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Cheap flights from Halifax to Seattle from C$ 304

YHZ — SEA
5 Dec — 12 Dec1
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

Wed 9/126:30 a.m. -
1 stop11h 10m
Fri 11/122:30 p.m. -
2 stops10h 35m
Deal found 1/11C$ 391
Wed 18/116:30 a.m. -
1 stop11h 10m
Fri 11/122:30 p.m. -
2 stops10h 35m
Deal found 31/10C$ 392
Sun 22/116:30 a.m. -
1 stop11h 10m
Thu 10/122:30 p.m. -
1 stop26h 40m
Deal found 1/11C$ 422
Thu 19/115:10 a.m. -
2 stops13h 27m
Sat 12/127:45 a.m. -
1 stop10h 53m
Deal found 31/10C$ 436
Wed 18/116:30 a.m. -
1 stop11h 10m
Thu 10/122:30 p.m. -
1 stop11h 10m
Deal found 31/10C$ 438
Thu 19/115:10 a.m. -
2 stops13h 27m
Wed 9/127:05 p.m. -
2 stops12h 08m
Deal found 31/10C$ 444
Sat 21/117:05 a.m. -
1 stop17h 54m
Tue 8/127:45 a.m. -
1 stop8h 23m
Deal found 31/10C$ 451
Sat 21/117:15 a.m. -
2 stops17h 44m
Wed 9/127:05 p.m. -
2 stops13h 58m
Deal found 31/10C$ 465

Find flight deals from Halifax to Seattle

Round-trip from

C$ 391

One-way from

C$ 304

Popular in

January

Cheapest in

August

Average price

C$ 521
WestJet
  • WestJet
  • 9/12-11/12
  • 3 total stops
  • 21h 45m total
  • Halifax to Seattle
Search Deals
Delta
  • Delta
  • 13/12-31/12
  • 1 total stop
  • 11h 10m total
  • Halifax to Seattle
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (C$ 172 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (C$ 48 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2026
Search Deals

Cheapflights Fare Finder

 
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
Quickest round-trip

HalifaxSeattle

YHZ Halifax Intl - SEA Seattle/Tacoma Intl

YHZSEA

Halifax Intl

Sun 13/12

6:30 a.m.-1:40 p.m.

1 stop11h 10m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-4:00 a.m.

Nonstop0h 00m

C$ 304

HalifaxSeattle

YHZ Halifax Intl - SEA Seattle/Tacoma Intl

YHZSEA

Halifax Intl

Wed 16/12

10:15 a.m.-9:49 a.m.

2 stops27h 34m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-4:00 a.m.

Nonstop0h 00m

C$ 309

HalifaxSeattle

YHZ Halifax Intl - SEA Seattle/Tacoma Intl

YHZSEA

Halifax Intl

Wed 30/12

6:00 a.m.-1:40 p.m.

2 stops35h 40m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-4:00 a.m.

Nonstop0h 00m

C$ 317

HalifaxSeattle

YHZ Halifax Intl - SEA Seattle/Tacoma Intl

YHZSEA

Halifax Intl

Fri 18/12

6:00 a.m.-6:43 p.m.

2 stops16h 43m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-4:00 a.m.

Nonstop0h 00m

C$ 324

HalifaxSeattle

YHZ Halifax Intl - SEA Seattle/Tacoma Intl

YHZSEA

Halifax Intl

Sun 13/12

5:00 a.m.-8:47 p.m.

2 stops19h 47m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-4:00 a.m.

Nonstop0h 00m

C$ 324

HalifaxSeattle

YHZ Halifax Intl - SEA Seattle/Tacoma Intl

YHZSEA

Halifax Intl

Wed 30/12

6:30 a.m.-1:40 p.m.

1 stop11h 10m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-4:00 a.m.

Nonstop0h 00m

C$ 363

HalifaxSeattle

YHZ Halifax Intl - SEA Seattle/Tacoma Intl

YHZSEA

Halifax Intl

Tue 16/3

1:49 p.m.-1:04 p.m.

2 stops27h 15m

Seattle/Tacoma Intl

Tue 23/3

7:03 a.m.-1:08 p.m.

2 stops26h 05m

C$ 420

HalifaxSeattle

YHZ Halifax Intl - SEA Seattle/Tacoma Intl

YHZSEA

Halifax Intl

Mon 23/11

7:15 a.m.-8:59 p.m.

2 stops17h 44m

Seattle/Tacoma Intl

Thu 26/11

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

1 stop10h 53m

C$ 529

HalifaxSeattle

YHZ Halifax Intl - SEA Seattle/Tacoma Intl

YHZSEA

Halifax Intl

Mon 23/11

5:00 a.m.-7:03 p.m.

2 stops18h 03m

Seattle/Tacoma Intl

Thu 10/12

11:25 p.m.-1:24 p.m.

1 stop9h 59m

C$ 536

HalifaxSeattle

YHZ Halifax Intl - SEA Seattle/Tacoma Intl

YHZSEA

Halifax Intl

Wed 9/12

6:00 a.m.-4:18 p.m.

2 stops14h 18m

Seattle/Tacoma Intl

Fri 11/12

4:04 p.m.-3:58 p.m.

2 stops19h 54m

C$ 536

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/11

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

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, August is the cheapest month in which you can book a flight from Halifax to Seattle (average of C$ 388). Flying from Halifax to Seattle in January is currently the most expensive (average of C$ 936). 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.

Reviews of airlines servicing Seattle

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
3,441 reviews
Check prices

Entertainment

6.1

Boarding

7.4

Crew

7.9

Overall

7.2

Comfort

7.1

Food

6.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2026

YHZ - DTW

Better snacks I also flew Delta much better with movies and entertainment
WestJet
7.2
Good
3,441 reviews
WestJet
7.2
Good
3,441 reviews
Check prices

Entertainment

6.1

Boarding

7.4

Crew

7.9

Overall

7.2

Comfort

7.1

Food

6.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2026

YHZ - DTW

Better snacks I also flew Delta much better with movies and entertainment
Air Canada
7.1
Good
11,861 reviews
WestJet
7.2
Good
3,441 reviews
Check prices

Entertainment

6.1

Boarding

7.4

Crew

7.9

Overall

7.2

Comfort

7.1

Food

6.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2026

YHZ - DTW

Better snacks I also flew Delta much better with movies and entertainment

Related info for your journey

  • How long is the flight from Halifax to Seattle?

    Airlines like United Airlines and Air Canada fly from Halifax to Seattle in about 17h 44m. The time it takes to get you to your destination can typically vary by up to 9h 31m. 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$ 249. Another option worth looking into is Air Canada, starting at C$ 497 round trip. WestJet is 56% 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, August is the cheapest month in which you can book a flight from Halifax to Seattle (average of C$ 388). Flying from Halifax to Seattle in January is currently the most expensive (average of C$ 936). 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
Tukwila
Mukilteo
Ellensburg
Renton
Lynnwood
Cashmere
Tacoma
Marysville
Federal Way
Kirkland
Leavenworth

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Halifax to Seattle

St John to Portland flights

Top 2 airlines flying from Halifax to Seattle

AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 249AverageC$ 484FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 497AverageC$ 600FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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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.

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