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Cheap flights from Halifax to Seattle from C$ 220

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 28/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Find the cheapest flights from Halifax to Seattle

Cheap round-trip flights

United Airlines Logo
7:00 a.m. - 6:45 p.m.YHZ-SEA
15h 45m2 stops
United Airlines Logo
10:55 p.m. - 3:49 p.m.SEA-YHZ
12h 54m2 stops
C$ 424United Airlines
Find Deal
Sat, 4 Oct - Tue, 7 Oct
Air Canada Logo
5:25 a.m. - 10:59 a.m.YHZ-SEA
9h 34m1 stop
Air Canada Logo
7:15 p.m. - 8:26 a.m.SEA-YHZ
9h 11m1 stop
C$ 425Air Canada
Find Deal
Sat, 4 Oct - Mon, 6 Oct
Air Canada Logo
5:35 a.m. - 2:31 p.m.YHZ-SEA
12h 56m2 stops
Air Canada Logo
5:50 a.m. - 7:44 p.m.SEA-YHZ
9h 54m2 stops
C$ 439Air Canada
Find Deal
Tue, 2 Dec - Tue, 9 Dec
Air Canada Logo
4:00 p.m. - 10:16 p.m.YHZ-SEA
10h 16m1 stop
Air Canada Logo
5:50 a.m. - 7:44 p.m.SEA-YHZ
9h 54m2 stops
C$ 440Air Canada
Find Deal
Sat, 29 Nov - Tue, 9 Dec
Air Canada Logo
4:00 p.m. - 10:16 p.m.YHZ-SEA
10h 16m1 stop
Air Canada Logo
8:15 a.m. - 10:06 p.m.SEA-YHZ
9h 51m1 stop
C$ 442Air Canada
Find Deal
Sat, 29 Nov - Tue, 9 Dec
Air Canada Logo
11:20 a.m. - 10:16 p.m.YHZ-SEA
14h 56m2 stops
Air Canada Logo
10:05 a.m. - 12:21 a.m.SEA-YHZ
10h 16m2 stops
C$ 447Air Canada
Find Deal
Sat, 29 Nov - Tue, 9 Dec
WestJet Logo
8:05 p.m. - 12:35 p.m.YHZ-SEA
44h 30m2 stops
WestJet Logo
8:40 a.m. - 9:43 p.m.SEA-YHZ
9h 03m1 stop
C$ 465WestJet
Find Deal
Fri, 10 Oct - Fri, 17 Oct
WestJet Logo
8:05 p.m. - 12:35 p.m.YHZ-SEA
44h 30m2 stops
WestJet Logo
1:50 p.m. - 5:59 a.m.SEA-YHZ
12h 09m2 stops
C$ 472WestJet
Find Deal
Fri, 10 Oct - Fri, 17 Oct
Air Canada Logo
9:00 a.m. - 10:16 p.m.YHZ-SEA
17h 16m1 stop
Air Canada Logo
5:50 a.m. - 7:44 p.m.SEA-YHZ
9h 54m2 stops
C$ 473Air Canada
Find Deal
Sun, 30 Nov - Tue, 9 Dec
WestJet Logo
8:05 p.m. - 7:21 p.m.YHZ-SEA
27h 16m1 stop
WestJet Logo
8:40 a.m. - 9:43 p.m.SEA-YHZ
9h 03m1 stop
C$ 544WestJet
Find Deal
Fri, 10 Oct - Fri, 17 Oct

Air Canada flights from Halifax to Seattle

Our best Air Canada deals on Halifax to Seattle flight tickets
Air Canada
4 Oct
YHZ5:25 a.m.Halifax Intl
9h 34m
1 stop
SEA10:59 a.m.Seattle/Tacoma Intl
6 Oct
SEA7:15 p.m.Seattle/Tacoma Intl
9h 11m
1 stop
YHZ8:26 a.m.Halifax Intl
C$ 425
Find similar
Air Canada
2 Dec
YHZ5:35 a.m.Halifax Intl
12h 56m
2 stops
SEA2:31 p.m.Seattle/Tacoma Intl
9 Dec
SEA5:50 a.m.Seattle/Tacoma Intl
9h 54m
2 stops
YHZ7:44 p.m.Halifax Intl
C$ 439
Find similar
Air Canada
29 Nov
YHZ4:00 p.m.Halifax Intl
10h 16m
1 stop
SEA10:16 p.m.Seattle/Tacoma Intl
9 Dec
SEA5:50 a.m.Seattle/Tacoma Intl
9h 54m
2 stops
YHZ7:44 p.m.Halifax Intl
C$ 440
Find similar

