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Cheap flights from Halifax to Seattle from C$ 221

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 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
YHZ — SEA
20 Apr — 27 Apr1
1 adult

Cheapflights Tip: The best prices from Halifax Intl to Seattle/Tacoma Intl are usually found in October or September, booked 16 days in advance, depart on a Sunday or Monday and return on a Monday

Cheap flight deals from Halifax to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Halifax (YHZ) to Seattle (SEA). 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 15 April 2025.

Round-trip from

C$ 414

One-way from

C$ 235

Popular in

November

Cheapest in

October

Average price

C$ 590
WestJet
  • WestJet
  • 30/5-6/6
  • 3 total stops
  • 32h 28m total
  • Halifax to Seattle
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Air Canada
  • Air Canada
  • 13/5
  • 1 total stop
  • 9h 25m total
  • Halifax to Seattle
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Highest demand for flights based on searches. 8% potential increase in price (C$ 83 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 20 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Halifax to Seattle

Cheapest flights from Halifax to Seattle
Explore the most affordable flight options available from Halifax to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 April 2025.

Fri 30/58:05 p.m.YHZ - SEA
1 stop20h 53mWestJet
Fri 6/67:05 a.m.SEA - YHZ
2 stops11h 35mWestJet
Deal found 15/4C$ 414
Fri 30/55:45 a.m.YHZ - SEA
1 stop17h 52mAir Canada
Fri 6/611:40 a.m.SEA - YHZ
1 stop10h 29mAir Canada
Deal found 15/4C$ 476
Sun 22/65:15 a.m.YHZ - SEA
1 stop9h 36mUnited Airlines
Sat 28/610:46 p.m.SEA - YHZ
1 stop11h 17mUnited Airlines
Deal found 14/4C$ 606
Sun 20/42:50 p.m.YHZ - SEA
1 stop10h 20mMultiple Airlines
Sun 27/46:00 a.m.SEA - YHZ
2 stops25h 50mMultiple Airlines
Deal found 15/4C$ 973
Tue 2/98:30 a.m.YHZ - SEA
2 stops15h 57mDelta
Sat 13/95:45 a.m.SEA - YHZ
2 stops12h 54mDelta
Deal found 14/4C$ 982
Sun 22/63:20 p.m.YHZ - SEA
2 stops11h 35mAmerican Airlines
Fri 27/612:05 a.m.SEA - YHZ
2 stops10h 15mAmerican Airlines
Deal found 15/4C$ 1,224

Cheapflights Fare Finder

Customize your flight search to find flights from Halifax to Seattle 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 629,999 searches. Data last updated 15 April 2025.
Use the filters below to find and compare flights from Halifax to Seattle that are best for you.

Fly from

Halifax

Fly to

Seattle

Route

Depart

Return

Price

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Fri 30/5

8:05 p.m.-12:58 p.m.

1 stop20h 53m

Seattle/Tacoma Intl

Fri 6/6

7:05 a.m.-10:40 p.m.

2 stops11h 35m

C$ 414

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Fri 30/5

5:45 a.m.-7:37 p.m.

1 stop17h 52m

Seattle/Tacoma Intl

Fri 6/6

11:40 a.m.-2:09 a.m.

1 stop10h 29m

C$ 476

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Sun 22/6

5:15 a.m.-10:51 a.m.

1 stop9h 36m

Seattle/Tacoma Intl

Sat 28/6

10:46 p.m.-2:03 p.m.

1 stop11h 17m

C$ 606

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Tue 2/9

8:30 a.m.-8:27 p.m.

2 stops15h 57m

Seattle/Tacoma Intl

Sat 13/9

5:45 a.m.-10:39 p.m.

2 stops12h 54m

C$ 982

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Sun 22/6

3:20 p.m.-10:55 p.m.

2 stops11h 35m

Seattle/Tacoma Intl

Fri 27/6

12:05 a.m.-2:20 p.m.

2 stops10h 15m

C$ 1,224

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Mon 1/9

7:00 a.m.-12:33 p.m.

1 stop9h 33m

C$ 221

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Sun 31/8

5:20 a.m.-11:10 a.m.

1 stop9h 50m

C$ 232

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Tue 13/5

10:25 a.m.-9:31 p.m.

2 stops15h 06m

C$ 246

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Fri 23/5

11:00 p.m.-12:10 a.m.

3 stops29h 10m

C$ 300

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Thu 29/5

8:30 a.m.-4:44 p.m.

2 stops12h 14m

C$ 303

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/4

Best time to book a flight from Halifax to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Halifax 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 Halifax to Seattle

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

Use this chart to determine the optimal time to book a round-trip flight from Halifax to Seattle. Price data was last updated on 11 April 2025.

The price you pay for your flight from Halifax to Seattle may vary depending on when you book. For the best chance of a lower fare, look to book 16 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, January is the cheapest month in which you can book a flight from Halifax to Seattle (average of C$ 261). Flying from Halifax to Seattle in December is currently the most expensive (average of C$ 353). 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 YHZ to SEA?

Find hourly flight availability from Halifax to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 15 April 2025.

A simple way to save on the total cost of your ticket is to fly from Halifax to Seattle in the evening. If you’re flexible enough to do this you can expect to save up to 38% on your trip compared to booking a flight at noon.

Rainfall in Seattle by month

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

In terms of precipitation, rainfall in Seattle ranges from 18.0 - 168.0 mm per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit Seattle when rainfall is around 18.0 mm.

Temperature in Seattle by month

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

If weather is an important factor for your trip to Seattle, 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 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated 15 April 2025.
Delta
8.0
Very good
7,917 reviews
Check prices

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,917 reviews
Delta
8.0
Very good
7,917 reviews
Check prices

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,658 reviews
Delta
8.0
Very good
7,917 reviews
Check prices

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,917 reviews
Check prices

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
WestJet
7.2
Good
2,805 reviews
Delta
8.0
Very good
7,917 reviews
Check prices

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air Canada
7.0
Good
9,127 reviews
Delta
8.0
Very good
7,917 reviews
Check prices

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Halifax to Seattle. 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 Halifax to Seattle round-trip?

    Flying on WestJet is currently your cheapest option to Seattle, with prices starting at C$ 414. Additional round-trip tickets that might be worth considering are offered by Air Canada and United Airlines, with the lowest prices starting at C$ 476 and C$ 606, respectively. WestJet is 35% cheaper than the average price of flights available within the next 90 days to this destination.

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

    The cheapest airlines for a one-way flight from Halifax to Seattle are Air Canada (C$ 235), United Airlines (C$ 246), and WestJet (C$ 285).

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

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

  • How can I find direct flights from Halifax to Seattle?

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

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

    Yes. Cheapflights offers flight deals from Halifax to Seattle 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 Halifax to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Halifax to Seattle (average of C$ 261). Flying from Halifax to Seattle in December is currently the most expensive (average of C$ 353). 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

Travelling to a place near Halifax?

Book flights to Halifax if you plan to visit one of these locations
SeaTac
Tukwila
Marysville
Bothell
Leavenworth
Tacoma
Olympia
Lynnwood

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Halifax to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
St John to Portland flights

Top 3 airlines flying from Halifax to Seattle

Discover the top 3 airlines that operate flights from Halifax to Seattle. 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 629,999 searches. Data last updated 15 April 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 398AverageC$ 618FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 452AverageC$ 662FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 499AverageC$ 692FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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

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It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Halifax to Seattle.

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