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Cheap flights from Halifax to Seattle from $166

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 9/29. 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.
Air Canada Logo
4:10 pm - 9:04 pmYHZ  Halifax Intl-SEA Seattle/Tacoma Intl
8h 54m1 stop Toronto Pearson Intl
Air Canada Logo
8:00 am - 9:54 pmSEA  Seattle/Tacoma Intl-YHZ Halifax Intl
9h 54m1 stop Toronto Pearson Intl
$283Air Canada
Sat, Sep 12 - Sat, Sep 19
Air Canada Logo
5:15 am - 2:37 pmYHZ  Halifax Intl-SEA Seattle/Tacoma Intl
13h 22m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl
Air Canada Logo
7:45 am - 7:48 pmSEA  Seattle/Tacoma Intl-YHZ Halifax Intl
8h 03m1 stop Toronto Pearson Intl
$290Air Canada
Wed, Nov 11 - Wed, Mar 3
Air Canada Logo
5:15 am - 2:37 pmYHZ  Halifax Intl-SEA Seattle/Tacoma Intl
13h 22m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl
Air Canada Logo
8:40 am - 11:49 pmSEA  Seattle/Tacoma Intl-YHZ Halifax Intl
11h 09m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl
$290Air Canada
Wed, Nov 11 - Wed, Mar 3
United Airlines Logo
2:10 pm - 9:39 pmYHZ  Halifax Intl-SEA Seattle/Tacoma Intl
11h 29m1 stop Newark
United Airlines Logo
6:50 am - 11:57 pmSEA  Seattle/Tacoma Intl-YHZ Halifax Intl
13h 07m1 stop Newark
$296United Airlines
Thu, Nov 12 - Wed, Mar 3
United Airlines Logo
2:10 pm - 11:15 pmYHZ  Halifax Intl-SEA Seattle/Tacoma Intl
13h 05m2 stops Newark Denver Intl
United Airlines Logo
3:51 pm - 2:34 pmSEA  Seattle/Tacoma Intl-YHZ Halifax Intl
18h 43m2 stops Denver Intl Newark
$302United Airlines
Thu, Nov 12 - Wed, Mar 3
United Airlines Logo
2:10 pm - 11:15 pmYHZ  Halifax Intl-SEA Seattle/Tacoma Intl
13h 05m2 stops Newark Denver Intl
United Airlines Logo
10:45 pm - 2:34 pmSEA  Seattle/Tacoma Intl-YHZ Halifax Intl
11h 49m1 stop Newark
$302United Airlines
Thu, Nov 12 - Wed, Mar 3
WestJet Logo
9:50 am - 6:45 pmYHZ  Halifax Intl-SEA Seattle/Tacoma Intl
12h 55m2 stops Edmonton Calgary
WestJet Logo
7:35 pm - 10:45 amSEA  Seattle/Tacoma Intl-YHZ Halifax Intl
11h 10m2 stops Calgary Toronto Pearson Intl
$321WestJet
Wed, Sep 16 - Sat, Sep 19
WestJet Logo
3:35 pm - 9:00 pmYHZ  Halifax Intl-SEA Seattle/Tacoma Intl
9h 25m1 stop Calgary
WestJet Logo
7:35 pm - 8:10 amSEA  Seattle/Tacoma Intl-YHZ Halifax Intl
8h 35m1 stop Calgary
$333WestJet
Sat, Sep 5 - Mon, Sep 14
Delta Logo
3:35 pm - 9:00 pmYHZ  Halifax Intl-SEA Seattle/Tacoma Intl
9h 25m1 stop Calgary
Delta Logo
6:00 am - 9:10 pmSEA  Seattle/Tacoma Intl-YHZ Halifax Intl
11h 10m1 stop Detroit Metropolitan Wayne County
$364Delta
Sat, Sep 5 - Mon, Sep 14
Delta Logo
6:30 am - 6:45 pmYHZ  Halifax Intl-SEA Seattle/Tacoma Intl
16h 15m2 stops New York LaGuardia Detroit Metropolitan Wayne County
Delta Logo
11:05 pm - 7:25 pmSEA  Seattle/Tacoma Intl-YHZ Halifax Intl
16h 20m2 stops Detroit Metropolitan Wayne County Toronto Pearson Intl
$413Delta
Sat, Sep 5 - Mon, Sep 14

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Delta flights from Halifax to Seattle

Our best Delta deals on Halifax to Seattle flight tickets
Delta
Sep 5
YHZ6:30 amHalifax Intl
16h 15m
2 stops
SEA6:45 pmSeattle/Tacoma Intl
Sep 14
SEA11:05 pmSeattle/Tacoma Intl
16h 20m
2 stops
YHZ7:25 pmHalifax Intl
$413
Delta
Aug 18
YHZ3:35 pmHalifax Intl
9h 25m
1 stop
SEA9:00 pmSeattle/Tacoma Intl
Aug 21
SEA7:35 pmSeattle/Tacoma Intl
8h 35m
1 stop
YHZ8:10 amHalifax Intl
$525
Delta
Aug 19
YHZ6:30 amHalifax Intl
16h 15m
2 stops
SEA6:45 pmSeattle/Tacoma Intl
Aug 21
SEA7:00 amSeattle/Tacoma Intl
8h 10m
1 stop
YHZ7:10 pmHalifax Intl
$531

