$297+ Cheap flights from Seattle (SEA) to Halifax (YHZ)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/19. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YHZ
Oct 15 — Oct 221
Round-trip
1 adult, Economy
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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.Cheap flight deals from Seattle to Halifax
Cheapest
Best
Last-minute
One-way
Cheapest flights from Seattle to HalifaxExplore 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 15, 2026.
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 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 10/197:35 pm -
1 stop8h 35m
Wed 10/219:50 am -
2 stops12h 55m
Deal found 9/10![WestJet logo]()
$297
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/87:35 pm -
1 stop19h 35m
Sun 10/119:50 am -
2 stops12h 55m
Deal found 9/13![WestJet logo]()
$316
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/283:30 pm -
1 stop11h 10m
Wed 11/46:30 am -
1 stop11h 10m
Deal found 9/13![WestJet logo]()
$320
This FlightHub deal was found by Cheapflights users on 9/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/112:30 pm -
1 stop11h 10m
Sat 11/146:30 am -
1 stop11h 10m
Deal found 9/11![WestJet logo]()
$322
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/17:35 pm -
2 stops11h 10m
Mon 10/56:15 pm -
1 stop28h 30m
Deal found 9/12![WestJet logo]()
$326
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 10/37:35 pm -
1 stop8h 35m
Wed 10/78:15 pm -
2 stops26h 30m
Deal found 9/12![WestJet logo]()
$330
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 9/297:35 pm -
2 stops11h 10m
Wed 10/76:15 pm -
1 stop28h 30m
Deal found 9/12![WestJet logo]()
$336
Best flights from Seattle to HalifaxDiscover carefully curated flight deals from Seattle to Halifax that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2026.
Discover carefully curated flight deals from Seattle to Halifax that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2026.
This United deal was found by Cheapflights users on 9/10. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1910:48 pm -
1 stop11h 15m
Tue 10/275:15 am -
2 stops13h 22m
Deal found 9/10![Multiple Airlines logo]()
$375
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1910:48 pm -
1 stop11h 15m
Tue 10/272:10 pm -
1 stop11h 29m
Deal found 9/10![United Airlines logo]()
$377
This Air Canada deal was found by Cheapflights users on 9/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/128:40 am -
2 stops13h 18m
Sun 11/155:15 am -
2 stops13h 22m
Deal found 9/10![Air Canada logo]()
$384
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/207:00 am -
1 stop12h 55m
Sat 10/247:00 am -
1 stop19h 36m
Deal found 9/13![United Airlines logo]()
$377
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/235:07 pm -
1 stop18h 58m
Sat 10/312:10 pm -
1 stop12h 01m
Deal found 9/13![United Airlines logo]()
$377
Last-minute flights from Seattle to HalifaxDiscover last-minute flight deals from Seattle to Halifax. Data last updated September 15, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Halifax. Data last updated September 15, 2026 and is based on user searches.
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 9/297:35 pm -
2 stops11h 10m
Wed 10/76:15 pm -
1 stop28h 30m
Deal found 9/12![WestJet logo]()
$336
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/17:35 pm -
2 stops11h 10m
Mon 10/56:15 pm -
1 stop28h 30m
Deal found 9/12![WestJet logo]()
$326
This Justfly.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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/27:35 pm -
2 stops21h 30m
Mon 10/56:15 pm -
1 stop28h 30m
Deal found 9/12![WestJet logo]()
$357
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 10/37:35 pm -
1 stop8h 35m
Wed 10/78:15 pm -
2 stops26h 30m
Deal found 9/12![WestJet logo]()
$330
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/87:35 pm -
1 stop19h 35m
Sun 10/119:50 am -
2 stops12h 55m
Deal found 9/13![WestJet logo]()
$316
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 10/197:35 pm -
1 stop8h 35m
Wed 10/219:50 am -
2 stops12h 55m
Deal found 9/10![WestJet logo]()
$297
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/283:30 pm -
1 stop11h 10m
Wed 11/46:30 am -
1 stop11h 10m
Deal found 9/13![WestJet logo]()
$320
One-way flights from Seattle to HalifaxSearch for one-way flight options from Seattle to Halifax. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.
