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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — SEA
9 Sep — 16 Sep1
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 56 days in advance, depart on a Tuesday or Monday and return on a Tuesday
Cheap flight deals from Calgary to Seattle
Enter your travel dates to find the best prices.
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Best
Direct
Last-minute
One-way
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 10 August 2026.
Sat 31/1006:00 -
1 stop16h 19m
Wed 4/1108:30 -
1 stop13h 23m
Deal found 6/8£202
Thu 10/906:00 -
1 stop8h 22m
Mon 14/905:00 -
1 stop15h 48m
Deal found 8/8£210
Thu 3/1208:10 -
Nonstop0h 50m
Thu 14/117:57 -
Nonstop2h 30m
Deal found 10/8£216
Fri 6/1108:10 -
Nonstop0h 50m
Sun 8/1117:57 -
Nonstop2h 30m
Deal found 5/8£218
Fri 4/1208:10 -
Nonstop0h 50m
Fri 15/117:57 -
Nonstop2h 30m
Deal found 10/8£219
Sat 5/1215:06 -
2 stops9h 15m
Sat 16/105:07 -
1 stop13h 11m
Deal found 10/8£227
Fri 11/1216:22 -
1 stop7h 59m
Fri 8/105:00 -
1 stop7h 03m
Deal found 9/8£228
Sat 31/1019:00 -
Nonstop1h 49m
Wed 4/1117:57 -
Nonstop2h 30m
Deal found 6/8£230
Fri 4/907:45 -
1 stop9h 07m
Sat 12/915:00 -
1 stop4h 39m
Deal found 6/8£235
Fri 4/913:41 -
1 stop10h 45m
Fri 11/910:50 -
1 stop6h 19m
Deal found 7/8£236
Wed 2/1208:10 -
Nonstop0h 50m
Fri 15/117:57 -
Nonstop2h 30m
Deal found 10/8£249
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 10 August 2026.
Fri 6/1108:10 -
Nonstop0h 50m
Sun 8/1117:57 -
Nonstop2h 30m
Deal found 5/8£218
Wed 2/1216:22 -
1 stop9h 11m
Thu 14/105:00 -
1 stop7h 03m
Deal found 10/8£227
Sat 31/1012:00 -
1 stop5h 59m
Wed 4/1115:10 -
Nonstop2h 40m
Deal found 7/8£261
Fri 11/1216:22 -
1 stop7h 59m
Thu 7/105:00 -
1 stop7h 03m
Deal found 9/8£228
Sun 8/1106:00 -
1 stop3h 41m
Mon 16/1115:10 -
Nonstop2h 40m
Deal found 8/8£261
Tue 8/1206:00 -
1 stop3h 44m
Thu 7/115:10 -
Nonstop2h 40m
Deal found 9/8£289
Thu 22/1015:22 -
1 stop10h 53m
Tue 27/1016:39 -
2 stops28h 14m
Deal found 8/8£309
Fri 2/1015:22 -
1 stop9h 04m
Mon 5/1018:43 -
2 stops26h 05m
Deal found 6/8£322
Thu 10/913:41 -
2 stops22h 43m
Mon 14/905:00 -
1 stop15h 48m
Deal found 8/8£333
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 10 August 2026.
Thu 3/1208:10 -
Nonstop0h 50m
Mon 18/117:57 -
Nonstop2h 30m
Deal found 10/8£216
Fri 6/1108:10 -
Nonstop0h 50m
Sun 8/1117:57 -
Nonstop2h 30m
Deal found 5/8£218
Fri 4/1208:10 -
Nonstop0h 50m
Fri 15/117:57 -
Nonstop2h 30m
Deal found 10/8£219
Sat 31/1019:00 -
Nonstop1h 49m
Wed 4/1117:57 -
Nonstop2h 30m
Deal found 6/8£230
Wed 2/1208:10 -
Nonstop0h 50m
Wed 13/117:57 -
Nonstop2h 30m
Deal found 10/8£249
Tue 19/108:10 -
Nonstop0h 50m
Mon 25/117:57 -
Nonstop2h 30m
Deal found 8/8£250
Sat 16/108:10 -
Nonstop0h 50m
Sat 16/117:57 -
Nonstop2h 30m
Deal found 7/8£276
Mon 4/109:03 -
Nonstop1h 06m
Wed 6/117:57 -
Nonstop2h 30m
Deal found 7/8£294
Fri 28/806:33 -
Nonstop1h 47m
Sat 5/920:10 -
Nonstop1h 36m
Deal found 7/8£296
Last-minute flights from Calgary to Seattle
Discover last-minute flight deals from Calgary to Seattle. Data last updated 10 August 2026 and is based on user searches.
Fri 14/808:45 -
Nonstop1h 55m
Fri 21/819:35 -
Nonstop1h 40m
Deal found 6/8£309
Fri 28/813:27 -
2 stops10h 59m
Tue 1/905:00 -
1 stop7h 53m
Deal found 7/8£277
Fri 28/806:33 -
Nonstop1h 47m
Sat 5/920:10 -
Nonstop1h 36m
Deal found 7/8£296
Mon 31/808:00 -
1 stop10h 42m
Tue 1/905:00 -
1 stop7h 53m
Deal found 9/8£279
Fri 4/907:45 -
1 stop9h 07m
Sat 12/915:00 -
1 stop4h 39m
Deal found 6/8£235
Fri 4/913:41 -
1 stop10h 45m
Fri 11/910:50 -
1 stop6h 19m
Deal found 7/8£236
Fri 4/907:45 -
1 stop9h 07m
Mon 7/905:50 -
1 stop6h 20m
Deal found 6/8£319
Fri 4/913:27 -
2 stops10h 59m
Fri 11/905:00 -
1 stop15h 48m
Deal found 7/8£322
Thu 10/906:00 -
1 stop8h 22m
Mon 14/905:00 -
1 stop15h 48m
Deal found 8/8£210
Thu 24/915:15 -
1 stop6h 35m
Sat 26/919:35 -
Nonstop1h 40m
Deal found 6/8£307
Fri 25/906:00 -
2 stops18h 26m
Sun 27/905:50 -
1 stop4h 39m
Deal found 5/8£318
Sat 26/908:45 -
Nonstop1h 55m
Sun 27/910:30 -
Nonstop1h 40m
Deal found 7/8£308
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 10 August 2026.