Air Canada flights from Halifax to Seattle

Our best Air Canada deals on Halifax to Seattle flight tickets
Air Canada
Sep 12
YHZ4:10 pmHalifax Intl
8h 54m
1 stop
SEA9:04 pmSeattle/Tacoma Intl
Sep 19
SEA8:00 amSeattle/Tacoma Intl
9h 54m
1 stop
YHZ9:54 pmHalifax Intl
$283
Air Canada
Nov 11
YHZ5:15 amHalifax Intl
13h 22m
2 stops
SEA2:37 pmSeattle/Tacoma Intl
Mar 3
SEA7:45 amSeattle/Tacoma Intl
8h 03m
1 stop
YHZ7:48 pmHalifax Intl
$290
Air Canada
Oct 15
YHZ12:20 pmHalifax Intl
12h 44m
1 stop
SEA9:04 pmSeattle/Tacoma Intl
Oct 30
SEA7:45 amSeattle/Tacoma Intl
10h 53m
1 stop
YHZ10:38 pmHalifax Intl
$291

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 August 13, 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 Halifax Intl - SEA Seattle/Tacoma Intl

YHZSEA

Halifax Intl

Sat 9/12

4:10 pm-9:04 pm

1 stop8h 54m

Seattle/Tacoma Intl

Sat 9/19

8:00 am-9:54 pm

1 stop9h 54m

$283

HalifaxSeattle

YHZ Halifax Intl - SEA Seattle/Tacoma Intl

YHZSEA

Halifax Intl

Wed 11/11

5:15 am-2:37 pm

2 stops13h 22m

Seattle/Tacoma Intl

Wed 3/3

7:45 am-7:48 pm

1 stop8h 03m

$290

HalifaxSeattle

YHZ Halifax Intl - SEA Seattle/Tacoma Intl

YHZSEA

Halifax Intl

Wed 11/11

5:15 am-2:37 pm

2 stops13h 22m

Seattle/Tacoma Intl

Wed 3/3

8:40 am-11:49 pm

2 stops11h 09m

$290

HalifaxSeattle

YHZ Halifax Intl - SEA Seattle/Tacoma Intl

YHZSEA

Halifax Intl

Thu 11/12

2:10 pm-9:39 pm

1 stop11h 29m

Seattle/Tacoma Intl

Wed 3/3

6:50 am-11:57 pm

1 stop13h 07m

$296

HalifaxSeattle

YHZ Halifax Intl - SEA Seattle/Tacoma Intl

YHZSEA

Halifax Intl

Thu 11/12

2:10 pm-11:15 pm

2 stops13h 05m

Seattle/Tacoma Intl

Wed 3/3

3:51 pm-2:34 pm

2 stops18h 43m

$302

HalifaxSeattle

YHZ Halifax Intl - SEA Seattle/Tacoma Intl

YHZSEA

Halifax Intl

Thu 11/12

2:10 pm-11:15 pm

2 stops13h 05m

Seattle/Tacoma Intl

Wed 3/3

10:45 pm-2:34 pm

1 stop11h 49m

$302

HalifaxSeattle

YHZ Halifax Intl - SEA Seattle/Tacoma Intl

YHZSEA

Halifax Intl

Wed 9/16

9:50 am-6:45 pm

2 stops12h 55m

Seattle/Tacoma Intl

Sat 9/19

7:35 pm-10:45 am

2 stops11h 10m

$321
Quickest round-trip

HalifaxSeattle

YHZ Halifax Intl - SEA Seattle/Tacoma Intl

YHZSEA

Halifax Intl

Sat 9/5

3:35 pm-9:00 pm

1 stop9h 25m

Seattle/Tacoma Intl

Mon 9/14

7:35 pm-8:10 am

1 stop8h 35m

$333

HalifaxSeattle

YHZ Halifax Intl - SEA Seattle/Tacoma Intl

YHZSEA

Halifax Intl

Sat 9/5

3:35 pm-9:00 pm

1 stop9h 25m

Seattle/Tacoma Intl

Mon 9/14

6:00 am-9:10 pm

1 stop11h 10m

$364

HalifaxSeattle

YHZ Halifax Intl - SEA Seattle/Tacoma Intl

YHZSEA

Halifax Intl

Sat 9/5

6:30 am-6:45 pm

2 stops16h 15m

Seattle/Tacoma Intl

Mon 9/14

11:05 pm-7:25 pm

2 stops16h 20m

$413

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?

Prices are currently typical for flights on this route.

Typical prices usually range from $229 to $387.
The lowest price recently found on this route was $283.

What is the cheapest month to fly to Seattle?

In general, August 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 $278. If you don’t want to visit Seattle in August, then you should wait until May to fly from Halifax, when ticket prices are also cheap, with an average price of $337.

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
11,466 reviews
Search Air Canada flights
WestJetPriceFrom $218Free CancellationRating
7.2
3,433 reviews
Search WestJet flights
DeltaPriceFrom $369Free CancellationRating
7.8
8,503 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
Kent
Lynnwood
Redmond
Lakewood
Federal Way
Puyallup
Tukwila
Fife
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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