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 13/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — SEA
28 Jul — 4 Aug1
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 Monday and return on a Tuesday
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 28 June 2026.
Mon 26/1019:00
YYC
-
SEA
Nonstop1h 49m
Alaska Airlines
Thu 29/1008:05
SEA
-
YYC
Nonstop1h 38m
Alaska Airlines
Deal found 25/6£229
Sun 23/815:50
YYC
-
SEA
2 stops7h 52m
Air Canada
Sun 30/805:50
SEA
-
YYC
2 stops8h 12m
Air Canada
Deal found 27/6£230
Fri 16/1015:22
YYC
-
SEA
1 stop9h 04m
United Airlines
Fri 23/1014:27
SEA
-
YYC
1 stop6h 21m
United Airlines
Deal found 25/6£245
Fri 16/1015:22
YYC
-
SEA
1 stop9h 04m
Multiple Airlines
Fri 23/1005:40
SEA
-
YYC
2 stops8h 22m
Multiple Airlines
Deal found 25/6£248
Tue 1/906:00
YYC
-
SEA
1 stop16h 31m
Multiple Airlines
Fri 4/905:50
SEA
-
YYC
2 stops8h 12m
Multiple Airlines
Deal found 26/6£251
Sun 8/1108:10
YYC
-
SEA
Nonstop1h 50m
Alaska Airlines
Mon 16/1117:57
SEA
-
YYC
Nonstop1h 30m
Alaska Airlines
Deal found 27/6£254
Thu 16/719:15
YYC
-
SEA
1 stop13h 45m
Multiple Airlines
Thu 23/715:00
SEA
-
YYC
1 stop6h 00m
Multiple Airlines
Deal found 25/6£256
Fri 10/719:15
YYC
-
SEA
1 stop13h 45m
Multiple Airlines
Sun 12/705:45
SEA
-
YYC
2 stops8h 17m
Multiple Airlines
Deal found 26/6£260
Mon 20/719:15
YYC
-
SEA
1 stop13h 45m
Multiple Airlines
Tue 11/805:50
SEA
-
YYC
2 stops8h 12m
Multiple Airlines
Deal found 24/6£261
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 28 June 2026.
Sun 8/1108:10
YYC
-
SEA
Nonstop1h 50m
Alaska Airlines
Mon 16/1117:57
SEA
-
YYC
Nonstop1h 30m
Alaska Airlines
Deal found 27/6£254
Sat 29/813:41
YYC
-
SEA
1 stop5h 48m
Multiple Airlines
Sun 30/805:50
SEA
-
YYC
2 stops8h 12m
Multiple Airlines
Deal found 28/6£256
Tue 6/1013:00
YYC
-
SEA
1 stop5h 00m
Delta
Wed 7/1019:35
SEA
-
YYC
Nonstop1h 40m
Delta
Deal found 27/6£276
Thu 1/1008:45
YYC
-
SEA
Nonstop1h 55m
Delta
Mon 5/1015:45
SEA
-
YYC
1 stop6h 10m
Delta
Deal found 27/6£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 23/6£280
Sun 8/1107:45
YYC
-
SEA
1 stop4h 47m
Delta
Mon 16/1115:10
SEA
-
YYC
Nonstop2h 40m
Delta
Deal found 28/6£282
Sun 30/806:33
YYC
-
SEA
Nonstop1h 47m
Alaska Airlines
Tue 1/908:30
SEA
-
YYC
Nonstop1h 36m
Alaska Airlines
Deal found 27/6£311
Thu 10/917:50
YYC
-
SEA
Nonstop1h 55m
Delta
Tue 15/909:07
SEA
-
YYC
1 stop5h 08m
Delta
Deal found 23/6£282
Fri 25/906:00
YYC
-
SEA
2 stops18h 26m
Multiple Airlines
Sun 27/910:50
SEA
-
YYC
1 stop6h 19m
Multiple Airlines
Deal found 27/6£312
Sat 18/706:00
YYC
-
SEA
2 stops18h 19m
Multiple Airlines
Wed 22/715:00
SEA
-
YYC
1 stop4h 30m
Multiple Airlines
Deal found 25/6£321
Thu 30/719:15
YYC
-
SEA
1 stop13h 45m
Multiple Airlines
Sat 1/805:50
SEA
-
YYC
2 stops8h 12m
Multiple Airlines
Deal found 26/6£323
Tue 18/817:00
YYC
-
SEA
1 stop4h 50m
Delta
Sat 22/810:30
SEA
-
YYC
Nonstop1h 40m
Delta
Deal found 27/6£326
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 28 June 2026.
