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Cheap flights from Halifax to Seattle from C$ 233

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30/9. Fares are subject to change and may not be available on all flights or dates of travel.
YHZ — SEA
30 Jul — 6 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Halifax to Seattle

Enter your travel dates to find the best prices.

Cheapest flights from Halifax to Seattle
Explore the most affordable flight options available from Halifax to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 June 2026.

Sat 5/99:50 a.m.
YHZ
-
SEA
2 stops12h 55m
WestJet
Mon 14/97:35 p.m.
SEA
-
YHZ
1 stop8h 35m
WestJet
Deal found 30/6C$ 322
Thu 9/73:35 p.m.
YHZ
-
SEA
1 stop9h 25m
WestJet
Mon 13/77:35 p.m.
SEA
-
YHZ
1 stop8h 35m
WestJet
Deal found 25/6C$ 336
Sat 18/73:35 p.m.
YHZ
-
SEA
1 stop9h 25m
WestJet
Wed 22/77:00 a.m.
SEA
-
YHZ
1 stop10h 20m
WestJet
Deal found 26/6C$ 354
Fri 11/93:35 p.m.
YHZ
-
SEA
1 stop31h 10m
WestJet
Thu 17/97:35 p.m.
SEA
-
YHZ
1 stop8h 35m
WestJet
Deal found 30/6C$ 366

Find flight deals from Halifax to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Halifax (YHZ) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 30 June 2026.

Round-trip from

C$ 322

One-way from

C$ 233

Popular in

October

Cheapest in

May

Average price

C$ 599
WestJet
  • WestJet
  • 11/9-17/9
  • 3 total stops
  • 21h 30m total
  • Halifax to Seattle
Search Deals
Air Canada
  • Air Canada
  • 30/9
  • 1 total stop
  • 8h 54m total
  • Halifax to Seattle
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (C$ 148 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 50 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights 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, Cheapflights users made 629,999 searches. Data last updated 30 June 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

Cheapest round-trip
Quickest round-trip

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Fri 11/9

9:50 a.m.-6:45 p.m.

2 stops12h 55m

Seattle/Tacoma Intl

Thu 17/9

7:35 p.m.-8:10 a.m.

1 stop8h 35m

C$ 325

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Sat 5/9

9:50 a.m.-6:45 p.m.

2 stops12h 55m

Seattle/Tacoma Intl

Mon 14/9

7:35 p.m.-8:10 a.m.

1 stop8h 35m

C$ 325
Cheapest one-way
Quickest one-way

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Wed 30/9

4:10 p.m.-9:04 p.m.

1 stop8h 54m

C$ 233

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Mon 14/9

4:40 p.m.-9:40 a.m.

2 stops21h 00m

C$ 234

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Tue 18/8

4:40 p.m.-9:40 a.m.

2 stops21h 00m

C$ 239

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Wed 30/9

7:00 a.m.-10:59 p.m.

2 stops19h 59m

C$ 240

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Mon 21/12

6:00 a.m.-8:59 p.m.

1 stop18h 59m

C$ 285

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Tue 18/8

3:30 p.m.-10:05 p.m.

1 stop10h 35m

C$ 291

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Sun 9/8

8:30 a.m.-6:45 p.m.

2 stops38h 15m

C$ 292

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Sat 19/12

7:15 a.m.-8:59 p.m.

2 stops17h 44m

C$ 294

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/6

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

Best time to book a flight from Halifax to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Halifax with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Halifax to Seattle

What is the cheapest month to book a flight from Halifax to Seattle?

Currently, May is the cheapest month in which you can book a flight from Halifax to Seattle (average of C$ 478). Flying from Halifax to Seattle in October is currently the most expensive (average of C$ 1,069). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Halifax to Seattle?

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated 30 June 2026.
Check out reviews from past customers who have flown with WestJet and Air Canada from Halifax to Seattle to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
WestJet
7.2
Good
3,390 reviews
Check prices

Boarding

7.4

Comfort

7.0

Crew

7.9

Entertainment

6.1

Overall

7.2

Food

6.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2024

YYZ - MCO

Friendly staff and thanks to the pilots who take care of us during the flights.
WestJet
7.2
Good
3,390 reviews
WestJet
7.2
Good
3,390 reviews
Check prices

Boarding

7.4

Comfort

7.0

Crew

7.9

Entertainment

6.1

Overall

7.2

Food

6.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2024

YYZ - MCO

Friendly staff and thanks to the pilots who take care of us during the flights.
Air Canada
7.1
Good
11,275 reviews
WestJet
7.2
Good
3,390 reviews
Check prices

Boarding

7.4

Comfort

7.0

Crew

7.9

Entertainment

6.1

Overall

7.2

Food

6.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2024

YYZ - MCO

Friendly staff and thanks to the pilots who take care of us during the flights.

Related info for your journey

Find useful and relevant information for your journey from Halifax to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Halifax to Seattle?

    Airlines like WestJet fly from Halifax to Seattle in about 12h 55m. The time it takes to get you to your destination can typically vary by up to . The distance from Halifax to Seattle is about 4424 km.

  • What are the cheapest airlines flying from Halifax to Seattle round-trip?

    Flying on WestJet is currently your cheapest option to Seattle, with prices starting at C$ 275. Another option worth looking into is Air Canada, starting at C$ 546 round trip. WestJet is 60% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from Halifax to Seattle that include hotel bookings?

    Yes. In addition to deals on Halifax to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Halifax to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Halifax to Seattle.

  • Can I find deals for business class flights from Halifax to Seattle?

    Yes. Cheapflights offers flight deals from Halifax to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Halifax to Seattle?

    Currently, May is the cheapest month in which you can book a flight from Halifax to Seattle (average of C$ 478). Flying from Halifax to Seattle in October is currently the most expensive (average of C$ 1,069). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Kent
Leavenworth
Mukilteo
Tacoma
Renton
Cashmere
Lynnwood
Tukwila
Olympia
Marysville
Federal Way
Kirkland

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Halifax to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
St John to Portland flights

Top 2 airlines flying from Halifax to Seattle

Discover the top 2 airlines that operate flights from Halifax to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 30 June 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 275AverageC$ 492FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 546AverageC$ 785FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Halifax to Seattle?

Cheapflights helps you search for flights from Halifax to Seattle via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Halifax to Seattle?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Halifax to Seattle.

Can Cheapflights find flights from Halifax to Seattle with no change fees?

Yes! Cheapflights helps users easily find flights from Halifax to Seattle with no change fees.

Can Cheapflights notify me if prices for flights from Halifax to Seattle become cheaper?

Of course! You can now track prices for flights from Halifax to Seattle and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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