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Cheap flights from Halifax to Seattle from C$ 214

YHZ — SEA
10 Oct — 17 Oct1
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

Thu 5/116:30 a.m. -
1 stop11h 10m
Sun 8/112:30 p.m. -
1 stop11h 10m
Deal found 9/9C$ 401
Tue 1/125:10 a.m. -
2 stops13h 27m
Thu 3/127:45 a.m. -
1 stop10h 53m
Deal found 8/9C$ 403
Fri 2/109:50 a.m. -
2 stops12h 55m
Sun 4/1010:30 a.m. -
1 stop17h 40m
Deal found 5/9C$ 404
Tue 20/108:05 a.m. -
1 stop10h 17m
Sat 24/105:50 a.m. -
2 stops10h 30m
Deal found 5/9C$ 414
Mon 19/109:50 a.m. -
2 stops12h 55m
Fri 23/107:35 p.m. -
1 stop8h 35m
Deal found 8/9C$ 416
Tue 20/107:00 a.m. -
1 stop18h 55m
Sat 24/1010:48 p.m. -
1 stop10h 36m
Deal found 6/9C$ 418
Fri 23/102:50 p.m. -
2 stops12h 09m
Fri 30/1012:20 p.m. -
3 stops21h 04m
Deal found 10/9C$ 433

Find flight deals from Halifax to Seattle

Round-trip from

C$ 401

One-way from

C$ 214

Popular in

January

Cheapest in

August

Average price

C$ 520
WestJet
  • WestJet
  • 5/11-8/11
  • 2 total stops
  • 22h 20m total
  • Halifax to Seattle
Search Deals
WestJet
  • WestJet
  • 27/9-31/12
  • 2 total stops
  • 12h 55m total
  • Halifax to Seattle
Search Deals
Highest demand for flights based on searches. 24% potential increase in price (C$ 279 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 39 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2026
Search Deals

Cheapflights Fare Finder

 
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 Halifax Intl - SEA Seattle/Tacoma Intl

YHZSEA

Halifax Intl

Wed 28/10

5:15 a.m.-2:37 p.m.

2 stops13h 22m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-4:00 a.m.

Nonstop0h 00m

C$ 244

HalifaxSeattle

YHZ Halifax Intl - SEA Seattle/Tacoma Intl

YHZSEA

Halifax Intl

Thu 1/10

7:00 a.m.-7:03 p.m.

2 stops16h 03m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-4:00 a.m.

Nonstop0h 00m

C$ 247

HalifaxSeattle

YHZ Halifax Intl - SEA Seattle/Tacoma Intl

YHZSEA

Halifax Intl

Fri 2/10

7:00 a.m.-6:19 p.m.

1 stop15h 19m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-4:00 a.m.

Nonstop0h 00m

C$ 247

HalifaxSeattle

YHZ Halifax Intl - SEA Seattle/Tacoma Intl

YHZSEA

Halifax Intl

Wed 14/10

7:00 a.m.-6:19 p.m.

1 stop15h 19m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-4:00 a.m.

Nonstop0h 00m

C$ 252

HalifaxSeattle

YHZ Halifax Intl - SEA Seattle/Tacoma Intl

YHZSEA

Halifax Intl

Tue 13/10

7:00 a.m.-9:55 p.m.

1 stop18h 55m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-4:00 a.m.

Nonstop0h 00m

C$ 252

HalifaxSeattle

YHZ Halifax Intl - SEA Seattle/Tacoma Intl

YHZSEA

Halifax Intl

Tue 5/1

6:15 a.m.-1:40 p.m.

2 stops35h 25m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-4:00 a.m.

Nonstop0h 00m

C$ 263

HalifaxSeattle

YHZ Halifax Intl - SEA Seattle/Tacoma Intl

YHZSEA

Halifax Intl

Tue 15/9

2:50 p.m.-11:57 a.m.

2 stops25h 07m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-4:00 a.m.

Nonstop0h 00m

C$ 285

HalifaxSeattle

YHZ Halifax Intl - SEA Seattle/Tacoma Intl

YHZSEA

Halifax Intl

Wed 28/10

5:00 a.m.-8:56 p.m.

3 stops19h 56m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-4:00 a.m.

Nonstop0h 00m

C$ 301
Quickest round-trip

HalifaxSeattle

YHZ Halifax Intl - SEA Seattle/Tacoma Intl

YHZSEA

Halifax Intl

Tue 5/1

6:30 a.m.-1:40 p.m.

1 stop11h 10m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-4:00 a.m.

Nonstop0h 00m

C$ 317

HalifaxSeattle

YHZ Halifax Intl - SEA Seattle/Tacoma Intl

YHZSEA

Halifax Intl

Tue 20/10

7:00 a.m.-9:55 p.m.

1 stop18h 55m

Seattle/Tacoma Intl

Sat 24/10

10:48 p.m.-1:24 p.m.

1 stop10h 36m

C$ 418

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/9

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

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$ 383). Flying from Halifax to Seattle in January is currently the most expensive (average of C$ 924). 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?

Airfare is below average for this route at the moment.

Halifax to Seattle flights typically cost between C$ 421 and C$ 640 in November.
The cheapest round-trip price found within the last 5 days was C$ 401 on WestJet (5 Nov-8 Nov).

Reviews of airlines servicing Seattle

Check out reviews from past customers who have flown with WestJet and Air 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.
WestJet
7.2
Good
3,445 reviews
Check prices

Entertainment

6.1

Boarding

7.4

Food

6.2

Overall

7.2

Comfort

7.1

Crew

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2026

YHZ - DTW

Better snacks I also flew Delta much better with movies and entertainment
WestJet
7.2
Good
3,445 reviews
WestJet
7.2
Good
3,445 reviews
Check prices

Entertainment

6.1

Boarding

7.4

Food

6.2

Overall

7.2

Comfort

7.1

Crew

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2026

YHZ - DTW

Better snacks I also flew Delta much better with movies and entertainment
Air Canada
7.1
Good
11,609 reviews
WestJet
7.2
Good
3,445 reviews
Check prices

Entertainment

6.1

Boarding

7.4

Food

6.2

Overall

7.2

Comfort

7.1

Crew

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2026

YHZ - DTW

Better snacks I also flew Delta much better with movies and entertainment

Related info for your journey

  • How long is the flight from Halifax to Seattle?

    Airlines like United Airlines fly from Halifax to Seattle in about 18h 55m. 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$ 245. Another option worth looking into is Air Canada, starting at C$ 490 round trip. WestJet is 60% 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$ 383). Flying from Halifax to Seattle in January is currently the most expensive (average of C$ 924). 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
Kent
Mukilteo
Leavenworth
Tacoma
Renton
Cashmere
Lynnwood
Ellensburg
Tukwila
Olympia
Marysville
Federal Way
Kirkland

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Halifax to Seattle

St John to Portland flights

Top 2 airlines flying from Halifax to Seattle

AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 245AverageC$ 445FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 490AverageC$ 665FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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

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