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Cheap flights from Halifax to Seattle from $152

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 5/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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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
8:30 am - 6:45 pm
YHZ
-
SEA
14h 15m
2 stops
WestJet Logo
7:00 am - 9:05 pm
SEA
-
YHZ
10h 05m
2 stops
$238WestJet
Sun, Jul 12 - Tue, Jul 21
WestJet Logo
8:30 am - 6:45 pm
YHZ
-
SEA
14h 15m
2 stops
WestJet Logo
7:00 am - 9:15 pm
SEA
-
YHZ
10h 15m
1 stop
$241WestJet
Sun, Jul 12 - Mon, Jul 20
WestJet Logo
8:30 am - 6:45 pm
YHZ
-
SEA
14h 15m
2 stops
WestJet Logo
7:35 pm - 8:10 am
SEA
-
YHZ
8h 35m
1 stop
$242WestJet
Sun, Jul 12 - Tue, Jul 21
WestJet Logo
8:30 am - 6:45 pm
YHZ
-
SEA
14h 15m
2 stops
WestJet Logo
7:35 pm - 10:45 am
SEA
-
YHZ
11h 10m
2 stops
$256WestJet
Sun, Jul 12 - Mon, Jul 20
WestJet Logo
9:50 am - 6:45 pm
YHZ
-
SEA
12h 55m
2 stops
WestJet Logo
7:35 pm - 8:10 am
SEA
-
YHZ
8h 35m
1 stop
$263WestJet
Fri, Sep 11 - Thu, Sep 17
WestJet Logo
7:45 am - 9:00 pm
YHZ
-
SEA
17h 15m
1 stop
WestJet Logo
7:00 am - 9:15 pm
SEA
-
YHZ
10h 15m
1 stop
$267WestJet
Sat, Jul 11 - Sat, Jul 18
WestJet Logo
9:50 am - 6:45 pm
YHZ
-
SEA
12h 55m
2 stops
WestJet Logo
7:35 pm - 10:45 am
SEA
-
YHZ
11h 10m
2 stops
$269WestJet
Mon, Apr 27 - Thu, Apr 30
WestJet Logo
9:50 am - 6:45 pm
YHZ
-
SEA
12h 55m
2 stops
WestJet Logo
7:35 pm - 10:45 am
SEA
-
YHZ
11h 10m
2 stops
$270WestJet
Fri, Sep 11 - Thu, Sep 17
WestJet Logo
8:00 pm - 9:00 pm
YHZ
-
SEA
29h 00m
1 stop
WestJet Logo
7:00 am - 9:25 pm
SEA
-
YHZ
10h 25m
2 stops
$273WestJet
Sat, Jul 11 - Sat, Jul 18
WestJet Logo
9:50 am - 6:45 pm
YHZ
-
SEA
12h 55m
2 stops
WestJet Logo
7:35 pm - 8:10 am
SEA
-
YHZ
8h 35m
1 stop
$275WestJet
Thu, May 28 - Mon, Jun 1

WestJet flights from Halifax to Seattle

Our best WestJet deals on Halifax to Seattle flight tickets
WestJet
Jul 12
YHZ8:30 amHalifax Intl
14h 15m
2 stops
SEA6:45 pmSeattle/Tacoma Intl
Jul 21
SEA7:00 amSeattle/Tacoma Intl
10h 05m
2 stops
YHZ9:05 pmHalifax Intl
$238
WestJet
Jul 12
YHZ8:30 amHalifax Intl
14h 15m
2 stops
SEA6:45 pmSeattle/Tacoma Intl
Jul 20
SEA7:00 amSeattle/Tacoma Intl
10h 15m
1 stop
YHZ9:15 pmHalifax Intl
$241
WestJet
Jul 12
YHZ8:30 amHalifax Intl
14h 15m
2 stops
SEA6:45 pmSeattle/Tacoma Intl
Jul 21
SEA7:35 pmSeattle/Tacoma Intl
8h 35m
1 stop
YHZ8:10 amHalifax Intl
$242

Air Canada flights from Halifax to Seattle

Our best Air Canada deals on Halifax to Seattle flight tickets
Air Canada
Sep 11
YHZ4:10 pmHalifax Intl
8h 54m
1 stop
SEA9:04 pmSeattle/Tacoma Intl
Sep 17
SEA8:00 amSeattle/Tacoma Intl
11h 55m
2 stops
YHZ11:55 pmHalifax Intl
$320
Air Canada
Sep 11
YHZ4:10 pmHalifax Intl
8h 54m
1 stop
SEA9:04 pmSeattle/Tacoma Intl
Sep 17
SEA8:00 amSeattle/Tacoma Intl
11h 55m
2 stops
YHZ11:55 pmHalifax Intl
$321
Air Canada
Sep 11
YHZ4:10 pmHalifax Intl
8h 54m
1 stop
SEA9:04 pmSeattle/Tacoma Intl
Sep 17
SEA8:00 amSeattle/Tacoma Intl
12h 34m
1 stop
YHZ12:34 amHalifax Intl
$353

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 April 2, 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

Sun 7/12

8:30 am-6:45 pm

2 stops14h 15m

Seattle/Tacoma Intl

Tue 7/21

7:00 am-9:05 pm

2 stops10h 05m

$238

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Sun 7/12

8:30 am-6:45 pm

2 stops14h 15m

Seattle/Tacoma Intl

Mon 7/20

7:00 am-9:15 pm

1 stop10h 15m

$241

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Sun 7/12

8:30 am-6:45 pm

2 stops14h 15m

Seattle/Tacoma Intl

Tue 7/21

7:35 pm-8:10 am

1 stop8h 35m

$242

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Sun 7/12

8:30 am-6:45 pm

2 stops14h 15m

Seattle/Tacoma Intl

Mon 7/20

7:35 pm-10:45 am

2 stops11h 10m

$256
Quickest round-trip

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Fri 9/11

9:50 am-6:45 pm

2 stops12h 55m

Seattle/Tacoma Intl

Thu 9/17

7:35 pm-8:10 am

1 stop8h 35m

$263

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Sat 7/11

7:45 am-9:00 pm

1 stop17h 15m

Seattle/Tacoma Intl

Sat 7/18

7:00 am-9:15 pm

1 stop10h 15m

$267

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Mon 4/27

9:50 am-6:45 pm

2 stops12h 55m

Seattle/Tacoma Intl

Thu 4/30

7:35 pm-10:45 am

2 stops11h 10m

$269

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Fri 9/11

9:50 am-6:45 pm

2 stops12h 55m

Seattle/Tacoma Intl

Thu 9/17

7:35 pm-10:45 am

2 stops11h 10m

$270

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Sat 7/11

8:00 pm-9:00 pm

1 stop29h 00m

Seattle/Tacoma Intl

Sat 7/18

7:00 am-9:25 pm

2 stops10h 25m

$273

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Thu 5/28

9:50 am-6:45 pm

2 stops12h 55m

Seattle/Tacoma Intl

Mon 6/1

7:35 pm-8:10 am

1 stop8h 35m

$275

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?

What is the cheapest month to fly to Seattle?

In general, April 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 $376. If you don’t want to visit Seattle in April, then you should wait until July to fly from Halifax, when ticket prices are also cheap, with an average price of $402.

Can stopping save me money on Halifax to Seattle flights?

You could potentially save up to 33% 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 2751.5 mi. 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?

    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
10,880 reviews
Search Air Canada 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
Kent
Redmond
Marysville
Puyallup
Cle Elum
Lakewood
Tukwila
Federal Way
Centralia
Fife
Westport
Kirkland
Tumwater

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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