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Cheap flights from Halifax to Seattle from C$ 224

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
25 Aug — 1 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Halifax to Seattle

Enter your travel dates to find the best prices.

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 26 July 2026.

Wed 12/89:50 a.m.
YHZ
-
SEA
2 stops15h 10m
WestJet
Tue 25/87:00 a.m.
SEA
-
YHZ
1 stop8h 10m
WestJet
Deal found 23/7C$ 310
Thu 20/83:35 p.m.
YHZ
-
SEA
1 stop9h 25m
WestJet
Thu 27/87:00 a.m.
SEA
-
YHZ
1 stop8h 10m
WestJet
Deal found 23/7C$ 314
Mon 17/84:40 p.m.
YHZ
-
SEA
2 stops21h 00m
WestJet
Fri 21/87:00 a.m.
SEA
-
YHZ
2 stops10h 05m
WestJet
Deal found 25/7C$ 344
Sat 22/87:45 a.m.
YHZ
-
SEA
1 stop15h 00m
WestJet
Sat 29/87:00 a.m.
SEA
-
YHZ
2 stops10h 05m
WestJet
Deal found 23/7C$ 352

Find 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 26 July 2026.

Round-trip from

C$ 310

One-way from

C$ 224

Popular in

January

Cheapest in

May

Average price

C$ 612
WestJet
  • WestJet
  • 12/8-25/8
  • 3 total stops
  • 23h 20m total
  • Halifax to Seattle
Search Deals
WestJet
  • WestJet
  • 1/9
  • 2 total stops
  • 21h 00m total
  • Halifax to Seattle
Search Deals
Highest demand for flights based on searches. 22% potential increase in price (C$ 273 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 39 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

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 26 July 2026.
Use the filters below to find and compare flights from Halifax to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Wed 12/8

4:40 p.m.-9:40 a.m.

2 stops21h 00m

Seattle/Tacoma Intl

Tue 25/8

7:00 a.m.-9:25 p.m.

2 stops10h 25m

C$ 355

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Sat 5/9

2:15 p.m.-10:20 p.m.

1 stop12h 05m

Seattle/Tacoma Intl

Fri 11/9

5:50 p.m.-1:25 p.m.

2 stops15h 35m

C$ 426

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Sat 5/9

2:50 p.m.-11:44 p.m.

1 stop12h 54m

Seattle/Tacoma Intl

Mon 14/9

10:58 p.m.-2:03 p.m.

1 stop11h 05m

C$ 427

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Sat 5/9

2:50 p.m.-10:01 a.m.

2 stops23h 11m

Seattle/Tacoma Intl

Fri 11/9

3:30 p.m.-2:03 p.m.

2 stops18h 33m

C$ 431

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Sat 12/9

4:10 p.m.-9:04 p.m.

1 stop8h 54m

Seattle/Tacoma Intl

Wed 16/9

8:00 a.m.-12:35 a.m.

2 stops12h 35m

C$ 451

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Mon 19/10

9:00 a.m.-9:04 p.m.

1 stop16h 04m

Seattle/Tacoma Intl

Mon 26/10

7:45 a.m.-10:38 p.m.

1 stop10h 53m

C$ 472
Quickest round-trip

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Thu 17/9

3:30 p.m.-10:05 p.m.

1 stop10h 35m

Seattle/Tacoma Intl

Mon 21/9

7:35 p.m.-8:10 a.m.

1 stop8h 35m

C$ 509

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Sat 5/9

3:30 p.m.-10:05 p.m.

1 stop10h 35m

Seattle/Tacoma Intl

Mon 14/9

6:00 a.m.-9:10 p.m.

1 stop11h 10m

C$ 516

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Thu 17/9

5:15 a.m.-9:36 p.m.

2 stops20h 21m

Seattle/Tacoma Intl

Mon 21/9

11:59 p.m.-11:55 p.m.

2 stops19h 56m

C$ 520
Cheapest one-way

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Tue 1/9

4:40 p.m.-9:40 a.m.

2 stops21h 00m

C$ 224

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/7

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

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

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

Currently, May is the cheapest month in which you can book a flight from Halifax to Seattle (average of C$ 475). Flying from Halifax to Seattle in January is currently the most expensive (average of C$ 944). 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.

How much does it cost to fly round-trip from Halifax to Seattle?

Airfare is below average for this route at the moment.

Halifax to Seattle flights typically cost between C$ 450 and C$ 603 in August.
The cheapest round-trip price found within the last 5 days was C$ 310 on WestJet (12 Aug-25 Aug).

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 26 July 2026.
Check out reviews from past customers who have flown with WestJet and Air Canada from Halifax to Seattle to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
WestJet
7.2
Good
3,415 reviews
Check prices

Food

6.2

Crew

7.9

Entertainment

6.1

Boarding

7.4

Overall

7.2

Comfort

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2024

YYZ - MCO

Friendly staff and thanks to the pilots who take care of us during the flights.
WestJet
7.2
Good
3,415 reviews
WestJet
7.2
Good
3,415 reviews
Check prices

Food

6.2

Crew

7.9

Entertainment

6.1

Boarding

7.4

Overall

7.2

Comfort

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2024

YYZ - MCO

Friendly staff and thanks to the pilots who take care of us during the flights.
Air Canada
7.1
Good
11,387 reviews
WestJet
7.2
Good
3,415 reviews
Check prices

Food

6.2

Crew

7.9

Entertainment

6.1

Boarding

7.4

Overall

7.2

Comfort

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2024

YYZ - MCO

Friendly staff and thanks to the pilots who take care of us during the flights.

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.

  • How long is the flight from Halifax to Seattle?

    Airlines like WestJet, Delta, and United Airlines fly from Halifax to Seattle in about 12h 05m. The time it takes to get you to your destination can typically vary by up to 8h 55m. The distance from Halifax to Seattle is about 4424 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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$ 251. Another option worth looking into is Air Canada, starting at C$ 501 round trip. WestJet is 61% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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, May is the cheapest month in which you can book a flight from Halifax to Seattle (average of C$ 475). Flying from Halifax to Seattle in January is currently the most expensive (average of C$ 944). 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 Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Kent
Leavenworth
Mukilteo
Tacoma
Renton
Cashmere
Lynnwood
Ellensburg
Tukwila
Olympia
Marysville
Federal Way
Kirkland

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 2 airlines flying from Halifax to Seattle

Discover the top 2 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 26 July 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 251AverageC$ 455FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 501AverageC$ 680FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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 Halifax to Seattle?

Cheapflights helps you search for flights from Halifax to Seattle via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

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.

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

Yes! Cheapflights helps users easily find flights from Halifax to Seattle with no change fees.

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

Of course! You can now track prices for flights from Halifax to Seattle and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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