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Cheap flights from Halifax to Seattle from $159

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 9/1. 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
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 am - 9:00 pm
YHZ
-
SEA
15h 10m
2 stops
WestJet Logo
7:00 am - 7:10 pm
SEA
-
YHZ
8h 10m
1 stop
$220WestJet
Wed, Aug 12 - Tue, Aug 25
WestJet Logo
9:50 am - 6:45 pm
YHZ
-
SEA
12h 55m
2 stops
WestJet Logo
7:00 am - 9:20 pm
SEA
-
YHZ
10h 20m
1 stop
$221WestJet
Wed, Aug 12 - Tue, Aug 25
WestJet Logo
3:35 pm - 9:00 pm
YHZ
-
SEA
9h 25m
1 stop
WestJet Logo
7:00 am - 7:10 pm
SEA
-
YHZ
8h 10m
1 stop
$223WestJet
Thu, Aug 20 - Thu, Aug 27
Air Canada Logo
5:45 am - 2:22 pm
YHZ
-
SEA
12h 37m
2 stops
Air Canada Logo
10:10 am - 12:15 am
SEA
-
YHZ
10h 05m
2 stops
$284Air Canada
Wed, Oct 21 - Wed, Oct 28
Air Canada Logo
5:15 am - 2:22 pm
YHZ
-
SEA
13h 07m
2 stops
Air Canada Logo
5:50 am - 12:49 am
SEA
-
YHZ
14h 59m
2 stops
$285Air Canada
Sat, Sep 5 - Fri, Sep 11
Air Canada Logo
5:45 am - 2:22 pm
YHZ
-
SEA
12h 37m
2 stops
Air Canada Logo
7:45 am - 8:58 pm
SEA
-
YHZ
9h 13m
1 stop
$289Air Canada
Wed, Oct 21 - Wed, Oct 28
Delta Logo
2:15 pm - 10:20 pm
YHZ
-
SEA
12h 05m
1 stop
Delta Logo
11:08 pm - 1:25 pm
SEA
-
YHZ
10h 17m
1 stop
$302Delta
Sat, Sep 5 - Fri, Sep 11
Delta Logo
2:15 pm - 10:20 pm
YHZ
-
SEA
12h 05m
1 stop
Delta Logo
5:50 pm - 1:25 pm
SEA
-
YHZ
15h 35m
2 stops
$302Delta
Sat, Sep 5 - Fri, Sep 11
United Airlines Logo
2:50 pm - 11:44 pm
YHZ
-
SEA
12h 54m
1 stop
United Airlines Logo
10:58 pm - 2:03 pm
SEA
-
YHZ
11h 05m
1 stop
$303United Airlines
Sat, Sep 5 - Mon, Sep 14
United Airlines Logo
2:50 pm - 10:01 am
YHZ
-
SEA
23h 11m
2 stops
United Airlines Logo
3:30 pm - 2:03 pm
SEA
-
YHZ
18h 33m
2 stops
$306United Airlines
Sat, Sep 5 - Fri, Sep 11

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WestJet flights from Halifax to Seattle

Our best WestJet deals on Halifax to Seattle flight tickets
WestJet
Aug 12
YHZ9:50 amHalifax Intl
15h 10m
2 stops
SEA9:00 pmSeattle/Tacoma Intl
Aug 25
SEA7:00 amSeattle/Tacoma Intl
8h 10m
1 stop
YHZ7:10 pmHalifax Intl
$220
WestJet
Aug 12
YHZ9:50 amHalifax Intl
12h 55m
2 stops
SEA6:45 pmSeattle/Tacoma Intl
Aug 25
SEA7:00 amSeattle/Tacoma Intl
10h 20m
1 stop
YHZ9:20 pmHalifax Intl
$221
WestJet
Aug 20
YHZ3:35 pmHalifax Intl
9h 25m
1 stop
SEA9:00 pmSeattle/Tacoma Intl
Aug 27
SEA7:00 amSeattle/Tacoma Intl
8h 10m
1 stop
YHZ7:10 pmHalifax Intl
$223

