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Cheap flights from Seattle to Halifax from C$ 211

SEA — YHZ
26 Sep — 3 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

Wed 16/97:35 p.m. -
2 stops11h 10m
Thu 29/107:30 a.m. -
1 stop11h 10m
Deal found 24/8C$ 458
Mon 21/97:35 p.m. -
1 stop8h 35m
Mon 28/96:15 p.m. -
1 stop19h 25m
Deal found 25/8C$ 481
Sat 3/108:00 a.m. -
1 stop8h 04m
Wed 14/102:05 p.m. -
1 stop10h 59m
Deal found 24/8C$ 490
Sat 10/105:50 a.m. -
2 stops10h 39m
Sat 17/101:35 p.m. -
2 stops11h 59m
Deal found 26/8C$ 492
Sat 19/97:35 p.m. -
1 stop8h 35m
Sat 26/97:45 a.m. -
1 stop29h 55m
Deal found 23/8C$ 495
Tue 20/107:00 a.m. -
1 stop12h 55m
Sat 24/107:00 a.m. -
1 stop19h 36m
Deal found 26/8C$ 508
Fri 11/97:35 p.m. -
1 stop8h 35m
Mon 21/94:40 p.m. -
2 stops30h 05m
Deal found 25/8C$ 512

Find flight deals from Seattle to Halifax

Round-trip from

C$ 458

One-way from

C$ 211

Popular in

December

Cheapest in

August

Average price

C$ 458
WestJet
  • WestJet
  • 16/9-29/10
  • 3 total stops
  • 22h 20m total
  • Seattle to Halifax
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Air Canada
  • Air Canada
  • 19/10
  • 1 total stop
  • 9h 54m total
  • Seattle to Halifax
Search Deals
Highest demand for flights based on searches. 39% potential increase in price (C$ 735 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (C$ 85 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 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

Sat 10/10

8:00 a.m.-8:04 p.m.

1 stop8h 04m

Halifax Intl

Sat 17/10

1:35 p.m.-9:34 p.m.

2 stops11h 59m

C$ 496

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$ 508

SeattleHalifax

SEA Seattle/Tacoma Intl - YHZ Halifax Intl

SEAYHZ

Seattle/Tacoma Intl

Thu 12/11

11:15 p.m.-1:24 p.m.

1 stop10h 09m

Halifax Intl

Sat 14/11

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

1 stop12h 01m

C$ 508

SeattleHalifax

SEA Seattle/Tacoma Intl - YHZ Halifax Intl

SEAYHZ

Seattle/Tacoma Intl

Tue 13/10

7:15 p.m.-10:35 a.m.

2 stops11h 20m

Halifax Intl

Mon 19/10

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

1 stop16h 04m

C$ 524

SeattleHalifax

SEA Seattle/Tacoma Intl - YHZ Halifax Intl

SEAYHZ

Seattle/Tacoma Intl

Tue 20/10

7:15 p.m.-10:35 a.m.

2 stops11h 20m

Halifax Intl

Sat 24/10

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

1 stop10h 17m

C$ 538

SeattleHalifax

SEA Seattle/Tacoma Intl - YHZ Halifax Intl

SEAYHZ

Seattle/Tacoma Intl

Wed 16/9

7:35 p.m.-9:20 p.m.

1 stop21h 45m

Halifax Intl

Thu 29/10

7:30 a.m.-2:40 p.m.

1 stop11h 10m

C$ 552
Cheapest one-way

SeattleHalifax

SEA Seattle/Tacoma Intl - YHZ Halifax Intl

SEAYHZ

Seattle/Tacoma Intl

Mon 26/10

11:15 p.m.-1:24 p.m.

1 stop10h 09m

C$ 215

SeattleHalifax

SEA Seattle/Tacoma Intl - YHZ Halifax Intl

SEAYHZ

Seattle/Tacoma Intl

Fri 25/9

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

2 stops11h 10m

C$ 223

SeattleHalifax

SEA Seattle/Tacoma Intl - YHZ Halifax Intl

SEAYHZ

Seattle/Tacoma Intl

Fri 30/10

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

2 stops16h 45m

C$ 223

SeattleHalifax

SEA Seattle/Tacoma Intl - YHZ Halifax Intl

SEAYHZ

Seattle/Tacoma Intl

Fri 18/9

11:04 p.m.-11:46 a.m.

1 stop8h 42m

C$ 236

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/8

Showing 1-10 of 16 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$ 607 and C$ 865 in September.
The cheapest round-trip price found within the last 5 days was C$ 458 on WestJet (16 Sep-29 Oct).

Related info for your journey

  • How long is the flight from Seattle to Halifax?

    For as low as C$ 496, Air Canada can have you in Halifax from Seattle in 8h 04m. 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 Charlottetown flights
Portland to Sydney 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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