What are the cheapest airlines flying from Seattle to Lisbon round-trip?

Currently priced at C$ 1,038, British Airways will fly you from Seattle to Lisbon and back. In addition to British Airways, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Scandinavian Airlines and United Airlines - these airlines can fly you to your destination from C$ 1,062 and C$ 1,121, respectively. These flights start at 26% lower than the current average price 3 months from now.

What are the cheapest airlines to fly from Seattle to Lisbon one-way?

The cheapest airlines for a one-way flight from Seattle to Lisbon are United Airlines (C$ 869), British Airways (C$ 888), and Delta (C$ 899).

What is the cheapest day to fly from Seattle to Lisbon?

Travelers seeking maximum savings on their Seattle to Lisbon flight should consider departing on Wednesday mornings when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

What is the cheapest day to fly round-trip from Seattle to Lisbon?

Leaving on a Friday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 30% on the overall cost on flights from Seattle to Lisbon.

How far in advance should I book a flight from Seattle to Lisbon?

Travellers have found it’s best to book a flight 10 days in advance to save up to 23% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 10 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Seattle to Lisbon 1-2 weeks in advance for as low as C$ 1,082, or C$ 1,647 for flights within the next 24 hours.

What is the cheapest month to fly from Seattle to Lisbon?

Flights from Seattle to Lisbon lean towards being more expensive in June. Prices are generally better when you fly from Seattle to Lisbon in January, with the cheapest ticket starting at C$ 858.

Can I find deals for flights from Seattle to Lisbon that include hotel bookings?

Yes. In addition to deals on Seattle to Lisbon flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Seattle to Lisbon?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Lisbon.

Can I find deals for business class flights from Seattle to Lisbon?

Yes. Cheapflights offers flight deals from Seattle to Lisbon by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

C$ 869+ Flights from Seattle to Lisbon

Cheap flight deals from Seattle to Lisbon

Round-trip from	C$ 1,038
One-way from	C$ 869
Popular in	June
Cheapest in	January
Average price	C$ 1,132

British Airways
11/5-17/5
2 total stops
45h 00m total
Seattle to Lisbon

Search Deals

United Airlines
14/7
2 total stops
26h 10m total
Seattle to Lisbon

Search Deals

Highest demand for flights based on searches. 16% potential increase in price (C$ 405 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (C$ 64 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in March 2025

Search Deals

Find flight deals from Seattle to Lisbon

Cheapest flights from Seattle to Lisbon
Explore the most affordable flight options available from Seattle to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 March 2025.

