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 17/1. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — SEA
4 Jan — 11 Jan1
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 March or July, booked 56 days in advance, depart on a Tuesday or Monday and return on a Monday
Cheap flight deals from Calgary to Seattle
Enter your travel dates to find the best prices.
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 5 December 2025.
Sat 13/1214:13YYC - SEA
2 stops10h 02mUnited Airlines
Tue 27/105:00SEA - YYC
1 stop8h 21mUnited Airlines
Deal found 4/12£172
Sun 7/1215:30YYC - SEA
1 stop6h 30mUnited Airlines
Tue 9/1219:34SEA - YYC
1 stop15h 52mUnited Airlines
Deal found 4/12£184
Wed 3/1214:13YYC - SEA
2 stops10h 02mUnited Airlines
Mon 8/1219:34SEA - YYC
1 stop15h 52mUnited Airlines
Deal found 3/12£189
Fri 5/1214:13YYC - SEA
2 stops10h 02mUnited Airlines
Sun 7/1205:30SEA - YYC
1 stop5h 56mUnited Airlines
Deal found 4/12£190
Thu 18/1216:00YYC - SEA
1 stop5h 50mDelta
Fri 23/115:10SEA - YYC
Nonstop1h 40mDelta
Deal found 4/12£198
Thu 4/1215:30YYC - SEA
1 stop10h 20mUnited Airlines
Mon 15/1205:30SEA - YYC
1 stop5h 56mUnited Airlines
Deal found 3/12£220
Wed 10/1215:30YYC - SEA
1 stop8h 45mUnited Airlines
Sat 13/1205:30SEA - YYC
1 stop5h 56mUnited Airlines
Deal found 3/12£242
Thu 18/1216:00YYC - SEA
1 stop5h 50mDelta
Thu 25/1215:10SEA - YYC
Nonstop1h 40mDelta
Deal found 4/12£269
Mon 8/1215:30YYC - SEA
1 stop6h 30mUnited Airlines
Wed 28/112:24SEA - YYC
2 stops23h 02mUnited Airlines
Deal found 4/12£271
Sat 13/1214:13YYC - SEA
2 stops10h 02mUnited Airlines
Thu 29/105:00SEA - YYC
1 stop8h 21mUnited Airlines
Deal found 4/12£292
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 5 December 2025.
Wed 15/418:55YYC - SEA
Nonstop1h 46mAlaska Airlines
Sun 24/507:56SEA - YYC
Nonstop1h 31mAlaska Airlines
Deal found 4/12£148
Tue 14/406:00YYC - SEA
2 stops18h 36mUnited Airlines
Tue 26/505:07SEA - YYC
1 stop15h 31mUnited Airlines
Deal found 4/12£165
Mon 13/407:50YYC - SEA
1 stop3h 31mWestJet
Tue 26/507:05SEA - YYC
Nonstop1h 40mWestJet
Deal found 4/12£181
Thu 18/1216:00YYC - SEA
1 stop5h 50mDelta
Fri 23/115:10SEA - YYC
Nonstop1h 40mDelta
Deal found 4/12£198
Tue 14/415:22YYC - SEA
1 stop9h 14mUnited Airlines
Sat 30/505:07SEA - YYC
1 stop15h 31mUnited Airlines
Deal found 4/12£165
Mon 13/407:50YYC - SEA
1 stop3h 31mWestJet
Mon 25/507:05SEA - YYC
Nonstop1h 40mWestJet
Deal found 4/12£181
Wed 15/413:27YYC - SEA
1 stop8h 40mUnited Airlines
Tue 26/505:07SEA - YYC
1 stop15h 31mUnited Airlines
Deal found 4/12£165
Wed 15/413:27YYC - SEA
1 stop8h 40mUnited Airlines
Sat 30/505:07SEA - YYC
1 stop15h 31mUnited Airlines
Deal found 4/12£165
Sat 18/418:55YYC - SEA
Nonstop1h 46mAlaska Airlines
Sat 30/507:56SEA - YYC
Nonstop1h 31mAlaska Airlines
Deal found 4/12£205
Thu 16/415:22YYC - SEA
1 stop9h 14mUnited Airlines
Tue 26/505:07SEA - YYC
1 stop15h 31mUnited Airlines
Deal found 4/12£165
Sun 12/423:40YYC - SEA
1 stop11h 41mWestJet
Tue 26/507:05SEA - YYC
Nonstop1h 40mWestJet
Deal found 4/12£205
Sat 18/418:55YYC - SEA
Nonstop1h 46mAlaska Airlines
Thu 28/507:56SEA - YYC
Nonstop1h 31mAlaska Airlines
Deal found 4/12£205
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 5 December 2025.
