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Cheap flights from Seattle to Halifax from C$ 220

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/8. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YHZ
4 Jul — 11 Jul1
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
Explore the most affordable flight options available from Seattle to Halifax. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 June 2026.

Mon 7/97:35 p.m.
SEA
-
YHZ
1 stop8h 35m
WestJet
Mon 12/109:50 a.m.
YHZ
-
SEA
2 stops12h 55m
WestJet
Deal found 1/6C$ 495
Mon 31/89:58 p.m.
SEA
-
YHZ
1 stop11h 38m
American Airlines
Wed 30/93:15 p.m.
YHZ
-
SEA
2 stops12h 56m
American Airlines
Deal found 30/5C$ 514
Thu 9/77:35 p.m.
SEA
-
YHZ
1 stop21h 45m
WestJet
Tue 14/79:50 a.m.
YHZ
-
SEA
2 stops15h 10m
WestJet
Deal found 1/6C$ 552
Mon 31/87:35 p.m.
SEA
-
YHZ
2 stops11h 10m
WestJet
Wed 30/99:50 a.m.
YHZ
-
SEA
2 stops12h 55m
WestJet
Deal found 30/5C$ 555
Sat 26/98:00 a.m.
SEA
-
YHZ
1 stop9h 54m
Air Canada
Tue 29/94:10 p.m.
YHZ
-
SEA
1 stop8h 54m
Air Canada
Deal found 1/6C$ 573
Mon 28/97:20 p.m.
SEA
-
YHZ
2 stops12h 29m
Air Canada
Wed 14/109:00 a.m.
YHZ
-
SEA
2 stops13h 32m
Air Canada
Deal found 3/6C$ 578
Tue 18/87:00 a.m.
SEA
-
YHZ
2 stops10h 05m
WestJet
Mon 24/88:10 p.m.
YHZ
-
SEA
1 stop17h 30m
WestJet
Deal found 1/6C$ 580

Find flight deals from Seattle to Halifax

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Halifax (YHZ). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 4 June 2026.

Round-trip from

C$ 495

One-way from

C$ 220

Popular in

December

Cheapest in

April

Average price

C$ 659
WestJet
  • WestJet
  • 7/9-12/10
  • 3 total stops
  • 21h 30m total
  • Seattle to Halifax
Search Deals
United Airlines
  • United Airlines
  • 21/8
  • 2 total stops
  • 15h 53m total
  • Seattle to Halifax
Search Deals
Highest demand for flights based on searches. 29% potential increase in price (C$ 469 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (C$ 87 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Halifax that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 4 June 2026.
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 - YHZ

SEAYHZ

Seattle/Tacoma Intl

Tue 29/9

7:00 a.m.-11:32 p.m.

1 stop12h 32m

Halifax Intl

Fri 16/10

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

1 stop18h 55m

C$ 573

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Sat 26/9

8:00 a.m.-9:54 p.m.

1 stop9h 54m

Halifax Intl

Tue 29/9

4:10 p.m.-9:04 p.m.

1 stop8h 54m

C$ 573

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Fri 2/10

6:15 p.m.-1:54 p.m.

2 stops15h 39m

Halifax Intl

Thu 15/10

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

1 stop18h 55m

C$ 587

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Tue 29/9

5:00 a.m.-11:32 p.m.

2 stops14h 32m

Halifax Intl

Wed 14/10

7:00 a.m.-6:21 p.m.

1 stop15h 21m

C$ 587

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Mon 10/8

7:35 p.m.-8:10 a.m.

1 stop8h 35m

Halifax Intl

Thu 20/8

3:30 p.m.-11:59 p.m.

2 stops12h 29m

C$ 657

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Sun 4/10

7:35 p.m.-8:10 a.m.

1 stop8h 35m

Halifax Intl

Tue 13/10

1:30 p.m.-12:11 a.m.

2 stops14h 41m

C$ 663

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Sat 4/7

8:00 a.m.-12:34 a.m.

1 stop12h 34m

Halifax Intl

Tue 11/8

6:00 a.m.-7:07 p.m.

2 stops17h 07m

C$ 700

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Tue 21/7

7:00 a.m.-1:54 a.m.

2 stops14h 54m

Halifax Intl

Wed 5/8

2:05 p.m.-9:07 p.m.

1 stop11h 02m

C$ 709
Quickest round-trip

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Tue 4/8

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

1 stop8h 10m

Halifax Intl

Wed 12/8

3:35 p.m.-9:00 p.m.

1 stop9h 25m

C$ 749

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Wed 22/7

7:00 a.m.-1:54 a.m.

2 stops14h 54m

Halifax Intl

Wed 5/8

5:15 a.m.-4:09 p.m.

2 stops14h 54m

C$ 764

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/5

Showing 1-10 of 22 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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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 83 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?

Related info for your journey

Find useful and relevant information for your journey from Seattle to Halifax. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Seattle to Halifax?

    For as low as C$ 573, United Airlines can have you in Halifax from Seattle in 9h 54m. 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

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Alternative routes for Seattle to Halifax

See prices for flight routes from nearby airports that may be better suited for you.
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Fly with Cheapflights

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How does Cheapflights help users find flights from Seattle to Halifax?

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.

Can Cheapflights notify me if prices for flights from Seattle to Halifax become cheaper?

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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