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Cheap flights from Halifax to Seattle from $138

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 4/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Halifax to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
WestJet Logo
9:50 am - 6:45 pm
YHZ
-
SEA
12h 55m
2 stops
WestJet Logo
7:35 pm - 8:10 am
SEA
-
YHZ
8h 35m
1 stop
$219WestJet
Sun, Apr 26 - Thu, Apr 30
WestJet Logo
9:50 am - 6:45 pm
YHZ
-
SEA
12h 55m
2 stops
WestJet Logo
7:35 pm - 8:10 am
SEA
-
YHZ
8h 35m
1 stop
$231WestJet
Sun, Apr 26 - Thu, Apr 30
WestJet Logo
9:50 am - 6:45 pm
YHZ
-
SEA
12h 55m
2 stops
WestJet Logo
7:35 pm - 8:10 am
SEA
-
YHZ
8h 35m
1 stop
$232WestJet
Mon, Apr 27 - Thu, Apr 30
WestJet Logo
9:50 am - 6:45 pm
YHZ
-
SEA
12h 55m
2 stops
WestJet Logo
7:35 pm - 10:45 am
SEA
-
YHZ
11h 10m
2 stops
$238WestJet
Sun, Apr 26 - Thu, Apr 30
WestJet Logo
6:15 pm - 9:40 am
YHZ
-
SEA
19h 25m
1 stop
WestJet Logo
7:35 pm - 8:10 am
SEA
-
YHZ
8h 35m
1 stop
$264WestJet
Sun, Apr 26 - Thu, Apr 30
WestJet Logo
7:45 am - 6:45 pm
YHZ
-
SEA
15h 00m
1 stop
WestJet Logo
7:35 pm - 8:10 am
SEA
-
YHZ
8h 35m
1 stop
$265WestJet
Mon, Apr 27 - Thu, Apr 30
WestJet Logo
8:20 am - 2:19 pm
YHZ
-
SEA
9h 59m
1 stop
WestJet Logo
3:10 pm - 1:41 am
SEA
-
YHZ
30h 31m
2 stops
$271WestJet
Thu, Feb 26 - Mon, Mar 2
WestJet Logo
7:45 am - 6:45 pm
YHZ
-
SEA
15h 00m
1 stop
WestJet Logo
10:30 am - 8:10 am
SEA
-
YHZ
17h 40m
1 stop
$287WestJet
Sun, Apr 26 - Thu, Apr 30
WestJet Logo
6:10 pm - 2:19 pm
YHZ
-
SEA
24h 09m
1 stop
WestJet Logo
3:10 pm - 1:41 am
SEA
-
YHZ
30h 31m
2 stops
$302WestJet
Wed, Feb 25 - Mon, Mar 2
WestJet Logo
6:10 pm - 2:19 pm
YHZ
-
SEA
24h 09m
1 stop
WestJet Logo
3:10 pm - 1:41 am
SEA
-
YHZ
30h 31m
2 stops
$303WestJet
Wed, Feb 25 - Mon, Mar 2

United Airlines flights from Halifax to Seattle

Our best United Airlines deals on Halifax to Seattle flight tickets
United Airlines
Mar 7
YHZ2:58 pmHalifax Intl
11h 55m
1 stop
SEA10:53 pmSeattle/Tacoma Intl
Mar 14
SEA8:00 amSeattle/Tacoma Intl
10h 26m
1 stop
YHZ10:26 pmHalifax Intl
$403
United Airlines
Mar 7
YHZ5:05 amHalifax Intl
21h 36m
2 stops
SEA10:41 pmSeattle/Tacoma Intl
Mar 14
SEA8:00 amSeattle/Tacoma Intl
10h 26m
1 stop
YHZ10:26 pmHalifax Intl
$411
United Airlines
Feb 25
YHZ7:00 amHalifax Intl
19h 16m
1 stop
SEA10:16 pmSeattle/Tacoma Intl
Mar 2
SEA11:35 pmSeattle/Tacoma Intl
10h 39m
1 stop
YHZ2:14 pmHalifax Intl
$435

