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Halifax

$137+ 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 7/11. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YHZ
Jul 10 — Jul 171
Fri 7/10
Fri 7/17
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 June 10, 2026.

This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
Mon 7/137:35 pm
SEA
-
YHZ
1 stop8h 35m
WestJet
Thu 7/169:50 am
YHZ
-
SEA
2 stops12h 55m
WestJet
Deal found 6/10$287
This Kiwi.com deal was found by Cheapflights users on 6/9. 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.
Thu 8/277:00 am
SEA
-
YHZ
1 stop10h 20m
WestJet
Sat 9/59:50 am
YHZ
-
SEA
2 stops15h 10m
WestJet
Deal found 6/9$311
This oojo deal was found by Cheapflights users on 6/9. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/157:35 pm
SEA
-
YHZ
2 stops11h 10m
WestJet
Fri 9/189:50 am
YHZ
-
SEA
2 stops12h 55m
WestJet
Deal found 6/9$320
This Justfly.com deal was found by Cheapflights users on 6/10. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/17:35 pm
SEA
-
YHZ
1 stop8h 35m
WestJet
Fri 8/71:30 pm
YHZ
-
SEA
2 stops11h 30m
WestJet
Deal found 6/10$326
This oojo deal was found by Cheapflights users on 6/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/107:35 pm
SEA
-
YHZ
2 stops21h 30m
WestJet
Fri 7/249:50 am
YHZ
-
SEA
2 stops15h 10m
WestJet
Deal found 6/10$336

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 June 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$311
(Kiwi.com)

One-way from

$131
(oojo)

Popular in

December

Cheapest in

April

Average price

$516
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.
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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 ($243 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 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 2,558,603 searches. Data last updated June 10, 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

Wed 9/30

8:10 am-12:34 am

2 stops12h 24m

Halifax Intl

Sat 10/3

7:00 am-9:15 pm

2 stops18h 15m

$391

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Wed 8/5

5:15 am-9:54 pm

2 stops12h 39m

Halifax Intl

Tue 8/11

6:00 am-9:07 pm

1 stop19h 07m

$418

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Fri 7/3

7:30 am-11:55 pm

1 stop12h 25m

Halifax Intl

Fri 7/10

7:15 am-9:07 pm

2 stops17h 52m

$419

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Tue 7/21

5:15 pm-3:58 pm

1 stop18h 43m

Halifax Intl

Tue 7/28

6:00 am-9:07 pm

1 stop19h 07m

$435

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Wed 9/30

8:00 am-9:54 pm

1 stop9h 54m

Halifax Intl

Sat 10/3

5:15 am-6:32 pm

2 stops17h 17m

$439
Quickest round-trip

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Sat 8/1

7:35 pm-8:10 am

1 stop8h 35m

Halifax Intl

Fri 8/7

3:35 pm-9:00 pm

1 stop9h 25m

$485
Cheapest one-way

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Wed 7/15

7:00 am-8:10 am

1 stop21h 10m

$168

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Wed 7/22

10:30 am-8:10 am

1 stop17h 40m

$168

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Fri 7/10

3:28 pm-1:22 pm

1 stop17h 54m

$228

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Fri 6/26

11:49 pm-11:55 pm

2 stops20h 06m

$229

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

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 June.
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?

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 83 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 June 10, 2026.
See what other customers who have flown with Delta,WestJet, andAir Canada 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
8,400 reviews

Crew

8.5

Overall

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.9
Good
8,400 reviews
Delta
7.9
Good
8,400 reviews

Crew

8.5

Overall

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
WestJet
7.2
Good
3,356 reviews
Delta
7.9
Good
8,400 reviews

Crew

8.5

Overall

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Air Canada
7.1
Good
11,159 reviews
Delta
7.9
Good
8,400 reviews

Crew

8.5

Overall

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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?

    United Airlines can get you from Seattle to Halifax in just under 12h 24m. 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 $217, 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 62% 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 $159. Air Canada flights start at $188 while deals on Delta start at $194 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

Browse thousands of different options on Cheapflights for your next trip

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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 3 airlines flying from Seattle to Halifax

Discover the top 3 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 June 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$217Average$519FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$227Average$403FlexibilityNo cancel feeOn-time60%
Air CanadaCheapest$266Average$548FlexibilityNo cancel feeOn-time67%

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