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$189+ Cheap flights from Halifax (YHZ) to Seattle (SEA)

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 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
YHZ — SEA
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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Find flight deals from Halifax to Seattle

Cheapest flights from Halifax to Seattle
Explore the most affordable flight options available from Halifax to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 28, 2025.

This United Airlines deal was found by Cheapflights users on 10/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/137:00 amYHZ - SEA
1 stop19h 46mUnited Airlines
Wed 11/196:03 amSEA - YHZ
1 stop13h 51mUnited Airlines
Deal found 10/27$384
This Air Canada deal was found by Cheapflights users on 10/26. 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.
Thu 11/275:35 amYHZ - SEA
2 stops12h 56mAir Canada
Mon 12/18:00 pmSEA - YHZ
2 stops11h 04mAir Canada
Deal found 10/26$448
This Air Canada deal was found by Cheapflights users on 10/26. 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.
Wed 12/105:35 amYHZ - SEA
2 stops12h 56mAir Canada
Wed 12/178:10 amSEA - YHZ
1 stop10h 16mAir Canada
Deal found 10/26$460
This Trip.com deal was found by Cheapflights users on 10/26. 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 11/278:20 amYHZ - SEA
1 stop10h 00mMultiple Airlines
Mon 12/17:57 amSEA - YHZ
1 stop9h 58mMultiple Airlines
Deal found 10/26$490
This oojo deal was found by Cheapflights users on 10/26. 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.
Wed 12/106:00 amYHZ - SEA
2 stops36h 20mWestJet
Wed 12/173:10 pmSEA - YHZ
2 stops10h 53mWestJet
Deal found 10/26$512
This United Airlines deal was found by Cheapflights users on 10/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/105:05 amYHZ - SEA
3 stops22h 10mUnited Airlines
Wed 12/175:00 amSEA - YHZ
2 stops15h 26mUnited Airlines
Deal found 10/26$533
This American Airlines deal was found by Cheapflights users on 10/27. 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.
Thu 11/131:10 pmYHZ - SEA
2 stops15h 48mAmerican Airlines
Tue 11/1812:41 amSEA - YHZ
2 stops19h 41mAmerican Airlines
Deal found 10/27$545
This Air Canada deal was found by Cheapflights users on 10/26. 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.
Mon 12/226:55 amYHZ - SEA
2 stops19h 21mAir Canada
Sun 1/48:10 amSEA - YHZ
1 stop10h 16mAir Canada
Deal found 10/26$549

Cheap flight deals from Halifax to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Halifax (YHZ) to Seattle (SEA). 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 October 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$384
(United Airlines)

One-way from

$189
(FlightHub)

Popular in

October

Cheapest in

February

Average price

$669
Provider with most accurate pricing for Halifax Intl-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Halifax Intl-Seattle/Tacoma Intl flights.
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From Halifax Intl to Seattle/Tacoma Intl
Search Deals
One-way flight from Halifax Intl to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($62 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Halifax to Seattle 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 October 28, 2025.
Use the filters below to find and compare flights from Halifax to Seattle that are best for you.

Fly from

Halifax

Fly to

Seattle

Route

Depart

Return

Price

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Thu 11/13

7:00 am-10:46 pm

1 stop19h 46m

Seattle/Tacoma Intl

Wed 11/19

6:03 am-11:54 pm

1 stop13h 51m

$384

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Wed 12/10

4:00 pm-10:16 pm

1 stop10h 16m

Seattle/Tacoma Intl

Wed 12/17

8:10 am-10:26 pm

1 stop10h 16m

$475

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Thu 11/27

8:20 am-2:20 pm

1 stop10h 00m

Seattle/Tacoma Intl

Mon 12/1

7:57 am-9:55 pm

1 stop9h 58m

$490

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Wed 12/10

6:00 am-2:20 pm

2 stops36h 20m

Seattle/Tacoma Intl

Wed 12/17

3:10 pm-6:03 am

2 stops10h 53m

$512

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Wed 12/10

5:05 am-11:15 pm

3 stops22h 10m

Seattle/Tacoma Intl

Wed 12/17

5:00 am-12:26 am

2 stops15h 26m

$533

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Thu 11/13

1:10 pm-12:58 am

2 stops15h 48m

Seattle/Tacoma Intl

Tue 11/18

12:41 am-12:22 am

2 stops19h 41m

$545

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Mon 12/22

6:55 am-10:16 pm

2 stops19h 21m

Seattle/Tacoma Intl

Sun 1/4

8:10 am-10:26 pm

1 stop10h 16m

$549

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Mon 12/22

5:05 am-11:12 pm

2 stops22h 07m

Seattle/Tacoma Intl

Sun 1/4

11:15 pm-12:26 am

2 stops21h 11m

$555

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Thu 1/8

6:55 am-2:20 pm

2 stops35h 25m

$189

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Thu 1/8

11:55 am-10:16 pm

1 stop14h 21m

$195

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 16 results
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Compare providers for flights from Halifax to Seattle

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 Halifax to Seattle in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*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 Halifax-Seattle flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Halifax-Seattle flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Halifax-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Halifax-Seattle flights, Cheapflights users trust eDreams the most. eDreams 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 Halifax-Seattle 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 Halifax to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Halifax 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 Halifax to Seattle

What is the cheapest month to book a flight from Halifax to Seattle?

Currently, August is the cheapest month in which you can book a flight from Halifax to Seattle (average of $263). Flying from Halifax to Seattle in December is currently the most expensive (average of $480). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Halifax to Seattle. 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 Halifax to Seattle?

    Airlines like United Airlines and Air Canada fly from Halifax to Seattle in about 10h 16m. The time it takes to get you to your destination can typically vary by up to 9h 30m. There are 2749 mi between Halifax and Seattle. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Halifax to Seattle that include hotel bookings?

    Yes. In addition to deals on Halifax to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Halifax to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Halifax to Seattle.

  • Can I find deals for business class flights from Halifax to Seattle?

    Yes. Cheapflights offers flight deals from Halifax to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Halifax to Seattle?

    Currently, August is the cheapest month in which you can book a flight from Halifax to Seattle (average of $263). Flying from Halifax to Seattle in December is currently the most expensive (average of $480). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
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Ocean Shores
Lynnwood
Edmonds
Leavenworth
Renton
Kirkland
Lacey
Kent
Federal Way
Cle Elum
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Chehalis
Fife
Issaquah

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