$166+ 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 8/23. Fares are subject to change and may not be available on all flights or dates of travel.
YHZ — SEA
Aug 24 — Aug 311
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 July 25, 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 July 25, 2026.
This oojo deal was found by Cheapflights users on 7/23. 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 8/129:50 am
YHZ
- SEA
2 stops15h 10m
WestJet
Tue 8/257:00 am
SEA
- YHZ
1 stop8h 10m
WestJet
Deal found 7/23![WestJet logo]()
$220
This Trip.com deal was found by Cheapflights users on 7/23. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/203:35 pm
YHZ
- SEA
1 stop9h 25m
WestJet
Thu 8/277:00 am
SEA
- YHZ
1 stop8h 10m
WestJet
Deal found 7/23![WestJet logo]()
$223
This Trip.com deal was found by Cheapflights users on 7/23. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/227:45 am
YHZ
- SEA
1 stop15h 00m
WestJet
Sat 8/297:00 am
SEA
- YHZ
2 stops10h 05m
WestJet
Deal found 7/23![WestJet logo]()
$250
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 July 25, 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 July 25, 2026.
This United Airlines deal was found by Cheapflights users on 7/20. 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 8/257:00 am
YHZ
- SEA
2 stops18h 36m
United Airlines
Wed 9/25:00 am
SEA
- YHZ
2 stops14h 55m
United Airlines
Deal found 7/20![United Airlines logo]()
$300
This Delta deal was found by Cheapflights users on 7/23. 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 9/52:15 pm
YHZ
- SEA
1 stop12h 05m
Delta
Fri 9/115:50 pm
SEA
- YHZ
2 stops15h 35m
Delta
Deal found 7/23![Delta logo]()
$302
This United deal was found by Cheapflights users on 7/21. 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.
Sat 9/122:50 pm
YHZ
- SEA
1 stop12h 46m
Multiple Airlines
Sat 9/198:00 am
SEA
- YHZ
1 stop9h 54m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$315
This Air Canada deal was found by Cheapflights users on 7/25. 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 9/54:10 pm
YHZ
- SEA
1 stop8h 57m
Air Canada
Mon 9/1410:50 am
SEA
- YHZ
1 stop16h 17m
Air Canada
Deal found 7/25![Air Canada logo]()
$315
This United Airlines deal was found by Cheapflights users on 7/20. 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 9/122:50 pm
YHZ
- SEA
1 stop12h 46m
United Airlines
Wed 9/167:30 am
SEA
- YHZ
1 stop12h 25m
United Airlines
Deal found 7/20![United Airlines logo]()
$300
This Air Canada deal was found by Cheapflights users on 7/24. 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
Wed 9/168:00 am
SEA
- YHZ
1 stop9h 54m
Air Canada
Deal found 7/24![Air Canada logo]()
$317
This United Airlines deal was found by Cheapflights users on 7/20. 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.
Wed 8/267:00 am
YHZ
- SEA
2 stops18h 15m
United Airlines
Wed 9/25:00 am
SEA
- YHZ
2 stops14h 55m
United Airlines
Deal found 7/20![United Airlines logo]()
$300
This United Airlines deal was found by Cheapflights users on 7/24. 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 9/52:50 pm
YHZ
- SEA
1 stop12h 54m
United Airlines
Mon 9/1410:58 pm
SEA
- YHZ
1 stop11h 05m
United Airlines
Deal found 7/24![United Airlines logo]()
$303
This Air Canada deal was found by Cheapflights users on 7/23. 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.
Mon 10/199:00 am
YHZ
- SEA
1 stop16h 04m
Air Canada
Mon 10/267:45 am
SEA
- YHZ
1 stop10h 53m
Air Canada
Deal found 7/23![Air Canada logo]()
$335
This United Airlines deal was found by Cheapflights users on 7/23. 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 9/52:50 pm
YHZ
- SEA
2 stops23h 11m
United Airlines
Fri 9/113:30 pm
SEA
- YHZ
2 stops18h 33m
United Airlines
Deal found 7/23![United Airlines logo]()
$306
Last-minute flights from Halifax to SeattleDiscover last-minute flight deals from Halifax to Seattle. Data last updated July 25, 2026 and is based on user searches.
