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Cheap flights from Seattle to Lisbon from C$ 637

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 1/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LIS
26 Nov — 3 Dec1
1 adult

Find flights from Seattle to Lisbon within your budget

Customize your flight search to find flights from Seattle to Lisbon that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 640,016 searches. Data last updated 21 November 2024.

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Depart

Return

Price

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Sun 19/1

6:05 a.m.-9:20 a.m.

1 stop19h 15m

Lisbon Humberto Delgado

Sun 26/1

11:00 a.m.-10:53 p.m.

2 stops43h 53m

C$ 912

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Sat 25/1

6:50 p.m.-5:55 p.m.

1 stop15h 05m

Lisbon Humberto Delgado

Tue 4/2

6:30 a.m.-11:26 p.m.

2 stops24h 56m

C$ 920

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Sat 1/2

1:45 p.m.-12:10 p.m.

1 stop14h 25m

Lisbon Humberto Delgado

Mon 10/2

4:10 p.m.-8:04 p.m.

2 stops35h 54m

C$ 923

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Fri 14/2

3:10 p.m.-1:20 p.m.

1 stop14h 10m

Lisbon Humberto Delgado

Thu 20/2

5:00 a.m.-6:25 p.m.

2 stops21h 25m

C$ 929

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Sat 1/2

1:45 p.m.-12:10 p.m.

1 stop14h 25m

Lisbon Humberto Delgado

Thu 13/2

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

1 stop19h 15m

C$ 933

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Thu 23/1

7:10 a.m.-8:00 a.m.

1 stop16h 50m

Lisbon Humberto Delgado

Mon 27/1

3:25 p.m.-11:50 a.m.

1 stop28h 25m

C$ 961

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Sun 16/3

3:35 p.m.-8:20 p.m.

1 stop21h 45m

Lisbon Humberto Delgado

Thu 20/3

4:05 p.m.-6:00 p.m.

2 stops32h 55m

C$ 1,153

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Thu 27/2

6:00 a.m.-8:55 a.m.

2 stops18h 55m

Lisbon Humberto Delgado

Sun 30/3

6:50 p.m.-7:33 p.m.

2 stops32h 43m

C$ 1,202

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Thu 20/3

7:20 a.m.-8:55 a.m.

1 stop18h 35m

Lisbon Humberto Delgado

Mon 31/3

9:40 a.m.-11:05 p.m.

2 stops21h 25m

C$ 1,234

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Sun 2/2

7:00 p.m.-3:00 p.m.

1 stop36h 00m

Lisbon Humberto Delgado

Sat 8/2

11:35 a.m.-5:05 p.m.

1 stop37h 30m

C$ 1,320

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/11

Showing 1-10 of 13 results
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Cheap flight deals from Seattle to Lisbon

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Lisbon (LIS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 21 November 2024.

Round-trip from

C$ 912

One-way from

C$ 637

Popular in

June

Cheapest in

January
United Airlines
  • United Airlines
  • 19/1-26/1
  • 3 total stops
  • 63h 08m total
  • Seattle to Lisbon
Search Deals
United Airlines
  • United Airlines
  • 1/1
  • 2 total stops
  • 19h 00m total
  • Seattle to Lisbon
Search Deals
High demand for flights, 28% potential price rise
Search Deals
Best time to find cheap flights, 32% potential price drop
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 21 November 2024.

Wed 11/129:00 a.m.SEA - LIS
1 stop13h 55mBritish Airways
Tue 28/16:30 a.m.LIS - SEA
2 stops22h 51mBritish Airways
Deal found 21/11C$ 1,226
Fri 6/126:50 p.m.SEA - LIS
1 stop15h 05mMultiple Airlines
Sun 15/127:45 a.m.LIS - SEA
2 stops22h 53mMultiple Airlines
Deal found 20/11C$ 1,360
Mon 9/127:00 p.m.SEA - LIS
1 stop31h 35mTurkish Airlines
Tue 17/124:00 p.m.LIS - SEA
1 stop33h 05mTurkish Airlines
Deal found 21/11C$ 1,363
Sun 8/122:35 p.m.SEA - LIS
1 stop21h 45mIcelandair
Thu 12/127:10 a.m.LIS - SEA
2 stops17h 50mIcelandair
Deal found 20/11C$ 1,384
Fri 6/127:15 a.m.SEA - LIS
1 stop16h 45mKLM
Sat 14/129:45 a.m.LIS - SEA
1 stop34h 07mKLM
Deal found 20/11C$ 1,396
Thu 5/125:30 a.m.SEA - LIS
2 stops18h 30mDelta
Thu 12/125:00 a.m.LIS - SEA
1 stop14h 52mDelta
Deal found 20/11C$ 1,402
Mon 9/127:00 a.m.SEA - LIS
2 stops17h 10mUnited Airlines
Wed 18/1211:00 a.m.LIS - SEA
1 stop18h 20mUnited Airlines
Deal found 21/11C$ 1,406
Tue 10/127:20 a.m.SEA - LIS
2 stops23h 25mFinnair
Sun 15/127:45 a.m.LIS - SEA
2 stops22h 53mFinnair
Deal found 21/11C$ 1,518
Sat 14/122:00 p.m.SEA - LIS
1 stop17h 05mLufthansa
Fri 20/125:00 a.m.LIS - SEA
1 stop15h 10mLufthansa
Deal found 21/11C$ 2,086
Fri 13/127:30 p.m.SEA - LIS
2 stops18h 55mAir France
Thu 2/15:30 a.m.LIS - SEA
2 stops36h 42mAir France
Deal found 21/11C$ 3,047
Thu 19/125:45 a.m.SEA - LIS
2 stops19h 35mAir Canada
Wed 1/16:10 a.m.LIS - SEA
2 stops23h 20mAir Canada
Deal found 21/11C$ 3,050

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.

Travel insights for flights from Seattle to Lisbon

Get recent, data-driven insights about flights from Seattle to Lisbon including ideal travel times, pricing trends, and more.

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 15 November 2024.

Booking 14 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, December is the cheapest month in which you can book a flight from Seattle to Lisbon (average of C$ 465). 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?

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 21 November 2024.

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 27% versus a flight at noon.

Rainfall in Lisbon by month

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

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

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 21 November 2024.
See what other customers who have flown with United Airlines and Icelandair from Seattle to Lisbon have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,755 reviews
Check prices

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 10

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

Delta
8.0
Very good
8,755 reviews
Delta
8.0
Very good
8,755 reviews
Check prices

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 10

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

KLM
7.8
Good
1,349 reviews
Delta
8.0
Very good
8,755 reviews
Check prices

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 10

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

Finnair
7.7
Good
1,300 reviews
Delta
8.0
Very good
8,755 reviews
Check prices

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 10

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

Cathay Pacific
7.6
Good
878 reviews
Delta
8.0
Very good
8,755 reviews
Check prices

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 10

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

Air France
7.4
Good
1,525 reviews
Delta
8.0
Very good
8,755 reviews
Check prices

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 10

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

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?

    Currently priced at C$ 912, United Airlines will fly you from Seattle to Lisbon and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Finnair and Lufthansa - these airlines can fly you to your destination from C$ 920 and C$ 929, respectively. These flights start at 35% lower than the current average price 3 months from now.

  • 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, December is the cheapest month in which you can book a flight from Seattle to Lisbon (average of C$ 465). 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

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.

Top airline flying from Seattle to Lisbon

Discover the top airline that operate flights from Seattle to Lisbon. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 640,016 searches. Data last updated 21 November 2024.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapestC$ 962AverageC$ 1,318FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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

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

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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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