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Cheap flights from Seattle to Halifax from $151

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 11/20. 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 Seattle to Halifax

Cheap round-trip flights

WestJet Logo
1:50 pm - 5:59 amSEA-YHZ
12h 09m2 stops
WestJet Logo
7:00 am - 12:35 pmYHZ-SEA
9h 35m1 stop
$239WestJet
Find Deal
Thu, Oct 2 - Sun, Oct 12
WestJet Logo
7:05 am - 7:09 pmSEA-YHZ
8h 04m1 stop
WestJet Logo
7:00 am - 12:35 pmYHZ-SEA
9h 35m1 stop
$245WestJet
Find Deal
Tue, Oct 7 - Sun, Oct 12
WestJet Logo
1:50 pm - 5:59 amSEA-YHZ
12h 09m2 stops
WestJet Logo
7:00 am - 12:35 pmYHZ-SEA
9h 35m1 stop
$247WestJet
Find Deal
Fri, Oct 10 - Sun, Oct 12
WestJet Logo
8:40 am - 9:43 pmSEA-YHZ
9h 03m1 stop
WestJet Logo
7:00 am - 12:35 pmYHZ-SEA
9h 35m1 stop
$271WestJet
Find Deal
Fri, Oct 3 - Sun, Oct 12
Multiple Airlines Logo
11:10 pm - 12:24 amSEA-YHZ
21h 14m2 stops
Multiple Airlines Logo
7:00 am - 12:35 pmYHZ-SEA
9h 35m1 stop
$300Multiple Airlines
Find Deal
Sun, Oct 5 - Sun, Oct 12
Multiple Airlines Logo
7:05 am - 7:09 pmSEA-YHZ
8h 04m1 stop
Multiple Airlines Logo
11:00 pm - 12:59 pmYHZ-SEA
17h 59m2 stops
$311Multiple Airlines
Find Deal
Tue, Oct 7 - Mon, Oct 20
Air Canada Logo
12:00 pm - 1:49 amSEA-YHZ
9h 49m1 stop
Air Canada Logo
5:45 am - 2:16 pmYHZ-SEA
12h 31m2 stops
$336Air Canada
Find Deal
Tue, Oct 7 - Wed, Oct 8
Air Canada Logo
10:00 am - 1:49 amSEA-YHZ
11h 49m2 stops
Air Canada Logo
5:45 am - 2:16 pmYHZ-SEA
12h 31m2 stops
$341Air Canada
Find Deal
Tue, Oct 7 - Wed, Oct 8
United Airlines Logo
12:00 pm - 1:49 amSEA-YHZ
9h 49m1 stop
United Airlines Logo
5:25 am - 10:59 amYHZ-SEA
9h 34m1 stop
$366United Airlines
Find Deal
Wed, Oct 8 - Sun, Oct 12
United Airlines Logo
7:37 pm - 3:53 pmSEA-YHZ
16h 16m2 stops
United Airlines Logo
5:25 am - 10:59 amYHZ-SEA
9h 34m1 stop
$373United Airlines
Find Deal
Fri, Oct 3 - Thu, Oct 9

WestJet flights from Seattle to Halifax

Our best WestJet deals on Seattle to Halifax flight tickets
WestJet
Oct 2
SEA1:50 pmSeattle/Tacoma Intl
12h 09m
2 stops
YHZ5:59 amHalifax Intl
Oct 12
YHZ7:00 amHalifax Intl
9h 35m
1 stop
SEA12:35 pmSeattle/Tacoma Intl
$239
Find similar
WestJet
Oct 7
SEA7:05 amSeattle/Tacoma Intl
8h 04m
1 stop
YHZ7:09 pmHalifax Intl
Oct 12
YHZ7:00 amHalifax Intl
9h 35m
1 stop
SEA12:35 pmSeattle/Tacoma Intl
$245
Find similar
WestJet
Oct 10
SEA1:50 pmSeattle/Tacoma Intl
12h 09m
2 stops
YHZ5:59 amHalifax Intl
Oct 12
YHZ7:00 amHalifax Intl
9h 35m
1 stop
SEA12:35 pmSeattle/Tacoma Intl
$247
Find similar