Search for one-way flight options from Seattle to Halifax. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.
This oojo deal was found by Cheapflights users on 9/11. 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.
Mon 10/1910:30 am -
2 stops28h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![WestJet logo]()
$345
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 10/198:47 pm -
3 stops20h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Multiple Airlines logo]()
$403
Find 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 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $297 (Kiwi.com) |
Popular in | December |
Cheapest in | August |
Average price | $494 |
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 7,457,451 searches. Data last updated September 15, 2026.
Use the filters below to find and compare flights from Seattle to Halifax that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleHalifax
SEA Seattle/Tacoma Intl - YHZ Halifax Intl
SEAYHZ
Seattle/Tacoma Intl
Mon 10/19
10:48 pm-2:03 pm
1 stop11h 15m
Halifax Intl
Tue 10/27
5:15 am-2:37 pm
2 stops13h 22m
$375
SeattleHalifax
SEA Seattle/Tacoma Intl - YHZ Halifax Intl
SEAYHZ
Seattle/Tacoma Intl
Mon 10/19
10:48 pm-2:03 pm
1 stop11h 15m
Halifax Intl
Tue 10/27
2:10 pm-9:39 pm
1 stop11h 29m
$377
SeattleHalifax
SEA Seattle/Tacoma Intl - YHZ Halifax Intl
SEAYHZ
Seattle/Tacoma Intl
Tue 10/20
7:00 am-11:55 pm
1 stop12h 55m
Halifax Intl
Sat 10/24
7:00 am-10:36 pm
1 stop19h 36m
$377
SeattleHalifax
SEA Seattle/Tacoma Intl - YHZ Halifax Intl
SEAYHZ
Seattle/Tacoma Intl
Fri 10/23
5:07 pm-4:05 pm
1 stop18h 58m
Halifax Intl
Sat 10/31
2:10 pm-10:11 pm
1 stop12h 01m
$377
SeattleHalifax
SEA Seattle/Tacoma Intl - YHZ Halifax Intl
SEAYHZ
Seattle/Tacoma Intl
Thu 11/12
8:40 am-1:58 am
2 stops13h 18m
Halifax Intl
Sun 11/15
5:15 am-2:37 pm
2 stops13h 22m
$384
Quickest round-trip
SeattleHalifax
SEA Seattle/Tacoma Intl - YHZ Halifax Intl
SEAYHZ
Seattle/Tacoma Intl
Mon 10/19
8:47 pm-9:05 pm
3 stops20h 18m
Halifax Intl
Wed 12/31
12:00 am-8:00 pm
Nonstop0h 00m
$403
Sorted by cheapest first
Compare providers for flights from Seattle to Halifax
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Halifax in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Seattle-Halifax flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Halifax flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Halifax flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Seattle-Halifax flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Halifax flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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.
SEA-YHZ
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?
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 16 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
How much does it cost to fly round-trip from Seattle to Halifax?
Airfare is below average for this route at the moment.
Seattle to Halifax flights typically cost between $437 and $624 in October.The cheapest round-trip price found within the last 5 days was $297 on WestJet (Oct 19-Oct 21).
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 15, 2026.
See what other customers who have flown with Delta,WestJet, andAir 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.
Food
7.2
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Crew
8.5
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Crew
8.5
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Crew
8.5
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Crew
8.5
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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.
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Alternative routes for Seattle to Halifax
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Complete your trip
Complete your trip to Halifax by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Seattle to Halifax by cabin class
Find flights from Seattle to Halifax, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Halifax
Explore flights to Halifax departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 15, 2026.
Seattle and Halifax flights
Browse other Seattle and Halifax flight options. Last updated on September 15, 2026.
Other flights from Seattle
Browse through other flights departing from Seattle. Flights are based on user searches made on Cheapflights and were last updated on September 15, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 7,457,451 searches. Data last updated September 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$207 | Average$519 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$227 | Average$330 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$331 | Average$542 | FlexibilityNo cancel fee | On-time67% |