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 25/11. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — SEA
18 Jul — 25 Jul1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Calgary to Seattle/Tacoma Intl are usually found in November or January, booked 57 days in advance, depart on a Tuesday or Wednesday and return on a Monday
Cheap flight deals from Calgary to Seattle
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Cheapest flights from Calgary to Seattle
Explore the most affordable flight options available from Calgary to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 June 2026.
Fri 17/719:05
YYC
-
SEA
1 stop4h 37m
Air Canada
Mon 20/719:20
SEA
-
YYC
1 stop5h 20m
Air Canada
Deal found 14/6£216
Tue 22/906:33
YYC
-
SEA
Nonstop1h 47m
Alaska Airlines
Thu 8/1008:05
SEA
-
YYC
Nonstop1h 38m
Alaska Airlines
Deal found 15/6£241
Fri 17/708:45
YYC
-
SEA
Nonstop1h 55m
WestJet
Mon 20/707:00
SEA
-
YYC
Nonstop1h 50m
WestJet
Deal found 13/6£242
Thu 9/719:15
YYC
-
SEA
1 stop13h 45m
Multiple Airlines
Sat 18/705:45
SEA
-
YYC
2 stops8h 17m
Multiple Airlines
Deal found 17/6£243
Fri 17/719:15
YYC
-
SEA
1 stop13h 45m
Multiple Airlines
Sun 26/705:45
SEA
-
YYC
2 stops8h 17m
Multiple Airlines
Deal found 15/6£244
Wed 4/1115:22
YYC
-
SEA
1 stop8h 59m
Multiple Airlines
Mon 9/1119:05
SEA
-
YYC
2 stops19h 10m
Multiple Airlines
Deal found 14/6£244
Tue 22/906:33
YYC
-
SEA
Nonstop1h 47m
Alaska Airlines
Tue 6/1008:05
SEA
-
YYC
Nonstop1h 38m
Alaska Airlines
Deal found 15/6£247
Thu 1/1015:22
YYC
-
SEA
1 stop9h 04m
Multiple Airlines
Mon 5/1005:40
SEA
-
YYC
2 stops8h 22m
Multiple Airlines
Deal found 14/6£248
Sat 26/906:33
YYC
-
SEA
Nonstop1h 47m
Alaska Airlines
Sat 10/1008:05
SEA
-
YYC
Nonstop1h 38m
Alaska Airlines
Deal found 15/6£253
Best flights from Calgary to Seattle
Discover carefully curated flight deals from Calgary to Seattle that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 June 2026.
Fri 17/706:00
YYC
-
SEA
1 stop5h 07m
Air Canada
Mon 20/719:20
SEA
-
YYC
1 stop5h 20m
Air Canada
Deal found 13/6£219
Fri 17/719:15
YYC
-
SEA
1 stop13h 45m
Multiple Airlines
Tue 21/705:45
SEA
-
YYC
2 stops8h 17m
Multiple Airlines
Deal found 17/6£243
Sun 6/1213:25
YYC
-
SEA
Nonstop0h 55m
Delta
Tue 8/1209:20
SEA
-
YYC
1 stop6h 00m
Delta
Deal found 17/6£275
Wed 19/806:33
YYC
-
SEA
Nonstop1h 47m
Alaska Airlines
Wed 19/820:10
SEA
-
YYC
Nonstop1h 36m
Alaska Airlines
Deal found 13/6£276
Thu 23/719:15
YYC
-
SEA
1 stop13h 45m
Multiple Airlines
Mon 27/705:45
SEA
-
YYC
2 stops8h 17m
Multiple Airlines
Deal found 16/6£243
Fri 3/719:15
YYC
-
SEA
1 stop13h 45m
Multiple Airlines
Fri 10/715:00
SEA
-
YYC
1 stop9h 40m
Multiple Airlines
Deal found 13/6£267
Sat 10/1017:50
YYC
-
SEA
Nonstop1h 55m
Delta
Mon 12/1009:20
SEA
-
YYC
1 stop5h 50m
Delta
Deal found 17/6£297
Fri 17/717:50
YYC
-
SEA
Nonstop1h 55m
Delta
Mon 20/709:20
SEA
-
YYC
1 stop5h 50m
Delta
Deal found 14/6£308
Sun 13/906:00
YYC
-
SEA
1 stop6h 44m
Multiple Airlines
Sun 20/905:40
SEA
-
YYC
2 stops8h 22m
Multiple Airlines
Deal found 17/6£306
Thu 16/708:45
YYC
-
SEA
Nonstop1h 55m
Delta
Sun 19/710:30
SEA
-
YYC
Nonstop1h 40m
Delta
Deal found 14/6£308
Sun 26/719:15
YYC
-
SEA
1 stop13h 45m
Multiple Airlines
Mon 27/719:20
SEA
-
YYC
1 stop5h 20m
Multiple Airlines
Deal found 16/6£307
Direct flights from Calgary to Seattle
Explore direct flight options from Calgary to Seattle based on user searches, and compare prices and availability for your desired travel dates. Data last updated 18 June 2026.