Mon 26/1019:00
YYC
-
SEA
Nonstop1h 49m
Alaska Airlines
Thu 29/1008:05
SEA
-
YYC
Nonstop1h 38m
Alaska Airlines
Deal found 25/6£229
Sun 8/1108:10
YYC
-
SEA
Nonstop1h 50m
Alaska Airlines
Mon 16/1117:57
SEA
-
YYC
Nonstop1h 30m
Alaska Airlines
Deal found 27/6£254
Sun 23/808:45
YYC
-
SEA
Nonstop1h 55m
WestJet
Sun 30/807:00
SEA
-
YYC
Nonstop1h 50m
WestJet
Deal found 27/6£264
Thu 27/819:00
YYC
-
SEA
Nonstop1h 49m
Alaska Airlines
Tue 1/908:30
SEA
-
YYC
Nonstop1h 36m
Alaska Airlines
Deal found 25/6£288
Fri 28/806:33
YYC
-
SEA
Nonstop1h 47m
Alaska Airlines
Tue 1/920:10
SEA
-
YYC
Nonstop1h 36m
Alaska Airlines
Deal found 27/6£311
Sat 1/806:00
YYC
-
SEA
Nonstop1h 50m
Alaska Airlines
Sat 15/820:41
SEA
-
YYC
Nonstop1h 34m
Alaska Airlines
Deal found 23/6£311
Wed 19/806:33
YYC
-
SEA
Nonstop1h 47m
Alaska Airlines
Wed 19/820:10
SEA
-
YYC
Nonstop1h 36m
Alaska Airlines
Deal found 25/6£314
Sat 11/708:45
YYC
-
SEA
Nonstop1h 55m
Delta
Wed 15/710:30
SEA
-
YYC
Nonstop1h 40m
Delta
Deal found 25/6£435
Last-minute flights from Calgary to Seattle
Discover last-minute flight deals from Calgary to Seattle. Data last updated 28 June 2026 and is based on user searches.
Fri 10/719:15
YYC
-
SEA
1 stop13h 45m
Multiple Airlines
Sun 12/705:45
SEA
-
YYC
2 stops8h 17m
Multiple Airlines
Deal found 26/6£260
Fri 10/708:45
YYC
-
SEA
Nonstop1h 55m
Delta
Sun 12/709:20
SEA
-
YYC
1 stop5h 50m
Delta
Deal found 26/6£309
Sat 11/706:00
YYC
-
SEA
2 stops18h 19m
Multiple Airlines
Wed 15/710:45
SEA
-
YYC
1 stop6h 25m
Multiple Airlines
Deal found 25/6£349
Thu 16/719:15
YYC
-
SEA
1 stop13h 45m
Multiple Airlines
Thu 23/715:00
SEA
-
YYC
1 stop6h 00m
Multiple Airlines
Deal found 25/6£256
Sat 18/719:15
YYC
-
SEA
1 stop13h 40m
Multiple Airlines
Sun 19/719:20
SEA
-
YYC
2 stops15h 27m
Multiple Airlines
Deal found 25/6£270
Sat 18/706:00
YYC
-
SEA
2 stops18h 19m
Multiple Airlines
Wed 22/715:00
SEA
-
YYC
1 stop4h 30m
Multiple Airlines
Deal found 25/6£321
Mon 20/719:15
YYC
-
SEA
1 stop13h 45m
Multiple Airlines
Tue 11/805:50
SEA
-
YYC
2 stops8h 12m
Multiple Airlines
Deal found 24/6£261
Thu 23/719:15
YYC
-
SEA
1 stop13h 45m
Multiple Airlines
Mon 27/705:45
SEA
-
YYC
2 stops8h 17m
Multiple Airlines
Deal found 23/6£280
Fri 24/719:15
YYC
-
SEA
1 stop13h 45m
Multiple Airlines
Mon 27/705:45
SEA
-
YYC
2 stops8h 17m
Multiple Airlines
Deal found 24/6£286
Sat 25/715:15
YYC
-
SEA
1 stop6h 35m
Delta
Fri 31/707:00
SEA
-
YYC
Nonstop1h 50m
Delta
Deal found 27/6£320
Sat 25/713:41
YYC
-
SEA
1 stop10h 38m
Multiple Airlines
Mon 27/705:45
SEA
-
YYC
2 stops8h 17m
Multiple Airlines
Deal found 26/6£323
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 28 June 2026.
