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Halifax

$171+ Cheap flights from Seattle (SEA) to Halifax (YHZ)

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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YHZ
May 18 — May 251
Mon 5/18
Mon 5/25
1 adult, Economy
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Cheap flight deals from Seattle to Halifax

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 April 18, 2026.

This Trip.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/97:35 pm
SEA
-
YHZ
1 stop8h 35m
WestJet
Fri 6/129:50 am
YHZ
-
SEA
2 stops12h 55m
WestJet
Deal found 4/16$353
This Kiwi.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/97:35 pm
SEA
-
YHZ
1 stop8h 35m
WestJet
Thu 6/119:50 am
YHZ
-
SEA
2 stops12h 55m
WestJet
Deal found 4/16$366
This Kiwi.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/107:35 pm
SEA
-
YHZ
1 stop8h 35m
WestJet
Wed 6/179:50 am
YHZ
-
SEA
2 stops12h 55m
WestJet
Deal found 4/16$367
This Trip.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/911:03 am
SEA
-
YHZ
2 stops17h 07m
Multiple Airlines
Fri 6/129:50 am
YHZ
-
SEA
2 stops12h 55m
Multiple Airlines
Deal found 4/16$368
This FlightHub deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/127:35 pm
SEA
-
YHZ
2 stops10h 40m
WestJet
Sat 6/203:35 pm
YHZ
-
SEA
1 stop9h 25m
WestJet
Deal found 4/13$370
This Trip.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/87:00 am
SEA
-
YHZ
1 stop10h 15m
WestJet
Tue 9/299:50 am
YHZ
-
SEA
2 stops12h 55m
WestJet
Deal found 4/16$375
This Air Canada deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/188:00 am
SEA
-
YHZ
2 stops11h 55m
Air Canada
Tue 9/295:45 am
YHZ
-
SEA
2 stops12h 37m
Air Canada
Deal found 4/18$379
This Trip.com deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/267:35 pm
SEA
-
YHZ
1 stop8h 35m
WestJet
Thu 10/19:50 am
YHZ
-
SEA
2 stops12h 55m
WestJet
Deal found 4/18$380
This Kiwi.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/98:12 pm
SEA
-
YHZ
2 stops30h 43m
Multiple Airlines
Mon 6/153:35 pm
YHZ
-
SEA
1 stop9h 25m
Multiple Airlines
Deal found 4/16$381
This Trip.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/47:35 pm
SEA
-
YHZ
2 stops21h 30m
WestJet
Thu 6/119:50 am
YHZ
-
SEA
2 stops12h 55m
WestJet
Deal found 4/16$382
This American Airlines deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1712:46 pm
SEA
-
YHZ
1 stop20h 56m
American Airlines
Wed 6/242:27 pm
YHZ
-
SEA
1 stop12h 31m
American Airlines
Deal found 4/18$383

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 April 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$349
(Trip.com)

One-way from

$178
(Trip.com)

Popular in

December

Cheapest in

June

Average price

$406
Provider with most accurate pricing for Seattle/Tacoma Intl-Halifax Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Halifax Intl flights.
Search Deals
From Seattle/Tacoma Intl to Halifax Intl
Search Deals
One-way flight from Seattle/Tacoma Intl to Halifax Intl
Search Deals
Highest demand for flights based on searches. 29% potential increase in price ($240 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($45 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 2,558,603 searches. Data last updated April 18, 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

