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$191+ 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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
YHZ — SEA
Jun 23 — Jun 301
Mon 6/23
Mon 6/30
1 adult, Economy
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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 June 18, 2025.

Round-trip from

$338
(SmartFares)

One-way from

$191
(oojo)

Popular in

November

Cheapest in

October

Average price

$418
From Halifax Intl to Seattle/Tacoma Intl
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One-way flight from Halifax Intl to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 8% potential increase in price ($42 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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 June 18, 2025.

This SmartFares deal was found by Cheapflights users on 6/16. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/318:00 amYHZ - SEA
1 stop8h 58mWestJet
Thu 8/71:50 pmSEA - YHZ
2 stops12h 11mWestJet
Deal found 6/16$338
This United Airlines deal was found by Cheapflights users on 6/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/252:50 pmYHZ - SEA
2 stops14h 09mUnited Airlines
Sun 6/296:45 amSEA - YHZ
2 stops13h 10mUnited Airlines
Deal found 6/16$492
This Air Canada deal was found by Cheapflights users on 6/17. 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.
Sat 10/111:15 pmYHZ - SEA
2 stops13h 01mAir Canada
Sun 11/95:50 amSEA - YHZ
2 stops10h 45mAir Canada
Deal found 6/17$493
This Mytrip deal was found by Cheapflights users on 6/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/315:50 pmYHZ - SEA
3 stops28h 48mMultiple Airlines
Thu 8/77:05 amSEA - YHZ
2 stops13h 19mMultiple Airlines
Deal found 6/16$497
This American Airlines deal was found by Cheapflights users on 6/18. 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.
Sun 6/222:15 pmYHZ - SEA
1 stop12h 11mAmerican Airlines
Fri 6/2712:05 amSEA - YHZ
1 stop9h 16mAmerican Airlines
Deal found 6/18$974

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 June 18, 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 7/31

8:00 am-12:58 pm

1 stop8h 58m

Seattle/Tacoma Intl

Thu 8/7

1:50 pm-6:01 am

2 stops12h 11m

$338

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Sat 10/11

1:15 pm-10:16 pm

2 stops13h 01m

Seattle/Tacoma Intl

Sun 11/9

5:50 am-8:35 pm

2 stops10h 45m

$493

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Thu 7/31

5:05 am-11:00 am

1 stop9h 55m

Seattle/Tacoma Intl

Wed 8/6

12:20 am-1:49 am

2 stops21h 29m

$496

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Thu 7/31

5:50 pm-6:38 pm

3 stops28h 48m

Seattle/Tacoma Intl

Thu 8/7

7:05 am-12:24 am

2 stops13h 19m

$497

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Sun 8/31

7:00 am-12:35 pm

1 stop9h 35m

$191

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Tue 8/5

3:25 pm-9:19 am

2 stops21h 54m

$224

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Mon 8/4

5:05 am-11:00 am

1 stop9h 55m

$225

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Tue 8/5

11:45 am-6:38 pm

3 stops34h 53m

$241

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Sat 8/9

8:30 am-8:33 pm

2 stops16h 03m

$592

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/16

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, January is the cheapest month in which you can book a flight from Halifax to Seattle (average of $238). Flying from Halifax to Seattle in June is currently the most expensive (average of $390). 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.

What is the cheapest time of day to fly from YHZ to SEA?

Find hourly flight availability from Halifax to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 18, 2025.

It’s optimal to fly from Halifax to Seattle in the morning. By choosing this option you can save up to 31% on the cost of your flight, compared to a flight in the afternoon.

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

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 June 18, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines and American Airlines from Halifax to Seattle to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,964 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,964 reviews
Delta
8.0
Very good
7,964 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,810 reviews
Delta
8.0
Very good
7,964 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,964 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
WestJet
7.2
Good
2,876 reviews
Delta
8.0
Very good
7,964 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.1
Good
9,568 reviews
Delta
8.0
Very good
7,964 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

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

    Cheapflights users have booked flights from Halifax to Seattle round-trip from $338. Other airlines that can offer you cheap pricing are Air Canada, from $493, and United Airlines, from $496. These flights start at 25% lower than the current average price 3 months from now.

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

    $191 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on American Airlines and Air Canada, with prices starting from $224 and $225, 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, January is the cheapest month in which you can book a flight from Halifax to Seattle (average of $238). Flying from Halifax to Seattle in June is currently the most expensive (average of $390). 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 Halifax?

Book flights to Halifax if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Lacey
Ocean Shores
Leavenworth
Federal Way
Lynnwood
Olympia
Shoreline
Cle Elum
Centralia
Kent
Kirkland
Aberdeen
Renton
Shelton
Silverdale
Issaquah

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Halifax to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
St John to Portland flights

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 June 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$390Average$554FlexibilityNo cancel feeOn-time69%

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