WestJet flights from Halifax to Seattle

Our best WestJet deals on Halifax to Seattle flight tickets
WestJet
10 Oct
YHZ8:05 p.m.Halifax Intl
44h 30m
2 stops
SEA12:35 p.m.Seattle/Tacoma Intl
17 Oct
SEA8:40 a.m.Seattle/Tacoma Intl
9h 03m
1 stop
YHZ9:43 p.m.Halifax Intl
C$ 465
Find similar
WestJet
10 Oct
YHZ8:05 p.m.Halifax Intl
44h 30m
2 stops
SEA12:35 p.m.Seattle/Tacoma Intl
17 Oct
SEA1:50 p.m.Seattle/Tacoma Intl
12h 09m
2 stops
YHZ5:59 a.m.Halifax Intl
C$ 472
Find similar
WestJet
10 Oct
YHZ8:05 p.m.Halifax Intl
27h 16m
1 stop
SEA7:21 p.m.Seattle/Tacoma Intl
17 Oct
SEA8:40 a.m.Seattle/Tacoma Intl
9h 03m
1 stop
YHZ9:43 p.m.Halifax Intl
C$ 544
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 15 September 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

Sat 4/10

7:00 a.m.-6:45 p.m.

2 stops15h 45m

Seattle/Tacoma Intl

Tue 7/10

10:55 p.m.-3:49 p.m.

2 stops12h 54m

C$ 424

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Sat 4/10

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

1 stop9h 34m

Seattle/Tacoma Intl

Mon 6/10

7:15 p.m.-8:26 a.m.

1 stop9h 11m

C$ 425

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Tue 2/12

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

2 stops12h 56m

Seattle/Tacoma Intl

Tue 9/12

5:50 a.m.-7:44 p.m.

2 stops9h 54m

C$ 439

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Sat 29/11

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

1 stop10h 16m

Seattle/Tacoma Intl

Tue 9/12

5:50 a.m.-7:44 p.m.

2 stops9h 54m

C$ 440

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Sat 29/11

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

1 stop10h 16m

Seattle/Tacoma Intl

Tue 9/12

8:15 a.m.-10:06 p.m.

1 stop9h 51m

C$ 442

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Sat 29/11

11:20 a.m.-10:16 p.m.

2 stops14h 56m

Seattle/Tacoma Intl

Tue 9/12

10:05 a.m.-12:21 a.m.

2 stops10h 16m

C$ 447

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Fri 10/10

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

2 stops44h 30m

Seattle/Tacoma Intl

Fri 17/10

8:40 a.m.-9:43 p.m.

1 stop9h 03m

C$ 465

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Fri 10/10

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

2 stops44h 30m

Seattle/Tacoma Intl

Fri 17/10

1:50 p.m.-5:59 a.m.

2 stops12h 09m

C$ 472

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Sun 30/11

9:00 a.m.-10:16 p.m.

1 stop17h 16m

Seattle/Tacoma Intl

Tue 9/12

5:50 a.m.-7:44 p.m.

2 stops9h 54m

C$ 473

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Fri 10/10

8:05 p.m.-7:21 p.m.

1 stop27h 16m

Seattle/Tacoma Intl

Fri 17/10

8:40 a.m.-9:43 p.m.

1 stop9h 03m

C$ 544

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 October, then flying in February is also cheap. Prices for this month can be found on momondo for an average of C$ 537.

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$ 432. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around C$ 667. 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$ 483. Flights at noon are often more expensive with an average ticket price of C$ 767.

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.
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  • 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 34m 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$ 422Free CancellationRating
7.2
3,091 reviews
Search WestJet flights
United AirlinesPriceFrom C$ 497Free CancellationRating
7.4
8,931 reviews
Search United Airlines flights
Air CanadaPriceFrom C$ 502Free CancellationRating
7.1
10,000 reviews
Search Air Canada 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
Redmond
Olympia
Ocean Shores
Shoreline
Ellensburg
Tukwila
Gig Harbor
Renton
Mukilteo
Cle Elum
Poulsbo
Puyallup
Federal Way
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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