HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Halifax

$104+ 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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YHZ
Oct 14 — Oct 211
Tue 10/14
Tue 10/21
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Seattle to Halifax with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Halifax Intl are usually found in April or September, booked 57 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 September 14, 2025.

Round-trip from

$239
(Kiwi.com)

One-way from

$104
(Trip.com)

Popular in

February

Cheapest in

April

Average price

$493
From Seattle/Tacoma Intl to Halifax Intl
Search Deals
One-way flight from Seattle/Tacoma Intl to Halifax Intl
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($111 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

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 September 14, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/21:50 pmSEA - YHZ
2 stops12h 09mWestJet
Sun 10/127:00 amYHZ - SEA
1 stop9h 35mWestJet
Deal found 9/12$239
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/77:05 amSEA - YHZ
1 stop8h 04mWestJet
Sun 10/127:00 amYHZ - SEA
1 stop9h 35mWestJet
Deal found 9/12$245
This oojo deal was found by Cheapflights users on 9/14. 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.
Fri 10/101:50 pmSEA - YHZ
2 stops12h 09mWestJet
Sun 10/127:00 amYHZ - SEA
1 stop9h 35mWestJet
Deal found 9/14$247
This WestJet deal was found by Cheapflights users on 9/12. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/81:50 pmSEA - YHZ
2 stops12h 09mWestJet
Sun 10/127:00 amYHZ - SEA
1 stop9h 35mWestJet
Deal found 9/12$283
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/31:15 pmSEA - YHZ
2 stops22h 55mMultiple Airlines
Sun 10/127:00 amYHZ - SEA
1 stop9h 35mMultiple Airlines
Deal found 9/12$284
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/48:42 amSEA - YHZ
2 stops11h 42mMultiple Airlines
Sun 10/127:00 amYHZ - SEA
1 stop9h 35mMultiple Airlines
Deal found 9/12$300
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/611:10 pmSEA - YHZ
2 stops14h 29mMultiple Airlines
Sun 10/127:00 amYHZ - SEA
1 stop9h 35mMultiple Airlines
Deal found 9/12$312
This WestJet deal was found by Cheapflights users on 9/12. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/21:50 pmSEA - YHZ
2 stops12h 09mWestJet
Sat 10/116:00 pmYHZ - SEA
2 stops22h 35mWestJet
Deal found 9/12$315
This oojo deal was found by Cheapflights users on 9/13. 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.
Tue 10/283:10 pmSEA - YHZ
2 stops30h 32mWestJet
Tue 11/46:55 amYHZ - SEA
2 stops35h 25mWestJet
Deal found 9/13$322

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 September 14, 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 10/2

1:50 pm-5:59 am

2 stops12h 09m

Halifax Intl

Sun 10/12

7:00 am-12:35 pm

1 stop9h 35m

$239

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Fri 10/10

1:50 pm-5:59 am

2 stops12h 09m

Halifax Intl

Sun 10/12

7:00 am-12:35 pm

1 stop9h 35m

$247

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Fri 10/3

1:15 pm-5:59 am

1 stop12h 44m

Halifax Intl

Sun 10/12

7:00 am-12:35 pm

1 stop9h 35m

$273

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Wed 10/8

1:50 pm-5:59 am

2 stops12h 09m

Halifax Intl

Sun 10/12

7:00 am-12:35 pm

1 stop9h 35m

$283

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Thu 10/2

1:50 pm-5:59 am

2 stops12h 09m

Halifax Intl

Sat 10/11

6:00 pm-12:35 pm

2 stops22h 35m

$315

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Wed 10/8

1:50 pm-5:59 am

2 stops12h 09m

Halifax Intl

Sat 10/11

8:05 pm-12:35 pm

2 stops20h 30m

$315

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Tue 10/7

2:05 pm-5:59 am

2 stops11h 54m

Halifax Intl

Sat 10/11

8:05 pm-12:35 pm

2 stops20h 30m

$315

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Tue 10/28

3:10 pm-1:42 am

2 stops30h 32m

Halifax Intl

Tue 11/4

6:55 am-2:20 pm

2 stops35h 25m

$322

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Thu 10/30

3:10 pm-6:03 am

2 stops34h 53m

Halifax Intl

Mon 11/3

6:10 pm-2:20 pm

1 stop24h 10m

$323

SeattleHalifax

SEA - YHZ

SEAYHZ

Seattle/Tacoma Intl

Tue 10/7

7:05 am-7:09 pm

1 stop8h 04m

$104

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

Showing 1-10 of 15 results
1
2

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 September 12, 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 56 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 December is currently the most expensive (average of $497). 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 September 14, 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 September 14, 2025.
See what other customers who have flown with United Airlines, WestJet, and Air Canada 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
8,934 reviews

Overall

7.4

Crew

8.1

Entertainment

7.1

Boarding

7.7

Food

6.6

Comfort

7.3

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
8,934 reviews
United Airlines
7.4
Good
8,934 reviews

Overall

7.4

Crew

8.1

Entertainment

7.1

Boarding

7.7

Food

6.6

Comfort

7.3

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
3,091 reviews
United Airlines
7.4
Good
8,934 reviews

Overall

7.4

Crew

8.1

Entertainment

7.1

Boarding

7.7

Food

6.6

Comfort

7.3

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
10,000 reviews
United Airlines
7.4
Good
8,934 reviews

Overall

7.4

Crew

8.1

Entertainment

7.1

Boarding

7.7

Food

6.6

Comfort

7.3

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.

  • How long is the flight from Seattle to Halifax?

    WestJet can get you from Seattle to Halifax in just under 12h 09m. Your travel time can differ by up to . Airlines will cover a distance of 2749 mi.

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

    United Airlines, at $204, was found to be the cheapest airline from Seattle to Halifax.Alternate airlines to your destination round-trip include WestJet and Air Canada. You may be able to fly from Seattle to Halifax for 63% less than the average price by searching for these airlines.

  • 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 December is currently the most expensive (average of $497). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 September 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$204Average$526FlexibilityNo cancel feeOn-time69%
WestJetCheapest$341Average$512FlexibilityNo cancel feeOn-time60%
Air CanadaCheapest$346Average$578FlexibilityNo cancel feeOn-time67%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.