Fri 24/107:32 p.m.SEA - LIS

3 stops30h 48mUnited Airlines

Fri 14/1111:55 a.m.LIS - SEA

2 stops36h 43mUnited Airlines

Deal found 27/3C$ 1,011

Mon 13/1011:25 a.m.SEA - LIS

2 stops19h 25mDelta

Sat 1/115:30 a.m.LIS - SEA

2 stops21h 09mDelta

Deal found 28/3C$ 1,028

Tue 7/108:20 p.m.SEA - LIS

1 stop13h 35mBritish Airways

Tue 4/1111:10 a.m.LIS - SEA

1 stop18h 39mBritish Airways

Deal found 27/3C$ 1,036

Mon 1/94:00 p.m.SEA - LIS

2 stops22h 05mScandinavian Airlines

Wed 10/97:15 a.m.LIS - SEA

1 stop14h 35mScandinavian Airlines

Deal found 28/3C$ 1,062

Sat 13/122:35 p.m.SEA - LIS

1 stop21h 45mIcelandair

Sun 4/19:20 p.m.LIS - SEA

1 stop27h 40mIcelandair

Deal found 27/3C$ 1,108

Sat 29/37:30 a.m.SEA - LIS

1 stop19h 15mKLM

Sun 6/47:30 p.m.LIS - SEA

1 stop24h 15mKLM

Deal found 27/3C$ 1,123

Wed 24/94:20 p.m.SEA - LIS

2 stops19h 15mMultiple Airlines

Sat 4/107:15 a.m.LIS - SEA

2 stops23h 38mMultiple Airlines

Deal found 27/3C$ 1,156

Tue 29/43:24 p.m.SEA - LIS

2 stops23h 56mSWISS

Tue 13/55:55 a.m.LIS - SEA

2 stops20h 38mSWISS

Deal found 27/3C$ 1,171

Wed 30/46:50 p.m.SEA - LIS

1 stop19h 00mLufthansa

Fri 16/56:15 a.m.LIS - SEA

1 stop18h 44mLufthansa

Deal found 27/3C$ 1,173

Thu 31/712:30 p.m.SEA - LIS

1 stop19h 00mTurkish Airlines

Fri 22/811:10 a.m.LIS - SEA

1 stop31h 25mTurkish Airlines

Deal found 27/3C$ 1,318

Best flights from Seattle to Lisbon
Discover carefully curated flight deals from Seattle to Lisbon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 28 March 2025.

Sun 11/51:30 p.m.SEA - LIS

1 stop20h 25mBritish Airways

Sat 17/56:55 p.m.LIS - SEA

1 stop24h 35mBritish Airways

Deal found 26/3C$ 1,038

Mon 1/94:00 p.m.SEA - LIS

2 stops22h 05mScandinavian Airlines

Wed 10/97:15 a.m.LIS - SEA

1 stop14h 35mScandinavian Airlines

Deal found 28/3C$ 1,062

Wed 13/87:20 a.m.SEA - LIS

1 stop18h 00mUnited Airlines

Wed 20/811:25 a.m.LIS - SEA

2 stops32h 06mUnited Airlines

Deal found 27/3C$ 1,121

Wed 24/94:20 p.m.SEA - LIS

2 stops19h 15mMultiple Airlines

Sat 4/107:15 a.m.LIS - SEA

2 stops23h 38mMultiple Airlines

Deal found 27/3C$ 1,156

Tue 29/41:30 p.m.SEA - LIS

1 stop17h 20mDelta

Tue 6/55:00 a.m.LIS - SEA

1 stop14h 40mDelta

Deal found 27/3C$ 1,171

Wed 30/46:50 p.m.SEA - LIS

1 stop19h 00mLufthansa

Fri 16/56:15 a.m.LIS - SEA

1 stop18h 44mLufthansa

Deal found 27/3C$ 1,173

Tue 29/71:45 p.m.SEA - LIS

2 stops25h 35mSWISS

Mon 25/85:55 a.m.LIS - SEA

2 stops48h 33mSWISS

Deal found 28/3C$ 1,179

Wed 13/87:00 p.m.SEA - LIS

2 stops19h 10mIcelandair

Sun 24/810:20 p.m.LIS - SEA

1 stop21h 05mIcelandair

Deal found 28/3C$ 1,209

Thu 1/57:23 a.m.SEA - LIS

1 stop16h 37mKLM

Mon 12/53:35 p.m.LIS - SEA

1 stop32h 22mKLM

Deal found 27/3C$ 1,238

Thu 31/712:30 p.m.SEA - LIS

1 stop19h 00mTurkish Airlines

Fri 22/811:10 a.m.LIS - SEA

1 stop31h 25mTurkish Airlines

Deal found 27/3C$ 1,318

Last-minute flights from Seattle to Lisbon
Discover last-minute flight deals from Seattle to Lisbon. Data last updated 28 March 2025 and is based on user searches.