Discover last-minute flight deals from Halifax to Seattle. Data last updated July 25, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 7/23. 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 8/129:50 am
YHZ
- SEA
2 stops15h 10m
WestJet
Tue 8/257:00 am
SEA
- YHZ
1 stop8h 10m
WestJet
Deal found 7/23![WestJet logo]()
$220
This Trip.com deal was found by Cheapflights users on 7/23. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/203:35 pm
YHZ
- SEA
1 stop9h 25m
WestJet
Thu 8/277:00 am
SEA
- YHZ
1 stop8h 10m
WestJet
Deal found 7/23![WestJet logo]()
$223
This Trip.com deal was found by Cheapflights users on 7/23. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/227:45 am
YHZ
- SEA
1 stop15h 00m
WestJet
Sat 8/297:00 am
SEA
- YHZ
2 stops10h 05m
WestJet
Deal found 7/23![WestJet logo]()
$250
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 July 25, 2026.
Search for one-way flight options from Halifax to Seattle. Find affordable one-way fares based on user searches. Data last updated July 25, 2026.
This Gotogate deal was found by Cheapflights users on 7/24. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/238:00 pm
YHZ
- SEA
1 stop29h 00m
WestJet
Deal found 7/24![WestJet logo]()
$166
This Trip.com deal was found by Cheapflights users on 7/22. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/213:35 pm
YHZ
- SEA
1 stop22h 05m
WestJet
Deal found 7/22![WestJet logo]()
$171
This United Airlines deal was found by Cheapflights users on 7/20. 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 8/257:00 am
YHZ
- SEA
2 stops18h 36m
United Airlines
Deal found 7/20![United Airlines logo]()
$178
This United Airlines deal was found by Cheapflights users on 7/23. 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.
Sun 9/67:00 am
YHZ
- SEA
1 stop15h 41m
United Airlines
Deal found 7/23![United Airlines logo]()
$179
This United Airlines deal was found by Cheapflights users on 7/23. 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.
Wed 10/77:00 am
YHZ
- SEA
2 stops19h 59m
United Airlines
Deal found 7/23![United Airlines logo]()
$180
This American Airlines deal was found by Cheapflights users on 7/20. 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 8/254:06 pm
YHZ
- SEA
2 stops21h 23m
American Airlines
Deal found 7/20![American Airlines logo]()
$191
This oojo deal was found by Cheapflights users on 7/23. 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.
Sun 9/69:50 am
YHZ
- SEA
2 stops12h 55m
WestJet
Deal found 7/23![WestJet logo]()
$196
This Delta deal was found by Cheapflights users on 7/20. 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.