Air Canada flights from Halifax to Seattle

Our best Air Canada deals on Halifax to Seattle flight tickets
Air Canada
Oct 21
YHZ5:45 amHalifax Intl
12h 37m
2 stops
SEA2:22 pmSeattle/Tacoma Intl
Oct 28
SEA10:10 amSeattle/Tacoma Intl
10h 05m
2 stops
YHZ12:15 amHalifax Intl
$284
Air Canada
Sep 5
YHZ5:15 amHalifax Intl
13h 07m
2 stops
SEA2:22 pmSeattle/Tacoma Intl
Sep 11
SEA5:50 amSeattle/Tacoma Intl
14h 59m
2 stops
YHZ12:49 amHalifax Intl
$285
Air Canada
Oct 21
YHZ5:45 amHalifax Intl
12h 37m
2 stops
SEA2:22 pmSeattle/Tacoma Intl
Oct 28
SEA7:45 amSeattle/Tacoma Intl
9h 13m
1 stop
YHZ8:58 pmHalifax Intl
$289

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 832,500 searches. Data last updated July 27, 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 - SEA

YHZSEA

Halifax Intl

Wed 8/12

9:50 am-9:00 pm

2 stops15h 10m

Seattle/Tacoma Intl

Tue 8/25

7:00 am-7:10 pm

1 stop8h 10m

$220

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Wed 8/12

9:50 am-6:45 pm

2 stops12h 55m

Seattle/Tacoma Intl

Tue 8/25

7:00 am-9:20 pm

1 stop10h 20m

$221
Quickest round-trip

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Thu 8/20

3:35 pm-9:00 pm

1 stop9h 25m

Seattle/Tacoma Intl

Thu 8/27

7:00 am-7:10 pm

1 stop8h 10m

$223

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Wed 10/21

5:45 am-2:22 pm

2 stops12h 37m

Seattle/Tacoma Intl

Wed 10/28

10:10 am-12:15 am

2 stops10h 05m

$284

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Sat 9/5

5:15 am-2:22 pm

2 stops13h 07m

Seattle/Tacoma Intl

Fri 9/11

5:50 am-12:49 am

2 stops14h 59m

$285

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Wed 10/21

5:45 am-2:22 pm

2 stops12h 37m

Seattle/Tacoma Intl

Wed 10/28

7:45 am-8:58 pm

1 stop9h 13m

$289

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Sat 9/5

2:15 pm-10:20 pm

1 stop12h 05m

Seattle/Tacoma Intl

Fri 9/11

11:08 pm-1:25 pm

1 stop10h 17m

$302

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Sat 9/5

2:15 pm-10:20 pm

1 stop12h 05m

Seattle/Tacoma Intl

Fri 9/11

5:50 pm-1:25 pm

2 stops15h 35m

$302

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Sat 9/5

2:50 pm-11:44 pm

1 stop12h 54m

Seattle/Tacoma Intl

Mon 9/14

10:58 pm-2:03 pm

1 stop11h 05m

$303

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Sat 9/5

2:50 pm-10:01 am

2 stops23h 11m

Seattle/Tacoma Intl

Fri 9/11

3:30 pm-2:03 pm

2 stops18h 33m

$306

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?

Prices are currently low for flights on this route.

Typical prices usually range from $229 to $408.
The lowest price recently found on this route was $220.

What is the cheapest month to fly to Seattle?

In general, May is the cheapest month to fly from Halifax to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $337. If you don’t want to visit Seattle in May, then you should wait until March to fly from Halifax, when ticket prices are also cheap, with an average price of $347.

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

10h 35m

Direct flights

None
The fastest flight from Halifax to Seattle takes 10h 35m
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 2751.5 mi. 10h 35m 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?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for 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 travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • 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
Air CanadaPriceFrom $144Free CancellationRating
7.1
11,393 reviews
Search Air Canada flights
WestJetPriceFrom $218Free CancellationRating
7.2
3,415 reviews
Search WestJet flights
DeltaPriceFrom $369Free CancellationRating
7.8
8,489 reviews
Search Delta flights

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Leavenworth
SeaTac
Ocean Shores
Renton
Olympia
Lynnwood
Redmond
Kent
Lakewood
Tukwila
Puyallup
Fife
Federal Way
Cle Elum
Marysville
Kirkland
Centralia
Shoreline
Lacey

Why use momondo?

Why should I use momondo to find a flight deal from Halifax to Seattle?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Seattle from Halifax.

Can I find flights from Halifax to Seattle with flexible booking policies on momondo?

momondo does allow users to show only those flights to Seattle from Halifax which offer a flexible booking policy as well as other useful filters and features.

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 not ready to book a flight from Halifax to Seattle now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Seattle and let you know when they change.

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