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Cheap flights from Seattle to Halifax from $171

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 8/12. 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
0 bags

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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
$347WestJet
Sat, Aug 29 - Mon, Sep 7
WestJet Logo
7:35 pm - 8:10 am
SEA
-
YHZ
8h 35m
1 stop
WestJet Logo
3:35 pm - 9:00 pm
YHZ
-
SEA
9h 25m
1 stop
$350WestJet
Sat, Aug 29 - Mon, Sep 7
Multiple Airlines Logo
8:00 am - 10:09 pm
SEA
-
YHZ
10h 09m
1 stop
Multiple Airlines Logo
9:50 am - 6:45 pm
YHZ
-
SEA
12h 55m
2 stops
$361Multiple Airlines
Sat, Jun 6 - Fri, Jun 12
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
$373WestJet
Wed, Oct 14 - Tue, Oct 20
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
$375WestJet
Sun, Aug 16 - Tue, Aug 25
WestJet Logo
7:00 am - 9:15 pm
SEA
-
YHZ
10h 15m
1 stop
WestJet Logo
6:15 pm - 9:40 am
YHZ
-
SEA
19h 25m
1 stop
$377WestJet
Sun, Aug 16 - Tue, Aug 25
WestJet Logo
7:00 am - 9:15 pm
SEA
-
YHZ
10h 15m
1 stop
WestJet Logo
9:50 am - 6:45 pm
YHZ
-
SEA
12h 55m
2 stops
$378WestJet
Tue, Sep 8 - Mon, Sep 14
WestJet Logo
7:35 pm - 8:10 am
SEA
-
YHZ
8h 35m
1 stop
WestJet Logo
8:00 pm - 9:40 am
YHZ
-
SEA
17h 40m
1 stop
$379WestJet
Mon, Jul 13 - Sun, Jul 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
$381WestJet
Mon, Aug 10 - Thu, Aug 20
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
$384WestJet
Tue, Sep 8 - Mon, Sep 14

WestJet flights from Seattle to Halifax

Our best WestJet deals on Seattle to Halifax flight tickets
WestJet
Aug 29
SEA7:35 pmSeattle/Tacoma Intl
8h 35m
1 stop
YHZ8:10 amHalifax Intl
Sep 7
YHZ9:50 amHalifax Intl
12h 55m
2 stops
SEA6:45 pmSeattle/Tacoma Intl
$347
WestJet
Aug 29
SEA7:35 pmSeattle/Tacoma Intl
8h 35m
1 stop
YHZ8:10 amHalifax Intl
Sep 7
YHZ3:35 pmHalifax Intl
9h 25m
1 stop
SEA9:00 pmSeattle/Tacoma Intl
$350
WestJet
Oct 14
SEA7:35 pmSeattle/Tacoma Intl
11h 10m
2 stops
YHZ10:45 amHalifax Intl
Oct 20
YHZ9:50 amHalifax Intl
12h 55m
2 stops
SEA6:45 pmSeattle/Tacoma Intl
$373

Air Canada flights from Seattle to Halifax

Our best Air Canada deals on Seattle to Halifax flight tickets
Air Canada
Jun 6
SEA8:00 amSeattle/Tacoma Intl
11h 56m
2 stops
YHZ11:56 pmHalifax Intl
Jun 12
YHZ6:20 amHalifax Intl
18h 48m
2 stops
SEA9:08 pmSeattle/Tacoma Intl
$393
Air Canada
Oct 14
SEA8:00 amSeattle/Tacoma Intl
9h 54m
1 stop
YHZ9:54 pmHalifax Intl
Oct 20
YHZ2:05 pmHalifax Intl
10h 59m
1 stop
SEA9:04 pmSeattle/Tacoma Intl
$413
Air Canada
Sep 25
SEA8:00 amSeattle/Tacoma Intl
11h 55m
2 stops
YHZ11:55 pmHalifax Intl
Sep 29
YHZ4:10 pmHalifax Intl
8h 54m
1 stop
SEA9:04 pmSeattle/Tacoma Intl
$422

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 May 17, 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 8/29

7:35 pm-8:10 am

1 stop8h 35m

Halifax Intl

Mon 9/7

9:50 am-6:45 pm

2 stops12h 55m

$347

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Sat 8/29

7:35 pm-8:10 am

1 stop8h 35m

Halifax Intl

Mon 9/7

3:35 pm-9:00 pm

1 stop9h 25m

$350

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Sat 6/6

8:00 am-10:09 pm

1 stop10h 09m

Halifax Intl

Fri 6/12

9:50 am-6:45 pm

2 stops12h 55m

$361

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Wed 10/14

7:35 pm-10:45 am

2 stops11h 10m

Halifax Intl

Tue 10/20

9:50 am-6:45 pm

2 stops12h 55m

$373
Quickest round-trip

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Sun 8/16

7:00 am-7:10 pm

1 stop8h 10m

Halifax Intl

Tue 8/25

3:35 pm-9:00 pm

1 stop9h 25m

$375

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Sun 8/16

7:00 am-9:15 pm

1 stop10h 15m

Halifax Intl

Tue 8/25

6:15 pm-9:40 am

1 stop19h 25m

$377

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Tue 9/8

7:00 am-9:15 pm

1 stop10h 15m

Halifax Intl

Mon 9/14

9:50 am-6:45 pm

2 stops12h 55m

$378

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Mon 7/13

7:35 pm-8:10 am

1 stop8h 35m

Halifax Intl

Sun 7/19

8:00 pm-9:40 am

1 stop17h 40m

$379

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Mon 8/10

7:35 pm-8:10 am

1 stop8h 35m

Halifax Intl

Thu 8/20

6:15 pm-9:40 am

1 stop19h 25m

$381

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Tue 9/8

7:35 pm-10:45 am

2 stops11h 10m

Halifax Intl

Mon 9/14

9:50 am-6:45 pm

2 stops12h 55m

$384

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 $573 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 $340 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
DeltaPriceFrom $216Free CancellationRating
7.9
8,454 reviews
Search Delta flights
WestJetPriceFrom $227Free CancellationRating
7.2
3,336 reviews
Search WestJet flights
Air CanadaPriceFrom $266Free CancellationRating
7.1
11,050 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.

An easier way to manage your Halifax trip

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