Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Halifax to Seattle from C$ 170

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 25/2. 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
8:20 a.m. - 2:20 p.m.
YHZ
-
SEA
10h 00m1 stop
WestJet Logo
3:10 p.m. - 6:03 a.m.
SEA
-
YHZ
10h 53m2 stops
C$ 269WestJet
Thu, 15 Jan - Mon, 19 Jan
WestJet Logo
10:00 a.m. - 8:28 p.m.
YHZ
-
SEA
14h 28m2 stops
WestJet Logo
7:05 a.m. - 9:15 p.m.
SEA
-
YHZ
10h 10m1 stop
C$ 286WestJet
Fri, 1 May - Tue, 12 May
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$ 306WestJet
Mon, 23 Feb - Mon, 16 Mar
WestJet Logo
8:20 a.m. - 2:20 p.m.
YHZ
-
SEA
10h 00m1 stop
WestJet Logo
3:10 p.m. - 6:03 a.m.
SEA
-
YHZ
10h 53m2 stops
C$ 308WestJet
Thu, 15 Jan - Mon, 19 Jan
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$ 310WestJet
Tue, 24 Feb - Sun, 15 Mar
WestJet Logo
8:20 a.m. - 2:20 p.m.
YHZ
-
SEA
10h 00m1 stop
WestJet Logo
3:10 p.m. - 7:28 a.m.
SEA
-
YHZ
12h 18m1 stop
C$ 311WestJet
Thu, 15 Jan - Mon, 19 Jan
WestJet Logo
6:10 p.m. - 2:19 p.m.
YHZ
-
SEA
24h 09m1 stop
WestJet Logo
3:10 p.m. - 6:02 a.m.
SEA
-
YHZ
10h 52m2 stops
C$ 313WestJet
Wed, 25 Feb - Wed, 11 Mar
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$ 314WestJet
Sun, 1 Feb - Sun, 1 Mar
WestJet Logo
3:30 p.m. - 8:28 p.m.
YHZ
-
SEA
8h 58m1 stop
WestJet Logo
7:05 a.m. - 8:10 a.m.
SEA
-
YHZ
21h 05m1 stop
C$ 315WestJet
Fri, 1 May - Tue, 12 May
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
34h 52m2 stops
C$ 327WestJet
Sun, 1 Feb - Sun, 1 Mar

Air Canada flights from Halifax to Seattle

Our best Air Canada deals on Halifax to Seattle flight tickets
Air Canada
16 Jan
YHZ5:35 a.m.Halifax Intl
12h 56m
2 stops
SEA2:31 p.m.Seattle/Tacoma Intl
23 Jan
SEA8:00 p.m.Seattle/Tacoma Intl
11h 04m
2 stops
YHZ11:04 a.m.Halifax Intl
C$ 427
Find similar
Air Canada
16 Jan
YHZ11:55 a.m.Halifax Intl
14h 21m
1 stop
SEA10:16 p.m.Seattle/Tacoma Intl
23 Jan
SEA8:10 a.m.Seattle/Tacoma Intl
10h 16m
1 stop
YHZ10:26 p.m.Halifax Intl
C$ 459
Find similar
Air Canada
18 Jan
YHZ11:55 a.m.Halifax Intl
14h 21m
1 stop
SEA10:16 p.m.Seattle/Tacoma Intl
25 Jan
SEA8:00 p.m.Seattle/Tacoma Intl
11h 04m
2 stops
YHZ11:04 a.m.Halifax Intl
C$ 461
Find similar

United Airlines flights from Halifax to Seattle

Our best United Airlines deals on Halifax to Seattle flight tickets
United Airlines
23 Feb
YHZ2:58 p.m.Halifax Intl
12h 43m
1 stop
SEA11:41 p.m.Seattle/Tacoma Intl
16 Mar
SEA11:59 p.m.Seattle/Tacoma Intl
10h 18m
1 stop
YHZ2:17 p.m.Halifax Intl
C$ 430
Find similar
United Airlines
29 Jan
YHZ3:15 p.m.Halifax Intl
12h 00m
1 stop
SEA11:15 p.m.Seattle/Tacoma Intl
2 Feb
SEA11:45 p.m.Seattle/Tacoma Intl
10h 46m
1 stop
YHZ2:31 p.m.Halifax Intl
C$ 434
Find similar
United Airlines
29 Jan
YHZ3:15 p.m.Halifax Intl
22h 40m
2 stops
SEA9:55 a.m.Seattle/Tacoma Intl
2 Feb
SEA7:30 p.m.Seattle/Tacoma Intl
15h 01m
2 stops
YHZ2:31 p.m.Halifax Intl
C$ 435
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 4 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

Thu 15/1

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

1 stop10h 00m

Seattle/Tacoma Intl

Mon 19/1

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

2 stops10h 53m

C$ 269

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Fri 1/5

10:00 a.m.-8:28 p.m.

2 stops14h 28m

Seattle/Tacoma Intl

Tue 12/5

7:05 a.m.-9:15 p.m.

1 stop10h 10m

C$ 286

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Mon 23/2

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

1 stop9h 59m

Seattle/Tacoma Intl

Mon 16/3

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

2 stops10h 52m

C$ 306

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Thu 15/1

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

1 stop10h 00m

Seattle/Tacoma Intl

Mon 19/1

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

2 stops10h 53m

C$ 308

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Tue 24/2

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

1 stop9h 59m

Seattle/Tacoma Intl

Sun 15/3

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

1 stop12h 18m

C$ 310

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Thu 15/1

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

1 stop10h 00m

Seattle/Tacoma Intl

Mon 19/1

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

1 stop12h 18m

C$ 311

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Wed 25/2

6:10 p.m.-2:19 p.m.

1 stop24h 09m

Seattle/Tacoma Intl

Wed 11/3

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

2 stops10h 52m

C$ 313

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Sun 1/2

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

1 stop9h 59m

Seattle/Tacoma Intl

Sun 1/3

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

1 stop12h 18m

C$ 314

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Fri 1/5

3:30 p.m.-8:28 p.m.

1 stop8h 58m

Seattle/Tacoma Intl

Tue 12/5

7:05 a.m.-8:10 a.m.

1 stop21h 05m

C$ 315

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Sun 1/2

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

1 stop9h 59m

Seattle/Tacoma Intl

Sun 1/3

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

2 stops34h 52m

C$ 327

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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 April is also cheap. Prices for this month can be found on momondo for an average of C$ 565.

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$ 435. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around C$ 672. 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$ 487. Flights at noon are often more expensive with an average ticket price of C$ 773.

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. 8h 58m 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$ 276Free CancellationRating
7.2
3,193 reviews
Search WestJet flights
Air CanadaPriceFrom C$ 519Free CancellationRating
7.1
10,500 reviews
Search Air Canada flights
United AirlinesPriceFrom C$ 558Free CancellationRating
7.4
9,066 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
Tukwila
Olympia
Ocean Shores
Redmond
Bainbridge Island
Ellensburg
Gig Harbor
Renton
Mukilteo
Cle Elum
Centralia
Federal Way
Puyallup
Shelton

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
Sat 3/1
Sat 10/1
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States