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Cheap flights from Halifax to Seattle from C$ 292

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 14/12. Fares are subject to change and may not be available on all flights or dates of travel.
YHZ — SEA
29 Nov — 6 Dec1
1 adult
1 adult, Economy, 0 bags

Find 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 30 October 2025.

Thu 27/115:35 a.m.YHZ - SEA
2 stops12h 56mAir Canada
Mon 1/128:10 a.m.SEA - YHZ
1 stop10h 01mAir Canada
Deal found 28/10C$ 637
Wed 24/124:00 p.m.YHZ - SEA
1 stop10h 16mAir Canada
Mon 5/18:10 a.m.SEA - YHZ
1 stop10h 16mAir Canada
Deal found 30/10C$ 728
Thu 27/118:20 a.m.YHZ - SEA
1 stop10h 00mMultiple Airlines
Mon 1/127:57 a.m.SEA - YHZ
1 stop13h 45mMultiple Airlines
Deal found 28/10C$ 739
Mon 22/126:55 a.m.YHZ - SEA
2 stops19h 21mAir Canada
Sun 4/18:10 a.m.SEA - YHZ
1 stop10h 16mAir Canada
Deal found 29/10C$ 775
Wed 24/121:15 p.m.YHZ - SEA
3 stops27h 34mUnited Airlines
Mon 5/11:43 p.m.SEA - YHZ
2 stops22h 31mUnited Airlines
Deal found 30/10C$ 799
Wed 24/124:00 p.m.YHZ - SEA
2 stops24h 03mMultiple Airlines
Mon 5/18:10 a.m.SEA - YHZ
2 stops12h 11mMultiple Airlines
Deal found 30/10C$ 845
Mon 22/127:00 a.m.YHZ - SEA
2 stops19h 47mUnited Airlines
Sun 4/111:15 p.m.SEA - YHZ
2 stops19h 11mUnited Airlines
Deal found 30/10C$ 899
Thu 27/116:00 a.m.YHZ - SEA
2 stops14h 46mWestJet
Mon 1/121:30 p.m.SEA - YHZ
3 stops12h 33mWestJet
Deal found 28/10C$ 965

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 30 October 2025.

Round-trip from

C$ 637

One-way from

C$ 292

Popular in

October

Cheapest in

February

Average price

C$ 934
Air Canada
  • Air Canada
  • 27/11-1/12
  • 3 total stops
  • 22h 57m total
  • Halifax to Seattle
Search Deals
14/12
  • 14/12
  • 2 total stops
  • 31h 08m total
  • Halifax to Seattle
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (C$ 121 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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 30 October 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 24/12

4:00 p.m.-10:16 p.m.

1 stop10h 16m

Seattle/Tacoma Intl

Mon 5/1

8:10 a.m.-10:26 p.m.

1 stop10h 16m

C$ 728

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Thu 27/11

8:20 a.m.-2:20 p.m.

1 stop10h 00m

Seattle/Tacoma Intl

Mon 1/12

7:57 a.m.-1:42 a.m.

1 stop13h 45m

C$ 739

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Mon 22/12

6:55 a.m.-10:16 p.m.

2 stops19h 21m

Seattle/Tacoma Intl

Sun 4/1

8:10 a.m.-10:26 p.m.

1 stop10h 16m

C$ 775

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Wed 24/12

1:15 p.m.-12:49 p.m.

3 stops27h 34m

Seattle/Tacoma Intl

Mon 5/1

1:43 p.m.-4:14 p.m.

2 stops22h 31m

C$ 799

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Wed 24/12

4:00 p.m.-12:03 p.m.

2 stops24h 03m

Seattle/Tacoma Intl

Mon 5/1

8:10 a.m.-12:21 a.m.

2 stops12h 11m

C$ 845

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Mon 22/12

7:00 a.m.-10:47 p.m.

2 stops19h 47m

Seattle/Tacoma Intl

Sun 4/1

11:15 p.m.-10:26 p.m.

2 stops19h 11m

C$ 899

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Sun 14/12

8:45 a.m.-11:53 a.m.

2 stops31h 08m

C$ 292

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Sun 9/11

6:35 p.m.-10:22 a.m.

3 stops19h 47m

C$ 577

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Tue 4/11

11:35 a.m.-5:06 p.m.

2 stops33h 31m

C$ 620

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Wed 5/11

6:10 p.m.-4:44 p.m.

2 stops26h 34m

C$ 649

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/10

Showing 1-10 of 15 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, August is the cheapest month in which you can book a flight from Halifax to Seattle (average of C$ 367). Flying from Halifax to Seattle in December is currently the most expensive (average of C$ 670). 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 30 October 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 37% on your trip compared to booking a flight at noon.

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 30 October 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
8,998 reviews
Check prices

Comfort

7.3

Entertainment

7.1

Crew

8.1

Overall

7.4

Boarding

7.7

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
8,998 reviews
United Airlines
7.4
Good
8,998 reviews
Check prices

Comfort

7.3

Entertainment

7.1

Crew

8.1

Overall

7.4

Boarding

7.7

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
WestJet
7.2
Good
3,152 reviews
United Airlines
7.4
Good
8,998 reviews
Check prices

Comfort

7.3

Entertainment

7.1

Crew

8.1

Overall

7.4

Boarding

7.7

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Air Canada
7.1
Good
10,381 reviews
United Airlines
7.4
Good
8,998 reviews
Check prices

Comfort

7.3

Entertainment

7.1

Crew

8.1

Overall

7.4

Boarding

7.7

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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 Air Canada fly from Halifax to Seattle in about 12h 56m. 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$ 426. Additional round-trip tickets that might be worth considering are offered by Air Canada and United Airlines, with the lowest prices starting at C$ 520 and C$ 558, respectively. WestJet is 36% 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, August is the cheapest month in which you can book a flight from Halifax to Seattle (average of C$ 367). Flying from Halifax to Seattle in December is currently the most expensive (average of C$ 670). 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
Mukilteo
Bothell
Cashmere
Olympia
Renton
Marysville
Lynnwood

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 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 30 October 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 426AverageC$ 613FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 520AverageC$ 682FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 558AverageC$ 665FlexibilityNo cancel feeOn-time69%
Search United Airlines 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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