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Cheap flights from Halifax to Seattle from C$ 205

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 4/10. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Halifax to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
WestJet Logo
9:50 a.m. - 6:45 p.m.YHZ  Halifax Intl-SEA Seattle/Tacoma Intl
12h 55m2 stops Edmonton Calgary
WestJet Logo
7:35 p.m. - 8:10 a.m.SEA  Seattle/Tacoma Intl-YHZ Halifax Intl
8h 35m1 stop Calgary
C$ 343WestJet
Mon, 14 Sep - Sat, 19 Sep
WestJet Logo
9:50 a.m. - 6:45 p.m.YHZ  Halifax Intl-SEA Seattle/Tacoma Intl
12h 55m2 stops Edmonton Calgary
WestJet Logo
7:35 p.m. - 8:10 a.m.SEA  Seattle/Tacoma Intl-YHZ Halifax Intl
8h 35m1 stop Calgary
C$ 346WestJet
Wed, 9 Sep - Wed, 16 Sep
WestJet Logo
9:50 a.m. - 6:45 p.m.YHZ  Halifax Intl-SEA Seattle/Tacoma Intl
12h 55m2 stops Edmonton Calgary
WestJet Logo
7:35 p.m. - 8:10 a.m.SEA  Seattle/Tacoma Intl-YHZ Halifax Intl
8h 35m1 stop Calgary
C$ 346WestJet
Wed, 16 Sep - Wed, 23 Sep
WestJet Logo
9:50 a.m. - 6:45 p.m.YHZ  Halifax Intl-SEA Seattle/Tacoma Intl
12h 55m2 stops Edmonton Calgary
WestJet Logo
7:35 p.m. - 10:45 a.m.SEA  Seattle/Tacoma Intl-YHZ Halifax Intl
11h 10m2 stops Calgary Toronto Pearson Intl
C$ 352WestJet
Mon, 14 Sep - Sat, 19 Sep
United Airlines Logo
7:00 a.m. - 6:46 p.m.YHZ  Halifax Intl-SEA Seattle/Tacoma Intl
15h 46m1 stop Newark
United Airlines Logo
7:30 a.m. - 11:55 p.m.SEA  Seattle/Tacoma Intl-YHZ Halifax Intl
12h 25m1 stop Newark
C$ 419United Airlines
Sat, 19 Sep - Wed, 23 Sep
Air Canada Logo
5:15 a.m. - 2:22 p.m.YHZ  Halifax Intl-SEA Seattle/Tacoma Intl
13h 07m2 stops Toronto Pearson Intl Vancouver Intl
Air Canada Logo
7:20 p.m. - 11:50 a.m.SEA  Seattle/Tacoma Intl-YHZ Halifax Intl
12h 30m2 stops Vancouver Intl Ottawa
C$ 422Air Canada
Wed, 2 Sep - Sat, 5 Sep
Air Canada Logo
4:10 p.m. - 9:07 p.m.YHZ  Halifax Intl-SEA Seattle/Tacoma Intl
8h 57m1 stop Toronto Pearson Intl
Air Canada Logo
7:20 p.m. - 11:50 a.m.SEA  Seattle/Tacoma Intl-YHZ Halifax Intl
12h 30m2 stops Vancouver Intl Ottawa
C$ 422Air Canada
Wed, 2 Sep - Sat, 5 Sep
Delta Logo
2:15 p.m. - 10:20 p.m.YHZ  Halifax Intl-SEA Seattle/Tacoma Intl
12h 05m1 stop Boston Logan Intl
Delta Logo
11:08 p.m. - 1:25 p.m.SEA  Seattle/Tacoma Intl-YHZ Halifax Intl
10h 17m1 stop Boston Logan Intl
C$ 430Delta
Sat, 5 Sep - Fri, 11 Sep
Air Canada Logo
4:10 p.m. - 9:04 p.m.YHZ  Halifax Intl-SEA Seattle/Tacoma Intl
8h 54m1 stop Toronto Pearson Intl
Air Canada Logo
8:00 a.m. - 8:04 p.m.SEA  Seattle/Tacoma Intl-YHZ Halifax Intl
8h 04m1 stop Toronto Pearson Intl
C$ 430Air Canada
Wed, 23 Sep - Tue, 29 Sep
United Airlines Logo
7:00 a.m. - 11:00 p.m.YHZ  Halifax Intl-SEA Seattle/Tacoma Intl
20h 00m2 stops Newark Houston George Bush Intcntl
United Airlines Logo
8:30 a.m. - 1:24 p.m.SEA  Seattle/Tacoma Intl-YHZ Halifax Intl
24h 54m2 stops Denver Intl Newark
C$ 444United Airlines
Wed, 21 Oct - Wed, 28 Oct

