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$165+ Cheap flights from Seattle (SEA) to Halifax (YHZ)

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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YHZ
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Halifax Intl are usually found in April or September, booked 24 days in advance, depart on a Monday or Wednesday and return on a Tuesday

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 July 30, 2025.

Round-trip from

$343
(Booking.com)

One-way from

$165
(Mytrip)

Popular in

February

Cheapest in

April

Average price

$515
From Seattle/Tacoma Intl to Halifax Intl
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One-way flight from Seattle/Tacoma Intl to Halifax Intl
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Highest demand for flights based on searches. 16% potential increase in price ($111 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 30, 2025.

This Booking.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/41:50 pmSEA - YHZ
2 stops12h 09mMultiple Airlines
Sun 9/75:25 amYHZ - SEA
1 stop9h 34mMultiple Airlines
Deal found 7/29$343
This Booking.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/45:30 amSEA - YHZ
1 stop8h 56mAir Canada
Sun 9/75:25 amYHZ - SEA
1 stop9h 34mAir Canada
Deal found 7/29$346
This oojo deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/187:05 amSEA - YHZ
2 stops11h 34mWestJet
Tue 9/236:30 pmYHZ - SEA
2 stops29h 59mWestJet
Deal found 7/28$384
This American Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1912:46 amSEA - YHZ
2 stops9h 58mAmerican Airlines
Wed 8/273:24 pmYHZ - SEA
2 stops12h 17mAmerican Airlines
Deal found 7/29$522

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 2,558,603 searches. Data last updated July 30, 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

Thu 9/4

1:50 pm-5:59 am

2 stops12h 09m

Halifax Intl

Sun 9/7

5:25 am-10:59 am

1 stop9h 34m

$343

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Thu 9/4

5:30 am-6:26 pm

1 stop8h 56m

Halifax Intl

Sun 9/7

5:25 am-10:59 am

1 stop9h 34m

$346

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Thu 9/18

7:05 am-10:39 pm

2 stops11h 34m

Halifax Intl

Tue 9/23

6:30 pm-8:29 pm

2 stops29h 59m

$384

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Tue 8/19

12:46 am-2:44 pm

2 stops9h 58m

Halifax Intl

Wed 8/27

3:24 pm-11:41 pm

2 stops12h 17m

$522

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Fri 9/12

1:50 pm-5:59 am

2 stops12h 09m

$165

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Mon 9/8

7:15 am-7:15 pm

1 stop8h 00m

$201

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Mon 9/8

1:49 pm-8:44 pm

3 stops50h 55m

$211

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Wed 8/20

12:46 am-2:44 pm

2 stops9h 58m

$244

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Wed 8/13

6:45 am-11:55 pm

2 stops13h 10m

$264

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

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 July 25, 2025.

The price you pay for your flight from Seattle to Halifax may vary depending on when you book. For the best chance of a lower fare, look to book 23 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, January is the cheapest month in which you can book a flight from Seattle to Halifax (average of $375). Flying from Seattle to Halifax in May is currently the most expensive (average of $498). 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 July 30, 2025.

A simple way to save on the total cost of your ticket is to fly from Seattle to Halifax in the afternoon. If you’re flexible enough to do this you can expect to save up to 29% on your trip compared to booking a flight at noon.

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 July 30, 2025.
See what other customers who have flown with United Airlines, American Airlines, and WestJet from Seattle to Halifax have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,896 reviews

Crew

8.1

Entertainment

7.1

Boarding

7.7

Food

6.6

Comfort

7.3

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,896 reviews
United Airlines
7.4
Good
8,896 reviews

Crew

8.1

Entertainment

7.1

Boarding

7.7

Food

6.6

Comfort

7.3

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,896 reviews

Crew

8.1

Entertainment

7.1

Boarding

7.7

Food

6.6

Comfort

7.3

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
WestJet
7.2
Good
2,975 reviews
United Airlines
7.4
Good
8,896 reviews

Crew

8.1

Entertainment

7.1

Boarding

7.7

Food

6.6

Comfort

7.3

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Air Canada
7.1
Good
9,837 reviews
United Airlines
7.4
Good
8,896 reviews

Crew

8.1

Entertainment

7.1

Boarding

7.7

Food

6.6

Comfort

7.3

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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

    Air Canada, at $346, was found to be the cheapest airline from Seattle to Halifax.Alternate airlines to your destination round-trip include WestJet and American Airlines. You may be able to fly from Seattle to Halifax for 38% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Seattle to Halifax one-way?

    To fly one-way, consider booking your trip with WestJet, which is currently one of the cheapest options available, starting at $165. Air Canada flights start at $201 while deals on American Airlines start at $244 one-way.

  • 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, January is the cheapest month in which you can book a flight from Seattle to Halifax (average of $375). Flying from Seattle to Halifax in May is currently the most expensive (average of $498). 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

Traveling to a place near Halifax?

Book flights to Halifax if you plan to visit one of these locations
Dartmouth
Bridgewater

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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
Seattle to Charlottetown flights
Seattle to St John flights
Seattle to Sydney flights

Top 3 airlines flying from Seattle to Halifax

Discover the top 3 airlines 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 2,558,603 searches. Data last updated July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$203Average$526FlexibilityNo cancel feeOn-time69%
WestJetCheapest$344Average$512FlexibilityNo cancel feeOn-time60%
Air CanadaCheapest$346Average$577FlexibilityNo cancel feeOn-time67%

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