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Cheap flights from Halifax to Seattle from C$ 174

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 15/1. 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

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
11:55 a.m. - 6:02 a.m.
SEA
-
YHZ
14h 07m2 stops
C$ 327WestJet
Mon, 2 Feb - Mon, 9 Feb
WestJet Logo
8:20 a.m. - 2:19 p.m.
YHZ
-
SEA
9h 59m1 stop
WestJet Logo
3:35 p.m. - 6:40 a.m.
SEA
-
YHZ
11h 05m2 stops
C$ 378WestJet
Thu, 23 Apr - Sun, 26 Apr
Multiple Airlines Logo
8:20 a.m. - 2:19 p.m.
YHZ
-
SEA
9h 59m1 stop
Multiple Airlines Logo
7:55 a.m. - 9:55 p.m.
SEA
-
YHZ
10h 00m1 stop
C$ 379Multiple Airlines
Mon, 2 Feb - Mon, 9 Feb
WestJet Logo
8:20 a.m. - 2:19 p.m.
YHZ
-
SEA
9h 59m1 stop
WestJet Logo
3:10 p.m. - 6:02 a.m.
SEA
-
YHZ
10h 52m2 stops
C$ 426WestJet
Thu, 26 Feb - Mon, 2 Mar
United Airlines Logo
3:15 p.m. - 4:01 p.m.
YHZ
-
SEA
28h 46m3 stops
United Airlines Logo
11:45 p.m. - 2:31 p.m.
SEA
-
YHZ
10h 46m1 stop
C$ 435United Airlines
Mon, 2 Feb - Mon, 9 Feb
WestJet Logo
8:20 a.m. - 2:19 p.m.
YHZ
-
SEA
9h 59m1 stop
WestJet Logo
9:20 p.m. - 7:28 a.m.
SEA
-
YHZ
30h 08m2 stops
C$ 468WestJet
Thu, 16 Apr - Sun, 19 Apr
WestJet Logo
6:55 a.m. - 2:19 p.m.
YHZ
-
SEA
35h 24m2 stops
WestJet Logo
3:35 p.m. - 6:40 a.m.
SEA
-
YHZ
11h 05m2 stops
C$ 472WestJet
Thu, 23 Apr - Sun, 26 Apr
Delta Logo
8:20 a.m. - 2:19 p.m.
YHZ
-
SEA
9h 59m1 stop
Delta Logo
3:10 p.m. - 7:28 a.m.
SEA
-
YHZ
12h 18m1 stop
C$ 480Delta
Thu, 26 Feb - Mon, 2 Mar
WestJet Logo
8:20 a.m. - 2:19 p.m.
YHZ
-
SEA
9h 59m1 stop
WestJet Logo
9:55 p.m. - 9:45 p.m.
SEA
-
YHZ
19h 50m1 stop
C$ 497WestJet
Thu, 23 Apr - Sat, 25 Apr
WestJet Logo
8:20 a.m. - 8:48 p.m.
YHZ
-
SEA
16h 28m2 stops
WestJet Logo
9:20 p.m. - 7:28 a.m.
SEA
-
YHZ
30h 08m2 stops
C$ 523WestJet
Thu, 16 Apr - Sun, 19 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
9 Feb
SEA11:55 a.m.Seattle/Tacoma Intl
14h 07m
2 stops
YHZ6:02 a.m.Halifax Intl
C$ 327
Find similar
WestJet
23 Apr
YHZ8:20 a.m.Halifax Intl
9h 59m
1 stop
SEA2:19 p.m.Seattle/Tacoma Intl
26 Apr
SEA3:35 p.m.Seattle/Tacoma Intl
11h 05m
2 stops
YHZ6:40 a.m.Halifax Intl
C$ 378
Find similar
WestJet
26 Feb
YHZ8:20 a.m.Halifax Intl
9h 59m
1 stop
SEA2:19 p.m.Seattle/Tacoma Intl
2 Mar
SEA3:10 p.m.Seattle/Tacoma Intl
10h 52m
2 stops
YHZ6:02 a.m.Halifax Intl
C$ 426
Find similar

