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 21/1. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — SEA
11 Jan — 18 Jan1
Round-trip
1 adult
Economy
Round-trip
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 Friday or Thursday and return on a Saturday
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 12 December 2025.
Thu 18/127:50 p.m.YYC - SEA
1 stop3h 56mAir Canada
Fri 23/13:40 p.m.SEA - YYC
1 stop6h 04mAir Canada
Deal found 11/12C$ 302
Thu 25/123:30 p.m.YYC - SEA
1 stop6h 11mMultiple Airlines
Sun 25/13:10 p.m.SEA - YYC
Nonstop1h 40mMultiple Airlines
Deal found 10/12C$ 426
Thu 18/127:45 a.m.YYC - SEA
1 stop6h 11mWestJet
Fri 23/13:10 p.m.SEA - YYC
Nonstop1h 40mWestJet
Deal found 11/12C$ 448
Thu 25/1211:30 p.m.YYC - SEA
1 stop11h 29mWestJet
Sun 25/111:55 a.m.SEA - YYC
1 stop5h 25mWestJet
Deal found 10/12C$ 462
Thu 25/123:30 p.m.YYC - SEA
1 stop6h 11mMultiple Airlines
Thu 1/111:10 p.m.SEA - YYC
1 stop11h 10mMultiple Airlines
Deal found 10/12C$ 477
Mon 22/126:00 a.m.YYC - SEA
1 stop4h 31mAir Canada
Tue 6/13:40 p.m.SEA - YYC
1 stop6h 04mAir Canada
Deal found 10/12C$ 483
Sat 20/126:00 a.m.YYC - SEA
1 stop4h 31mAir Canada
Wed 31/123:40 p.m.SEA - YYC
1 stop4h 19mAir Canada
Deal found 10/12C$ 495
Sun 14/126:00 a.m.YYC - SEA
1 stop4h 31mAir Canada
Wed 17/123:40 p.m.SEA - YYC
1 stop4h 19mAir Canada
Deal found 10/12C$ 502
Sat 20/127:50 p.m.YYC - SEA
1 stop3h 56mAir Canada
Thu 1/15:50 a.m.SEA - YYC
2 stops8h 55mAir Canada
Deal found 10/12C$ 506
Best flights from Calgary to Seattle
Discover carefully curated flight deals from Calgary to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 12 December 2025.
Tue 27/17:00 p.m.YYC - SEA
Nonstop1h 52mMultiple Airlines
Fri 30/111:55 a.m.SEA - YYC
1 stop5h 25mMultiple Airlines
Deal found 9/12C$ 237
Sat 18/47:50 a.m.YYC - SEA
1 stop3h 35mWestJet
Mon 27/43:35 p.m.SEA - YYC
1 stop5h 45mWestJet
Deal found 10/12C$ 269
Sun 24/53:22 p.m.YYC - SEA
1 stop8h 59mUnited Airlines
Tue 2/611:11 a.m.SEA - YYC
1 stop9h 27mUnited Airlines
Deal found 9/12C$ 277
Thu 26/36:00 a.m.YYC - SEA
1 stop4h 31mAir Canada
Mon 30/33:40 p.m.SEA - YYC
2 stops18h 26mAir Canada
Deal found 11/12C$ 312
Mon 11/59:00 a.m.YYC - SEA
1 stop6h 09mMultiple Airlines
Thu 14/57:56 a.m.SEA - YYC
Nonstop1h 31mMultiple Airlines
Deal found 10/12C$ 273
Thu 26/31:25 p.m.YYC - SEA
Nonstop1h 54mWestJet
Mon 30/311:55 a.m.SEA - YYC
1 stop4h 20mWestJet
Deal found 10/12C$ 287
Tue 3/26:00 a.m.YYC - SEA
1 stop4h 31mAir Canada
Mon 16/23:40 p.m.SEA - YYC
1 stop6h 04mAir Canada
Deal found 9/12C$ 334
Fri 6/31:25 p.m.YYC - SEA
Nonstop1h 54mWestJet
Tue 10/33:10 p.m.SEA - YYC
Nonstop1h 40mWestJet
Deal found 9/12C$ 320
Tue 3/21:25 p.m.YYC - SEA
Nonstop1h 54mWestJet
Mon 16/23:10 p.m.SEA - YYC
Nonstop1h 40mWestJet
Deal found 9/12C$ 323
Wed 4/21:25 p.m.YYC - SEA
Nonstop1h 54mWestJet
Mon 16/23:10 p.m.SEA - YYC
Nonstop1h 40mWestJet
Deal found 9/12C$ 343
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 12 December 2025.
