$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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
YHZ — SEA
Sep 9 — Sep 161
Round-trip
1 adult, Economy
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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
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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 August 10, 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 August 10, 2026.
This Air Canada deal was found by Cheapflights users on 8/9. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/124:10 pm -
1 stop8h 54m
Sat 9/198:00 am -
1 stop9h 54m
Deal found 8/9![Air Canada logo]()
$283
This Gotogate deal was found by Cheapflights users on 8/7. 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.
Sat 9/53:35 pm -
1 stop9h 25m
Fri 9/117:35 pm -
1 stop8h 35m
Deal found 8/7![WestJet logo]()
$289
This Air Canada deal was found by Cheapflights users on 8/10. 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.
Wed 11/115:15 am -
2 stops13h 22m
Wed 3/38:40 am -
2 stops11h 09m
Deal found 8/10![Air Canada logo]()
$290
This Mytrip deal was found by Cheapflights users on 8/7. 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.
Fri 9/49:50 am -
2 stops12h 55m
Fri 9/117:35 pm -
1 stop8h 35m
Deal found 8/7![WestJet logo]()
$296
This United Airlines deal was found by Cheapflights users on 8/10. 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.
Thu 11/122:10 pm -
2 stops13h 05m
Wed 3/310:45 pm -
1 stop11h 49m
Deal found 8/10![United Airlines logo]()
$302
This Mytrip deal was found by Cheapflights users on 8/7. 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.
Thu 9/109:50 am -
2 stops12h 55m
Sun 9/207:35 pm -
2 stops11h 10m
Deal found 8/7![WestJet logo]()
$309
This Air Canada deal was found by Cheapflights users on 8/7. 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.
Tue 9/2912:20 pm -
2 stops14h 27m
Wed 9/308:00 am -
1 stop9h 54m
Deal found 8/7![Air Canada logo]()
$312
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 August 10, 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 August 10, 2026.
This Air Canada deal was found by Cheapflights users on 8/9. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/124:10 pm -
1 stop8h 54m
Sat 9/198:00 am -
1 stop9h 54m
Deal found 8/9![Air Canada logo]()
$283
This Mytrip deal was found by Cheapflights users on 8/7. 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.
Thu 9/109:50 am -
2 stops12h 55m
Sun 9/207:35 pm -
1 stop8h 35m
Deal found 8/7![WestJet logo]()
$296
This United Airlines deal was found by Cheapflights users on 8/10. 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.
Thu 11/122:10 pm -
2 stops13h 05m
Wed 3/33:51 pm -
2 stops18h 43m
Deal found 8/10![United Airlines logo]()
$302
This Air Canada deal was found by Cheapflights users on 8/7. 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.
Tue 9/2912:20 pm -
2 stops14h 27m
Wed 9/308:00 am -
1 stop9h 54m
Deal found 8/7![Air Canada logo]()
$312
This Air Canada deal was found by Cheapflights users on 8/10. 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.
Wed 11/1112:15 pm -
1 stop12h 44m
Wed 3/37:45 am -
1 stop8h 03m
Deal found 8/10![Air Canada logo]()
$313
This Air Canada deal was found by Cheapflights users on 8/10. 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.
Tue 11/103:10 pm -
1 stop9h 49m
Wed 3/37:45 am -
1 stop8h 03m
Deal found 8/10![Air Canada logo]()
$336
This Air Canada deal was found by Cheapflights users on 8/5. 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.
Wed 9/25:15 am -
2 stops17h 17m
Sat 9/57:20 pm -
2 stops12h 30m
Deal found 8/5![Air Canada logo]()
$340
Last-minute flights from Halifax to SeattleDiscover last-minute flight deals from Halifax to Seattle. Data last updated August 10, 2026 and is based on user searches.
Discover last-minute flight deals from Halifax to Seattle. Data last updated August 10, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 8/7. 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.
Fri 9/49:50 am -
2 stops12h 55m
Fri 9/117:35 pm -
1 stop8h 35m
Deal found 8/7![WestJet logo]()
$296
This Gotogate deal was found by Cheapflights users on 8/7. 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.
Sat 9/53:35 pm -
1 stop9h 25m
Fri 9/117:35 pm -
1 stop8h 35m
Deal found 8/7![WestJet logo]()
$289
This Mytrip deal was found by Cheapflights users on 8/7. 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.
Thu 9/109:50 am -
2 stops12h 55m
Sun 9/207:35 pm -
2 stops11h 10m
Deal found 8/7![WestJet logo]()
$309
This Air Canada deal was found by Cheapflights users on 8/9. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/124:10 pm -
1 stop8h 54m
Sat 9/198:00 am -
1 stop9h 54m
Deal found 8/9![Air Canada logo]()
$283
This Air Canada deal was found by Cheapflights users on 8/7. 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.
Tue 9/2912:20 pm -
2 stops14h 27m
Wed 9/308:00 am -
1 stop9h 54m
Deal found 8/7![Air Canada logo]()
$312
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 August 10, 2026.
Search for one-way flight options from Halifax to Seattle. Find affordable one-way fares based on user searches. Data last updated August 10, 2026.
This Air Canada deal was found by Cheapflights users on 8/10. 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.
Tue 9/294:10 pm -
1 stop8h 54m
Deal found 8/10![Air Canada logo]()
$166
This United Airlines deal was found by Cheapflights users on 8/9. 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.
Wed 9/307:00 am -
1 stop15h 19m
Deal found 8/9![United Airlines logo]()
$176
This United Airlines deal was found by Cheapflights users on 8/6. 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 -
1 stop12h 54m
Deal found 8/6![United Airlines logo]()
$178
This United Airlines deal was found by Cheapflights users on 8/6. 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 -
1 stop15h 19m
Deal found 8/6![United Airlines logo]()
$179
This United Airlines deal was found by Cheapflights users on 8/10. 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.
