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Cheap flights from Seattle to Halifax from $129

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Halifax 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seattle to Halifax

Cheap round-trip flights

Enter your travel dates to find the best prices.
WestJet Logo
7:00 am - 7:10 pmSEA  Seattle/Tacoma Intl-YHZ Halifax Intl
8h 10m1 stop Calgary
WestJet Logo
3:35 pm - 9:00 pmYHZ  Halifax Intl-SEA Seattle/Tacoma Intl
9h 25m1 stop Calgary
$272WestJet
Thu, Aug 27 - Sat, Sep 5
WestJet Logo
7:35 pm - 8:10 amSEA  Seattle/Tacoma Intl-YHZ Halifax Intl
8h 35m1 stop Calgary
WestJet Logo
9:50 am - 6:45 pmYHZ  Halifax Intl-SEA Seattle/Tacoma Intl
12h 55m2 stops Edmonton Calgary
$277WestJet
Wed, Sep 9 - Wed, Sep 16
WestJet Logo
7:00 am - 7:10 pmSEA  Seattle/Tacoma Intl-YHZ Halifax Intl
8h 10m1 stop Calgary
WestJet Logo
3:35 pm - 9:00 pmYHZ  Halifax Intl-SEA Seattle/Tacoma Intl
9h 25m1 stop Calgary
$280WestJet
Thu, Aug 27 - Sat, Sep 5
Multiple Airlines Logo
7:00 am - 7:10 pmSEA  Seattle/Tacoma Intl-YHZ Halifax Intl
8h 10m1 stop Calgary
Multiple Airlines Logo
12:35 pm - 9:07 pmYHZ  Halifax Intl-SEA Seattle/Tacoma Intl
12h 32m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl
$300Multiple Airlines
Thu, Aug 27 - Sat, Sep 5
Multiple Airlines Logo
7:00 am - 9:05 pmSEA  Seattle/Tacoma Intl-YHZ Halifax Intl
10h 05m2 stops Calgary Edmonton
Multiple Airlines Logo
12:35 pm - 9:07 pmYHZ  Halifax Intl-SEA Seattle/Tacoma Intl
12h 32m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl
$304Multiple Airlines
Thu, Aug 27 - Sat, Sep 5
Multiple Airlines Logo
7:00 am - 9:05 pmSEA  Seattle/Tacoma Intl-YHZ Halifax Intl
10h 05m2 stops Calgary Edmonton
Multiple Airlines Logo
12:35 pm - 9:07 pmYHZ  Halifax Intl-SEA Seattle/Tacoma Intl
12h 32m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl
$308Multiple Airlines
Thu, Aug 27 - Sat, Sep 5
Air Canada Logo
8:00 am - 9:54 pmSEA  Seattle/Tacoma Intl-YHZ Halifax Intl
9h 54m1 stop Toronto Pearson Intl
Air Canada Logo
4:10 pm - 9:04 pmYHZ  Halifax Intl-SEA Seattle/Tacoma Intl
8h 54m1 stop Toronto Pearson Intl
$315Air Canada
Sat, Sep 19 - Sat, Sep 26
Air Canada Logo
8:00 am - 12:35 amSEA  Seattle/Tacoma Intl-YHZ Halifax Intl
12h 35m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
4:10 pm - 9:04 pmYHZ  Halifax Intl-SEA Seattle/Tacoma Intl
8h 54m1 stop Toronto Pearson Intl
$315Air Canada
Sat, Sep 19 - Sat, Sep 26
Delta Logo
5:30 am - 11:18 pmSEA  Seattle/Tacoma Intl-YHZ Halifax Intl
13h 48m2 stops Detroit Metropolitan Wayne County New York LaGuardia
Delta Logo
6:30 am - 6:45 pmYHZ  Halifax Intl-SEA Seattle/Tacoma Intl
16h 15m2 stops New York LaGuardia Detroit Metropolitan Wayne County
$391Delta
Tue, Aug 25 - Wed, Sep 2
Delta Logo
7:00 am - 9:20 pmSEA  Seattle/Tacoma Intl-YHZ Halifax Intl
10h 20m1 stop Calgary
Delta Logo
3:35 pm - 9:00 pmYHZ  Halifax Intl-SEA Seattle/Tacoma Intl
9h 25m1 stop Calgary
$447Delta
Tue, Aug 25 - Wed, Sep 2

