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$183+ 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 8/29. Fares are subject to change and may not be available on all flights or dates of travel.
YHZ — SEA
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 12, 2025.

Round-trip from

$323
(United Airlines)

One-way from

$183
(SmartFares)

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 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/11. 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 9/37:00 amYHZ - SEA
2 stops12h 52mUnited Airlines
Wed 9/37:34 pmSEA - YHZ
2 stops14h 29mUnited Airlines
Deal found 6/11$323
This Air Canada deal was found by Cheapflights users on 6/11. 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 8/115:05 amYHZ - SEA
1 stop9h 55mAir Canada
Wed 9/37:15 amSEA - YHZ
1 stop8h 03mAir Canada
Deal found 6/11$345
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Mon 8/114:28 pmYHZ - SEA
2 stops20h 51mAmerican Airlines
Wed 9/311:05 pmSEA - YHZ
1 stop10h 47mAmerican Airlines
Deal found 6/11$358
This Trip.com deal was found by Cheapflights users on 6/12. 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.
Sun 8/38:00 amYHZ - SEA
1 stop8h 58mWestJet
Sat 8/97:05 amSEA - YHZ
1 stop10h 40mWestJet
Deal found 6/12$361
This Mytrip deal was found by Cheapflights users on 6/11. 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 7/1711:45 amYHZ - SEA
3 stops34h 53mMultiple Airlines
Thu 7/241:50 pmSEA - YHZ
2 stops12h 11mMultiple Airlines
Deal found 6/11$473

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 12, 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

Wed 9/3

7:00 am-3:52 pm

2 stops12h 52m

Seattle/Tacoma Intl

Wed 9/3

7:34 pm-2:03 pm

2 stops14h 29m

$323

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Mon 8/11

5:05 am-11:00 am

1 stop9h 55m

Seattle/Tacoma Intl

Wed 9/3

7:15 am-7:18 pm

1 stop8h 03m

$345

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Mon 8/11

4:28 pm-9:19 am

2 stops20h 51m

Seattle/Tacoma Intl

Wed 9/3

11:05 pm-1:52 pm

1 stop10h 47m

$358

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Sun 8/3

8:00 am-12:58 pm

1 stop8h 58m

Seattle/Tacoma Intl

Sat 8/9

7:05 am-9:45 pm

1 stop10h 40m

$361

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Thu 7/17

11:45 am-6:38 pm

3 stops34h 53m

Seattle/Tacoma Intl

Thu 7/24

1:50 pm-6:01 am

2 stops12h 11m

$473

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Fri 8/29

8:00 am-12:58 pm

1 stop8h 58m

$183

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Tue 9/9

5:25 am-10:59 am

1 stop9h 34m

$188

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Tue 9/9

5:25 am-6:49 pm

3 stops17h 24m

$226

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Fri 8/29

11:00 pm-6:49 pm

3 stops23h 49m

$262

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Fri 8/29

8:30 am-8:24 pm

2 stops15h 54m

$412

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

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 July is currently the most expensive (average of $391). 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 12, 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 12, 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
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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
2,868 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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
9,531 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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 $323. Other airlines that can offer you cheap pricing are Air Canada, from $345, and American Airlines, from $358. These flights start at 29% lower than the current average price 3 months from now.

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

    $183 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 United Airlines, with prices starting from $188 and $226, 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 July is currently the most expensive (average of $391). 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
Ocean Shores
Lacey
Leavenworth
Federal Way
Lynnwood
Olympia
Shoreline
Kent
Cle Elum
Centralia
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 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$390Average$554FlexibilityNo cancel feeOn-time69%

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