Sun 13/908:45
YYC
-
SEA
Nonstop1h 55m
WestJet
Deal found 26/6£119
Sun 13/915:50
YYC
-
SEA
2 stops7h 52m
Air Canada
Deal found 26/6£124
Wed 15/714:05
YYC
-
SEA
1 stop5h 27m
Air Canada
Deal found 23/6£142
Sun 6/913:41
YYC
-
SEA
1 stop5h 51m
United Airlines
Deal found 25/6£143
Wed 16/906:00
YYC
-
SEA
1 stop16h 15m
United Airlines
Deal found 23/6£144
Sat 15/809:20
YYC
-
SEA
2 stops10h 12m
Air Canada
Deal found 25/6£146
Mon 13/719:15
YYC
-
SEA
1 stop13h 45m
United Airlines
Deal found 27/6£151
Sat 15/806:00
YYC
-
SEA
Nonstop1h 50m
Alaska Airlines
Deal found 27/6£151
Fri 21/806:33
YYC
-
SEA
Nonstop1h 47m
Alaska Airlines
Deal found 24/6£155
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 28 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 28 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
Fastest return journey
CalgarySeattle
YYC - SEA
YYCSEA
Calgary
Sun 8/11
08:10-09:00
Nonstop1h 50m
Seattle/Tacoma Intl
Mon 16/11
17:57-20:27
Nonstop1h 30m
£254
CalgarySeattle
YYC - SEA
YYCSEA
Calgary
Sat 29/8
13:41-18:29
1 stop5h 48m
Seattle/Tacoma Intl
Sun 30/8
05:50-15:02
2 stops8h 12m
£256
CalgarySeattle
YYC - SEA
YYCSEA
Calgary
Tue 6/10
13:00-17:00
1 stop5h 00m
Seattle/Tacoma Intl
Wed 7/10
19:35-22:15
Nonstop1h 40m
£276
CalgarySeattle
YYC - SEA
YYCSEA
Calgary
Thu 1/10
08:45-09:40
Nonstop1h 55m
Seattle/Tacoma Intl
Mon 5/10
15:45-22:55
1 stop6h 10m
£276
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
£280
CalgarySeattle
YYC - SEA
YYCSEA
Calgary
Sun 8/11
07:45-11:32
1 stop4h 47m
Seattle/Tacoma Intl
Mon 16/11
15:10-18:50
Nonstop2h 40m
£282
CalgarySeattle
YYC - SEA
YYCSEA
Calgary
Thu 10/9
17:50-18:45
Nonstop1h 55m
Seattle/Tacoma Intl
Tue 15/9
09:07-15:15
1 stop5h 08m
£282
CalgarySeattle
YYC - SEA
YYCSEA
Calgary
Sun 30/8
06:33-07:20
Nonstop1h 47m
Seattle/Tacoma Intl
Tue 1/9
08:30-11:06
Nonstop1h 36m
£311
CalgarySeattle
YYC - SEA
YYCSEA
Calgary
Fri 25/9
06:00-23:26
2 stops18h 26m
Seattle/Tacoma Intl
Sun 27/9
10:50-18:09
1 stop6h 19m
£312
CalgarySeattle
YYC - SEA
YYCSEA
Calgary
Sat 18/7
06:00-23:19
2 stops18h 19m
Seattle/Tacoma Intl
Wed 22/7
15:00-20:30
1 stop4h 30m
£321
Flights are sorted by cheapest return flights first.
Deals found on 26/6
Showing 1-10 of 22 resultsSorted by cheapest first
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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 £149). Flying from Calgary to Seattle in December is currently the most expensive (average of £251). 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 28 June 2026.
It’s typically best to fly out from Calgary to Seattle in the evening. Doing so could potentially save you 71% 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 28 June 2026.
The most flights from YYC to SEA are scheduled on a Friday (16 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (8 on average).
How often are flights from Calgary to Seattle delayed?
About 17% of weekly flights between Calgary and Seattle have experienced delays in the past year, with the average delay time being 116 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 £276, Delta can have you in Seattle from Calgary in 5h. The distance between Calgary and Seattle is about 451 mi.
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 £191, our data shows the cheapest flight currently is £162. When looking at the most popular route, (Calgary - Seattle/Tacoma Intl), you can expect to pay £243 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 £149). Flying from Calgary to Seattle in December is currently the most expensive (average of £251). 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 28 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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