Wed 9/913:41 -
1 stop8h 02m
Deal found 6/8£124
Wed 23/906:00 -
2 stops18h 26m
Deal found 8/8£126
Mon 7/906:33 -
Nonstop1h 47m
Deal found 7/8£156
Fri 28/813:27 -
1 stop10h 37m
Deal found 6/8£159
Sun 6/906:33 -
Nonstop1h 47m
Deal found 6/8£163
Fri 2/1008:45 -
Nonstop1h 55m
Deal found 6/8£172
Mon 28/917:50 -
Nonstop1h 55m
Deal found 7/8£173
Sun 13/908:45 -
Nonstop1h 55m
Deal found 10/8£176
Tue 25/806:00 -
1 stop6h 44m
Deal found 6/8£178
Sun 27/1206:00 -
1 stop3h 35m
Deal found 6/8£180
Thu 12/1108:10 -
Nonstop0h 50m
Deal found 6/8£184
Sat 29/806:33 -
Nonstop1h 47m
Deal found 7/8£190
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 10 August 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 10 August 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 Calgary - SEA Seattle/Tacoma Intl
YYCSEA
Calgary
Fri 6/11
08:10-07:00
Nonstop0h 50m
Seattle/Tacoma Intl
Sun 8/11
17:57-22:27
Nonstop2h 30m
£218
CalgarySeattle
YYC Calgary - SEA Seattle/Tacoma Intl
YYCSEA
Calgary
Wed 2/12
16:22-23:33
1 stop9h 11m
Seattle/Tacoma Intl
Thu 14/1
05:00-14:03
1 stop7h 03m
£227
CalgarySeattle
YYC Calgary - SEA Seattle/Tacoma Intl
YYCSEA
Calgary
Fri 11/12
16:22-22:21
1 stop7h 59m
Seattle/Tacoma Intl
Thu 7/1
05:00-14:03
1 stop7h 03m
£228
CalgarySeattle
YYC Calgary - SEA Seattle/Tacoma Intl
YYCSEA
Calgary
Sat 31/10
12:00-16:59
1 stop5h 59m
Seattle/Tacoma Intl
Wed 4/11
15:10-19:50
Nonstop2h 40m
£261
CalgarySeattle
YYC Calgary - SEA Seattle/Tacoma Intl
YYCSEA
Calgary
Sun 8/11
06:00-07:41
1 stop3h 41m
Seattle/Tacoma Intl
Mon 16/11
15:10-19:50
Nonstop2h 40m
£261
CalgarySeattle
YYC Calgary - SEA Seattle/Tacoma Intl
YYCSEA
Calgary
Tue 8/12
06:00-07:44
1 stop3h 44m
Seattle/Tacoma Intl
Thu 7/1
15:10-19:50
Nonstop2h 40m
£289
CalgarySeattle
YYC Calgary - SEA Seattle/Tacoma Intl
YYCSEA
Calgary
Thu 22/10
15:22-01:15
1 stop10h 53m
Seattle/Tacoma Intl
Tue 27/10
16:39-21:53
2 stops28h 14m
£309
CalgarySeattle
YYC Calgary - SEA Seattle/Tacoma Intl
YYCSEA
Calgary
Fri 2/10
15:22-23:26
1 stop9h 04m
Seattle/Tacoma Intl
Mon 5/10
18:43-21:48
2 stops26h 05m
£322
CalgarySeattle
YYC Calgary - SEA Seattle/Tacoma Intl
YYCSEA
Calgary
Thu 10/9
13:41-11:24
2 stops22h 43m
Seattle/Tacoma Intl
Mon 14/9
05:00-21:48
1 stop15h 48m
£333
Cheapest one-way
CalgarySeattle
YYC Calgary - SEA Seattle/Tacoma Intl
YYCSEA
Calgary
Wed 9/9
13:41-20:43
1 stop8h 02m
£124
Flights are sorted by cheapest return flights first.
Deals found on 6/8
Showing 1-10 of 21 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 55 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 £144). Flying from Calgary to Seattle in August is currently the most expensive (average of £254). 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 10 August 2026.
It’s typically best to fly out from Calgary to Seattle in the evening. Doing so could potentially save you 72% on the flight price compared to flying in the morning, which is usually more expensive.
How much does it cost for a return flight from Calgary to Seattle?
Airfare is below average for this route at the moment.
Calgary to Seattle flights typically cost between £218 and £296 in October.The cheapest return price found within the last 5 days was £202 on United Airlines (31 Oct–4 Nov).
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 10 August 2026.
The most flights from YYC to SEA are scheduled on a Friday (19 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (9 on average).
How often are flights from Calgary to Seattle delayed?
About 15% 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 13% 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 £218, Alaska Airlines can have you in Seattle from Calgary in 50m. 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 (89%), Emirates (88%), Scandinavian Airlines (86%).
Can I find deals for flights from Calgary to Seattle that include hotel bookings?
Yes. In addition to deals on Calgary to Seattle flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Calgary to Seattle?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Calgary to Seattle.
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 £144). Flying from Calgary to Seattle in August is currently the most expensive (average of £254). 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 10 August 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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