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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — SEA
22 Jan — 29 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 November 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 23 December 2025.
Fri 26/1216:00YYC - SEA
1 stop5h 46mWestJet
Sun 28/1217:30SEA - YYC
1 stop5h 16mWestJet
Deal found 22/12£467
Tue 30/1219:00YYC - SEA
1 stop18h 39mWestJet
Wed 31/1215:10SEA - YYC
Nonstop1h 40mWestJet
Deal found 21/12£475
Wed 24/1214:13YYC - SEA
1 stop8h 04mUnited Airlines
Tue 27/112:35SEA - YYC
3 stops23h 33mUnited Airlines
Deal found 22/12£508
Tue 30/1207:45YYC - SEA
1 stop5h 54mWestJet
Tue 30/1215:10SEA - YYC
Nonstop1h 40mWestJet
Deal found 21/12£558
Tue 23/1211:31YYC - SEA
Nonstop1h 52mAlaska Airlines
Sat 3/108:05SEA - YYC
Nonstop1h 36mAlaska Airlines
Deal found 22/12£624
Fri 26/1214:13YYC - SEA
2 stops11h 46mUnited Airlines
Tue 27/109:00SEA - YYC
2 stops28h 21mUnited Airlines
Deal found 22/12£633
Mon 22/1214:13YYC - SEA
1 stop9h 59mUnited Airlines
Sun 4/117:05SEA - YYC
2 stops27h 48mUnited Airlines
Deal found 21/12£637
Tue 23/1214:13YYC - SEA
1 stop9h 59mUnited Airlines
Sat 3/105:00SEA - YYC
2 stops15h 53mUnited Airlines
Deal found 22/12£680
Mon 22/1214:13YYC - SEA
1 stop9h 59mUnited Airlines
Mon 29/1205:00SEA - YYC
2 stops15h 53mUnited Airlines
Deal found 21/12£684
Fri 26/1206:15YYC - SEA
3 stops15h 52mUnited Airlines
Fri 2/105:00SEA - YYC
1 stop6h 26mUnited Airlines
Deal found 21/12£814
Mon 22/1206:15YYC - SEA
3 stops15h 52mUnited Airlines
Wed 31/1205:02SEA - YYC
1 stop15h 51mUnited Airlines
Deal found 21/12£832
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 23 December 2025.
Wed 21/119:00YYC - SEA
Nonstop1h 52mMultiple Airlines
Thu 22/115:10SEA - YYC
Nonstop1h 40mMultiple Airlines
Deal found 21/12£135
Wed 21/106:15YYC - SEA
1 stop8h 42mUnited Airlines
Wed 21/119:30SEA - YYC
1 stop15h 56mUnited Airlines
Deal found 21/12£156
Tue 20/113:10YYC - SEA
2 stops9h 56mAir Canada
Thu 22/105:50SEA - YYC
1 stop14h 09mAir Canada
Deal found 21/12£165
Tue 20/119:00YYC - SEA
Nonstop1h 52mMultiple Airlines
Thu 22/115:10SEA - YYC
Nonstop1h 40mMultiple Airlines
Deal found 21/12£138
Tue 20/119:00YYC - SEA
Nonstop1h 52mMultiple Airlines
Fri 23/111:55SEA - YYC
1 stop4h 20mMultiple Airlines
Deal found 21/12£138
Tue 28/413:27YYC - SEA
2 stops11h 00mUnited Airlines
Tue 5/519:37SEA - YYC
1 stop15h 26mUnited Airlines
Deal found 23/12£165
Wed 21/113:10YYC - SEA
2 stops9h 56mMultiple Airlines
Fri 23/115:10SEA - YYC
Nonstop1h 40mMultiple Airlines
Deal found 21/12£150
Mon 19/106:00YYC - SEA
1 stop4h 15mMultiple Airlines
Fri 23/115:10SEA - YYC
Nonstop1h 40mMultiple Airlines
Deal found 21/12£170
Mon 19/118:30YYC - SEA
1 stop4h 36mMultiple Airlines
Thu 22/115:10SEA - YYC
Nonstop1h 40mMultiple Airlines
Deal found 21/12£173
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 23 December 2025.