Tue 8/253:30 pm
YHZ
- SEA
1 stop10h 35m
Delta
Deal found 7/20![Delta logo]()
$207
This Flightnetwork deal was found by Cheapflights users on 7/22. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/217:55 pm
YHZ
- SEA
2 stops26h 37m
Air Canada
Deal found 7/22![Air Canada logo]()
$214
This SmartFares deal was found by Cheapflights users on 7/20. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/258:00 pm
YHZ
- SEA
1 stop17h 40m
WestJet
Deal found 7/20![WestJet logo]()
$248
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 July 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $220 (oojo) |
One-way from | $166 (Gotogate) |
Popular in | January |
Cheapest in | May |
Average price | $434 |
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 July 25, 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
Tue 8/25
7:00 am-9:36 pm
2 stops18h 36m
Seattle/Tacoma Intl
Wed 9/2
5:00 am-11:55 pm
2 stops14h 55m
$300
HalifaxSeattle
YHZ - SEA
YHZSEA
Halifax Intl
Sat 9/12
2:50 pm-11:36 pm
1 stop12h 46m
Seattle/Tacoma Intl
Wed 9/16
7:30 am-11:55 pm
1 stop12h 25m
$300
HalifaxSeattle
YHZ - SEA
YHZSEA
Halifax Intl
Wed 8/26
7:00 am-9:15 pm
2 stops18h 15m
Seattle/Tacoma Intl
Wed 9/2
5:00 am-11:55 pm
2 stops14h 55m
$300
HalifaxSeattle
YHZ - SEA
YHZSEA
Halifax Intl
Sat 9/5
2:15 pm-10:20 pm
1 stop12h 05m
Seattle/Tacoma Intl
Fri 9/11
5:50 pm-1:25 pm
2 stops15h 35m
$302
HalifaxSeattle
YHZ - SEA
YHZSEA
Halifax Intl
Sat 9/5
2:50 pm-11:44 pm
1 stop12h 54m
Seattle/Tacoma Intl
Mon 9/14
10:58 pm-2:03 pm
1 stop11h 05m
$303
HalifaxSeattle
YHZ - SEA
YHZSEA
Halifax Intl
Sat 9/5
2:50 pm-10:01 am
2 stops23h 11m
Seattle/Tacoma Intl
Fri 9/11
3:30 pm-2:03 pm
2 stops18h 33m
$306
HalifaxSeattle
YHZ - SEA
YHZSEA
Halifax Intl
Sat 9/12
2:50 pm-11:36 pm
1 stop12h 46m
Seattle/Tacoma Intl
Sat 9/19
8:00 am-9:54 pm
1 stop9h 54m
$315
HalifaxSeattle
YHZ - SEA
YHZSEA
Halifax Intl
Sat 9/5
4:10 pm-9:07 pm
1 stop8h 57m
Seattle/Tacoma Intl
Mon 9/14
10:50 am-7:07 am
1 stop16h 17m
$315
Quickest round-trip
HalifaxSeattle
YHZ - SEA
YHZSEA
Halifax Intl
Sat 9/12
4:10 pm-9:04 pm
1 stop8h 54m
Seattle/Tacoma Intl
Wed 9/16
8:00 am-9:54 pm
1 stop9h 54m
$317
HalifaxSeattle
YHZ - SEA
YHZSEA
Halifax Intl
Mon 10/19
9:00 am-9:04 pm
1 stop16h 04m
Seattle/Tacoma Intl
Mon 10/26
7:45 am-10:38 pm
1 stop10h 53m
$335
Showing 1-10 of 17 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, May is the cheapest month in which you can book a flight from Halifax to Seattle (average of $337). 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?
Airfare is below average for this route at the moment.
Halifax to Seattle flights typically cost between $320 and $428 in August.The cheapest round-trip price found within the last 5 days was $220 on WestJet (Aug 12-Aug 25).
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 July 25, 2026.
Read through reviews of airlines operating flights from Halifax to Seattle, such as Delta,WestJet, andAir Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.8
Comfort
7.8
Crew
8.5
Overall
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
8.0
ExcellentRakshith,May 2026
TPE - SEA
Entertainment
7.8
Comfort
7.8
Crew
8.5
Overall
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
8.0
ExcellentRakshith,May 2026
TPE - SEA
Entertainment
7.8
Comfort
7.8
Crew
8.5
Overall
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
8.0
ExcellentRakshith,May 2026
TPE - SEA
Entertainment
7.8
Comfort
7.8
Crew
8.5
Overall
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
8.0
ExcellentRakshith,May 2026
TPE - SEA
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
Renton
Lacey
Leavenworth
Olympia
Edmonds
Snoqualmie
Tumwater
Tukwila
Centralia
Puyallup
Kent
Ellensburg
Fife
Marysville
Ocean Shores
Lakewood
Lynnwood
Issaquah
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 July 25, 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 July 25, 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 July 25, 2026.
Top 3 airlines flying from Halifax to Seattle
Discover the top 3 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 July 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$144 | Average$473 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$218 | Average$237 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$369 | Average$422 | FlexibilityNo cancel fee | On-timeN/A |