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Cheap flights from Seattle to Halifax from C$ 245

SEA — YHZ
22 Oct — 29 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 21/107:35 p.m. -
1 stop8h 35m
Sat 24/109:50 a.m. -
2 stops12h 55m
Deal found 21/9C$ 517
Mon 2/1110:10 a.m. -
2 stops10h 05m
Mon 9/115:15 a.m. -
2 stops13h 22m
Deal found 18/9C$ 526
Mon 12/1010:50 a.m. -
1 stop16h 17m
Tue 20/108:05 p.m. -
2 stops18h 00m
Deal found 21/9C$ 540
Mon 19/107:35 p.m. -
1 stop8h 35m
Tue 27/106:00 a.m. -
2 stops12h 40m
Deal found 19/9C$ 549
Sat 17/1010:48 p.m. -
1 stop11h 15m
Sat 24/108:05 a.m. -
1 stop10h 17m
Deal found 21/9C$ 552
Sat 17/105:50 a.m. -
2 stops14h 05m
Sat 24/108:05 a.m. -
1 stop18h 42m
Deal found 21/9C$ 556
Wed 21/107:55 a.m. -
1 stop8h 09m
Sat 24/108:05 a.m. -
1 stop10h 17m
Deal found 21/9C$ 558
Tue 20/105:50 a.m. -
2 stops14h 59m
Sat 24/108:05 a.m. -
1 stop10h 17m
Deal found 21/9C$ 565
Tue 20/107:00 a.m. -
1 stop12h 55m
Sat 24/107:00 a.m. -
1 stop19h 36m
Deal found 20/9C$ 566

Find flight deals from Seattle to Halifax

Round-trip from

C$ 517

One-way from

C$ 245

Popular in

December

Cheapest in

August

Average price

C$ 692
WestJet
  • WestJet
  • 21/10-24/10
  • 3 total stops
  • 21h 30m total
  • Seattle to Halifax
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United Airlines
  • United Airlines
  • 17/10-31/12
  • 1 total stop
  • 11h 15m total
  • Seattle to Halifax
Search Deals
Highest demand for flights based on searches. 39% potential increase in price (C$ 750 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease (C$ 86 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

SeattleHalifax

SEA Seattle/Tacoma Intl - YHZ Halifax Intl

SEAYHZ

Seattle/Tacoma Intl

Tue 3/11

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

1 stop10h 09m

Halifax Intl

Wed 31/12

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

Nonstop0h 00m

C$ 266

SeattleHalifax

SEA Seattle/Tacoma Intl - YHZ Halifax Intl

SEAYHZ

Seattle/Tacoma Intl

Mon 2/11

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

1 stop10h 09m

Halifax Intl

Wed 31/12

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

Nonstop0h 00m

C$ 266

SeattleHalifax

SEA Seattle/Tacoma Intl - YHZ Halifax Intl

SEAYHZ

Seattle/Tacoma Intl

Fri 30/10

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

1 stop10h 09m

Halifax Intl

Wed 31/12

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

Nonstop0h 00m

C$ 266
Quickest round-trip

SeattleHalifax

SEA Seattle/Tacoma Intl - YHZ Halifax Intl

SEAYHZ

Seattle/Tacoma Intl

Sun 22/11

10:10 a.m.-12:15 a.m.

2 stops10h 05m

Halifax Intl

Wed 31/12

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

Nonstop0h 00m

C$ 272

SeattleHalifax

SEA Seattle/Tacoma Intl - YHZ Halifax Intl

SEAYHZ

Seattle/Tacoma Intl

Thu 5/11

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

2 stops16h 45m

Halifax Intl

Wed 31/12

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

Nonstop0h 00m

C$ 282

SeattleHalifax

SEA Seattle/Tacoma Intl - YHZ Halifax Intl

SEAYHZ

Seattle/Tacoma Intl

Sun 22/11

9:53 p.m.-5:40 a.m.

3 stops27h 47m

Halifax Intl

Wed 31/12

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

Nonstop0h 00m

C$ 456

SeattleHalifax

SEA Seattle/Tacoma Intl - YHZ Halifax Intl

SEAYHZ

Seattle/Tacoma Intl

Sat 17/10

10:48 p.m.-2:03 p.m.

1 stop11h 15m

Halifax Intl

Sat 24/10

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

1 stop10h 17m

C$ 552

SeattleHalifax

SEA Seattle/Tacoma Intl - YHZ Halifax Intl

SEAYHZ

Seattle/Tacoma Intl

Sat 17/10

10:48 p.m.-2:03 p.m.

1 stop11h 15m

Halifax Intl

Sat 24/10

7:00 a.m.-5:37 p.m.

2 stops14h 37m

C$ 580

SeattleHalifax

SEA Seattle/Tacoma Intl - YHZ Halifax Intl

SEAYHZ

Seattle/Tacoma Intl

Mon 19/10

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

2 stops11h 20m

Halifax Intl

Tue 27/10

6:05 a.m.-2:37 p.m.

2 stops12h 32m

C$ 591

SeattleHalifax

SEA Seattle/Tacoma Intl - YHZ Halifax Intl

SEAYHZ

Seattle/Tacoma Intl

Tue 20/10

10:48 p.m.-2:03 p.m.

1 stop11h 15m

Halifax Intl

Tue 27/10

2:10 p.m.-9:39 p.m.

1 stop11h 29m

C$ 596

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/9

Showing 1-10 of 16 resultsSorted by cheapest first
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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$ 563 and C$ 918 in October.
The cheapest round-trip price found within the last 5 days was C$ 517 on WestJet (21 Oct-24 Oct).

Related info for your journey

  • How long is the flight from Seattle to Halifax?

    For as low as C$ 580, United Airlines can have you in Halifax from Seattle in 11h 15m. 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
Portland to Charlottetown flights
Spokane to Halifax 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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