Wed 21/119:00YYC - SEA
Nonstop1h 52mMultiple Airlines
Fri 23/115:10SEA - YYC
Nonstop1h 40mMultiple Airlines
Deal found 21/12£135
Tue 20/119:00YYC - SEA
Nonstop1h 52mMultiple Airlines
Thu 22/115:10SEA - YYC
Nonstop1h 40mMultiple Airlines
Deal found 21/12£138
Tue 20/119:00YYC - SEA
Nonstop1h 52mMultiple Airlines
Fri 23/115:10SEA - YYC
Nonstop1h 40mMultiple Airlines
Deal found 21/12£141
Tue 20/119:00YYC - SEA
Nonstop1h 52mMultiple Airlines
Wed 21/115:10SEA - YYC
Nonstop1h 40mMultiple Airlines
Deal found 21/12£209
Thu 5/219:00YYC - SEA
Nonstop1h 52mAlaska Airlines
Wed 15/415:40SEA - YYC
Nonstop1h 32mAlaska Airlines
Deal found 20/12£246
Sat 28/219:00YYC - SEA
Nonstop1h 57mAlaska Airlines
Tue 3/315:30SEA - YYC
Nonstop1h 40mAlaska Airlines
Deal found 21/12£294
Mon 19/113:25YYC - SEA
Nonstop1h 55mWestJet
Fri 23/115:10SEA - YYC
Nonstop1h 40mWestJet
Deal found 21/12£332
Thu 15/113:25YYC - SEA
Nonstop1h 55mDelta
Tue 20/115:10SEA - YYC
Nonstop1h 40mDelta
Deal found 21/12£353
Mon 19/113:25YYC - SEA
Nonstop1h 55mDelta
Mon 26/115:10SEA - YYC
Nonstop1h 40mDelta
Deal found 22/12£375
Mon 19/113:25YYC - SEA
Nonstop1h 55mWestJet
Wed 21/115:10SEA - YYC
Nonstop1h 40mWestJet
Deal found 21/12£378
Last-minute flights from Calgary to Seattle
Discover last-minute flight deals from Calgary to Seattle. Data last updated 23 December 2025 and is based on user searches.
Mon 19/107:15YYC - SEA
1 stop25h 00mMultiple Airlines
Fri 23/111:55SEA - YYC
1 stop4h 20mMultiple Airlines
Deal found 21/12£162
Tue 20/113:10YYC - SEA
2 stops9h 56mMultiple Airlines
Thu 22/115:10SEA - YYC
Nonstop1h 40mMultiple Airlines
Deal found 21/12£131
Tue 20/119:00YYC - SEA
Nonstop1h 52mMultiple Airlines
Fri 23/111:55SEA - YYC
1 stop4h 20mMultiple Airlines
Deal found 21/12£138
Tue 20/113:10YYC - SEA
2 stops9h 56mAir Canada
Thu 22/105:50SEA - YYC
1 stop14h 09mAir Canada
Deal found 21/12£165
Wed 21/119:00YYC - SEA
Nonstop1h 52mMultiple Airlines
Fri 23/115:10SEA - YYC
Nonstop1h 40mMultiple Airlines
Deal found 21/12£135
Wed 21/113:10YYC - SEA
2 stops9h 56mMultiple Airlines
Thu 22/115:10SEA - YYC
Nonstop1h 40mMultiple Airlines
Deal found 21/12£151
Wed 21/113:10YYC - SEA
2 stops9h 56mAir Canada
Fri 23/115:40SEA - YYC
1 stop6h 04mAir Canada
Deal found 21/12£153
Wed 21/106:15YYC - SEA
1 stop8h 42mUnited Airlines
Wed 21/119:30SEA - YYC
1 stop15h 56mUnited Airlines
Deal found 21/12£156
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 23 December 2025.
