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Cheap flights from Seattle to Halifax from C$ 208

SEA — YHZ
10 Oct — 17 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Seattle to Halifax

Enter your travel dates to find the best prices.

Cheapest flights from Seattle to Halifax

Sun 11/107:55 a.m. -
1 stop8h 09m
Tue 20/108:05 a.m. -
1 stop10h 17m
Deal found 5/9C$ 411
Sun 11/107:35 p.m. -
1 stop8h 35m
Tue 20/109:50 a.m. -
2 stops12h 55m
Deal found 6/9C$ 451
Thu 12/118:40 a.m. -
2 stops13h 18m
Sun 15/115:15 a.m. -
2 stops13h 22m
Deal found 9/9C$ 455
Thu 22/107:35 p.m. -
1 stop8h 35m
Sun 25/109:50 a.m. -
2 stops32h 50m
Deal found 5/9C$ 483
Fri 23/107:55 a.m. -
1 stop8h 09m
Wed 28/105:15 a.m. -
2 stops13h 22m
Deal found 8/9C$ 484
Thu 8/1010:30 a.m. -
1 stop26h 45m
Sun 11/107:45 a.m. -
1 stop29h 55m
Deal found 6/9C$ 492
Tue 20/107:00 a.m. -
1 stop12h 55m
Sat 24/107:00 a.m. -
1 stop19h 36m
Deal found 6/9C$ 499
Fri 9/107:35 p.m. -
1 stop8h 35m
Thu 15/103:35 p.m. -
1 stop31h 10m
Deal found 8/9C$ 503

Find flight deals from Seattle to Halifax

Round-trip from

C$ 411

One-way from

C$ 208

Popular in

December

Cheapest in

August

Average price

C$ 681
Air Canada
  • Air Canada
  • 11/10-20/10
  • 2 total stops
  • 18h 26m total
  • Seattle to Halifax
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WestJet
  • WestJet
  • 15/9-31/12
  • 1 total stop
  • 8h 35m total
  • Seattle to Halifax
Search Deals
Highest demand for flights based on searches. 39% potential increase in price (C$ 726 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease (C$ 83 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2026
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Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

SeattleHalifax

SEA Seattle/Tacoma Intl - YHZ Halifax Intl

SEAYHZ

Seattle/Tacoma Intl

Thu 22/10

7:55 a.m.-8:04 p.m.

1 stop8h 09m

Halifax Intl

Wed 31/12

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

Nonstop0h 00m

C$ 263

SeattleHalifax

SEA Seattle/Tacoma Intl - YHZ Halifax Intl

SEAYHZ

Seattle/Tacoma Intl

Tue 15/9

5:00 a.m.-11:55 p.m.

2 stops14h 55m

Halifax Intl

Wed 31/12

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

Nonstop0h 00m

C$ 263

SeattleHalifax

SEA Seattle/Tacoma Intl - YHZ Halifax Intl

SEAYHZ

Seattle/Tacoma Intl

Thu 22/10

6:05 p.m.-2:03 p.m.

2 stops15h 58m

Halifax Intl

Wed 31/12

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

Nonstop0h 00m

C$ 263

SeattleHalifax

SEA Seattle/Tacoma Intl - YHZ Halifax Intl

SEAYHZ

Seattle/Tacoma Intl

Thu 22/10

9:36 p.m.-9:05 p.m.

3 stops19h 29m

Halifax Intl

Wed 31/12

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

Nonstop0h 00m

C$ 385

SeattleHalifax

SEA Seattle/Tacoma Intl - YHZ Halifax Intl

SEAYHZ

Seattle/Tacoma Intl

Sun 11/10

7:55 a.m.-8:04 p.m.

1 stop8h 09m

Halifax Intl

Tue 20/10

8:05 a.m.-2:22 p.m.

1 stop10h 17m

C$ 411

SeattleHalifax

SEA Seattle/Tacoma Intl - YHZ Halifax Intl

SEAYHZ

Seattle/Tacoma Intl

Thu 12/11

8:40 a.m.-1:58 a.m.

2 stops13h 18m

Halifax Intl

Sun 15/11

5:15 a.m.-2:37 p.m.

2 stops13h 22m

C$ 455

SeattleHalifax

SEA Seattle/Tacoma Intl - YHZ Halifax Intl

SEAYHZ

Seattle/Tacoma Intl

Sun 11/10

7:35 p.m.-10:45 a.m.

2 stops11h 10m

Halifax Intl

Tue 20/10

9:50 a.m.-6:45 p.m.

2 stops12h 55m

C$ 487

SeattleHalifax

SEA Seattle/Tacoma Intl - YHZ Halifax Intl

SEAYHZ

Seattle/Tacoma Intl

Thu 22/10

7:35 p.m.-10:45 a.m.

2 stops11h 10m

Halifax Intl

Sun 25/10

9:50 a.m.-2:40 p.m.

2 stops32h 50m

C$ 498

SeattleHalifax

SEA Seattle/Tacoma Intl - YHZ Halifax Intl

SEAYHZ

Seattle/Tacoma Intl

Tue 20/10

7:00 a.m.-11:55 p.m.

1 stop12h 55m

Halifax Intl

Sat 24/10

7:00 a.m.-10:36 p.m.

1 stop19h 36m

C$ 499

SeattleHalifax

SEA Seattle/Tacoma Intl - YHZ Halifax Intl

SEAYHZ

Seattle/Tacoma Intl

Tue 20/10

5:50 a.m.-12:49 a.m.

2 stops14h 59m

Halifax Intl

Sat 24/10

4:15 p.m.-9:39 p.m.

1 stop9h 24m

C$ 509

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/9

Showing 1-10 of 11 resultsSorted by cheapest first
1
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Best time to book a flight from Seattle to Halifax

Have a flexible travel schedule? Discover the best time to fly to Halifax from Seattle with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Seattle to Halifax

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

The best time to book flights from Seattle to Halifax is 16 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Airfare is below average for this route at the moment.

Seattle to Halifax flights typically cost between C$ 602 and C$ 860 in October.
The cheapest round-trip price found within the last 5 days was C$ 411 on Air Canada (11 Oct-20 Oct).

Related info for your journey

  • How long is the flight from Seattle to Halifax?

    For as low as C$ 411, WestJet can have you in Halifax from Seattle in 8h 09m. Airlines will cover a distance of 4424 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle to Halifax by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Travelling to a place near Halifax?

Book flights to Halifax if you plan to visit one of these locations
Dartmouth
Truro
Enfield
Bridgewater
Lunenburg
Windsor
Mahone Bay

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Seattle to Halifax

Portland to Halifax flights
Spokane to Halifax flights
Portland to Sydney flights
Portland to Charlottetown flights

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When you search for this flight from Seattle to Halifax, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Cheapflights helps you find that perfect flight to Halifax from Seattle by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Need flexible booking options for your flight to Halifax from Seattle? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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