Find flights
When to book
Airlines
FAQs

Cheap flights from Halifax to Seattle from C$ 269

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 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
YHZ — SEA
22 Apr — 29 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Halifax to Seattle

Enter your travel dates to find the best prices.

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 23 March 2026.

Tue 26/58:00 p.m.
YHZ
-
SEA
1 stop17h 40m
WestJet
Mon 1/67:35 p.m.
SEA
-
YHZ
1 stop8h 35m
WestJet
Deal found 22/3C$ 417
Mon 27/44:40 p.m.
YHZ
-
SEA
2 stops30h 05m
WestJet
Thu 30/47:35 p.m.
SEA
-
YHZ
1 stop8h 35m
WestJet
Deal found 20/3C$ 418
Sun 24/58:00 p.m.
YHZ
-
SEA
1 stop17h 40m
WestJet
Sat 30/57:35 p.m.
SEA
-
YHZ
2 stops11h 10m
WestJet
Deal found 19/3C$ 432
Thu 4/68:00 p.m.
YHZ
-
SEA
1 stop17h 40m
WestJet
Thu 18/67:00 a.m.
SEA
-
YHZ
1 stop8h 10m
WestJet
Deal found 19/3C$ 435

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 23 March 2026.

Round-trip from

C$ 417

One-way from

C$ 269

Popular in

October

Cheapest in

April

Average price

C$ 782
WestJet
  • WestJet
  • 26/5-1/6
  • 2 total stops
  • 26h 15m total
  • Halifax to Seattle
Search Deals
WestJet
  • WestJet
  • 2/5
  • 1 total stop
  • 19h 25m total
  • Halifax to Seattle
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (C$ 92 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 42 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 629,999 searches. Data last updated 23 March 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

Mon 27/4

4:40 p.m.-6:45 p.m.

2 stops30h 05m

Seattle/Tacoma Intl

Thu 30/4

7:35 p.m.-10:45 a.m.

2 stops11h 10m

C$ 428

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Tue 26/5

8:15 p.m.-6:45 p.m.

2 stops26h 30m

Seattle/Tacoma Intl

Mon 1/6

7:35 p.m.-8:10 a.m.

1 stop8h 35m

C$ 440

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Sat 5/9

3:35 p.m.-9:00 p.m.

1 stop9h 25m

Seattle/Tacoma Intl

Mon 14/9

7:20 a.m.-9:45 p.m.

1 stop10h 25m

C$ 494
Quickest round-trip

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Fri 11/9

3:30 p.m.-8:29 p.m.

1 stop8h 59m

Seattle/Tacoma Intl

Thu 17/9

7:20 a.m.-9:45 p.m.

1 stop10h 25m

C$ 502

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Fri 11/9

5:45 a.m.-6:32 p.m.

2 stops16h 47m

Seattle/Tacoma Intl

Thu 17/9

8:00 a.m.-11:55 p.m.

2 stops11h 55m

C$ 524
Cheapest one-way

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Mon 31/8

7:00 a.m.-9:56 p.m.

2 stops18h 56m

C$ 280

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Thu 9/7

3:30 p.m.-11:26 p.m.

2 stops11h 56m

C$ 289
Quickest one-way

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Tue 7/7

3:35 p.m.-9:00 p.m.

1 stop9h 25m

C$ 302

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Fri 31/7

3:35 p.m.-9:00 p.m.

1 stop9h 25m

C$ 302

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Fri 31/7

7:15 a.m.-9:07 p.m.

2 stops17h 52m

C$ 310

Flights are sorted by cheapest round-trip flights first.

Deals found on 18/3

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

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, April is the cheapest month in which you can book a flight from Halifax to Seattle (average of C$ 262). Flying from Halifax to Seattle in December is currently the most expensive (average of C$ 578). 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 23 March 2026.
Check out reviews from past customers who have flown with United Airlines,WestJet, andAir Canada 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.
United Airlines
7.4
Good
9,462 reviews
Check prices

Entertainment

7.1

Food

6.6

Crew

8.1

Comfort

7.3

Boarding

7.7

Overall

7.4

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
United Airlines
7.4
Good
9,462 reviews
United Airlines
7.4
Good
9,462 reviews
Check prices

Entertainment

7.1

Food

6.6

Crew

8.1

Comfort

7.3

Boarding

7.7

Overall

7.4

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
WestJet
7.2
Good
3,300 reviews
United Airlines
7.4
Good
9,462 reviews
Check prices

Entertainment

7.1

Food

6.6

Crew

8.1

Comfort

7.3

Boarding

7.7

Overall

7.4

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
Air Canada
7.1
Good
10,835 reviews
United Airlines
7.4
Good
9,462 reviews
Check prices

Entertainment

7.1

Food

6.6

Crew

8.1

Comfort

7.3

Boarding

7.7

Overall

7.4

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

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 17h 40m. The time it takes to get you to your destination can typically vary by up to . The distance from Halifax to Seattle is about 4424 km.

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

    Flying on WestJet is currently your cheapest option to Seattle, with prices starting at C$ 266. Additional round-trip tickets that might be worth considering are offered by United Airlines and Air Canada, with the lowest prices starting at C$ 360 and C$ 498, respectively. WestJet is 62% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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, April is the cheapest month in which you can book a flight from Halifax to Seattle (average of C$ 262). Flying from Halifax to Seattle in December is currently the most expensive (average of C$ 578). 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

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Leavenworth
Mukilteo
Tacoma
Kent
Bothell
Cashmere
Tukwila
Olympia
Renton
Marysville
Lynnwood
Kirkland

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 3 airlines flying from Halifax to Seattle

Discover the top 3 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 629,999 searches. Data last updated 23 March 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 266AverageC$ 440FlexibilityNo cancel feeOn-time60%
Search WestJet flights
United AirlinesCheapestC$ 360AverageC$ 658FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 498AverageC$ 639FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Halifax to Seattle?

Cheapflights helps you search for flights from Halifax to Seattle via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Halifax to Seattle?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Halifax to Seattle.

Can Cheapflights find flights from Halifax to Seattle with no change fees?

Yes! Cheapflights helps users easily find flights from Halifax to Seattle with no change fees.

Can Cheapflights notify me if prices for flights from Halifax to Seattle become cheaper?

Of course! You can now track prices for flights from Halifax to Seattle and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.