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Cheap flights from Halifax to Seattle from C$ 271

YHZ — SEA
24 Oct — 31 Oct1
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

Tue 20/107:00 a.m. -
1 stop18h 55m
Tue 27/1012:20 p.m. -
3 stops21h 04m
Deal found 22/9C$ 479
Sat 14/112:10 p.m. -
1 stop12h 01m
Sun 22/116:00 a.m. -
2 stops27h 24m
Deal found 23/9C$ 493
Sat 31/105:15 a.m. -
2 stops13h 22m
Mon 9/1110:10 a.m. -
2 stops10h 05m
Deal found 23/9C$ 495
Sat 14/112:10 p.m. -
1 stop12h 01m
Sat 28/118:40 a.m. -
2 stops11h 35m
Deal found 22/9C$ 497
Sat 31/105:15 a.m. -
2 stops13h 22m
Sun 8/117:05 p.m. -
2 stops14h 08m
Deal found 23/9C$ 502
Wed 11/116:05 a.m. -
2 stops12h 32m
Mon 16/117:05 p.m. -
2 stops12h 08m
Deal found 21/9C$ 503
Sat 14/112:10 p.m. -
1 stop12h 01m
Wed 25/118:40 a.m. -
2 stops11h 35m
Deal found 19/9C$ 504
Tue 3/112:10 p.m. -
2 stops23h 37m
Tue 10/1112:20 p.m. -
3 stops21h 04m
Deal found 19/9C$ 506
Sat 14/1111:30 a.m. -
2 stops13h 29m
Fri 27/1110:10 a.m. -
2 stops10h 05m
Deal found 19/9C$ 507
Mon 21/125:00 a.m. -
1 stop19h 59m
Tue 12/17:45 a.m. -
1 stop8h 23m
Deal found 20/9C$ 509
Tue 20/108:05 p.m. -
2 stops18h 00m
Sat 24/105:50 a.m. -
2 stops10h 30m
Deal found 19/9C$ 510
Sat 14/112:10 p.m. -
1 stop12h 01m
Thu 26/117:05 p.m. -
2 stops14h 08m
Deal found 19/9C$ 511

Find flight deals from Halifax to Seattle

Round-trip from

C$ 479

One-way from

C$ 271

Popular in

January

Cheapest in

August

Average price

C$ 580
United Airlines
  • United Airlines
  • 20/10-27/10
  • 3 total stops
  • 35h 40m total
  • Halifax to Seattle
Search Deals
United Airlines
  • United Airlines
  • 24/10-31/12
  • 1 total stop
  • 15h 19m total
  • Halifax to Seattle
Search Deals
Highest demand for flights based on searches. 22% potential increase in price (C$ 253 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 42 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 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

HalifaxSeattle

YHZ Halifax Intl - SEA Seattle/Tacoma Intl

YHZSEA

Halifax Intl

Sat 24/10

7:00 a.m.-6:19 p.m.

1 stop15h 19m

Seattle/Tacoma Intl

Wed 31/12

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

Nonstop0h 00m

C$ 271

HalifaxSeattle

YHZ Halifax Intl - SEA Seattle/Tacoma Intl

YHZSEA

Halifax Intl

Tue 20/10

7:00 a.m.-9:55 p.m.

1 stop18h 55m

Seattle/Tacoma Intl

Wed 31/12

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

Nonstop0h 00m

C$ 271

HalifaxSeattle

YHZ Halifax Intl - SEA Seattle/Tacoma Intl

YHZSEA

Halifax Intl

Tue 20/10

5:35 p.m.-9:40 a.m.

3 stops20h 05m

Seattle/Tacoma Intl

Wed 31/12

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

Nonstop0h 00m

C$ 310
Quickest round-trip

HalifaxSeattle

YHZ Halifax Intl - SEA Seattle/Tacoma Intl

YHZSEA

Halifax Intl

Sat 27/2

10:30 a.m.-8:59 p.m.

1 stop14h 29m

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

Sat 27/2

6:15 a.m.-1:40 p.m.

2 stops35h 25m

Seattle/Tacoma Intl

Wed 31/12

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

Nonstop0h 00m

C$ 351

HalifaxSeattle

YHZ Halifax Intl - SEA Seattle/Tacoma Intl

YHZSEA

Halifax Intl

Sat 27/2

6:15 a.m.-11:02 p.m.

3 stops20h 47m

Seattle/Tacoma Intl

Wed 31/12

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

Nonstop0h 00m

C$ 442

HalifaxSeattle

YHZ Halifax Intl - SEA Seattle/Tacoma Intl

YHZSEA

Halifax Intl

Tue 20/10

7:00 a.m.-9:55 p.m.

1 stop18h 55m

Seattle/Tacoma Intl

Tue 27/10

4:39 p.m.-1:24 p.m.

2 stops16h 45m

C$ 479

HalifaxSeattle

YHZ Halifax Intl - SEA Seattle/Tacoma Intl

YHZSEA

Halifax Intl

Sat 14/11

2:10 p.m.-10:11 p.m.

1 stop12h 01m

Seattle/Tacoma Intl

Sun 22/11

6:00 a.m.-1:24 p.m.

2 stops27h 24m

C$ 493

HalifaxSeattle

YHZ Halifax Intl - SEA Seattle/Tacoma Intl

YHZSEA

Halifax Intl

Tue 3/11

2:10 p.m.-9:47 a.m.

2 stops23h 37m

Seattle/Tacoma Intl

Tue 10/11

12:20 p.m.-1:24 p.m.

3 stops21h 04m

C$ 506

HalifaxSeattle

YHZ Halifax Intl - SEA Seattle/Tacoma Intl

YHZSEA

Halifax Intl

Sat 14/11

2:10 p.m.-10:11 p.m.

1 stop12h 01m

Seattle/Tacoma Intl

Thu 26/11

7:05 p.m.-1:13 p.m.

2 stops14h 08m

C$ 511

Flights are sorted by cheapest round-trip flights first.

Deals found on 23/9

Showing 1-10 of 14 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$ 392). 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$ 522 and C$ 915 in October.
The cheapest round-trip price found within the last 5 days was C$ 479 on United Airlines (20 Oct-27 Oct).

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
3,448 reviews
Check prices

Overall

7.2

Boarding

7.4

Crew

7.9

Entertainment

6.1

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
3,448 reviews
WestJet
7.2
Good
3,448 reviews
Check prices

Overall

7.2

Boarding

7.4

Crew

7.9

Entertainment

6.1

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
11,676 reviews
WestJet
7.2
Good
3,448 reviews
Check prices

Overall

7.2

Boarding

7.4

Crew

7.9

Entertainment

6.1

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 fly from Halifax to Seattle in about 18h 55m. The time it takes to get you to your destination can typically vary by up to . The distance from Halifax to Seattle is about 4424 km.

  • 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 60% 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$ 392). 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
Mukilteo
Leavenworth
Renton
Lynnwood
Cashmere
Ellensburg
Tukwila
Tacoma
Marysville
Federal Way
Kirkland

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$ 251AverageC$ 454FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 501AverageC$ 680FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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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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