What is the cheapest airline that flies from Halifax Intl to Seattle/Tacoma Intl?

WestJet is the most popular carrier operating from Halifax Intl to Seattle/Tacoma Intl

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.

$252 Cheap Flights from Halifax to Seattle in 2026

1 adult

0 bags

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Halifax to Seattle

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:50 am - 6:45 pm

YHZ

SEA

12h 55m

2 stops

7:35 pm - 10:45 am

SEA

YHZ

11h 10m

2 stops

$252WestJet

Thu, May 7 - Tue, May 12

9:50 am - 6:45 pm

YHZ

SEA

12h 55m

2 stops

7:35 pm - 8:10 am

SEA

YHZ

8h 35m

1 stop

$265WestJet

Mon, Apr 27 - Thu, Apr 30

9:50 am - 6:45 pm

YHZ

SEA

12h 55m

2 stops

7:35 pm - 10:45 am

SEA

YHZ

11h 10m

2 stops

$272WestJet

Mon, Apr 27 - Thu, Apr 30

9:50 am - 6:45 pm

YHZ

SEA

12h 55m

2 stops

7:35 pm - 5:15 pm

SEA

YHZ

17h 40m

1 stop

$276WestJet

Thu, May 7 - Tue, May 12

4:40 pm - 6:45 pm

YHZ

SEA

30h 05m

2 stops

7:35 pm - 8:10 am

SEA

YHZ

8h 35m

1 stop

$282WestJet

Mon, Apr 27 - Thu, Apr 30

4:40 pm - 9:40 am

YHZ

SEA

21h 00m

2 stops

7:35 pm - 8:10 am

SEA

YHZ

8h 35m

1 stop

$284WestJet

Mon, Apr 27 - Thu, Apr 30

8:00 pm - 9:40 am

YHZ

SEA

17h 40m

1 stop

7:00 am - 7:10 pm

SEA

YHZ

8h 10m

1 stop

$288WestJet

Sat, Jun 6 - Sat, Jun 20

6:15 pm - 6:45 pm

YHZ

SEA

28h 30m

1 stop

7:35 pm - 8:10 am

SEA

YHZ

8h 35m

1 stop

$289WestJet

Mon, Apr 27 - Thu, Apr 30

3:35 pm - 9:40 am

YHZ

SEA

22h 05m

1 stop

7:35 pm - 8:10 am

SEA

YHZ

8h 35m

1 stop

$290WestJet

Mon, Apr 27 - Thu, Apr 30

4:40 pm - 9:40 am

YHZ

SEA

21h 00m

2 stops

7:35 pm - 10:45 am

SEA

YHZ

11h 10m

2 stops

$291WestJet

Mon, Apr 27 - Thu, Apr 30

United Airlines flights from Halifax to Seattle

Our best United Airlines deals on Halifax to Seattle flight tickets

United Airlines

Apr 13

YHZ7:00 amHalifax Intl

21h 34m

2 stops

SEA12:34 amSeattle/Tacoma Intl

Apr 20

SEA1:58 pmSeattle/Tacoma Intl

22h 05m

2 stops

YHZ4:03 pmHalifax Intl

$427

United Airlines

Apr 14

YHZ5:05 amHalifax Intl

22h 22m

3 stops

SEA11:27 pmSeattle/Tacoma Intl

Apr 20

SEA1:58 pmSeattle/Tacoma Intl

22h 05m

2 stops

YHZ4:03 pmHalifax Intl

$429

United Airlines

Apr 14

YHZ9:00 amHalifax Intl

14h 00m

2 stops

SEA7:00 pmSeattle/Tacoma Intl

Apr 14

SEA11:59 pmSeattle/Tacoma Intl

20h 50m

2 stops

YHZ12:49 amHalifax Intl

$438

American Airlines flights from Halifax to Seattle

Our best American Airlines deals on Halifax to Seattle flight tickets

American Airlines

Apr 2

YHZ6:30 amHalifax Intl

21h 54m

2 stops

SEA12:24 amSeattle/Tacoma Intl

Apr 7

SEA10:47 pmSeattle/Tacoma Intl

21h 32m

2 stops

YHZ12:19 amHalifax Intl

$481

American Airlines

Mar 19

YHZ1:10 pmHalifax Intl

14h 03m

2 stops

SEA11:13 pmSeattle/Tacoma Intl

Mar 25

SEA12:59 amSeattle/Tacoma Intl

16h 38m

3 stops

YHZ9:37 pmHalifax Intl

$902

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Thu 5/7

9:50 am-6:45 pm

2 stops12h 55m

Seattle/Tacoma Intl

Tue 5/12

7:35 pm-10:45 am

2 stops11h 10m

$252

Quickest round-trip

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

$265

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-10:45 am

2 stops11h 10m

$272

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Thu 5/7

9:50 am-6:45 pm

2 stops12h 55m

Seattle/Tacoma Intl

Tue 5/12

7:35 pm-5:15 pm

1 stop17h 40m

$276

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Mon 4/27

4:40 pm-6:45 pm

2 stops30h 05m

Seattle/Tacoma Intl

Thu 4/30

7:35 pm-8:10 am

1 stop8h 35m

$282

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Mon 4/27

4:40 pm-9:40 am

2 stops21h 00m

Seattle/Tacoma Intl

Thu 4/30

7:35 pm-8:10 am

1 stop8h 35m

$284

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Sat 6/6

8:00 pm-9:40 am

1 stop17h 40m

Seattle/Tacoma Intl

Sat 6/20

7:00 am-7:10 pm

1 stop8h 10m

$288

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Mon 4/27

6:15 pm-6:45 pm

1 stop28h 30m

Seattle/Tacoma Intl

Thu 4/30

7:35 pm-8:10 am

1 stop8h 35m

$289

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Mon 4/27

3:35 pm-9:40 am

1 stop22h 05m

Seattle/Tacoma Intl

Thu 4/30

7:35 pm-8:10 am

1 stop8h 35m

$290

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Mon 4/27

4:40 pm-9:40 am

2 stops21h 00m

Seattle/Tacoma Intl

Thu 4/30

7:35 pm-10:45 am

2 stops11h 10m

$291

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first

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

Prices

Airlines

What is the cheapest month to fly to Seattle?

In general, April 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 $319. If you don’t want to visit Seattle in April, then you should wait until July to fly from Halifax, when ticket prices are also cheap, with an average price of $402.

Can stopping save me money on Halifax to Seattle flights?

You could potentially save up to 14% 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	12h 09m
Direct flights	None

The fastest flight from Halifax to Seattle takes 12h 09m

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. 12h 09m 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.

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Kent

Redmond

Marysville

Puyallup

Cle Elum

Lakewood

Tukwila

Federal Way

Fife

Westport

Centralia

Kirkland

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.