Mon 9/213:25YYC - SEA
Nonstop1h 54mDelta
Deal found 22/12£113
Mon 23/319:00YYC - SEA
Nonstop1h 51mAlaska Airlines
Deal found 21/12£115
Sun 18/119:00YYC - SEA
Nonstop1h 52mAlaska Airlines
Deal found 21/12£134
Wed 10/606:00YYC - SEA
Nonstop1h 50mAlaska Airlines
Deal found 22/12£135
Wed 25/213:25YYC - SEA
Nonstop1h 54mDelta
Deal found 20/12£155
Tue 10/206:15YYC - SEA
3 stops15h 57mUnited Airlines
Deal found 22/12£195
Sun 11/113:25YYC - SEA
Nonstop1h 55mDelta
Deal found 22/12£202
Wed 25/206:15YYC - SEA
3 stops15h 46mUnited Airlines
Deal found 20/12£247
Mon 9/206:15YYC - SEA
3 stops15h 57mUnited Airlines
Deal found 22/12£272
Sun 18/106:15YYC - SEA
3 stops15h 57mUnited Airlines
Deal found 21/12£298
Tue 6/113:25YYC - SEA
Nonstop1h 55mDelta
Deal found 20/12£305
Tue 6/106:15YYC - SEA
3 stops15h 57mUnited Airlines
Deal found 20/12£427
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 23 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 23 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 21/1
19:00-19:52
Nonstop1h 52m
Seattle/Tacoma Intl
Thu 22/1
15:10-17:50
Nonstop1h 40m
£135
CalgarySeattle
YYC - SEA
YYCSEA
Calgary
Tue 20/1
19:00-19:52
Nonstop1h 52m
Seattle/Tacoma Intl
Thu 22/1
15:10-17:50
Nonstop1h 40m
£138
CalgarySeattle
YYC - SEA
YYCSEA
Calgary
Tue 20/1
19:00-19:52
Nonstop1h 52m
Seattle/Tacoma Intl
Fri 23/1
11:55-17:15
1 stop4h 20m
£138
CalgarySeattle
YYC - SEA
YYCSEA
Calgary
Wed 21/1
13:10-22:06
2 stops9h 56m
Seattle/Tacoma Intl
Fri 23/1
15:10-17:50
Nonstop1h 40m
£150
CalgarySeattle
YYC - SEA
YYCSEA
Calgary
Wed 21/1
06:15-13:57
1 stop8h 42m
Seattle/Tacoma Intl
Wed 21/1
19:30-12:26
1 stop15h 56m
£156
CalgarySeattle
YYC - SEA
YYCSEA
Calgary
Tue 20/1
13:10-22:06
2 stops9h 56m
Seattle/Tacoma Intl
Thu 22/1
05:50-20:59
1 stop14h 09m
£165
CalgarySeattle
YYC - SEA
YYCSEA
Calgary
Tue 28/4
13:27-23:27
2 stops11h 00m
Seattle/Tacoma Intl
Tue 5/5
19:37-12:03
1 stop15h 26m
£165
CalgarySeattle
YYC - SEA
YYCSEA
Calgary
Mon 19/1
06:00-09:15
1 stop4h 15m
Seattle/Tacoma Intl
Fri 23/1
15:10-17:50
Nonstop1h 40m
£170
CalgarySeattle
YYC - SEA
YYCSEA
Calgary
Mon 19/1
18:30-22:06
1 stop4h 36m
Seattle/Tacoma Intl
Thu 22/1
15:10-17:50
Nonstop1h 40m
£173
CalgarySeattle
YYC - SEA
YYCSEA
Calgary
Mon 9/2
13:25-14:19
Nonstop1h 54m
£113
Flights are sorted by cheapest return flights first.
Deals found on 22/12
Showing 1-10 of 21 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 19 December 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 £80). Flying from Calgary to Seattle in December is currently the most expensive (average of £123). 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 23 December 2025.
It’s typically best to fly out from Calgary to Seattle in the evening. Doing so could potentially save you 86% on the flight price compared to flying at midday, 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 23 December 2025.
The most flights from YYC to SEA are scheduled on a Sunday (11 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (6 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 111 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 23 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 8 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 15 times in the past calendar month.
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: Delta (80%), WestJet (80%), Emirates (75%).
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 £80). Flying from Calgary to Seattle in December is currently the most expensive (average of £123). 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.
Browse through other flights departing from Calgary. Flights are based on user searches made on Cheapflights and were last updated on 23 December 2025.
Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 23 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 23 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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