Sun 8/2

7:00 am-7:10 pm

1 stop8h 10m

Halifax Intl

Thu 8/6

1:30 pm-9:00 pm

2 stops11h 30m

$383

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Thu 6/4

7:35 pm-9:15 pm

1 stop21h 40m

Halifax Intl

Thu 6/11

9:50 am-6:45 pm

2 stops12h 55m

$385

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Fri 6/12

7:35 pm-10:15 am

2 stops10h 40m

Halifax Intl

Sat 6/20

9:50 am-9:00 pm

2 stops15h 10m

$395
Quickest round-trip

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Tue 8/18

7:00 am-9:05 pm

2 stops10h 05m

Halifax Intl

Tue 9/1

3:35 pm-9:00 pm

1 stop9h 25m

$399

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Thu 4/30

10:30 am-9:05 pm

2 stops30h 35m

Halifax Intl

Sun 5/3

7:45 am-6:45 pm

1 stop15h 00m

$406

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Sat 6/6

11:52 pm-3:58 pm

1 stop12h 06m

Halifax Intl

Thu 6/11

4:50 pm-11:59 pm

1 stop11h 09m

$413

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Sat 6/6

10:40 pm-3:58 pm

1 stop13h 18m

Halifax Intl

Wed 6/10

4:50 pm-11:59 pm

1 stop11h 09m

$413

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Sat 6/6

11:52 pm-3:58 pm

1 stop12h 06m

Halifax Intl

Mon 6/15

4:50 pm-10:39 pm

1 stop9h 49m

$413

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Thu 5/21

10:30 am-6:55 am

2 stops16h 25m

Halifax Intl

Mon 5/25

6:15 pm-9:40 am

1 stop19h 25m

$440

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Sat 8/22

7:35 pm-10:45 am

2 stops11h 10m

Halifax Intl

Sun 8/30

4:40 pm-9:40 am

2 stops21h 00m

$443

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/18

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

Compare providers for flights from Seattle to Halifax

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Halifax in April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seattle-Halifax flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Halifax flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Halifax flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Halifax flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Halifax flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Halifax. Price data was last updated on April 10, 2026.

The price you pay for your flight from Seattle to Halifax may vary depending on when you book. For the best chance of a lower fare, look to book 56 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Reviews of airlines servicing Halifax

Get insights into the airlines that provide service to Halifax. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Halifax. Reviews last updated April 18, 2026.
See what other customers who have flown with Delta,United Airlines, andWestJet from Seattle to Halifax have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,423 reviews

Boarding

8.1

Overall

7.9

Entertainment

7.8

Comfort

7.9

Food

7.2

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,423 reviews
Delta
7.9
Good
8,423 reviews

Boarding

8.1

Overall

7.9

Entertainment

7.8

Comfort

7.9

Food

7.2

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,603 reviews
Delta
7.9
Good
8,423 reviews

Boarding

8.1

Overall

7.9

Entertainment

7.8

Comfort

7.9

Food

7.2

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
WestJet
7.2
Good
3,321 reviews
Delta
7.9
Good
8,423 reviews

Boarding

8.1

Overall

7.9

Entertainment

7.8

Comfort

7.9

Food

7.2

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Air Canada
7.1
Good
10,935 reviews
Delta
7.9
Good
8,423 reviews

Boarding

8.1

Overall

7.9

Entertainment

7.8

Comfort

7.9

Food

7.2

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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?

    WestJet can get you from Seattle to Halifax in just under 11h 10m. Your travel time can differ by up to . Airlines will cover a distance of 2749 mi.

  • What are the cheapest airlines flying from Seattle to Halifax round-trip?

    Delta, at $216, was found to be the cheapest airline from Seattle to Halifax.Alternate airlines to your destination round-trip include WestJet and Air Canada. You may be able to fly from Seattle to Halifax for 63% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Seattle to Halifax one-way?

    To fly one-way, consider booking your trip with WestJet, which is currently one of the cheapest options available, starting at $143. Delta flights start at $163 while deals on Air Canada start at $178 one-way.

  • 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

Traveling to a place near Halifax?

Book flights to Halifax if you plan to visit one of these locations
Dartmouth
Bridgewater

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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.
Portland to Halifax flights
Seattle to Sydney flights

Top 4 airlines flying from Seattle to Halifax

Discover the top 4 airlines that operate flights from Seattle to Halifax. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$166Average$359FlexibilityNo cancel feeOn-time69%
DeltaCheapest$216Average$506FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$227Average$417FlexibilityNo cancel feeOn-time60%
Air CanadaCheapest$243Average$569FlexibilityNo cancel feeOn-time67%

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