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United Airlines flights from Seattle to Halifax

Our best United Airlines deals on Seattle to Halifax flight tickets
United Airlines
Nov 6
SEA11:15 pmSeattle/Tacoma Intl
10h 09m
1 stop
YHZ1:24 pmHalifax Intl
Nov 11
YHZ2:10 pmHalifax Intl
11h 29m
1 stop
SEA9:39 pmSeattle/Tacoma Intl
$361
United Airlines
Sep 22
SEA10:58 pmSeattle/Tacoma Intl
11h 05m
1 stop
YHZ2:03 pmHalifax Intl
Sep 29
YHZ2:50 pmHalifax Intl
11h 05m
1 stop
SEA9:55 pmSeattle/Tacoma Intl
$369
United Airlines
Nov 7
SEA3:49 pmSeattle/Tacoma Intl
17h 35m
2 stops
YHZ1:24 pmHalifax Intl
Nov 13
YHZ2:10 pmHalifax Intl
11h 29m
1 stop
SEA9:39 pmSeattle/Tacoma Intl
$371

Delta flights from Seattle to Halifax

Our best Delta deals on Seattle to Halifax flight tickets
Delta
Aug 25
SEA5:30 amSeattle/Tacoma Intl
13h 48m
2 stops
YHZ11:18 pmHalifax Intl
Sep 2
YHZ6:30 amHalifax Intl
16h 15m
2 stops
SEA6:45 pmSeattle/Tacoma Intl
$391
Delta
Aug 21
SEA7:00 amSeattle/Tacoma Intl
8h 10m
1 stop
YHZ7:10 pmHalifax Intl
Aug 25
YHZ3:30 pmHalifax Intl
12h 27m
2 stops
SEA11:57 pmSeattle/Tacoma Intl
$482
Delta
Aug 21
SEA7:00 amSeattle/Tacoma Intl
8h 10m
1 stop
YHZ7:10 pmHalifax Intl
Aug 25
YHZ3:35 pmHalifax Intl
9h 25m
1 stop
SEA9:00 pmSeattle/Tacoma Intl
$503

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Halifax 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 7, 2026.
Use the filters below to find and compare flights from Seattle to Halifax that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