Tue 14/418:55YYC - SEA
Nonstop1h 46mAlaska Airlines
Wed 27/507:56SEA - YYC
Nonstop1h 31mAlaska Airlines
Deal found 4/12£136
Wed 15/418:55YYC - SEA
Nonstop1h 46mAlaska Airlines
Sun 24/507:56SEA - YYC
Nonstop1h 31mAlaska Airlines
Deal found 4/12£148
Sat 18/418:55YYC - SEA
Nonstop1h 46mAlaska Airlines
Sun 24/507:56SEA - YYC
Nonstop1h 31mAlaska Airlines
Deal found 4/12£190
Sat 18/418:55YYC - SEA
Nonstop1h 46mAlaska Airlines
Mon 25/507:56SEA - YYC
Nonstop1h 31mAlaska Airlines
Deal found 4/12£205
Wed 14/119:00YYC - SEA
Nonstop1h 52mAlaska Airlines
Tue 24/215:30SEA - YYC
Nonstop1h 40mAlaska Airlines
Deal found 4/12£229
Sat 10/119:00YYC - SEA
Nonstop1h 52mAlaska Airlines
Mon 23/215:30SEA - YYC
Nonstop1h 40mAlaska Airlines
Deal found 4/12£238
Thu 15/119:00YYC - SEA
Nonstop1h 52mAlaska Airlines
Wed 25/215:30SEA - YYC
Nonstop1h 40mAlaska Airlines
Deal found 4/12£264
Sat 10/119:00YYC - SEA
Nonstop1h 52mAlaska Airlines
Wed 25/215:30SEA - YYC
Nonstop1h 40mAlaska Airlines
Deal found 4/12£275
Sun 11/113:25YYC - SEA
Nonstop1h 55mWestJet
Sun 22/215:10SEA - YYC
Nonstop1h 40mWestJet
Deal found 4/12£280
Fri 16/119:00YYC - SEA
Nonstop1h 52mAlaska Airlines
Sun 22/215:30SEA - YYC
Nonstop1h 40mAlaska Airlines
Deal found 4/12£302
Mon 12/119:00YYC - SEA
Nonstop1h 52mAlaska Airlines
Sat 28/215:30SEA - YYC
Nonstop1h 40mAlaska Airlines
Deal found 4/12£317
Sun 11/119:00YYC - SEA
Nonstop1h 52mAlaska Airlines
Fri 27/215:30SEA - YYC
Nonstop1h 40mAlaska Airlines
Deal found 4/12£331
Last-minute flights from Calgary to Seattle
Discover last-minute flight deals from Calgary to Seattle. Data last updated 5 December 2025 and is based on user searches.
