$153+ Cheap flights from Halifax (YHZ) to Seattle (SEA)
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.
YHZ — SEA
Jul 12 — Jul 191
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Halifax to Seattle 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 Halifax to Seattle
Cheapest
Best
Last-minute
One-way
Cheapest flights from Halifax to SeattleExplore 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 June 12, 2026.
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 June 12, 2026.
This oojo deal was found by Cheapflights users on 6/11. 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.
Sat 9/59:50 am
YHZ
- SEA
2 stops12h 55m
WestJet
Mon 9/147:35 pm
SEA
- YHZ
1 stop8h 35m
WestJet
Deal found 6/11![WestJet logo]()
$252
This oojo deal was found by Cheapflights users on 6/11. 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.
Fri 9/119:50 am
YHZ
- SEA
2 stops12h 55m
WestJet
Thu 9/177:35 pm
SEA
- YHZ
1 stop8h 35m
WestJet
Deal found 6/11![WestJet logo]()
$260
This Booking.com deal was found by Cheapflights users on 6/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/233:35 pm
YHZ
- SEA
1 stop9h 25m
WestJet
Sun 7/267:00 am
SEA
- YHZ
2 stops10h 25m
WestJet
Deal found 6/11![WestJet logo]()
$283
This WestJet deal was found by Cheapflights users on 6/10. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/249:50 am
YHZ
- SEA
2 stops12h 55m
WestJet
Sun 9/277:35 pm
SEA
- YHZ
1 stop8h 35m
WestJet
Deal found 6/10![WestJet logo]()
$300
Best flights from Halifax to SeattleDiscover carefully curated flight deals from Halifax to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 12, 2026.
Discover carefully curated flight deals from Halifax to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 12, 2026.
This oojo deal was found by Cheapflights users on 6/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/119:50 am
YHZ
- SEA
2 stops12h 55m
WestJet
Thu 9/177:35 pm
SEA
- YHZ
1 stop8h 35m
WestJet
Deal found 6/10![WestJet logo]()
$252
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Sat 9/512:40 pm
YHZ
- SEA
2 stops25h 21m
United Airlines
Mon 9/1410:58 pm
SEA
- YHZ
1 stop13h 02m
United Airlines
Deal found 6/9![United Airlines logo]()
$312
This Air Canada deal was found by Cheapflights users on 6/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:15 am
YHZ
- SEA
2 stops17h 49m
Air Canada
Sun 9/278:00 am
SEA
- YHZ
2 stops11h 55m
Air Canada
Deal found 6/11![Air Canada logo]()
$355
This Delta deal was found by Cheapflights users on 6/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/53:35 pm
YHZ
- SEA
1 stop9h 25m
Delta
Mon 9/147:35 pm
SEA
- YHZ
1 stop8h 35m
Delta
Deal found 6/8![Delta logo]()
$356
This oojo deal was found by Cheapflights users on 6/11. 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.
Sat 9/59:50 am
YHZ
- SEA
2 stops12h 55m
WestJet
Mon 9/147:35 pm
SEA
- YHZ
1 stop8h 35m
WestJet
Deal found 6/11![WestJet logo]()
$252
This oojo deal was found by Cheapflights users on 6/9. 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 7/178:00 pm
YHZ
- SEA
1 stop29h 00m
WestJet
Mon 7/2010:30 am
SEA
- YHZ
1 stop17h 40m
WestJet
Deal found 6/9![WestJet logo]()
$320
This Air Canada deal was found by Cheapflights users on 6/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/257:15 am
YHZ
- SEA
2 stops17h 49m
Air Canada
Tue 9/298:00 am
SEA
- YHZ
2 stops11h 55m
Air Canada
Deal found 6/12![Air Canada logo]()
$355
This WestJet deal was found by Cheapflights users on 6/12. 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.
Fri 9/254:40 pm
YHZ
- SEA
2 stops21h 00m
WestJet
Tue 9/297:35 pm
SEA
- YHZ
1 stop8h 35m
WestJet
Deal found 6/12![WestJet logo]()
$338
Last-minute flights from Halifax to SeattleDiscover last-minute flight deals from Halifax to Seattle. Data last updated June 12, 2026 and is based on user searches.
Discover last-minute flight deals from Halifax to Seattle. Data last updated June 12, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 6/9. 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 7/178:00 pm
YHZ
- SEA
1 stop29h 00m
WestJet
Mon 7/207:00 am
SEA
- YHZ
2 stops19h 55m
WestJet
Deal found 6/9![WestJet logo]()
$314
This American Airlines deal was found by Cheapflights users on 6/8. 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.
