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Cheap flights from Seattle to Halifax from C$ 216

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 17/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YHZ
19 Aug — 26 Aug1
1 adult

Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Halifax Intl are usually found in April or September, booked 23 days in advance, depart on a Monday or Tuesday and return on a Sunday

Cheap flight deals from Seattle to Halifax

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Halifax (YHZ). 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 14 August 2025.

Round-trip from

C$ 492

One-way from

C$ 216

Popular in

February

Cheapest in

April

Average price

C$ 742
WestJet
  • WestJet
  • 16/9-21/9
  • 3 total stops
  • 21h 09m total
  • Seattle to Halifax
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WestJet
  • WestJet
  • 17/10
  • 2 total stops
  • 12h 09m total
  • Seattle to Halifax
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (C$ 204 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 40 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Seattle to Halifax

Cheapest flights from Seattle to Halifax
Explore the most affordable flight options available from Seattle to Halifax. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 August 2025.

Tue 16/97:05 a.m.SEA - YHZ
2 stops11h 34mWestJet
Sun 21/97:00 a.m.YHZ - SEA
1 stop9h 35mWestJet
Deal found 12/8C$ 492
Thu 4/91:50 p.m.SEA - YHZ
1 stop23h 14mWestJet
Mon 8/98:30 a.m.YHZ - SEA
2 stops15h 59mWestJet
Deal found 12/8C$ 496
Wed 1/101:50 p.m.SEA - YHZ
2 stops12h 09mWestJet
Mon 6/106:00 p.m.YHZ - SEA
1 stop29h 14mWestJet
Deal found 13/8C$ 507
Sun 5/107:55 a.m.SEA - YHZ
2 stops34h 44mMultiple Airlines
Tue 14/108:00 a.m.YHZ - SEA
1 stop8h 59mMultiple Airlines
Deal found 13/8C$ 562

Cheapflights 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, Cheapflights users made 629,999 searches. Data last updated 14 August 2025.
Use the filters below to find and compare flights from Seattle to Halifax that are best for you.

Fly from

Seattle

Fly to

Halifax

Route

Depart

Return

Price

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Tue 16/9

7:05 a.m.-10:39 p.m.

2 stops11h 34m

Halifax Intl

Sun 21/9

7:00 a.m.-12:35 p.m.

1 stop9h 35m

C$ 492

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Wed 1/10

1:50 p.m.-5:59 a.m.

2 stops12h 09m

Halifax Intl

Mon 6/10

8:30 a.m.-8:29 p.m.

2 stops15h 59m

C$ 496

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Thu 4/9

1:50 p.m.-5:04 p.m.

1 stop23h 14m

Halifax Intl

Mon 8/9

8:30 a.m.-8:29 p.m.

2 stops15h 59m

C$ 496

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Fri 17/10

1:50 p.m.-5:59 a.m.

2 stops12h 09m

C$ 216

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Thu 21/8

7:35 p.m.-6:01 a.m.

2 stops30h 26m

C$ 323

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Thu 1/1

8:00 p.m.-11:54 a.m.

2 stops11h 54m

C$ 357

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Thu 1/1

3:10 p.m.-12:12 p.m.

3 stops17h 02m

C$ 511

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Thu 16/10

12:17 a.m.-5:39 p.m.

2 stops13h 22m

C$ 527

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Thu 21/8

5:02 a.m.-11:55 p.m.

2 stops14h 53m

C$ 597

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Thu 21/8

9:45 p.m.-1:39 p.m.

1 stop11h 54m

C$ 602

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/8

Best time to book a flight from Seattle to Halifax

Have a flexible travel schedule? Discover the best time to fly to Halifax from Seattle 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 Seattle to Halifax

How far ahead should I book a flight from Seattle to Halifax?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Halifax. Price data was last updated on 8 August 2025.

The best time to book flights from Seattle to Halifax is 23 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, May is the cheapest month in which you can book a flight from Seattle to Halifax (average of C$ 183). Flying from Seattle to Halifax in December is currently the most expensive (average of C$ 306). 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.

What is the cheapest time of day to fly from SEA to YHZ?

Find hourly flight availability from Seattle to Halifax. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 14 August 2025.

One of the essential ways to save on airfare from Seattle to Halifax is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 22% on airfare.

What’s the top layover airport for flights from Seattle to Halifax?

Share of one-stop round-trip flights from Seattle to Halifax chosen by Cheapflights users in the past 12 months, using the same layover each way.

Calgary (YYC) – chosen by Cheapflights users on 55% of one-stop itineraries from Seattle to Halifax on Cheapflights.

What’s the cheapest layover airport for flights from Seattle to Halifax?

Average round-trip fare for 1-stop flights from Seattle to Halifax, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Toronto (YYZ) is the most affordable 1-stop option, with an average round-trip price of C$ 701.

What’s the fastest layover option from Seattle to Halifax?

Shortest average travel time for 1-stop one-way flights from Seattle to Halifax, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Toronto (YYZ) have the shortest average one-way travel time for 1-stop routes: 10h 10m.

Which airport typically offers the quickest layover for flights from Seattle to Halifax?

Average layover duration for 1-stop one-way flights from Seattle to Halifax, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Toronto (YYZ) offer the fastest connection on this route, with an average layover time of 2h 40m.

Reviews of airlines servicing Halifax

Get insights into the airlines that provide service to Halifax. 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 Halifax. Reviews last updated 14 August 2025.
Read reviews from past customers who have flown Air Canada from Seattle to Halifax. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Canada
7.1
Good
9,949 reviews
Check prices

Boarding

7.3

Comfort

7.1

Entertainment

6.8

Food

6.3

Overall

7.1

Crew

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Nov 2024

YYT - YHZ

No leg room plane was so small no room to move no room to sit squat in your seat my legs were so swollen up at the end of flight
Air Canada
7.1
Good
9,949 reviews
Air Canada
7.1
Good
9,949 reviews
Check prices

Boarding

7.3

Comfort

7.1

Entertainment

6.8

Food

6.3

Overall

7.1

Crew

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Nov 2024

YYT - YHZ

No leg room plane was so small no room to move no room to sit squat in your seat my legs were so swollen up at the end of flight

Related info for your journey

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

  • What is the cheapest airline to fly from Seattle to Halifax round-trip?

    Our cheapest airline available from Seattle to Halifax is Air Canada. Our recent data shows that you can find tickets from as low as C$ 268 on this airline. Users have found that Air Canada is 65% cheaper than the other options available to this destination.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle to Halifax 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 Seattle to Halifax?

    Currently, May is the cheapest month in which you can book a flight from Seattle to Halifax (average of C$ 183). Flying from Seattle to Halifax in December is currently the most expensive (average of C$ 306). 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 Halifax?

Book flights to Halifax if you plan to visit one of these locations
Truro
Dartmouth
Bridgewater
Lunenburg
Windsor
Enfield
Mahone Bay

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Seattle to Halifax

See prices for flight routes from nearby airports that may be better suited for you.
Portland to Halifax flights
Portland to Charlottetown flights
Spokane to Halifax flights
Portland to Sydney flights

Top airline flying from Seattle to Halifax

Discover the top airline that operate flights from Seattle to Halifax. 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 14 August 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 268AverageC$ 677FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

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

When you search for this flight from Seattle to Halifax, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Cheapflights helps you find that perfect flight to Halifax from Seattle by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Need flexible booking options for your flight to Halifax from Seattle? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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