Thu 4/1215:30YYC - SEA
1 stop10h 20mUnited Airlines
Mon 15/1205:30SEA - YYC
1 stop5h 56mUnited Airlines
Deal found 3/12£220
Fri 5/1214:13YYC - SEA
2 stops10h 02mUnited Airlines
Mon 8/1212:35SEA - YYC
1 stop8h 18mUnited Airlines
Deal found 3/12£189
Fri 5/1214:13YYC - SEA
2 stops10h 02mUnited Airlines
Sun 7/1205:30SEA - YYC
1 stop5h 56mUnited Airlines
Deal found 4/12£190
Sun 7/1215:30YYC - SEA
1 stop6h 30mUnited Airlines
Tue 9/1219:34SEA - YYC
1 stop15h 52mUnited Airlines
Deal found 4/12£184
Wed 10/1215:30YYC - SEA
1 stop8h 45mUnited Airlines
Sat 13/1205:30SEA - YYC
1 stop5h 56mUnited Airlines
Deal found 3/12£242
Sat 13/1214:13YYC - SEA
2 stops10h 02mUnited Airlines
Tue 27/105:00SEA - YYC
1 stop8h 21mUnited Airlines
Deal found 4/12£172
Thu 18/1216:00YYC - SEA
1 stop5h 50mDelta
Fri 23/115:10SEA - YYC
Nonstop1h 40mDelta
Deal found 4/12£198
Sat 10/119:00YYC - SEA
Nonstop1h 52mAlaska Airlines
Tue 24/215:30SEA - YYC
Nonstop1h 40mAlaska Airlines
Deal found 4/12£238
Sun 11/123:30YYC - SEA
2 stops11h 52mWestJet
Sun 22/215:10SEA - YYC
Nonstop1h 40mWestJet
Deal found 4/12£243
Sun 11/110:05YYC - SEA
1 stop7h 53mDelta
Sun 22/215:10SEA - YYC
Nonstop1h 40mDelta
Deal found 4/12£262
Wed 14/119:00YYC - SEA
Nonstop1h 52mAlaska Airlines
Tue 24/215:30SEA - YYC
Nonstop1h 40mAlaska Airlines
Deal found 4/12£229
Thu 15/119:00YYC - SEA
Nonstop1h 52mAlaska Airlines
Wed 25/215:30SEA - YYC
Nonstop1h 40mAlaska Airlines
Deal found 4/12£264
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 5 December 2025.
Sat 17/119:00YYC - SEA
Nonstop1h 52mAlaska Airlines
Deal found 3/12£79
Sun 25/115:30YYC - SEA
1 stop6h 42mUnited Airlines
Deal found 3/12£91
Fri 30/119:00YYC - SEA
Nonstop1h 52mAlaska Airlines
Deal found 3/12£92
Thu 29/106:15YYC - SEA
1 stop16h 00mUnited Airlines
Deal found 4/12£95
Wed 6/515:22YYC - SEA
1 stop6h 51mUnited Airlines
Deal found 4/12£97
Thu 29/119:00YYC - SEA
Nonstop1h 52mAlaska Airlines
Deal found 4/12£145
Thu 30/419:35YYC - SEA
Nonstop1h 53mDelta
Deal found 4/12£153
Sun 15/213:25YYC - SEA
Nonstop1h 54mDelta
Deal found 2/12£202
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 5 December 2025.
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 5 December 2025.
Use the filters below to find and compare flights from Calgary to Seattle that are best for you.
