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$157+ 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
YHZ — SEA
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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Cheapflights Tip: The best prices from Halifax Intl to Seattle/Tacoma Intl are usually found in October or September, booked 16 days in advance, depart on a Tuesday or Wednesday and return on a Monday

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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$247
(Trip.com)

One-way from

$157
(oojo)

Popular in

November

Cheapest in

October

Average price

$493
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.
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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 ($41 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 28, 2025.

This Trip.com deal was found by Cheapflights users on 3/27. 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 5/173:20 pmYHZ - SEA
1 stop9h 08mWestJet
Thu 5/227:05 amSEA - YHZ
2 stops11h 45mWestJet
Deal found 3/27$247
This Air Canada deal was found by Cheapflights users on 3/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/275:15 amYHZ - SEA
1 stop9h 36mAir Canada
Tue 7/17:20 amSEA - YHZ
1 stop7h 59mAir Canada
Deal found 3/27$359
This United Airlines deal was found by Cheapflights users on 3/27. 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.
Sun 6/225:15 amYHZ - SEA
1 stop9h 36mUnited Airlines
Sat 6/2811:35 amSEA - YHZ
1 stop10h 34mUnited Airlines
Deal found 3/27$362
This Booking.com deal was found by Cheapflights users on 3/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/115:25 amYHZ - SEA
1 stop9h 26mMultiple Airlines
Sun 5/187:05 amSEA - YHZ
1 stop30h 00mMultiple Airlines
Deal found 3/27$459

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 March 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

Sat 5/17

3:20 pm-8:28 pm

1 stop9h 08m

Seattle/Tacoma Intl

Thu 5/22

7:05 am-10:50 pm

2 stops11h 45m

$247

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Fri 6/27

5:15 am-10:51 am

1 stop9h 36m

Seattle/Tacoma Intl

Tue 7/1

7:20 am-7:19 pm

1 stop7h 59m

$359

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Sun 6/22

5:15 am-10:51 am

1 stop9h 36m

Seattle/Tacoma Intl

Sat 6/28

11:35 am-2:09 am

1 stop10h 34m

$362

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Sun 5/11

5:25 am-10:51 am

1 stop9h 26m

Seattle/Tacoma Intl

Sun 5/18

7:05 am-5:05 pm

1 stop30h 00m

$459

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Mon 9/1

7:00 am-12:33 pm

1 stop9h 33m

$157

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Sun 5/11

5:25 am-10:51 am

1 stop9h 26m

$200

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Sun 5/11

11:00 pm-2:25 pm

3 stops43h 25m

$226

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Sun 8/31

8:00 am-12:58 pm

1 stop8h 58m

$610

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/28

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 March.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust 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 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

How far ahead should I book a flight from Halifax to Seattle?

Use this chart to determine the optimal time to book a round-trip flight from Halifax to Seattle. Price data was last updated on March 21, 2025.

The price you pay for your flight from Halifax to Seattle may vary depending on when you book. For the best chance of a lower fare, look to book 16 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 $411). 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 March 28, 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 March 28, 2025.
Delta
8.0
Very good
7,897 reviews

Boarding

8.2

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,897 reviews
Delta
8.0
Very good
7,897 reviews

Boarding

8.2

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,603 reviews
Delta
8.0
Very good
7,897 reviews

Boarding

8.2

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
WestJet
7.2
Good
2,785 reviews
Delta
8.0
Very good
7,897 reviews

Boarding

8.2

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air Canada
7.0
Good
8,981 reviews
Delta
8.0
Very good
7,897 reviews

Boarding

8.2

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 $247. Other airlines that can offer you cheap pricing are Air Canada, from $359, and United Airlines, from $362. These flights start at 46% lower than the current average price 3 months from now.

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

    $157 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on United Airlines and Delta, with prices starting from $200 and $610, 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 $411). 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
Renton
Lacey
Ocean Shores
Leavenworth
Federal Way
Olympia
Cle Elum
Centralia
Mukilteo
Aberdeen
Shoreline
Lynnwood
Shelton
Silverdale
Redmond
Monroe

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 2 airlines flying from Halifax to Seattle

Discover the top 2 airlines 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$344Average$484FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$390Average$554FlexibilityNo cancel feeOn-time69%
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