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Cheap flights from Halifax to Seattle from C$ 307

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Halifax to Seattle departing on 3/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Halifax to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
WestJet Logo
8:20 a.m. - 2:19 p.m.YHZ-SEA
9h 59m1 stop
WestJet Logo
3:10 p.m. - 7:28 a.m.SEA-YHZ
12h 18m1 stop
C$ 331WestJet
Find Deal
Mon, 2 Feb - Tue, 10 Feb
WestJet Logo
8:20 a.m. - 2:19 p.m.YHZ-SEA
9h 59m1 stop
WestJet Logo
3:10 p.m. - 1:41 a.m.SEA-YHZ
30h 31m2 stops
C$ 337WestJet
Find Deal
Mon, 2 Feb - Tue, 10 Feb
WestJet Logo
8:30 a.m. - 8:28 p.m.YHZ-SEA
15h 58m2 stops
WestJet Logo
2:05 p.m. - 7:13 a.m.SEA-YHZ
13h 08m1 stop
C$ 403WestJet
Find Deal
Tue, 5 May - Wed, 6 May
WestJet Logo
6:00 a.m. - 2:19 p.m.YHZ-SEA
36h 19m2 stops
WestJet Logo
3:10 p.m. - 1:41 a.m.SEA-YHZ
30h 31m2 stops
C$ 414WestJet
Find Deal
Mon, 2 Feb - Tue, 10 Feb
Air Canada Logo
3:45 p.m. - 10:16 p.m.YHZ-SEA
10h 31m2 stops
Air Canada Logo
5:40 a.m. - 9:11 p.m.SEA-YHZ
11h 31m2 stops
C$ 428Air Canada
Find Deal
Tue, 5 May - Wed, 6 May
Air Canada Logo
3:45 p.m. - 10:16 p.m.YHZ-SEA
10h 31m2 stops
Air Canada Logo
7:45 p.m. - 2:59 p.m.SEA-YHZ
15h 14m2 stops
C$ 429Air Canada
Find Deal
Tue, 5 May - Wed, 6 May
Air Canada Logo
6:00 a.m. - 1:01 p.m.YHZ-SEA
11h 01m2 stops
Air Canada Logo
7:45 p.m. - 11:09 a.m.SEA-YHZ
11h 24m2 stops
C$ 438Air Canada
Find Deal
Tue, 5 May - Wed, 6 May
WestJet Logo
8:20 a.m. - 10:21 a.m.YHZ-SEA
30h 01m2 stops
WestJet Logo
3:10 p.m. - 6:02 a.m.SEA-YHZ
34h 52m2 stops
C$ 527WestJet
Find Deal
Thu, 2 Apr - Thu, 9 Apr
WestJet Logo
8:20 a.m. - 2:35 p.m.YHZ-SEA
10h 15m1 stop
WestJet Logo
3:10 p.m. - 6:03 a.m.SEA-YHZ
10h 53m2 stops
C$ 555WestJet
Find Deal
Wed, 3 Dec - Fri, 5 Dec
United Airlines Logo
9:00 a.m. - 9:51 p.m.YHZ-SEA
16h 51m1 stop
United Airlines Logo
8:00 a.m. - 12:04 a.m.SEA-YHZ
12h 04m1 stop
C$ 618United Airlines
Find Deal
Thu, 2 Apr - Thu, 9 Apr

WestJet flights from Halifax to Seattle

Our best WestJet deals on Halifax to Seattle flight tickets
WestJet
2 Feb
YHZ8:20 a.m.Halifax Intl
9h 59m
1 stop
SEA2:19 p.m.Seattle/Tacoma Intl
10 Feb
SEA3:10 p.m.Seattle/Tacoma Intl
12h 18m
1 stop
YHZ7:28 a.m.Halifax Intl
C$ 331
Find similar
WestJet
2 Feb
YHZ8:20 a.m.Halifax Intl
9h 59m
1 stop
SEA2:19 p.m.Seattle/Tacoma Intl
10 Feb
SEA3:10 p.m.Seattle/Tacoma Intl
30h 31m
2 stops
YHZ1:41 a.m.Halifax Intl
C$ 337
Find similar
WestJet
5 May
YHZ8:30 a.m.Halifax Intl
15h 58m
2 stops
SEA8:28 p.m.Seattle/Tacoma Intl
6 May
SEA2:05 p.m.Seattle/Tacoma Intl
13h 08m
1 stop
YHZ7:13 a.m.Halifax Intl
C$ 403
Find similar

Air Canada flights from Halifax to Seattle

Our best Air Canada deals on Halifax to Seattle flight tickets
Air Canada
5 May
YHZ3:45 p.m.Halifax Intl
10h 31m
2 stops
SEA10:16 p.m.Seattle/Tacoma Intl
6 May
SEA5:40 a.m.Seattle/Tacoma Intl
11h 31m
2 stops
YHZ9:11 p.m.Halifax Intl
C$ 428
Find similar
Air Canada
5 May
YHZ3:45 p.m.Halifax Intl
10h 31m
2 stops
SEA10:16 p.m.Seattle/Tacoma Intl
6 May
SEA7:45 p.m.Seattle/Tacoma Intl
15h 14m
2 stops
YHZ2:59 p.m.Halifax Intl
C$ 429
Find similar
Air Canada
5 May
YHZ6:00 a.m.Halifax Intl
11h 01m
2 stops
SEA1:01 p.m.Seattle/Tacoma Intl
6 May
SEA7:45 p.m.Seattle/Tacoma Intl
11h 24m
2 stops
YHZ11:09 a.m.Halifax Intl
C$ 438
Find similar

momondo 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, momondo users made 96,600 searches. Data last updated 16 November 2025.
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

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Mon 2/2

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

1 stop9h 59m

Seattle/Tacoma Intl

Tue 10/2

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

1 stop12h 18m

C$ 331

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Mon 2/2

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

1 stop9h 59m

Seattle/Tacoma Intl

Tue 10/2

3:10 p.m.-1:41 a.m.