Tue 22/906:33
YYC
-
SEA
Nonstop1h 47m
Alaska Airlines
Sun 11/1008:05
SEA
-
YYC
Nonstop1h 38m
Alaska Airlines
Deal found 15/6£241
Fri 17/708:45
YYC
-
SEA
Nonstop1h 55m
WestJet
Mon 20/707:00
SEA
-
YYC
Nonstop1h 50m
WestJet
Deal found 13/6£242
Tue 22/906:33
YYC
-
SEA
Nonstop1h 47m
Alaska Airlines
Wed 7/1008:05
SEA
-
YYC
Nonstop1h 38m
Alaska Airlines
Deal found 15/6£247
Sat 26/906:33
YYC
-
SEA
Nonstop1h 47m
Alaska Airlines
Tue 6/1008:05
SEA
-
YYC
Nonstop1h 38m
Alaska Airlines
Deal found 15/6£253
Fri 30/1019:00
YYC
-
SEA
Nonstop1h 49m
Alaska Airlines
Sun 1/1117:57
SEA
-
YYC
Nonstop1h 30m
Alaska Airlines
Deal found 14/6£267
Wed 19/806:33
YYC
-
SEA
Nonstop1h 47m
Alaska Airlines
Wed 19/820:10
SEA
-
YYC
Nonstop1h 36m
Alaska Airlines
Deal found 13/6£276
Fri 31/706:00
YYC
-
SEA
Nonstop1h 50m
Alaska Airlines
Mon 10/820:41
SEA
-
YYC
Nonstop1h 34m
Alaska Airlines
Deal found 13/6£298
Thu 16/708:45
YYC
-
SEA
Nonstop1h 55m
Delta
Sun 19/710:30
SEA
-
YYC
Nonstop1h 40m
Delta
Deal found 14/6£308
Fri 31/706:00
YYC
-
SEA
Nonstop1h 50m
Alaska Airlines
Sun 9/820:41
SEA
-
YYC
Nonstop1h 34m
Alaska Airlines
Deal found 13/6£325
Tue 25/806:33
YYC
-
SEA
Nonstop1h 47m
Alaska Airlines
Fri 28/808:30
SEA
-
YYC
Nonstop1h 36m
Alaska Airlines
Deal found 17/6£424
Last-minute flights from Calgary to Seattle
Discover last-minute flight deals from Calgary to Seattle. Data last updated 18 June 2026 and is based on user searches.