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United Airlines flights from Halifax to Seattle

Our best United Airlines deals on Halifax to Seattle flight tickets
United Airlines
19 Sep
YHZ7:00 a.m.Halifax Intl
15h 46m
1 stop
SEA6:46 p.m.Seattle/Tacoma Intl
23 Sep
SEA7:30 a.m.Seattle/Tacoma Intl
12h 25m
1 stop
YHZ11:55 p.m.Halifax Intl
C$ 419
United Airlines
19 Oct
YHZ12:20 p.m.Halifax Intl
25h 16m
2 stops
SEA9:36 a.m.Seattle/Tacoma Intl
26 Oct
SEA12:20 p.m.Seattle/Tacoma Intl
23h 38m
3 stops
YHZ3:58 p.m.Halifax Intl
C$ 590
United Airlines
12 Aug
YHZ7:00 a.m.Halifax Intl
18h 36m
2 stops
SEA9:36 p.m.Seattle/Tacoma Intl
30 Sep
SEA5:00 a.m.Seattle/Tacoma Intl
14h 55m
2 stops
YHZ11:55 p.m.Halifax Intl
C$ 640

WestJet flights from Halifax to Seattle

Our best WestJet deals on Halifax to Seattle flight tickets
WestJet
14 Sep
YHZ9:50 a.m.Halifax Intl
12h 55m
2 stops
SEA6:45 p.m.Seattle/Tacoma Intl
19 Sep
SEA7:35 p.m.Seattle/Tacoma Intl
8h 35m
1 stop
YHZ8:10 a.m.Halifax Intl
C$ 343
WestJet
9 Sep
YHZ9:50 a.m.Halifax Intl
12h 55m
2 stops
SEA6:45 p.m.Seattle/Tacoma Intl
16 Sep
SEA7:35 p.m.Seattle/Tacoma Intl
8h 35m
1 stop
YHZ8:10 a.m.Halifax Intl
C$ 346
WestJet
14 Sep
YHZ9:50 a.m.Halifax Intl
12h 55m
2 stops
SEA6:45 p.m.Seattle/Tacoma Intl
19 Sep
SEA7:35 p.m.Seattle/Tacoma Intl
11h 10m
2 stops
YHZ10:45 a.m.Halifax Intl
C$ 352

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 6 August 2026.
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

Mon 14/9

9:50 a.m.-6:45 p.m.

2 stops12h 55m

Seattle/Tacoma Intl

Sat 19/9

7:35 p.m.-8:10 a.m.

1 stop8h 35m

C$ 343

HalifaxSeattle

YHZ Halifax Intl - SEA Seattle/Tacoma Intl

YHZSEA

Halifax Intl

Wed 9/9

9:50 a.m.-6:45 p.m.

2 stops12h 55m

Seattle/Tacoma Intl

Wed 16/9

7:35 p.m.-8:10 a.m.

1 stop8h 35m

C$ 346

HalifaxSeattle

YHZ Halifax Intl - SEA Seattle/Tacoma Intl

YHZSEA

Halifax Intl

Wed 16/9

9:50 a.m.-6:45 p.m.

2 stops12h 55m

Seattle/Tacoma Intl

Wed 23/9

7:35 p.m.-8:10 a.m.

