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$154+ 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 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
YHZ — SEA
May 28 — Jun 41
Thu 5/28
Thu 6/4
1 adult, Economy
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Cheap 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 April 28, 2026.

This oojo deal was found by Cheapflights users on 4/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/59:50 am
YHZ
-
SEA
2 stops15h 10m
WestJet
Mon 9/147:35 pm
SEA
-
YHZ
1 stop8h 35m
WestJet
Deal found 4/27$256
This Trip.com deal was found by Cheapflights users on 4/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/309:50 am
YHZ
-
SEA
2 stops12h 55m
WestJet
Thu 6/47:35 pm
SEA
-
YHZ
1 stop8h 35m
WestJet
Deal found 4/27$270
This Trip.com deal was found by Cheapflights users on 4/23. 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 5/309:50 am
YHZ
-
SEA
2 stops12h 55m
WestJet
Sat 6/67:35 pm
SEA
-
YHZ
1 stop8h 35m
WestJet
Deal found 4/23$272
This oojo deal was found by Cheapflights users on 4/23. 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.
Thu 7/308:30 am
YHZ
-
SEA
2 stops14h 15m
WestJet
Sat 8/87:35 pm
SEA
-
YHZ
2 stops11h 10m
WestJet
Deal found 4/23$278
This oojo deal was found by Cheapflights users on 4/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/113:35 pm
YHZ
-
SEA
1 stop31h 10m
WestJet
Thu 9/177:35 pm
SEA
-
YHZ
1 stop8h 35m
WestJet
Deal found 4/27$289
This oojo deal was found by Cheapflights users on 4/23. 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.
Sun 5/314:40 pm
YHZ
-
SEA
2 stops30h 05m
WestJet
Sat 6/67:35 pm
SEA
-
YHZ
1 stop8h 35m
WestJet
Deal found 4/23$293
This oojo deal was found by Cheapflights users on 4/24. 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.
Mon 6/89:50 am
YHZ
-
SEA
2 stops12h 55m
WestJet
Mon 6/1510:30 am
SEA
-
YHZ
2 stops16h 25m
WestJet
Deal found 4/24$294
This oojo deal was found by Cheapflights users on 4/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/309:50 am
YHZ
-
SEA
2 stops12h 55m
WestJet
Wed 6/37:35 pm
SEA
-
YHZ
1 stop19h 35m
WestJet
Deal found 4/27$299

Find 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 April 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$256
(oojo)

One-way from

$154
(oojo)

Popular in

October

Cheapest in

March

Average price

$376
Provider with most accurate pricing for Halifax Intl-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Halifax Intl-Seattle/Tacoma Intl flights.
Search Deals
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. 10% potential increase in price ($58 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
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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 April 28, 2026.
Use the filters below to find and compare flights from Halifax to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Sat 9/5

9:50 am-9:00 pm

2 stops15h 10m

Seattle/Tacoma Intl

Mon 9/14

7:35 pm-8:10 am

1 stop8h 35m

$256

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Fri 9/11

9:50 am-6:45 pm

2 stops12h 55m

Seattle/Tacoma Intl

Thu 9/17

7:35 pm-10:45 am

2 stops11h 10m

$263

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Thu 7/30

8:30 am-6:45 pm

2 stops14h 15m

Seattle/Tacoma Intl

Sat 8/8

7:35 pm-10:45 am

2 stops11h 10m

$278

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Sat 5/30

9:50 am-6:45 pm

2 stops12h 55m

Seattle/Tacoma Intl

Thu 6/4

7:35 pm-9:05 pm

2 stops21h 30m

$292

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Sat 5/30

9:50 am-6:45 pm

2 stops12h 55m

Seattle/Tacoma Intl

Wed 6/3

7:35 pm-7:10 pm

1 stop19h 35m

$299
Quickest round-trip

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Wed 5/27

7:45 am-6:45 pm

1 stop15h 00m

Seattle/Tacoma Intl

Mon 6/1

7:35 pm-8:10 am

1 stop8h 35m

$307
Cheapest one-way

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Wed 6/10

9:50 am-6:45 pm

2 stops12h 55m

$160

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Sat 5/30

9:50 am-6:45 pm

2 stops12h 55m

$160

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Sat 10/10

6:15 pm-6:45 pm

1 stop28h 30m

$186

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Wed 6/10

2:27 pm-10:58 pm

1 stop12h 31m

$187

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 13 resultsSorted by cheapest first
1
2
  • Most accurate provider: When it comes to deals on Halifax-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Halifax-Seattle flight deals on Cheapflights vs. FlightHub >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 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 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, March is the cheapest month in which you can book a flight from Halifax to Seattle (average of $347). Flying from Halifax to Seattle in October is currently the most expensive (average of $753). 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.

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

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated April 28, 2026.
Read through reviews of airlines operating flights from Halifax to Seattle, such as Air Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Air Canada
7.1
Good
10,975 reviews

Crew

7.8

Overall

7.1

Comfort

7.1

Food

6.3

Boarding

7.3

Entertainment

6.8

Reviews

1 / 20
6.0
Good

Paula,Mar 2026

YVR - PSP

Everything was OK, but we waited on the tarmac for an hour and 20 minutes after landing because there was no available gate. This is a daily occurrence at the Palm Springs airport, and happens with Air Canada and WestJet constantly.
Air Canada
7.1
Good
10,975 reviews
Air Canada
7.1
Good
10,975 reviews

Crew

7.8

Overall

7.1

Comfort

7.1

Food

6.3

Boarding

7.3

Entertainment

6.8

Reviews

1 / 20
6.0
Good

Paula,Mar 2026

YVR - PSP

Everything was OK, but we waited on the tarmac for an hour and 20 minutes after landing because there was no available gate. This is a daily occurrence at the Palm Springs airport, and happens with Air Canada and WestJet constantly.

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 WestJet fly from Halifax to Seattle in about 15h 10m. The time it takes to get you to your destination can typically vary by up to . There are 2749 mi between Halifax and Seattle.

  • What is the cheapest airline to fly from Halifax to Seattle round-trip?

    Cheapflights users have booked flights from Halifax to Seattle round-trip from $144. This flight start at 71% lower than the current average price 3 months from now.

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

    $141 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Air Canada and Delta, with prices starting from $176 and $176, respectively.

  • 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, March is the cheapest month in which you can book a flight from Halifax to Seattle (average of $347). Flying from Halifax to Seattle in October is currently the most expensive (average of $753). 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
Tacoma
Ocean Shores
Olympia
Lynnwood
Lacey
Edmonds
Leavenworth
Snoqualmie
Tumwater
Tukwila
Puyallup
Kent
Renton
Kirkland
Ellensburg
Fife
Lakewood
Issaquah
Shoreline

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Halifax to Seattle

Discover the top airline that operate flights from Halifax to Seattle. 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 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$144Average$524FlexibilityNo cancel feeOn-time67%

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