Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Halifax to Seattle from C$ 249

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 10/1. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Halifax to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
WestJet Logo
6:00 a.m. - 2:19 p.m.YHZ-SEA
36h 19m2 stops
WestJet Logo
3:10 p.m. - 6:02 a.m.SEA-YHZ
10h 52m2 stops
C$ 348WestJet
Find Deal
Thu, 5 Feb - Mon, 9 Feb
WestJet Logo
6:00 a.m. - 2:19 p.m.YHZ-SEA
36h 19m2 stops
WestJet Logo
3:10 p.m. - 7:28 a.m.SEA-YHZ
12h 18m1 stop
C$ 394WestJet
Find Deal
Thu, 5 Feb - Mon, 9 Feb
United Airlines Logo
3:15 p.m. - 11:15 p.m.YHZ-SEA
12h 00m1 stop
United Airlines Logo
11:45 p.m. - 2:31 p.m.SEA-YHZ
10h 46m1 stop
C$ 438United Airlines
Find Deal
Thu, 5 Feb - Mon, 9 Feb
Multiple Airlines Logo
8:20 p.m. - 2:19 p.m.YHZ-SEA
21h 59m2 stops
Multiple Airlines Logo
3:10 p.m. - 10:50 a.m.SEA-YHZ
15h 40m3 stops
C$ 538Multiple Airlines
Find Deal
Thu, 5 Feb - Mon, 9 Feb
Multiple Airlines Logo
10:40 p.m. - 7:18 p.m.YHZ-SEA
24h 38m1 stop
Multiple Airlines Logo
3:10 p.m. - 1:41 a.m.SEA-YHZ
30h 31m2 stops
C$ 608Multiple Airlines
Find Deal
Fri, 12 Dec - Wed, 24 Dec
American Airlines Logo
1:10 p.m. - 11:13 p.m.YHZ-SEA
14h 03m2 stops
American Airlines Logo
12:14 a.m. - 12:22 a.m.SEA-YHZ
20h 08m2 stops
C$ 883American Airlines
Find Deal
Mon, 22 Dec - Sat, 3 Jan
Air Canada Logo
7:00 a.m. - 10:16 p.m.YHZ-SEA
19h 16m1 stop
Air Canada Logo
8:10 a.m. - 10:26 p.m.SEA-YHZ
10h 16m1 stop
C$ 887Air Canada
Find Deal
Mon, 22 Dec - Sun, 4 Jan
Air Canada Logo
6:55 a.m. - 10:16 p.m.YHZ-SEA
19h 21m2 stops
Air Canada Logo
8:10 a.m. - 10:26 p.m.SEA-YHZ
10h 16m1 stop
C$ 888Air Canada
Find Deal
Mon, 22 Dec - Sun, 4 Jan
American Airlines Logo
1:10 p.m. - 11:13 p.m.YHZ-SEA
14h 03m2 stops
American Airlines Logo
12:14 a.m. - 12:22 a.m.SEA-YHZ
20h 08m2 stops
C$ 919American Airlines
Find Deal
Mon, 22 Dec - Sat, 3 Jan
United Airlines Logo
5:05 a.m. - 6:46 p.m.YHZ-SEA
17h 41m2 stops
United Airlines Logo
11:15 p.m. - 12:26 a.m.SEA-YHZ
21h 11m2 stops
C$ 921United Airlines
Find Deal
Mon, 22 Dec - Sun, 4 Jan

American Airlines flights from Halifax to Seattle

Our best American Airlines deals on Halifax to Seattle flight tickets
American Airlines
22 Dec
YHZ1:10 p.m.Halifax Intl
14h 03m
2 stops
SEA11:13 p.m.Seattle/Tacoma Intl
3 Jan
SEA12:14 a.m.Seattle/Tacoma Intl
20h 08m
2 stops
YHZ12:22 a.m.Halifax Intl
C$ 883
Find similar
American Airlines
22 Dec
YHZ1:10 p.m.Halifax Intl
14h 03m
2 stops
SEA11:13 p.m.Seattle/Tacoma Intl
3 Jan
SEA12:14 a.m.Seattle/Tacoma Intl
20h 08m
2 stops
YHZ12:22 a.m.Halifax Intl
C$ 919
Find similar
American Airlines
27 Nov
YHZ6:30 a.m.Halifax Intl
30h 46m
3 stops
SEA9:16 a.m.Seattle/Tacoma Intl
7 Dec
SEA12:38 a.m.Seattle/Tacoma Intl
19h 44m
2 stops
YHZ12:22 a.m.Halifax Intl
C$ 1,135
Find similar

Air Canada flights from Halifax to Seattle

Our best Air Canada deals on Halifax to Seattle flight tickets
Air Canada
22 Dec
YHZ7:00 a.m.Halifax Intl
19h 16m
1 stop
SEA10:16 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$ 887
Find similar
Air Canada
22 Dec
YHZ6:55 a.m.Halifax Intl
19h 21m
2 stops
SEA10:16 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$ 888
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 5 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

Thu 5/2

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

2 stops36h 19m

Seattle/Tacoma Intl

Mon 9/2

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

2 stops10h 52m

C$ 348

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Thu 5/2

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

2 stops36h 19m

Seattle/Tacoma Intl

Mon 9/2

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

1 stop12h 18m

C$ 394

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Thu 5/2

3:15 p.m.-11:15 p.m.

1 stop12h 00m

Seattle/Tacoma Intl

Mon 9/2

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

1 stop10h 46m

C$ 438

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Thu 5/2

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

2 stops21h 59m

Seattle/Tacoma Intl

Mon 9/2

3:10 p.m.-10:50 a.m.

3 stops15h 40m

C$ 538

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Fri 12/12

10:40 p.m.-7:18 p.m.

1 stop24h 38m

Seattle/Tacoma Intl

Wed 24/12

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

2 stops30h 31m

C$ 608

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Mon 22/12

1:10 p.m.-11:13 p.m.

2 stops14h 03m

Seattle/Tacoma Intl

Sat 3/1

12:14 a.m.-12:22 a.m.

2 stops20h 08m

C$ 883

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Mon 22/12

7:00 a.m.-10:16 p.m.

1 stop19h 16m

Seattle/Tacoma Intl

Sun 4/1

8:10 a.m.-10:26 p.m.

1 stop10h 16m

C$ 887

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Mon 22/12

6:55 a.m.-10:16 p.m.

2 stops19h 21m

Seattle/Tacoma Intl

Sun 4/1

8:10 a.m.-10:26 p.m.

1 stop10h 16m

C$ 888

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Mon 22/12

1:10 p.m.-11:13 p.m.

2 stops14h 03m

Seattle/Tacoma Intl

Sat 3/1

12:14 a.m.-12:22 a.m.

2 stops20h 08m

C$ 919

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Mon 22/12

5:05 a.m.-6:46 p.m.

2 stops17h 41m

Seattle/Tacoma Intl

Sun 4/1

11:15 p.m.-12:26 a.m.

2 stops21h 11m

C$ 921

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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?

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$ 581.

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$ 439. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around C$ 678. 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$ 491. Flights at noon are often more expensive with an average ticket price of C$ 780.

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. 11h 50m 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$ 429Free CancellationRating
7.2
3,153 reviews
Search WestJet flights
Air CanadaPriceFrom C$ 524Free CancellationRating
7.1
10,409 reviews
Search Air Canada flights
United AirlinesPriceFrom C$ 563Free CancellationRating
7.4
9,002 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.

An easier way to manage your Seattle trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 5/12
Fri 12/12
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States