1 stop8h 35m

C$ 346

HalifaxSeattle

YHZ Halifax Intl - SEA Seattle/Tacoma Intl

YHZSEA

Halifax Intl

Mon 14/9

9:50 a.m.-6:45 p.m.

2 stops12h 55m

Seattle/Tacoma Intl

Sat 19/9

7:35 p.m.-10:45 a.m.

2 stops11h 10m

C$ 352

HalifaxSeattle

YHZ Halifax Intl - SEA Seattle/Tacoma Intl

YHZSEA

Halifax Intl

Sat 19/9

7:00 a.m.-6:46 p.m.

1 stop15h 46m

Seattle/Tacoma Intl

Wed 23/9

7:30 a.m.-11:55 p.m.

1 stop12h 25m

C$ 419

HalifaxSeattle

YHZ Halifax Intl - SEA Seattle/Tacoma Intl

YHZSEA

Halifax Intl

Wed 2/9

5:15 a.m.-2:22 p.m.

2 stops13h 07m

Seattle/Tacoma Intl

Sat 5/9

7:20 p.m.-11:50 a.m.

2 stops12h 30m

C$ 422

HalifaxSeattle

YHZ Halifax Intl - SEA Seattle/Tacoma Intl

YHZSEA

Halifax Intl

Wed 2/9

4:10 p.m.-9:07 p.m.

1 stop8h 57m

Seattle/Tacoma Intl

Sat 5/9

7:20 p.m.-11:50 a.m.

2 stops12h 30m

C$ 422

HalifaxSeattle

YHZ Halifax Intl - SEA Seattle/Tacoma Intl

YHZSEA

Halifax Intl

Sat 5/9

2:15 p.m.-10:20 p.m.

1 stop12h 05m

Seattle/Tacoma Intl

Fri 11/9

11:08 p.m.-1:25 p.m.

1 stop10h 17m

C$ 430
Quickest round-trip

HalifaxSeattle

YHZ Halifax Intl - SEA Seattle/Tacoma Intl

YHZSEA

Halifax Intl

Wed 23/9

4:10 p.m.-9:04 p.m.

1 stop8h 54m

Seattle/Tacoma Intl

Tue 29/9

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

1 stop8h 04m

C$ 430

HalifaxSeattle

YHZ Halifax Intl - SEA Seattle/Tacoma Intl

YHZSEA

Halifax Intl

Wed 21/10

7:00 a.m.-11:00 p.m.

2 stops20h 00m

Seattle/Tacoma Intl

Wed 28/10

8:30 a.m.-1:24 p.m.

2 stops24h 54m

C$ 444

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 typical price of a round-trip flight between Halifax and Seattle?

Prices are currently typical for flights on this route.

Typical prices usually range from C$ 321 to C$ 524.
The lowest price recently found on this route was C$ 343.

What is the cheapest month to fly to Seattle?

If you aren’t able to travel to Seattle during the month of August, then flying in May is also cheap. Prices for this month can be found on momondo for an average of C$ 472.

Can stopping save me money on Halifax to Seattle flights?

You could potentially save up to 44% on your flight if you consider stops on a Halifax to Seattle flight.

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

Fastest flight time

9h 25m

Direct flights

None
The fastest flight from Halifax to Seattle takes 9h 25m
There are no direct flights from Halifax to Seattle. There are no popular flight routes from Halifax to Seattle.
Search flight deals

Frequently asked questions about flying from Halifax to Seattle

  • 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 25m 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$ 249Free CancellationRating
7.2
3,426 reviews
Search WestJet flights
Air CanadaPriceFrom C$ 528Free CancellationRating
7.1
11,431 reviews
Search Air Canada flights

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Lynnwood
SeaTac
Tacoma
Kirkland
Leavenworth
Redmond
Marysville
Woodinville
Puyallup
Tukwila
Olympia
Ellensburg
Federal Way
Bainbridge Island
Gig Harbor
Kent
Edmonds
Shoreline
Chehalis
Ocean Shores

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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