United Airlines flights from Seattle to Halifax

Our best United Airlines deals on Seattle to Halifax flight tickets
United Airlines
Oct 8
SEA12:00 pmSeattle/Tacoma Intl
9h 49m
1 stop
YHZ1:49 amHalifax Intl
Oct 12
YHZ5:25 amHalifax Intl
9h 34m
1 stop
SEA10:59 amSeattle/Tacoma Intl
$366
Find similar
United Airlines
Oct 3
SEA7:37 pmSeattle/Tacoma Intl
16h 16m
2 stops
YHZ3:53 pmHalifax Intl
Oct 9
YHZ5:25 amHalifax Intl
9h 34m
1 stop
SEA10:59 amSeattle/Tacoma Intl
$373
Find similar
United Airlines
Oct 6
SEA10:54 pmSeattle/Tacoma Intl
11h 09m
1 stop
YHZ2:03 pmHalifax Intl
Oct 8
YHZ5:25 amHalifax Intl
9h 34m
1 stop
SEA10:59 amSeattle/Tacoma Intl
$374
Find similar

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 September 17, 2025.
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

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Thu 10/2

1:50 pm-5:59 am

2 stops12h 09m

Halifax Intl

Sun 10/12

7:00 am-12:35 pm

1 stop9h 35m

$239

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Tue 10/7

7:05 am-7:09 pm

1 stop8h 04m

Halifax Intl

Sun 10/12

7:00 am-12:35 pm

1 stop9h 35m

$245

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Fri 10/10

1:50 pm-5:59 am

2 stops12h 09m

Halifax Intl

Sun 10/12

7:00 am-12:35 pm

1 stop9h 35m

$247

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Fri 10/3

8:40 am-9:43 pm

1 stop9h 03m

Halifax Intl

Sun 10/12

7:00 am-12:35 pm

1 stop9h 35m

$271

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Sun 10/5

11:10 pm-12:24 am

2 stops21h 14m

Halifax Intl

Sun 10/12

7:00 am-12:35 pm

1 stop9h 35m

$300

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Tue 10/7

7:05 am-7:09 pm

1 stop8h 04m

Halifax Intl

Mon 10/20

11:00 pm-12:59 pm

2 stops17h 59m

$311

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Tue 10/7

12:00 pm-1:49 am

1 stop9h 49m

Halifax Intl

Wed 10/8

5:45 am-2:16 pm

2 stops12h 31m

$336

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Tue 10/7

10:00 am-1:49 am

2 stops11h 49m

Halifax Intl

Wed 10/8

5:45 am-2:16 pm

2 stops12h 31m

$341

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Wed 10/8

12:00 pm-1:49 am

1 stop9h 49m

Halifax Intl

Sun 10/12

5:25 am-10:59 am

1 stop9h 34m

$366

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Fri 10/3

7:37 pm-3:53 pm

2 stops16h 16m

Halifax Intl

Thu 10/9

5:25 am-10:59 am

1 stop9h 34m

$373

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 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 cheapest month to fly to Halifax?

In general, April 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 $260. If you’re not able to fly to Halifax in April, then September is your next best option. Flight prices from Seattle to Halifax during September average around $493.

What is the cheapest day to depart on your flight to Halifax?

According to our data, Monday is the cheapest day to fly to Halifax from Seattle. The lowest ticket price found for a Monday departure recently was $431. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Halifax is Sunday, with ticket prices averaging around $565.

What is the cheapest time of day to depart on your flight to Halifax?

The cheapest time of day to fly to Halifax is in the afternoon when flights can be purchased for as low as $438. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $612 on average. Flights to Halifax from Seattle at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight 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 $565 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 $346 on momondo.

Can stopping save me money on Seattle to Halifax flights?

You could potentially save up to 16% 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

Direct flights

None
There are no direct flights from Seattle to Halifax. There are no popular flight routes from Seattle to Halifax.
Search flight deals

  • 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 03m.

  • 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
United AirlinesPriceFrom $204Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
WestJetPriceFrom $341Free CancellationRating
7.2
3,095 reviews
Search WestJet flights
Air CanadaPriceFrom $346Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights

Traveling to a place near Halifax?

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

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.

An easier way to manage your Halifax 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.
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