Tue 9/297:00 am -
2 stops18h 15m
Deal found 8/10![United Airlines logo]()
$182
This Air Canada deal was found by Cheapflights users on 8/6. 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.
Wed 9/94:10 pm -
1 stop8h 54m
Deal found 8/6![Air Canada logo]()
$184
This Air Canada deal was found by Cheapflights users on 8/9. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1512:20 pm -
2 stops14h 22m
Deal found 8/9![Air Canada logo]()
$185
This Trip.com deal was found by Cheapflights users on 8/6. 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.
Tue 9/89:50 am -
2 stops12h 55m
Deal found 8/6![WestJet logo]()
$186
This Kiwi.com deal was found by Cheapflights users on 8/6. 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.
Sun 9/69:50 am -
2 stops12h 55m
Deal found 8/6![WestJet logo]()
$188
This Kiwi.com deal was found by Cheapflights users on 8/9. 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.
Sun 10/119:50 am -
2 stops12h 55m
Deal found 8/9![WestJet logo]()
$189
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 August 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $283 (Air Canada) |
One-way from | $176 (United Airlines) |
Popular in | January |
Cheapest in | August |
Average price | $278 |
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 August 10, 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 Halifax Intl - SEA Seattle/Tacoma Intl
YHZSEA
Halifax Intl
Sat 9/12
4:10 pm-9:04 pm
1 stop8h 54m
Seattle/Tacoma Intl
Sat 9/19
8:00 am-9:54 pm
1 stop9h 54m
$283
HalifaxSeattle
YHZ Halifax Intl - SEA Seattle/Tacoma Intl
YHZSEA
Halifax Intl
Thu 9/10
9:50 am-6:45 pm
2 stops12h 55m
Seattle/Tacoma Intl
Sun 9/20
7:35 pm-8:10 am
1 stop8h 35m
$296
HalifaxSeattle
YHZ Halifax Intl - SEA Seattle/Tacoma Intl
YHZSEA
Halifax Intl
Thu 11/12
2:10 pm-11:15 pm
2 stops13h 05m
Seattle/Tacoma Intl
Wed 3/3
3:51 pm-2:34 pm
2 stops18h 43m
$302
HalifaxSeattle
YHZ Halifax Intl - SEA Seattle/Tacoma Intl
YHZSEA
Halifax Intl
Tue 9/29
12:20 pm-10:47 pm
2 stops14h 27m
Seattle/Tacoma Intl
Wed 9/30
8:00 am-9:54 pm
1 stop9h 54m
$312
HalifaxSeattle
YHZ Halifax Intl - SEA Seattle/Tacoma Intl
YHZSEA
Halifax Intl
Wed 11/11
12:15 pm-8:59 pm
1 stop12h 44m
Seattle/Tacoma Intl
Wed 3/3
7:45 am-7:48 pm
1 stop8h 03m
$313
Quickest round-trip
HalifaxSeattle
YHZ Halifax Intl - SEA Seattle/Tacoma Intl
YHZSEA
Halifax Intl
Tue 11/10
3:10 pm-8:59 pm
1 stop9h 49m
Seattle/Tacoma Intl
Wed 3/3
7:45 am-7:48 pm
1 stop8h 03m
$336
HalifaxSeattle
YHZ Halifax Intl - SEA Seattle/Tacoma Intl
YHZSEA
Halifax Intl
Wed 9/2
5:15 am-6:32 pm
2 stops17h 17m
Seattle/Tacoma Intl
Sat 9/5
7:20 pm-11:50 am
2 stops12h 30m
$340
Cheapest one-way
HalifaxSeattle
YHZ Halifax Intl - SEA Seattle/Tacoma Intl
YHZSEA
Halifax Intl
Wed 9/30
7:00 am-6:19 pm
1 stop15h 19m
$176
HalifaxSeattle
YHZ Halifax Intl - SEA Seattle/Tacoma Intl
YHZSEA
Halifax Intl
Thu 10/15
7:00 am-9:55 pm
1 stop18h 55m
$178
HalifaxSeattle
YHZ Halifax Intl - SEA Seattle/Tacoma Intl
YHZSEA
Halifax Intl
Fri 9/11
2:50 pm-11:36 pm
1 stop12h 46m
$178
Showing 1-10 of 18 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, August is the cheapest month in which you can book a flight from Halifax to Seattle (average of $278). 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 typical for this route at the moment.
Halifax to Seattle flights typically cost between $229 and $387 in September.The cheapest round-trip price found within the last 5 days was $283 on Air Canada (Sep 12-Sep 19).
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 August 10, 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.
Overall
7.8
Crew
8.5
Comfort
7.8
Food
7.2
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
8.0
ExcellentRakshith,May 2026
TPE - SEA
Overall
7.8
Crew
8.5
Comfort
7.8
Food
7.2
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
8.0
ExcellentRakshith,May 2026
TPE - SEA
Overall
7.8
Crew
8.5
Comfort
7.8
Food
7.2
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
8.0
ExcellentRakshith,May 2026
TPE - SEA
Overall
7.8
Crew
8.5
Comfort
7.8
Food
7.2
Boarding
8.1
Entertainment
7.8
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
Renton
Tacoma
Lacey
Leavenworth
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Tukwila
Edmonds
Snoqualmie
Lynnwood
Tumwater
Centralia
Puyallup
Marysville
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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 August 10, 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 August 10, 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 August 10, 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 August 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$144 | Average$471 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$218 | Average$237 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$369 | Average$422 | FlexibilityNo cancel fee | On-timeN/A |