United Airlines flights from Halifax to Seattle

Our best United Airlines deals on Halifax to Seattle flight tickets
United Airlines
2 Feb
YHZ3:15 p.m.Halifax Intl
28h 46m
3 stops
SEA4:01 p.m.Seattle/Tacoma Intl
9 Feb
SEA11:45 p.m.Seattle/Tacoma Intl
10h 46m
1 stop
YHZ2:31 p.m.Halifax Intl
C$ 435
Find similar
United Airlines
26 Feb
YHZ9:00 a.m.Halifax Intl
14h 03m
2 stops
SEA7:03 p.m.Seattle/Tacoma Intl
2 Mar
SEA11:59 p.m.Seattle/Tacoma Intl
13h 41m
2 stops
YHZ5:40 p.m.Halifax Intl
C$ 526
Find similar
United Airlines
22 Dec
YHZ3:15 p.m.Halifax Intl
10h 20m
1 stop
SEA9:35 p.m.Seattle/Tacoma Intl
4 Jan
SEA8:10 a.m.Seattle/Tacoma Intl
10h 16m
1 stop
YHZ10:26 p.m.Halifax Intl
C$ 1,598
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 22 December 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

Mon 9/2

11:55 a.m.-6:02 a.m.

2 stops14h 07m

C$ 327

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Thu 23/4

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

1 stop9h 59m

Seattle/Tacoma Intl

Sun 26/4

3:35 p.m.-6:40 a.m.

2 stops11h 05m

C$ 378

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Mon 2/2

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

1 stop9h 59m

Seattle/Tacoma Intl

Mon 9/2

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

1 stop10h 00m

C$ 379

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Thu 26/2

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

1 stop9h 59m

Seattle/Tacoma Intl

Mon 2/3

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

2 stops10h 52m

C$ 426

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Mon 2/2

3:15 p.m.-4:01 p.m.

3 stops28h 46m

Seattle/Tacoma Intl

Mon 9/2

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

1 stop10h 46m

C$ 435

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Thu 16/4

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

1 stop9h 59m

Seattle/Tacoma Intl

Sun 19/4

9:20 p.m.-7:28 a.m.

2 stops30h 08m

C$ 468

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Thu 23/4

6:55 a.m.-2:19 p.m.

2 stops35h 24m

Seattle/Tacoma Intl

Sun 26/4

3:35 p.m.-6:40 a.m.

2 stops11h 05m

C$ 472

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Thu 26/2

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

1 stop9h 59m

Seattle/Tacoma Intl

Mon 2/3

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

1 stop12h 18m

C$ 480

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Thu 23/4

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

1 stop9h 59m

Seattle/Tacoma Intl

Sat 25/4

9:55 p.m.-9:45 p.m.

1 stop19h 50m

C$ 497

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Thu 16/4

8:20 a.m.-8:48 p.m.

2 stops16h 28m

Seattle/Tacoma Intl

Sun 19/4

9:20 p.m.-7:28 a.m.

2 stops30h 08m

C$ 523

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 February, then flying in April is also cheap. Prices for this month can be found on momondo for an average of C$ 553.

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$ 430. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around C$ 665. 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$ 481. Flights at noon are often more expensive with an average ticket price of C$ 764.

Can stopping save me money on Halifax to Seattle flights?

You could potentially save up to 4% 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 59m

Direct flights

None
The fastest flight from Halifax to Seattle takes 9h 59m
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$ 273Free CancellationRating
7.2
3,209 reviews
Search WestJet flights
United AirlinesPriceFrom C$ 518Free CancellationRating
7.4
9,102 reviews
Search United Airlines flights
Air CanadaPriceFrom C$ 530Free CancellationRating
7.1
10,551 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
Tacoma
Marysville
Redmond
SeaTac
Kirkland
Tukwila
Olympia
Ocean Shores
Bainbridge Island
Ellensburg
Gig Harbor
Renton
Mukilteo
Cle Elum
Centralia
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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