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Cheap flights from Seattle to Halifax from $137

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 9/24. 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
7:35 pm - 8:10 am
SEA
-
YHZ
8h 35m
1 stop
WestJet Logo
9:50 am - 6:45 pm
YHZ
-
SEA
12h 55m
2 stops
$290WestJet
Sat, Sep 12 - Sat, Sep 19
WestJet Logo
7:35 pm - 8:10 am
SEA
-
YHZ
8h 35m
1 stop
WestJet Logo
9:50 am - 6:45 pm
YHZ
-
SEA
12h 55m
2 stops
$301WestJet
Thu, Sep 17 - Tue, Sep 22
WestJet Logo
7:35 pm - 8:10 am
SEA
-
YHZ
8h 35m
1 stop
WestJet Logo
9:50 am - 6:45 pm
YHZ
-
SEA
12h 55m
2 stops
$313WestJet
Sat, Sep 12 - Wed, Sep 23
WestJet Logo
7:00 am - 7:10 pm
SEA
-
YHZ
8h 10m
1 stop
WestJet Logo
9:50 am - 6:45 pm
YHZ
-
SEA
12h 55m
2 stops
$317WestJet
Fri, Aug 14 - Thu, Aug 27
WestJet Logo
7:35 pm - 10:45 am
SEA
-
YHZ
11h 10m
2 stops
WestJet Logo
9:50 am - 6:45 pm
YHZ
-
SEA
12h 55m
2 stops
$319WestJet
Sat, Sep 12 - Wed, Sep 23
WestJet Logo
7:35 pm - 8:10 am
SEA
-
YHZ
8h 35m
1 stop
WestJet Logo
7:45 am - 6:45 pm
YHZ
-
SEA
15h 00m
1 stop
$321WestJet
Sat, Sep 12 - Sat, Sep 19
WestJet Logo
7:35 pm - 8:10 am
SEA
-
YHZ
8h 35m
1 stop
WestJet Logo
6:15 pm - 9:40 am
YHZ
-
SEA
19h 25m
1 stop
$322WestJet
Thu, Sep 17 - Tue, Sep 22
WestJet Logo
7:00 am - 7:10 pm
SEA
-
YHZ
8h 10m
1 stop
WestJet Logo
9:50 am - 6:45 pm
YHZ
-
SEA
12h 55m
2 stops
$325WestJet
Fri, Aug 14 - Mon, Aug 31
WestJet Logo
7:00 am - 7:10 pm
SEA
-
YHZ
8h 10m
1 stop
WestJet Logo
3:35 pm - 9:00 pm
YHZ
-
SEA
9h 25m
1 stop
$326WestJet
Fri, Aug 14 - Sat, Aug 29
WestJet Logo
7:35 pm - 10:45 am
SEA
-
YHZ
11h 10m
2 stops
WestJet Logo
9:50 am - 6:45 pm
YHZ
-
SEA
12h 55m
2 stops
$327WestJet
Thu, Sep 17 - Tue, Sep 22

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WestJet flights from Seattle to Halifax

Our best WestJet deals on Seattle to Halifax flight tickets
WestJet
Sep 12
SEA7:35 pmSeattle/Tacoma Intl
8h 35m
1 stop
YHZ8:10 amHalifax Intl
Sep 19
YHZ9:50 amHalifax Intl
12h 55m
2 stops
SEA6:45 pmSeattle/Tacoma Intl
$290
WestJet
Sep 17
SEA7:35 pmSeattle/Tacoma Intl
8h 35m
1 stop
YHZ8:10 amHalifax Intl
Sep 22
YHZ9:50 amHalifax Intl
12h 55m
2 stops
SEA6:45 pmSeattle/Tacoma Intl
$301
WestJet
Sep 12
SEA7:35 pmSeattle/Tacoma Intl
8h 35m
1 stop
YHZ8:10 amHalifax Intl
Sep 23
YHZ9:50 amHalifax Intl
12h 55m
2 stops
SEA6:45 pmSeattle/Tacoma Intl
$313

American Airlines flights from Seattle to Halifax

Our best American Airlines deals on Seattle to Halifax flight tickets
American Airlines
Jun 26
SEA1:58 pmSeattle/Tacoma Intl
19h 25m
1 stop
YHZ1:23 pmHalifax Intl
Jun 28
YHZ2:27 pmHalifax Intl
12h 31m
1 stop
SEA10:58 pmSeattle/Tacoma Intl
$711
American Airlines
Jun 26
SEA3:05 pmSeattle/Tacoma Intl
18h 18m
1 stop
YHZ1:23 pmHalifax Intl
Jun 30
YHZ3:12 pmHalifax Intl
22h 15m
2 stops
SEA9:27 amSeattle/Tacoma Intl
$721
American Airlines
Jun 26
SEA3:05 pmSeattle/Tacoma Intl
18h 18m
1 stop
YHZ1:23 pmHalifax Intl
Jun 28
YHZ4:09 pmHalifax Intl
12h 50m
2 stops
SEA12:59 amSeattle/Tacoma Intl
$749

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 June 22, 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

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Sat 9/12

7:35 pm-8:10 am

1 stop8h 35m

Halifax Intl

Sat 9/19

9:50 am-6:45 pm

2 stops12h 55m

$290

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Thu 9/17

7:35 pm-8:10 am

1 stop8h 35m

Halifax Intl

Tue 9/22

9:50 am-6:45 pm

2 stops12h 55m

$301

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Sat 9/12

7:35 pm-8:10 am

1 stop8h 35m

Halifax Intl

Wed 9/23

9:50 am-6:45 pm

2 stops12h 55m

$313

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Fri 8/14

7:00 am-7:10 pm

1 stop8h 10m

Halifax Intl

Thu 8/27

9:50 am-6:45 pm

2 stops12h 55m

$317

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Sat 9/12

7:35 pm-10:45 am

2 stops11h 10m

Halifax Intl

Wed 9/23

9:50 am-6:45 pm

2 stops12h 55m

$319

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Sat 9/12

7:35 pm-8:10 am

1 stop8h 35m

Halifax Intl

Sat 9/19

7:45 am-6:45 pm

1 stop15h 00m

$321

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Thu 9/17

7:35 pm-8:10 am

1 stop8h 35m

Halifax Intl

Tue 9/22

6:15 pm-9:40 am

1 stop19h 25m

$322

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Fri 8/14

7:00 am-7:10 pm

1 stop8h 10m

Halifax Intl

Mon 8/31

9:50 am-6:45 pm

2 stops12h 55m

$325
Quickest round-trip

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Fri 8/14

7:00 am-7:10 pm

1 stop8h 10m

Halifax Intl

Sat 8/29

3:35 pm-9:00 pm

1 stop9h 25m

$326

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Thu 9/17

7:35 pm-10:45 am

2 stops11h 10m

Halifax Intl

Tue 9/22

9:50 am-6:45 pm

2 stops12h 55m

$327

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?

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 $614 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 14% 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 10m

Direct flights

None
The fastest flight from Seattle to Halifax takes 8h 10m
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 10m.

  • 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
3,377 reviews
Search WestJet flights
DeltaPriceFrom $244Free CancellationRating
7.8
8,422 reviews
Search Delta flights
Air CanadaPriceFrom $266Free CancellationRating
7.1
11,238 reviews
Search Air Canada flights

Traveling to a place near Halifax?

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

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