Thu 2/719:15
YYC
-
SEA
1 stop13h 45m
Multiple Airlines
Sat 4/710:45
SEA
-
YYC
1 stop8h 45m
Multiple Airlines
Deal found 15/6£267
Fri 3/719:15
YYC
-
SEA
1 stop13h 45m
Multiple Airlines
Sat 4/710:45
SEA
-
YYC
1 stop8h 45m
Multiple Airlines
Deal found 14/6£262
Fri 3/719:15
YYC
-
SEA
1 stop13h 45m
Multiple Airlines
Sun 5/705:45
SEA
-
YYC
2 stops11h 46m
Multiple Airlines
Deal found 17/6£272
Thu 9/719:15
YYC
-
SEA
1 stop13h 45m
Multiple Airlines
Sat 18/705:45
SEA
-
YYC
2 stops8h 17m
Multiple Airlines
Deal found 17/6£243
Fri 17/719:05
YYC
-
SEA
1 stop4h 37m
Air Canada
Mon 20/719:20
SEA
-
YYC
1 stop5h 20m
Air Canada
Deal found 14/6£216
Fri 17/708:45
YYC
-
SEA
Nonstop1h 55m
WestJet
Mon 20/707:00
SEA
-
YYC
Nonstop1h 50m
WestJet
Deal found 13/6£242
Fri 17/719:15
YYC
-
SEA
1 stop13h 45m
Multiple Airlines
Sun 26/705:45
SEA
-
YYC
2 stops8h 17m
Multiple Airlines
Deal found 15/6£244
Fri 17/706:00
YYC
-
SEA
1 stop5h 07m
Multiple Airlines
Mon 20/707:00
SEA
-
YYC
Nonstop1h 50m
Multiple Airlines
Deal found 14/6£257
One-way flights from Calgary to Seattle
Search for one-way flight options from Calgary to Seattle. Find affordable one-way fares based on user searches. Data last updated 18 June 2026.
Wed 25/1116:30
YYC
-
SEA
1 stop6h 27m
Air Canada
Deal found 15/6£116
Thu 16/706:50
YYC
-
SEA
1 stop4h 17m
Air Canada
Deal found 15/6£128
Wed 25/1108:10
YYC
-
SEA
Nonstop1h 50m
Alaska Airlines
Deal found 15/6£131
Wed 25/1115:22
YYC
-
SEA
1 stop8h 59m
United Airlines
Deal found 15/6£132
Sat 15/809:20
YYC
-
SEA
2 stops10h 12m
Air Canada
Deal found 17/6£139
Fri 3/719:15
YYC
-
SEA
1 stop13h 45m
United Airlines
Deal found 15/6£143
Sun 2/806:00
YYC
-
SEA
Nonstop1h 50m
Alaska Airlines
Deal found 16/6£145
Sat 15/806:00
YYC
-
SEA
Nonstop1h 50m
Alaska Airlines
Deal found 15/6£146
Fri 16/1015:22
YYC
-
SEA
1 stop9h 04m
United Airlines
Deal found 15/6£151
Find flight deals from Calgary to Seattle
Discover tips and strategies to find the most affordable flight options for your journey from Calgary (YYC) 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 18 June 2026.
Customise your flight search to find flights from Calgary 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 858,174 searches. Data last updated 18 June 2026.
Use the filters below to find and compare flights from Calgary to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Cheapest return flight
CalgarySeattle
YYC - SEA
YYCSEA
Calgary
Fri 17/7
06:00-10:07
1 stop5h 07m
Seattle/Tacoma Intl
Mon 20/7
19:20-01:40
1 stop5h 20m
£219
CalgarySeattle
YYC - SEA
YYCSEA
Calgary
Fri 17/7
19:15-08:00
1 stop13h 45m
Seattle/Tacoma Intl
Tue 21/7
05:45-15:02
2 stops8h 17m
£243
CalgarySeattle
YYC - SEA
YYCSEA
Calgary
Thu 23/7
19:15-08:00
1 stop13h 45m
Seattle/Tacoma Intl
Mon 27/7
05:45-15:02
2 stops8h 17m
£243
CalgarySeattle
YYC - SEA
YYCSEA
Calgary
Fri 3/7
19:15-08:00
1 stop13h 45m
Seattle/Tacoma Intl
Fri 10/7
15:00-01:40
1 stop9h 40m
£267
CalgarySeattle
YYC - SEA
YYCSEA
Calgary
Sun 6/12
13:25-13:20
Nonstop0h 55m
Seattle/Tacoma Intl
Tue 8/12
09:20-16:20
1 stop6h 00m
£275
Fastest return journey
CalgarySeattle
YYC - SEA
YYCSEA
Calgary
Wed 19/8
06:33-07:20
Nonstop1h 47m
Seattle/Tacoma Intl
Wed 19/8
20:10-22:46
Nonstop1h 36m
£276
CalgarySeattle
YYC - SEA
YYCSEA
Calgary
Sat 10/10
17:50-18:45
Nonstop1h 55m
Seattle/Tacoma Intl
Mon 12/10
09:20-16:10
1 stop5h 50m
£297
CalgarySeattle
YYC - SEA
YYCSEA
Calgary
Sun 13/9
06:00-11:44
1 stop6h 44m
Seattle/Tacoma Intl
Sun 20/9
05:40-15:02
2 stops8h 22m
£306
CalgarySeattle
YYC - SEA
YYCSEA
Calgary
Sun 26/7
19:15-08:00
1 stop13h 45m
Seattle/Tacoma Intl
Mon 27/7
19:20-01:40
1 stop5h 20m
£307
CalgarySeattle
YYC - SEA
YYCSEA
Calgary
Fri 17/7
17:50-18:45
Nonstop1h 55m
Seattle/Tacoma Intl
Mon 20/7
09:20-16:10
1 stop5h 50m
£308
Flights are sorted by cheapest return flights first.