2 stops30h 31m

C$ 337

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Tue 5/5

8:30 a.m.-8:28 p.m.

2 stops15h 58m

Seattle/Tacoma Intl

Wed 6/5

2:05 p.m.-7:13 a.m.

1 stop13h 08m

C$ 403

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Mon 2/2

6:00 a.m.-2:19 p.m.

2 stops36h 19m

Seattle/Tacoma Intl

Tue 10/2

3:10 p.m.-1:41 a.m.

2 stops30h 31m

C$ 414

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Tue 5/5

3:45 p.m.-10:16 p.m.

2 stops10h 31m

Seattle/Tacoma Intl

Wed 6/5

5:40 a.m.-9:11 p.m.

2 stops11h 31m

C$ 428

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Tue 5/5

3:45 p.m.-10:16 p.m.

2 stops10h 31m

Seattle/Tacoma Intl

Wed 6/5

7:45 p.m.-2:59 p.m.

2 stops15h 14m

C$ 429

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Tue 5/5

6:00 a.m.-1:01 p.m.

2 stops11h 01m

Seattle/Tacoma Intl

Wed 6/5

7:45 p.m.-11:09 a.m.

2 stops11h 24m

C$ 438

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Thu 2/4

8:20 a.m.-10:21 a.m.

2 stops30h 01m

Seattle/Tacoma Intl

Thu 9/4

3:10 p.m.-6:02 a.m.

2 stops34h 52m

C$ 527

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Wed 3/12

8:20 a.m.-2:35 p.m.

1 stop10h 15m

Seattle/Tacoma Intl

Fri 5/12

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

2 stops10h 53m

C$ 555

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Thu 2/4

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

1 stop16h 51m

Seattle/Tacoma Intl

Thu 9/4

8:00 a.m.-12:04 a.m.

1 stop12h 04m

C$ 618

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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See travel insights to Seattle from

How to get the cheapest flight ticket from Halifax to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Seattle?

If you aren’t able to travel to Seattle during the month of February, then flying in June is also cheap. Prices for this month can be found on momondo for an average of C$ 579.

What is the cheapest day to depart on your flight to Seattle?

Our data shows that Sunday is the least expensive day to fly to Seattle. Tickets to fly out on this day can be as low as C$ 437. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around C$ 676. These prices are subject to change though, so be sure to set up a Price Alert for flights to Seattle.

What is the cheapest time of day to depart on your flight to Seattle?

Our most recent data shows that the best time of day to fly to Seattle is in the evening. Flights from Halifax to Seattle during this time can be as low as C$ 489. Flights at noon are often more expensive with an average ticket price of C$ 777.

When to book flights from Halifax to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Halifax to Seattle according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Halifax to Seattle (YHZ to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Halifax to Seattle

Direct flights

None
There are no direct flights from Halifax to Seattle. There are no popular flight routes from Halifax to Seattle.
Search flight deals

  • How far is Halifax Intl to Seattle/Tacoma Intl by plane?

    The straight-line distance from Halifax Intl to Seattle/Tacoma Intl is 4428.0 km. 9h 59m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Halifax Intl Airport to Seattle/Tacoma Intl Airport?

    Prices for flights from Halifax Intl Airport to Seattle/Tacoma Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Halifax Intl Airport to Seattle/Tacoma Intl Airport?

  • How old do you have to be to fly from Halifax Intl Airport to Seattle/Tacoma Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Halifax Intl Airport to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Halifax to Seattle?

Best airlines flying from Halifax to Seattle

Compare and see reviews for airlines that fly from Halifax to Seattle with momondo
Airline
Rating
Free Cancellation
Price
WestJetPriceFrom C$ 428Free CancellationRating
7.2
3,162 reviews
Search WestJet flights
Air CanadaPriceFrom C$ 522Free CancellationRating
7.1
10,454 reviews
Search Air Canada flights
United AirlinesPriceFrom C$ 560Free CancellationRating
7.4
9,016 reviews
Search United Airlines flights

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Leavenworth
Lynnwood
Marysville
Tacoma
SeaTac
Kirkland
Olympia
Ocean Shores
Redmond
Ellensburg
Gig Harbor
Renton
Mukilteo
Cle Elum
Centralia
Federal Way
Shelton
Puyallup
Lakewood
Kent

Why use momondo?

Why should I use momondo to find a flight deal from Halifax to Seattle?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Halifax to Seattle. momondo saves you time and could save you money on your trip.

Can I find flights from Halifax to Seattle with flexible booking policies on momondo?

Yes. All flights to Seattle from Halifax on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Halifax to Seattle?

Once all potential Halifax to Seattle flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Halifax to Seattle right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Seattle, momondo offers a useful price alert feature which will track prices for flights to Seattle from Halifax and alert you when they change.

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