Wed 7/223:15 pm
YHZ
- SEA
2 stops13h 42m
American Airlines
Tue 8/43:20 pm
SEA
- YHZ
2 stops19h 58m
American Airlines
Deal found 6/8![American Airlines logo]()
$361
This American Airlines deal was found by Cheapflights users on 6/8. 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.
Wed 7/223:15 pm
YHZ
- SEA
2 stops13h 37m
American Airlines
Thu 8/68:10 am
SEA
- YHZ
1 stop25h 26m
American Airlines
Deal found 6/8![American Airlines logo]()
$379
This oojo deal was found by Cheapflights users on 6/8. 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.
Wed 7/224:40 pm
YHZ
- SEA
2 stops21h 00m
WestJet
Wed 8/57:00 am
SEA
- YHZ
2 stops23h 45m
WestJet
Deal found 6/8![WestJet logo]()
$426
This Booking.com deal was found by Cheapflights users on 6/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/233:35 pm
YHZ
- SEA
1 stop9h 25m
WestJet
Sun 7/267:00 am
SEA
- YHZ
2 stops10h 25m
WestJet
Deal found 6/11![WestJet logo]()
$283
This Delta deal was found by Cheapflights users on 6/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/233:35 pm
YHZ
- SEA
1 stop9h 25m
Delta
Sat 8/17:35 pm
SEA
- YHZ
1 stop8h 35m
Delta
Deal found 6/8![Delta logo]()
$393
This Booking.com deal was found by Cheapflights users on 6/8. 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 7/237:45 am
YHZ
- SEA
1 stop29h 55m
WestJet
Thu 7/307:35 pm
SEA
- YHZ
2 stops11h 10m
WestJet
Deal found 6/8![WestJet logo]()
$419
This Delta deal was found by Cheapflights users on 6/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/233:35 pm
YHZ
- SEA
1 stop9h 25m
Delta
Thu 7/307:35 pm
SEA
- YHZ
1 stop8h 35m
Delta
Deal found 6/8![Delta logo]()
$431
One-way flights from Halifax to SeattleSearch for one-way flight options from Halifax to Seattle. Find affordable one-way fares based on user searches. Data last updated June 12, 2026.
Search for one-way flight options from Halifax to Seattle. Find affordable one-way fares based on user searches. Data last updated June 12, 2026.
This oojo deal was found by Cheapflights users on 6/9. 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.
Wed 10/79:50 am
YHZ
- SEA
2 stops12h 55m
WestJet
Deal found 6/9![WestJet logo]()
$153
This Justfly.com deal was found by Cheapflights users on 6/9. 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.
Thu 10/89:50 am
YHZ
- SEA
2 stops12h 55m
WestJet
Deal found 6/9![WestJet logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 10/99:50 am
YHZ
- SEA
2 stops12h 55m
WestJet
Deal found 6/9![WestJet logo]()
$167
This WestJet deal was found by Cheapflights users on 6/9. 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.
Mon 10/59:50 am
YHZ
- SEA
2 stops12h 55m
WestJet
Deal found 6/9![WestJet logo]()
$174
This United Airlines deal was found by Cheapflights users on 6/9. 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 10/67:00 am
YHZ
- SEA
1 stop18h 55m
United Airlines
Deal found 6/9![United Airlines logo]()
$179
This oojo deal was found by Cheapflights users on 6/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/318:00 pm
YHZ
- SEA
1 stop29h 00m
WestJet
Deal found 6/12![WestJet logo]()
$183
This American Airlines deal was found by Cheapflights users on 6/8. 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.
Sat 9/1211:56 am
YHZ
- SEA
2 stops13h 40m
American Airlines
Deal found 6/8![American Airlines logo]()
$187
This Air Canada deal was found by Cheapflights users on 6/8. 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.
