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Cheap flights from Halifax to Seattle from C$ 237

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 11/2. Fares are subject to change and may not be available on all flights or dates of travel.
YHZ — SEA
4 Feb — 11 Feb1
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 5 January 2026.

Thu 16/48:20 a.m.YHZ - SEA
1 stop9h 59mWestJet
Tue 21/43:10 p.m.SEA - YHZ
2 stops34h 52mWestJet
Deal found 5/1C$ 336
Fri 23/15:35 a.m.YHZ - SEA
2 stops12h 56mAir Canada
Tue 27/18:00 p.m.SEA - YHZ
2 stops11h 04mAir Canada
Deal found 5/1C$ 402
Sat 24/13:15 p.m.YHZ - SEA
2 stops24h 26mUnited Airlines
Mon 26/112:35 p.m.SEA - YHZ
2 stops21h 56mUnited Airlines
Deal found 4/1C$ 446
Fri 23/110:40 p.m.YHZ - SEA
1 stop24h 37mMultiple Airlines
Tue 27/17:55 a.m.SEA - YHZ
1 stop13h 46mMultiple Airlines
Deal found 5/1C$ 454
Mon 30/37:00 a.m.YHZ - SEA
1 stop18h 51mAir Canada
Tue 31/35:50 a.m.SEA - YHZ
2 stops9h 55mAir Canada
Deal found 4/1C$ 458
Sat 24/14:00 p.m.YHZ - SEA
1 stop10h 16mAir Canada
Mon 26/18:10 a.m.SEA - YHZ
1 stop10h 16mAir Canada
Deal found 4/1C$ 461
Mon 30/38:20 a.m.YHZ - SEA
1 stop9h 59mWestJet
Tue 31/33:10 p.m.SEA - YHZ
1 stop12h 18mWestJet
Deal found 4/1C$ 498
Fri 3/45:05 a.m.YHZ - SEA
2 stops13h 58mAir Canada
Sat 11/48:00 p.m.SEA - YHZ
2 stops11h 00mAir Canada
Deal found 5/1C$ 558

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 5 January 2026.

Round-trip from

C$ 336

One-way from

C$ 237

Popular in

October

Cheapest in

February

Average price

C$ 608
WestJet
  • WestJet
  • 16/4-21/4
  • 3 total stops
  • 44h 51m total
  • Halifax to Seattle
Search Deals
Air Canada
  • Air Canada
  • 11/2
  • 2 total stops
  • 12h 56m total
  • Halifax to Seattle
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (C$ 170 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 49 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 5 January 2026.
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

Thu 16/4

8:20 a.m.-2:19 p.m.

1 stop9h 59m

Seattle/Tacoma Intl

Tue 21/4

3:10 p.m.-7:28 a.m.

1 stop12h 18m

C$ 340

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Fri 23/1

5:35 a.m.-2:31 p.m.

2 stops12h 56m

Seattle/Tacoma Intl

Tue 27/1

8:00 p.m.-11:04 a.m.

2 stops11h 04m

C$ 402

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Sat 24/1

3:15 p.m.-11:41 a.m.

2 stops24h 26m

Seattle/Tacoma Intl

Mon 26/1

11:45 p.m.-2:31 p.m.

1 stop10h 46m

C$ 446

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Fri 23/1

10:40 p.m.-7:17 p.m.

1 stop24h 37m

Seattle/Tacoma Intl

Tue 27/1

7:55 a.m.-1:41 a.m.

1 stop13h 46m

C$ 454

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Mon 30/3

9:00 a.m.-9:51 p.m.

2 stops16h 51m

Seattle/Tacoma Intl

Tue 31/3

5:50 a.m.-7:45 p.m.

2 stops9h 55m

C$ 458

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Sat 24/1

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

1 stop10h 16m

Seattle/Tacoma Intl

Mon 26/1

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

1 stop10h 16m

C$ 461

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Mon 30/3

8:20 a.m.-2:19 p.m.

1 stop9h 59m

Seattle/Tacoma Intl

Tue 31/3

3:10 p.m.-5:15 p.m.

1 stop22h 05m

C$ 498

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Wed 11/2

5:35 a.m.-2:31 p.m.

2 stops12h 56m

C$ 237

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Mon 16/2

8:20 a.m.-2:19 p.m.

1 stop9h 59m

C$ 256

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Mon 16/2

10:40 p.m.-2:19 p.m.

2 stops19h 39m

C$ 257

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Showing 1-10 of 16 results
1
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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$ 362). Flying from Halifax to Seattle in January is currently the most expensive (average of C$ 599). 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.

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 5 January 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
9,132 reviews
Check prices

Food

6.6

Overall

7.4

Entertainment

7.1

Boarding

7.7

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Michelle,Dec 2025

DEN - MKE

I liked that the plane waited 5 minutes for a family whose incoming plane was late. This was the last flight of the day to MKE. Flight attendants actually checked in throughout the flight. Although, not really friendly. Happy to see screens on seat backs again. This is my first time not flying first class in over 10 years. It was economy plus.
United Airlines
7.4
Good
9,132 reviews
United Airlines
7.4
Good
9,132 reviews
Check prices

Food

6.6

Overall

7.4

Entertainment

7.1

Boarding

7.7

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Michelle,Dec 2025

DEN - MKE

I liked that the plane waited 5 minutes for a family whose incoming plane was late. This was the last flight of the day to MKE. Flight attendants actually checked in throughout the flight. Although, not really friendly. Happy to see screens on seat backs again. This is my first time not flying first class in over 10 years. It was economy plus.
WestJet
7.2
Good
3,235 reviews
United Airlines
7.4
Good
9,132 reviews
Check prices

Food

6.6

Overall

7.4

Entertainment

7.1

Boarding

7.7

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Michelle,Dec 2025

DEN - MKE

I liked that the plane waited 5 minutes for a family whose incoming plane was late. This was the last flight of the day to MKE. Flight attendants actually checked in throughout the flight. Although, not really friendly. Happy to see screens on seat backs again. This is my first time not flying first class in over 10 years. It was economy plus.
Air Canada
7.1
Good
10,597 reviews
United Airlines
7.4
Good
9,132 reviews
Check prices

Food

6.6

Overall

7.4

Entertainment

7.1

Boarding

7.7

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Michelle,Dec 2025

DEN - MKE

I liked that the plane waited 5 minutes for a family whose incoming plane was late. This was the last flight of the day to MKE. Flight attendants actually checked in throughout the flight. Although, not really friendly. Happy to see screens on seat backs again. This is my first time not flying first class in over 10 years. It was economy plus.

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, Air Canada, and United Airlines fly from Halifax to Seattle in about 9h 59m. The time it takes to get you to your destination can typically vary by up to 14h 27m. 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$ 272. Additional round-trip tickets that might be worth considering are offered by United Airlines and Air Canada, with the lowest prices starting at C$ 516 and C$ 529, respectively. WestJet is 58% 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$ 362). Flying from Halifax to Seattle in January is currently the most expensive (average of C$ 599). 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
Mukilteo
Tacoma
Kent
Tukwila
Bothell
Cashmere
Olympia
Renton
Marysville
Lynnwood
Kirkland

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 5 January 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 272AverageC$ 519FlexibilityNo cancel feeOn-time60%
Search WestJet flights
United AirlinesCheapestC$ 516AverageC$ 656FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 529AverageC$ 669FlexibilityNo 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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