Sat 29/311:59 p.m.SEA - LIS

2 stops26h 31mUnited Airlines

Sun 6/411:25 a.m.LIS - SEA

2 stops41h 03mUnited Airlines

Deal found 27/3C$ 1,033

Sat 29/37:30 a.m.SEA - LIS

1 stop19h 15mKLM

Sun 6/47:30 p.m.LIS - SEA

1 stop24h 15mKLM

Deal found 27/3C$ 1,123

Wed 2/47:08 a.m.SEA - LIS

3 stops19h 22mUnited Airlines

Tue 8/410:25 a.m.LIS - SEA

2 stops18h 37mUnited Airlines

Deal found 27/3C$ 1,738

Mon 14/41:30 p.m.SEA - LIS

1 stop15h 15mBritish Airways

Mon 5/55:05 p.m.LIS - SEA

1 stop26h 05mBritish Airways

Deal found 27/3C$ 1,181

Tue 22/43:24 p.m.SEA - LIS

2 stops23h 56mSWISS

Fri 2/55:55 a.m.LIS - SEA

2 stops23h 36mSWISS

Deal found 27/3C$ 1,186

Fri 25/410:59 p.m.SEA - LIS

1 stop25h 01mVirgin Atlantic

Sun 11/510:00 a.m.LIS - SEA

1 stop20h 43mVirgin Atlantic

Deal found 27/3C$ 1,338

Mon 28/43:45 p.m.SEA - LIS

2 stops22h 00mIcelandair

Fri 9/57:05 a.m.LIS - SEA

2 stops21h 35mIcelandair

Deal found 27/3C$ 1,434

Tue 29/41:30 p.m.SEA - LIS

1 stop17h 20mDelta

Tue 6/55:00 a.m.LIS - SEA

1 stop14h 40mDelta

Deal found 27/3C$ 1,171

Wed 30/46:50 p.m.SEA - LIS

1 stop19h 00mLufthansa

Fri 16/56:15 a.m.LIS - SEA

1 stop18h 44mLufthansa

Deal found 27/3C$ 1,173

One-way flights from Seattle to Lisbon
Search for one-way flight options from Seattle to Lisbon. Find affordable one-way fares based on user searches. Data last updated 28 March 2025.

Mon 14/712:20 a.m.SEA - LIS

2 stops26h 10mUnited Airlines

Deal found 27/3C$ 869

Sun 17/88:20 p.m.SEA - LIS

1 stop29h 45mBritish Airways

Deal found 27/3C$ 888

Sat 19/710:55 p.m.SEA - LIS

1 stop25h 05mDelta

Deal found 27/3C$ 899

Wed 10/97:00 p.m.SEA - LIS

1 stop18h 20mIcelandair

Deal found 27/3C$ 908

Thu 10/47:10 a.m.SEA - LIS

1 stop16h 50mKLM

Deal found 28/3C$ 955

Thu 21/87:35 p.m.SEA - LIS

2 stops35h 15mWestJet

Deal found 27/3C$ 1,083

Tue 10/67:20 a.m.SEA - LIS

2 stops23h 55mAir Europa

Deal found 27/3C$ 1,122

Mon 8/97:10 p.m.SEA - LIS

1 stop30h 45mTurkish Airlines

Deal found 27/3C$ 1,126

Sat 31/52:55 p.m.SEA - LIS

2 stops34h 25mLufthansa

Deal found 27/3C$ 1,212

Sat 10/512:24 a.m.SEA - LIS

1 stop21h 26mMultiple Airlines

Deal found 27/3C$ 2,060

Cheapflights Fare Finder

Use the filters below to find and compare flights from Seattle to Lisbon that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Sun 11/5

1:30 p.m.-5:55 p.m.

1 stop20h 25m

Lisbon Humberto Delgado

Sat 17/5

6:55 p.m.-11:30 a.m.

1 stop24h 35m

C$ 1,038

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Mon 1/9

4:00 p.m.-10:05 p.m.

2 stops22h 05m

Lisbon Humberto Delgado

Wed 10/9

7:15 a.m.-1:50 p.m.

1 stop14h 35m

C$ 1,062

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Wed 13/8

7:20 a.m.-9:20 a.m.