Fly from
Calgary
Fly to
Seattle
Route
Depart
Return
Price
CalgarySeattle
YYC - SEA
YYCSEA
Calgary
Wed 15/4
18:55-19:41
Nonstop1h 46m
Seattle/Tacoma Intl
Sun 24/5
07:56-10:27
Nonstop1h 31m
£148
CalgarySeattle
YYC - SEA
YYCSEA
Calgary
Tue 14/4
06:00-23:36
2 stops18h 36m
Seattle/Tacoma Intl
Tue 26/5
05:07-21:38
1 stop15h 31m
£165
CalgarySeattle
YYC - SEA
YYCSEA
Calgary
Tue 14/4
15:22-23:36
1 stop9h 14m
Seattle/Tacoma Intl
Sat 30/5
05:07-21:38
1 stop15h 31m
£165
CalgarySeattle
YYC - SEA
YYCSEA
Calgary
Wed 15/4
13:27-21:07
1 stop8h 40m
Seattle/Tacoma Intl
Tue 26/5
05:07-21:38
1 stop15h 31m
£165
CalgarySeattle
YYC - SEA
YYCSEA
Calgary
Wed 15/4
13:27-21:07
1 stop8h 40m
Seattle/Tacoma Intl
Sat 30/5
05:07-21:38
1 stop15h 31m
£165
CalgarySeattle
YYC - SEA
YYCSEA
Calgary
Thu 16/4
15:22-23:36
1 stop9h 14m
Seattle/Tacoma Intl
Tue 26/5
05:07-21:38
1 stop15h 31m
£165
CalgarySeattle
YYC - SEA
YYCSEA
Calgary
Mon 13/4
07:50-10:21
1 stop3h 31m
Seattle/Tacoma Intl
Tue 26/5
07:05-09:45
Nonstop1h 40m
£181
CalgarySeattle
YYC - SEA
YYCSEA
Calgary
Mon 13/4
07:50-10:21
1 stop3h 31m
Seattle/Tacoma Intl
Mon 25/5
07:05-09:45
Nonstop1h 40m
£181
CalgarySeattle
YYC - SEA
YYCSEA
Calgary
Thu 18/12
16:00-20:50
1 stop5h 50m
Seattle/Tacoma Intl
Fri 23/1
15:10-17:50
Nonstop1h 40m
£198
CalgarySeattle
YYC - SEA
YYCSEA
Calgary
Sat 18/4
18:55-19:41
Nonstop1h 46m
Seattle/Tacoma Intl
Sat 30/5
07:56-10:27
Nonstop1h 31m
£205
Flights are sorted by cheapest return flights first.
Deals found on 3/12
Showing 1-10 of 20 results
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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.
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?
Use this chart to determine the optimal time to book a return flight from Calgary to Seattle. Price data was last updated on 28 November 2025.
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, September is the cheapest month in which you can book a flight from Calgary to Seattle (average of £81). Flying from Calgary to Seattle in December is currently the most expensive (average of £127). 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 5 December 2025.
It’s typically best to fly out from Calgary to Seattle in the evening. Doing so could potentially save you 84% on the flight price compared to flying in the afternoon, which is usually more expensive.
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 5 December 2025.
The most flights from YYC to SEA are scheduled on a Thursday (7 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (3 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 112 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?
Wednesday tends to have the lowest number of delays on this route, whereas Sunday 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.
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 5 December 2025.
Read through reviews of airlines operating flights from Calgary to Seattle, such as WestJet. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
I like direct flight from Calgary to Japan. But it’s my fault, I did not decide my seat till last minute. I was in the middle seat in the middle lane, I hesitated asking to go to bathroom.
I like direct flight from Calgary to Japan. But it’s my fault, I did not decide my seat till last minute. I was in the middle seat in the middle lane, I hesitated asking to go to bathroom.
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.
What airports do I use to fly from Calgary to Seattle?
Booking a flight from Calgary (YYC) to Seattle/Tacoma Intl (SEA) is your only option if you wish to fly from Calgary to Seattle. On a typical day, there are 4 flights from Calgary to Seattle/Tacoma Intl, all of which are around 1h 52m for a nonstop flight. You can also purchase a plane ticket from 1 airline when you book a flight from Calgary to Seattle.
How popular is this Calgary to Seattle flight route?
Flights from Calgary to Seattle/Tacoma Intl have been viewed 14 times in the past calendar month.
How long is the flight from Calgary to Seattle?
For as low as £148, Alaska Airlines can have you in Seattle from Calgary in 1h 46m. The distance between Calgary and Seattle is about 451 mi. This flight may include one or multiple stops.
What is the cheapest airline to fly from Calgary to Seattle round-trip?
Cheapflights users have booked flights from Calgary to Seattle round-trip from £115. This flight start at 32% lower than the current average price 3 months from now.
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%), Qantas Airways (89%), Qatar Airways (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, September is the cheapest month in which you can book a flight from Calgary to Seattle (average of £81). Flying from Calgary to Seattle in December is currently the most expensive (average of £127). 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 5 December 2025.
Discover the top airline that operate flights from Calgary 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 858,174 searches. Data last updated 5 December 2025.
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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