WestJet flights from Halifax to Seattle

Our best WestJet deals on Halifax to Seattle flight tickets
WestJet
Apr 26
YHZ9:50 amHalifax Intl
12h 55m
2 stops
SEA6:45 pmSeattle/Tacoma Intl
Apr 30
SEA7:35 pmSeattle/Tacoma Intl
8h 35m
1 stop
YHZ8:10 amHalifax Intl
$231
WestJet
Apr 26
YHZ9:50 amHalifax Intl
12h 55m
2 stops
SEA6:45 pmSeattle/Tacoma Intl
Apr 30
SEA7:35 pmSeattle/Tacoma Intl
8h 35m
1 stop
YHZ8:10 amHalifax Intl
$232
WestJet
Apr 26
YHZ9:50 amHalifax Intl
12h 55m
2 stops
SEA6:45 pmSeattle/Tacoma Intl
Apr 30
SEA7:35 pmSeattle/Tacoma Intl
11h 10m
2 stops
YHZ10:45 amHalifax Intl
$238

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 February 9, 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

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Sun 4/26

9:50 am-6:45 pm

2 stops12h 55m

Seattle/Tacoma Intl

Thu 4/30

7:35 pm-8:10 am

1 stop8h 35m

$219

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Sun 4/26

9:50 am-6:45 pm

2 stops12h 55m

Seattle/Tacoma Intl

Thu 4/30

7:35 pm-8:10 am

1 stop8h 35m

$231

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Mon 4/27

9:50 am-6:45 pm

2 stops12h 55m

Seattle/Tacoma Intl

Thu 4/30

7:35 pm-8:10 am

1 stop8h 35m

$232

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Sun 4/26

9:50 am-6:45 pm

2 stops12h 55m

Seattle/Tacoma Intl

Thu 4/30

7:35 pm-10:45 am

2 stops11h 10m

$238

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Sun 4/26

6:15 pm-9:40 am

1 stop19h 25m

Seattle/Tacoma Intl

Thu 4/30

7:35 pm-8:10 am

1 stop8h 35m

$264

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Mon 4/27

7:45 am-6:45 pm

1 stop15h 00m

Seattle/Tacoma Intl

Thu 4/30

7:35 pm-8:10 am

1 stop8h 35m

$265

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Thu 2/26

8:20 am-2:19 pm

1 stop9h 59m

Seattle/Tacoma Intl

Mon 3/2

3:10 pm-1:41 am

2 stops30h 31m

$271

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Sun 4/26

7:45 am-6:45 pm

1 stop15h 00m

Seattle/Tacoma Intl

Thu 4/30

10:30 am-8:10 am

1 stop17h 40m

$287

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Wed 2/25

6:10 pm-2:19 pm

1 stop24h 09m

Seattle/Tacoma Intl

Mon 3/2

3:10 pm-1:41 am

2 stops30h 31m

$302

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Wed 2/25

6:10 pm-2:19 pm

1 stop24h 09m

Seattle/Tacoma Intl

Mon 3/2

3:10 pm-1:41 am

2 stops30h 31m

$303

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?

What is the cheapest month to fly to Seattle?

In general, July 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 $404. If you don’t want to visit Seattle in July, then you should wait until June to fly from Halifax, when ticket prices are also cheap, with an average price of $413.

Can stopping save me money on Halifax to Seattle flights?

You could potentially save up to 52% on your flight if you consider stops on a Halifax to Seattle flight.

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 59m

Direct flights

None
The fastest flight from Halifax to Seattle takes 9h 59m
There are no direct flights from Halifax to Seattle. There are no popular flight routes from Halifax to Seattle.
Search flight deals

  • 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 59m 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 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.

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
Lynnwood
Kent
Marysville
Redmond
Puyallup
Cle Elum
Tukwila
Lakewood
Federal Way
Westport
Kirkland
Centralia
Fife
Tumwater

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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