1 stop18h 00m

Lisbon Humberto Delgado

Wed 20/8

11:25 a.m.-11:31 a.m.

2 stops32h 06m

C$ 1,121

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Wed 24/9

4:20 p.m.-7:35 p.m.

2 stops19h 15m

Lisbon Humberto Delgado

Sat 4/10

7:15 a.m.-10:53 p.m.

2 stops23h 38m

C$ 1,156

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Tue 29/4

1:30 p.m.-2:50 p.m.

1 stop17h 20m

Lisbon Humberto Delgado

Wed 14/5

11:40 a.m.-3:57 p.m.

1 stop36h 17m

C$ 1,171

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Wed 30/4

6:50 p.m.-9:50 p.m.

1 stop19h 00m

Lisbon Humberto Delgado

Fri 16/5

6:15 a.m.-4:59 p.m.

1 stop18h 44m

C$ 1,173

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Tue 29/7

1:45 p.m.-11:20 p.m.

2 stops25h 35m

Lisbon Humberto Delgado

Mon 25/8

5:55 a.m.-10:28 p.m.

2 stops48h 33m

C$ 1,179

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Wed 13/8

7:00 p.m.-10:10 p.m.

2 stops19h 10m

Lisbon Humberto Delgado

Sun 24/8

10:20 p.m.-11:25 a.m.

1 stop21h 05m

C$ 1,209

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Thu 1/5

7:23 a.m.-8:00 a.m.

1 stop16h 37m

Lisbon Humberto Delgado

Mon 12/5

3:35 p.m.-3:57 p.m.

1 stop32h 22m

C$ 1,238

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Thu 31/7

12:30 p.m.-3:30 p.m.

1 stop19h 00m

Lisbon Humberto Delgado

Fri 22/8

11:10 a.m.-10:35 a.m.

1 stop31h 25m

C$ 1,318

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/3

Showing 1-10 of 20 results

Best time to book a flight from Seattle to Lisbon

Have a flexible travel schedule? Discover the best time to fly to Lisbon from Seattle with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Lisbon

How far ahead should I book a flight from Seattle to Lisbon?

Booking 67 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Lisbon. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Seattle to Lisbon?

Currently, January is the cheapest month in which you can book a flight from Seattle to Lisbon (average of C$ 482). Flying from Seattle to Lisbon in July is currently the most expensive (average of C$ 803). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SEA to LIS?

When flying from Seattle to Lisbon, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 6% versus a flight at noon.

Rainfall in Lisbon by month

In terms of precipitation, rainfall in Lisbon ranges from 6.0 - 122.0 mm per month. December is typically the wettest month, when rainfall can reach 122.0 mm. July is typically the driest time to visit Lisbon when rainfall is around 6.0 mm.

Temperature in Lisbon by month

If weather is an important factor for your trip to Lisbon, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

Reviews of airlines servicing Lisbon

Delta

8.0

Very good

7,897 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

7,897 reviews

Delta

8.0

Very good

7,897 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM

7.8

Good

1,321 reviews

Delta

8.0

Very good

7,897 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

SWISS

7.5

Good

1,570 reviews

Delta

8.0

Very good

7,897 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

8,603 reviews

Delta

8.0

Very good

7,897 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Turkish Airlines

7.3

Good

3,744 reviews

Delta

8.0

Very good

7,897 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What are the cheapest airlines flying from Seattle to Lisbon round-trip?
Currently priced at C$ 1,038, British Airways will fly you from Seattle to Lisbon and back. In addition to British Airways, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Scandinavian Airlines and United Airlines - these airlines can fly you to your destination from C$ 1,062 and C$ 1,121, respectively. These flights start at 26% lower than the current average price 3 months from now.
What are the cheapest airlines to fly from Seattle to Lisbon one-way?
The cheapest airlines for a one-way flight from Seattle to Lisbon are United Airlines (C$ 869), British Airways (C$ 888), and Delta (C$ 899).
Can I find deals for flights from Seattle to Lisbon that include hotel bookings?
Yes. In addition to deals on Seattle to Lisbon flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Seattle to Lisbon?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Lisbon.
Can I find deals for business class flights from Seattle to Lisbon?
Yes. Cheapflights offers flight deals from Seattle to Lisbon by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Seattle to Lisbon?
Currently, January is the cheapest month in which you can book a flight from Seattle to Lisbon (average of C$ 482). Flying from Seattle to Lisbon in July is currently the most expensive (average of C$ 803). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Sintra

