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Cheap flights from Halifax to Seattle from C$ 265

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 4/10. Fares are subject to change and may not be available on all flights or dates of travel.
YHZ — SEA
19 Oct — 26 Oct1
1 adult
1 adult, Economy

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 19 September 2025.

Round-trip from

C$ 505

One-way from

C$ 265

Popular in

November

Cheapest in

October

Average price

C$ 564
24/11-30/11
  • 24/11-30/11
  • 5 total stops
  • 37h 55m total
  • Halifax to Seattle
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Air Canada
  • Air Canada
  • 4/10
  • 1 total stop
  • 9h 34m total
  • Halifax to Seattle
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (C$ 82 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 23 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 19 September 2025.

Mon 24/1110:40 p.m.YHZ - SEA
2 stops19h 40mMultiple Airlines
Sun 30/113:10 p.m.SEA - YHZ
3 stops18h 15mMultiple Airlines
Deal found 17/9C$ 505
Mon 24/116:10 p.m.YHZ - SEA
1 stop24h 10mWestJet
Sun 30/113:10 p.m.SEA - YHZ
2 stops34h 53mWestJet
Deal found 17/9C$ 575
Fri 10/109:35 a.m.YHZ - SEA
1 stop16h 56mAir Canada
Mon 13/105:30 a.m.SEA - YHZ
1 stop8h 56mAir Canada
Deal found 17/9C$ 620
Fri 10/102:15 p.m.YHZ - SEA
2 stops23h 34mAmerican Airlines
Mon 13/1011:24 p.m.SEA - YHZ
2 stops58h 06mAmerican Airlines
Deal found 17/9C$ 728
Fri 10/108:05 p.m.YHZ - SEA
2 stops44h 30mWestJet
Mon 13/108:40 a.m.SEA - YHZ
1 stop18h 33mWestJet
Deal found 17/9C$ 787
Fri 10/1011:00 p.m.YHZ - SEA
3 stops24h 21mMultiple Airlines
Mon 13/108:40 a.m.SEA - YHZ
3 stops32h 04mMultiple Airlines
Deal found 17/9C$ 1,215

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 19 September 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

Mon 24/11

10:40 p.m.-2:20 p.m.

2 stops19h 40m

Seattle/Tacoma Intl

Sun 30/11

3:10 p.m.-1:25 p.m.

3 stops18h 15m

C$ 505

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Mon 24/11

6:10 p.m.-2:20 p.m.

1 stop24h 10m

Seattle/Tacoma Intl

Sun 30/11

3:10 p.m.-6:03 a.m.

2 stops34h 53m

C$ 575

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Fri 10/10

9:35 a.m.-10:31 p.m.

1 stop16h 56m

Seattle/Tacoma Intl

Mon 13/10

5:30 a.m.-6:26 p.m.

1 stop8h 56m

C$ 620

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Fri 10/10

2:15 p.m.-9:49 a.m.

2 stops23h 34m

Seattle/Tacoma Intl

Mon 13/10

11:24 p.m.-1:30 p.m.

2 stops58h 06m

C$ 728

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Fri 10/10

8:05 p.m.-12:35 p.m.

2 stops44h 30m

Seattle/Tacoma Intl

Mon 13/10

8:40 a.m.-7:13 a.m.

1 stop18h 33m

C$ 787

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Fri 10/10

11:00 p.m.-7:21 p.m.

3 stops24h 21m

Seattle/Tacoma Intl

Mon 13/10

8:40 a.m.-8:44 p.m.

3 stops32h 04m

C$ 1,215

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Sat 4/10

5:25 a.m.-10:59 a.m.

1 stop9h 34m

C$ 265

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Sat 4/10

2:37 p.m.-10:04 p.m.

1 stop11h 27m

C$ 270

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Sat 1/11

11:35 a.m.-3:20 p.m.

3 stops31h 45m

C$ 281

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Sat 11/10

8:05 p.m.-12:35 p.m.

2 stops20h 30m

C$ 284

Flights are sorted by cheapest round-trip flights first.

Deals found on 19/9

Showing 1-10 of 13 results
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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 C$ 262). Flying from Halifax to Seattle in December is currently the most expensive (average of C$ 353). 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 19 September 2025.

A simple way to save on the total cost of your ticket is to fly from Halifax to Seattle in the evening. If you’re flexible enough to do this you can expect to save up to 38% on your trip compared to booking a flight at noon.

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 19 September 2025.
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
8,926 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Food

6.6

Crew

8.1

Comfort

7.3

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
United Airlines
7.4
Good
8,926 reviews
United Airlines
7.4
Good
8,926 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Food

6.6

Crew

8.1

Comfort

7.3

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
WestJet
7.2
Good
3,095 reviews
United Airlines
7.4
Good
8,926 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Food

6.6

Crew

8.1

Comfort

7.3

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
Air Canada
7.1
Good
10,000 reviews
United Airlines
7.4
Good
8,926 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Food

6.6

Crew

8.1

Comfort

7.3

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.

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 and Air Canada fly from Halifax to Seattle in about 16h 56m. The time it takes to get you to your destination can typically vary by up to 7h 14m. The distance from Halifax to Seattle is about 4424 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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$ 420. Additional round-trip tickets that might be worth considering are offered by United Airlines and Air Canada, with the lowest prices starting at C$ 495 and C$ 500, respectively. WestJet is 32% cheaper than the average price of flights available within the next 90 days to this destination.

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

    The cheapest airlines for a one-way flight from Halifax to Seattle are Air Canada (C$ 265), American Airlines (C$ 270), and WestJet (C$ 284).

  • 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 C$ 262). Flying from Halifax to Seattle in December is currently the most expensive (average of C$ 353). 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
Leavenworth
SeaTac
Tukwila
Tacoma
Bothell
Cashmere
Renton
Olympia
Marysville
Lynnwood

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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 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 19 September 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 420AverageC$ 625FlexibilityNo cancel feeOn-time60%
Search WestJet flights
United AirlinesCheapestC$ 495AverageC$ 663FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 500AverageC$ 659FlexibilityNo 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.

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