SeattleHalifax

SEA Seattle/Tacoma Intl - YHZ Halifax Intl

SEAYHZ

Seattle/Tacoma Intl

Thu 8/27

7:00 am-7:10 pm

1 stop8h 10m

Halifax Intl

Sat 9/5

3:35 pm-9:00 pm

1 stop9h 25m

$272

SeattleHalifax

SEA Seattle/Tacoma Intl - YHZ Halifax Intl

SEAYHZ

Seattle/Tacoma Intl

Wed 9/9

7:35 pm-8:10 am

1 stop8h 35m

Halifax Intl

Wed 9/16

9:50 am-6:45 pm

2 stops12h 55m

$277

SeattleHalifax

SEA Seattle/Tacoma Intl - YHZ Halifax Intl

SEAYHZ

Seattle/Tacoma Intl

Thu 8/27

7:00 am-7:10 pm

1 stop8h 10m

Halifax Intl

Sat 9/5

3:35 pm-9:00 pm

1 stop9h 25m

$280

SeattleHalifax

SEA Seattle/Tacoma Intl - YHZ Halifax Intl

SEAYHZ

Seattle/Tacoma Intl

Thu 8/27

7:00 am-7:10 pm

1 stop8h 10m

Halifax Intl

Sat 9/5

12:35 pm-9:07 pm

2 stops12h 32m

$300

SeattleHalifax

SEA Seattle/Tacoma Intl - YHZ Halifax Intl

SEAYHZ

Seattle/Tacoma Intl

Thu 8/27

7:00 am-9:05 pm

2 stops10h 05m

Halifax Intl

Sat 9/5

12:35 pm-9:07 pm

2 stops12h 32m

$304

SeattleHalifax

SEA Seattle/Tacoma Intl - YHZ Halifax Intl

SEAYHZ

Seattle/Tacoma Intl

Thu 8/27

7:00 am-9:05 pm

2 stops10h 05m

Halifax Intl

Sat 9/5

12:35 pm-9:07 pm

2 stops12h 32m

$308

SeattleHalifax

SEA Seattle/Tacoma Intl - YHZ Halifax Intl

SEAYHZ

Seattle/Tacoma Intl

Sat 9/19

8:00 am-9:54 pm

1 stop9h 54m

Halifax Intl

Sat 9/26

4:10 pm-9:04 pm

1 stop8h 54m

$315

SeattleHalifax

SEA Seattle/Tacoma Intl - YHZ Halifax Intl

SEAYHZ

Seattle/Tacoma Intl

Sat 9/19

8:00 am-12:35 am

2 stops12h 35m

Halifax Intl

Sat 9/26

4:10 pm-9:04 pm

1 stop8h 54m

$315

SeattleHalifax

SEA Seattle/Tacoma Intl - YHZ Halifax Intl

SEAYHZ

Seattle/Tacoma Intl

Tue 8/25

5:30 am-11:18 pm

2 stops13h 48m

Halifax Intl

Wed 9/2

6:30 am-6:45 pm

2 stops16h 15m

$391

SeattleHalifax

SEA Seattle/Tacoma Intl - YHZ Halifax Intl

SEAYHZ

Seattle/Tacoma Intl

Tue 8/25

7:00 am-9:20 pm

1 stop10h 20m

Halifax Intl

Wed 9/2

3:35 pm-9:00 pm

1 stop9h 25m

$447

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 Halifax from

How to get the cheapest flight ticket from Seattle to Halifax

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 Seattle and Halifax?

Prices are currently low for flights on this route.

Typical prices usually range from $303 to $547.
The lowest price recently found on this route was $272.

What is the cheapest month to fly to Halifax?

In general, November is the cheapest month to fly from Seattle to Halifax. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you’re not able to fly to Halifax in November, then February is your next best option. Flight prices from Seattle to Halifax during February average around $0.

How far in advance should I book a flight from Seattle to Halifax?

You are more likely to see cheaper flights to Halifax from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Halifax for around $605 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Halifax from Seattle for as low as $290 on momondo.

Can stopping save me money on Seattle to Halifax flights?

You could potentially save up to 7% on your flight if you consider stops on a Seattle to Halifax flight.

When to book flights from Seattle to Halifax

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Halifax according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Halifax (SEA to YHZ) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Halifax

Fastest flight time

8h 04m

Direct flights

None
The fastest flight from Seattle to Halifax takes 8h 04m
There are no direct flights from Seattle to Halifax. There are no popular flight routes from Seattle to Halifax.
Search flight deals

Frequently asked questions about flying from Seattle to Halifax

  • How far is Seattle/Tacoma Intl to Halifax Intl by plane?

    Halifax Intl is 2751.5 mi away from Seattle/Tacoma Intl. A reasonable flight in good conditions will take 8h 04m.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Halifax Intl Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Halifax Intl Airport are updated daily.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Halifax Intl Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Halifax 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 Seattle/Tacoma Intl Airport to Halifax Intl Airport.

  • What documentation or ID do you need to fly to Halifax Intl Airport?

    The required travel and health documents for your Halifax 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 Halifax 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 Seattle to Halifax?

Best airlines flying from Seattle to Halifax

Compare and see reviews for airlines that fly from Seattle to Halifax with momondo
Airline
Rating
Free Cancellation
Price
WestJetPriceFrom $227Free CancellationRating
7.2
3,426 reviews
Search WestJet flights
Air CanadaPriceFrom $266Free CancellationRating
7.1
11,437 reviews
Search Air Canada flights
DeltaPriceFrom $284Free CancellationRating
7.8
8,502 reviews
Search Delta flights

Traveling to a place near Halifax?

Book flights to Halifax if you plan to visit one of these locations
Dartmouth
Enfield
Bridgewater
Lunenburg
Liverpool
Truro
Windsor

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Seattle to Halifax. momondo saves you time and could save you money on your trip.

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

All flight searches from Seattle to Halifax on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Seattle to Halifax?

momondo helps you find the best flight between Seattle and Halifax by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Seattle to Halifax right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Seattle to Halifax flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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