Sat 9/124:10 pm
YHZ
- SEA
1 stop8h 54m
Air Canada
Deal found 6/8![Air Canada logo]()
$194
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/278:30 am
YHZ
- SEA
2 stops16h 30m
WestJet
Deal found 6/11![WestJet logo]()
$198
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 June 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $252 (oojo) |
One-way from | $153 (oojo) |
Popular in | January |
Cheapest in | March |
Average price | $422 |
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 2,558,603 searches. Data last updated June 12, 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
Cheapest round-trip
HalifaxSeattle
YHZ - SEA
YHZSEA
Halifax Intl
Fri 9/11
9:50 am-6:45 pm
2 stops12h 55m
Seattle/Tacoma Intl
Thu 9/17
7:35 pm-8:10 am
1 stop8h 35m
$252
HalifaxSeattle
YHZ - SEA
YHZSEA
Halifax Intl
Sat 9/5
9:50 am-6:45 pm
2 stops12h 55m
Seattle/Tacoma Intl
Mon 9/14
7:35 pm-8:10 am
1 stop8h 35m
$252
HalifaxSeattle
YHZ - SEA
YHZSEA
Halifax Intl
Sat 9/5
12:40 pm-10:01 am
2 stops25h 21m
Seattle/Tacoma Intl
Mon 9/14
10:58 pm-4:00 pm
1 stop13h 02m
$312
HalifaxSeattle
YHZ - SEA
YHZSEA
Halifax Intl
Fri 7/17
8:00 pm-9:00 pm
1 stop29h 00m
Seattle/Tacoma Intl
Mon 7/20
10:30 am-8:10 am
1 stop17h 40m
$320
HalifaxSeattle
YHZ - SEA
YHZSEA
Halifax Intl
Fri 9/25
4:40 pm-9:40 am
2 stops21h 00m
Seattle/Tacoma Intl
Tue 9/29
7:35 pm-8:10 am
1 stop8h 35m
$338
HalifaxSeattle
YHZ - SEA
YHZSEA
Halifax Intl
Thu 9/24
7:15 am-9:04 pm
2 stops17h 49m
Seattle/Tacoma Intl
Sun 9/27
8:00 am-11:55 pm
2 stops11h 55m
$355
HalifaxSeattle
YHZ - SEA
YHZSEA
Halifax Intl
Fri 9/25
7:15 am-9:04 pm
2 stops17h 49m
Seattle/Tacoma Intl
Tue 9/29
8:00 am-11:55 pm
2 stops11h 55m
$355
Quickest round-trip
HalifaxSeattle
YHZ - SEA
YHZSEA
Halifax Intl
Sat 9/5
3:35 pm-9:00 pm
1 stop9h 25m
Seattle/Tacoma Intl
Mon 9/14
7:35 pm-8:10 am
1 stop8h 35m
$356
Cheapest one-way
HalifaxSeattle
YHZ - SEA
YHZSEA
Halifax Intl
Wed 10/7
7:00 am-9:55 pm
1 stop18h 55m
$179
HalifaxSeattle
YHZ - SEA
YHZSEA
Halifax Intl
Tue 10/6
7:00 am-9:15 pm
2 stops18h 15m
$180
Showing 1-10 of 16 resultsSorted by cheapest first
- Most accurate provider: When it comes to deals on Halifax-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Halifax-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Halifax-Seattle flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Halifax-Seattle 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 Halifax-Seattle 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 Halifax to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from Halifax with our price prediction graph.
YHZ-SEA
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, March is the cheapest month in which you can book a flight from Halifax to Seattle (average of $347). Flying from Halifax to Seattle in January is currently the most expensive (average of $670). 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 June 12, 2026.
Read through reviews of airlines operating flights from Halifax to Seattle, such as WestJet and Air Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.2
Comfort
7.0
Boarding
7.4
Entertainment
6.1
Food
6.2
Crew
7.9
Reviews
1 / 20
10.0
ExcellentJoseph,Feb 2026
YYJ - YEG
Overall
7.2
Comfort
7.0
Boarding
7.4
Entertainment
6.1
Food
6.2
Crew
7.9
Reviews
1 / 20
10.0
ExcellentJoseph,Feb 2026
YYJ - YEG
Overall
7.2
Comfort
7.0
Boarding
7.4
Entertainment
6.1
Food
6.2
Crew
7.9
Reviews
1 / 20
10.0
ExcellentJoseph,Feb 2026
YYJ - YEG
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.
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsSeaTac
Tacoma
Lacey
Ocean Shores
Leavenworth
Olympia
Edmonds
Snoqualmie
Tumwater
Tukwila
Puyallup
Kent
Lynnwood
Renton
Ellensburg
Fife
Lakewood
Issaquah
Marysville
Shoreline
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.
Complete your trip
Flights by cabin class
Other flight options
Other flights from Halifax
Popular flights
Seattle flight routes
Complete your trip
Complete your trip to Seattle by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Halifax to Seattle by cabin class
Find flights from Halifax to Seattle, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Halifax and Seattle flights
Browse other Halifax and Seattle flight options. Last updated on June 12, 2026.
Other flights from Halifax
Browse through other flights departing from Halifax. Flights are based on user searches made on Cheapflights and were last updated on June 12, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Seattle
Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 12, 2026.
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 2,558,603 searches. Data last updated June 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$144 | Average$517 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$254 | Average$320 | FlexibilityNo cancel fee | On-time60% |