Setúbal

Óbidos

Beja

Costa da Caparica

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Complete your trip

Lisbon car rentals

Lisbon Humberto Delgado Airport car rentals

Porto car rentals

Ponta Delgada car rentals

Faro car rentals

Funchal car rentals

Albufeira car rentals

Portimão car rentals

Horta car rentals

Angra do Heroísmo car rentals

Baixa car rentals

Alfama car rentals

Other flights to Lisbon

Top 2 airlines flying from Seattle to Lisbon

Airline	Cheapest	Average	Flexibility	On-time
British Airways	CheapestC$ 972	AverageC$ 1,349	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Turkish Airlines	CheapestC$ 1,094	AverageC$ 1,257	FlexibilityNo cancel fee	On-time77%	Search Turkish Airlines flights

Fly with Cheapflights

How does Cheapflights help users find flights from Seattle to Lisbon?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Lisbon from Seattle today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Seattle to Lisbon?

Cheapflights simply makes it quick and affordable to book flights from Seattle to Lisbon by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Seattle to Lisbon with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Seattle to Lisbon flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Seattle to Lisbon become cheaper?

Yes, Cheapflights offers price alerts on Seattle to Lisbon flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Seattle to Lisbon from C$ 869

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14/7. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Seattle to Lisbon

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Seattle to Lisbon

Cheapest flights from Seattle to LisbonExplore the most affordable flight options available from Seattle to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 March 2025.

Explore the most affordable flight options available from Seattle to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 March 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Seattle to Lisbon that are best for you.

Best time to book a flight from Seattle to Lisbon

Have a flexible travel schedule? Discover the best time to fly to Lisbon from Seattle with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Lisbon

How far ahead should I book a flight from Seattle to Lisbon?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Lisbon. Price data was last updated on 21 March 2025.

What is the cheapest month to book a flight from Seattle to Lisbon?

What is the cheapest time of day to fly from SEA to LIS?

Find hourly flight availability from Seattle to Lisbon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 28 March 2025.

Rainfall in Lisbon by month

Plan your trip to Lisbon by taking into account the average rainfall totals by month.

Temperature in Lisbon by month

Plan your trip to Lisbon by taking into account the average temperature totals by month.

Reviews of airlines servicing Lisbon

Get insights into the airlines that provide service to Lisbon. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Lisbon. Reviews last updated 28 March 2025.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Lisbon. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines flying from Seattle to Lisbon round-trip?

What are the cheapest airlines to fly from Seattle to Lisbon one-way?

Can I find deals for flights from Seattle to Lisbon that include hotel bookings?

How can I find direct flights from Seattle to Lisbon?

Can I find deals for business class flights from Seattle to Lisbon?

What is the cheapest month to book a flight from Seattle to Lisbon?

Travelling to a place near Seattle?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Complete your trip

Complete your trip to Lisbon by adding a car rental and/or hotel reservation to your travel itinerary.

Top 2 airlines flying from Seattle to Lisbon

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Seattle to Lisbon?

Why should you use Cheapflights to find cheap flight tickets from Seattle to Lisbon?

Can Cheapflights find flights from Seattle to Lisbon with no change fees?

Can Cheapflights notify me if prices for flights from Seattle to Lisbon become cheaper?

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Cheapest flights from Seattle to Lisbon
Explore the most affordable flight options available from Seattle to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 March 2025.