Deals found on 15/6
Showing 1-10 of 19 resultsSorted by cheapest first
1
2
Best time to book a flight from Calgary to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from Calgary with our price prediction graph.
YYC-SEA
Estimated return 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 Calgary to Seattle
Prices
Airlines
Delays
How far ahead should I book a flight from Calgary to Seattle?
To ensure you get the cheapest price possible for a flight from Calgary to Seattle, you should look to book at least 56 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Calgary to Seattle?
Currently, November is the cheapest month in which you can book a flight from Calgary to Seattle (average of £147). Flying from Calgary to Seattle in December is currently the most expensive (average of £247). 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 YYC to SEA?
Find hourly flight availability from Calgary to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 June 2026.
It’s typically best to fly out from Calgary to Seattle in the evening. Doing so could potentially save you 76% on the flight price compared to flying at midday, which is usually more expensive.
How much does it cost for a return flight from Calgary to Seattle?
Weekly flight availability from Calgary to Seattle
Explore weekly flight availability from Calgary to Seattle. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 18 June 2026.
The most flights from YYC to SEA are scheduled on a Thursday (14 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (6 on average).
How often are flights from Calgary to Seattle delayed?
About 18% of weekly flights between Calgary and Seattle have experienced delays in the past year, with the average delay time being 117 minutes.
What is the most punctual flight time for Calgary to Seattle flights?
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Sunday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Calgary to Seattle flights?
Over the past year, Alaska Airlines have had the lowest number of delays on this route, with just 15% of flights being delayed.
Related info for your journey
Find useful and relevant information for your journey from Calgary to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
How popular is this Calgary to Seattle flight route?
Flights from Calgary to Seattle/Tacoma Intl have been viewed 13 times in the past calendar month.
How long is the flight from Calgary to Seattle?
For as low as £275, Air Canada can have you in Seattle from Calgary in 55m. The distance between Calgary and Seattle is about 451 mi. This flight may include one or multiple stops.
What are the most reliable airlines from Calgary to Seattle?
Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Calgary to Seattle on time: Japan Airlines (100%), Hawaiian Airlines (100%), WestJet Encore (100%).
What are the cheapest flights from Calgary to Seattle?
While on average a flight from Calgary to Seattle is generally £611, our data shows the cheapest flight currently is £92. When looking at the most popular route, (Calgary - Seattle/Tacoma Intl), you can expect to pay £244 for that flight.
Can I find deals for business class flights from Calgary to Seattle?
Yes. Cheapflights offers flight deals from Calgary to Seattle 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 Calgary to Seattle?
Currently, November is the cheapest month in which you can book a flight from Calgary to Seattle (average of £147). Flying from Calgary to Seattle in December is currently the most expensive (average of £247). 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.
Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 18 June 2026.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Calgary to Seattle?
900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Seattle from Calgary today with Cheapflights!
Why should you use Cheapflights to find cheap flight tickets from Calgary to Seattle?
Cheapflights simply makes it quick and affordable to book flights from Calgary to Seattle by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Can Cheapflights find flights from Calgary to Seattle with no change fees?
Certainly. Search results for flights to Seattle from Calgary shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.
Can Cheapflights notify me if prices for flights from Calgary to Seattle become cheaper?
Of course! You can now track prices for flights from Calgary to Seattle and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.
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