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$175+ 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 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
YHZ — SEA
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
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 September 11, 2025.

Round-trip from

$351
(oojo)

One-way from

$175
(oojo)

Popular in

November

Cheapest in

October

Average price

$399
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. 7% potential increase in price ($37 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 11, 2025.

This oojo deal was found by Cheapflights users on 9/10. 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.
Sat 10/258:00 amYHZ - SEA
1 stop8h 59mWestJet
Sat 11/13:20 pmSEA - YHZ
1 stop12h 08mWestJet
Deal found 9/10$351
This Mytrip deal was found by Cheapflights users on 9/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2511:00 pmYHZ - SEA
2 stops19h 20mMultiple Airlines
Sat 11/13:20 pmSEA - YHZ
3 stops16h 30mMultiple Airlines
Deal found 9/10$389

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 September 11, 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

Sat 10/25

8:00 am-12:59 pm

1 stop8h 59m

Seattle/Tacoma Intl

Sat 11/1

3:20 pm-2:42 am

2 stops31h 22m

$363

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Sat 10/25

11:00 pm-2:20 pm

2 stops19h 20m

Seattle/Tacoma Intl

Sat 11/1

3:20 pm-11:50 am

3 stops16h 30m

$389

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Sat 10/11

8:30 am-12:35 pm

2 stops32h 05m

$175

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Sat 10/11

7:30 pm-9:21 am

1 stop17h 51m

$220

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Sun 10/26

2:10 pm-2:20 pm

2 stops28h 10m

$236

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Sat 10/11

5:25 am-11:15 pm

3 stops21h 50m

$286

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

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 $388). 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 September 11, 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.

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 September 11, 2025.
Read through reviews of airlines operating flights from Halifax to Seattle, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,937 reviews

Boarding

7.7

Overall

7.4

Entertainment

7.1

Food

6.6

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
United Airlines
7.4
Good
8,937 reviews
United Airlines
7.4
Good
8,937 reviews

Boarding

7.7

Overall

7.4

Entertainment

7.1

Food

6.6

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

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 8h 59m. 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 $390. This flight start at 14% lower than the current average price 3 months from now.

  • 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 $388). 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
Lakewood
Ocean Shores
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Edmonds
Leavenworth
Lacey
Renton
Olympia
Kent
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Shoreline

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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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$390Average$554FlexibilityNo cancel feeOn-time69%

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