Tue 27/17:00 p.m.YYC - SEA
Nonstop1h 52mMultiple Airlines
Fri 30/13:10 p.m.SEA - YYC
Nonstop1h 40mMultiple Airlines
Deal found 9/12C$ 233
Sat 17/11:30 p.m.YYC - SEA
Nonstop2h 08mWestJet
Mon 19/13:10 p.m.SEA - YYC
Nonstop1h 40mWestJet
Deal found 10/12C$ 234
Wed 15/41:25 p.m.YYC - SEA
Nonstop1h 54mWestJet
Thu 16/43:10 p.m.SEA - YYC
Nonstop1h 40mWestJet
Deal found 11/12C$ 257
Wed 15/41:25 p.m.YYC - SEA
Nonstop1h 54mWestJet
Tue 21/43:10 p.m.SEA - YYC
Nonstop1h 40mWestJet
Deal found 11/12C$ 269
Tue 14/41:25 p.m.YYC - SEA
Nonstop1h 54mWestJet
Tue 21/43:10 p.m.SEA - YYC
Nonstop1h 40mWestJet
Deal found 11/12C$ 270
Sun 24/57:35 p.m.YYC - SEA
Nonstop1h 53mMultiple Airlines
Tue 2/67:56 a.m.SEA - YYC
Nonstop1h 31mMultiple Airlines
Deal found 9/12C$ 272
Mon 11/57:35 p.m.YYC - SEA
Nonstop1h 53mMultiple Airlines
Thu 14/57:56 a.m.SEA - YYC
Nonstop1h 31mMultiple Airlines
Deal found 11/12C$ 274
Sun 12/41:25 p.m.YYC - SEA
Nonstop1h 54mWestJet
Tue 21/43:10 p.m.SEA - YYC
Nonstop1h 40mWestJet
Deal found 11/12C$ 276
Mon 13/41:25 p.m.YYC - SEA
Nonstop1h 54mWestJet
Tue 21/43:10 p.m.SEA - YYC
Nonstop1h 40mWestJet
Deal found 11/12C$ 277
Tue 14/41:25 p.m.YYC - SEA
Nonstop1h 54mWestJet
Fri 17/43:10 p.m.SEA - YYC
Nonstop1h 40mWestJet
Deal found 11/12C$ 280
Sun 12/41:25 p.m.YYC - SEA
Nonstop1h 54mWestJet
Mon 20/43:10 p.m.SEA - YYC
Nonstop1h 40mWestJet
Deal found 11/12C$ 287
Last-minute flights from Calgary to Seattle
Discover last-minute flight deals from Calgary to Seattle. Data last updated 12 December 2025 and is based on user searches.
Thu 15/16:00 a.m.YYC - SEA
1 stop4h 15mAir Canada
Mon 19/13:40 p.m.SEA - YYC
1 stop4h 19mAir Canada
Deal found 11/12C$ 229
Thu 15/111:40 p.m.YYC - SEA
1 stop11h 42mWestJet
Mon 19/13:10 p.m.SEA - YYC
Nonstop1h 40mWestJet
Deal found 11/12C$ 250
Sat 17/17:50 a.m.YYC - SEA
1 stop3h 32mWestJet
Mon 19/13:10 p.m.SEA - YYC
Nonstop1h 40mWestJet
Deal found 10/12C$ 219
Tue 27/17:00 p.m.YYC - SEA
Nonstop1h 52mMultiple Airlines
Fri 30/13:10 p.m.SEA - YYC
Nonstop1h 40mMultiple Airlines
Deal found 9/12C$ 233
Thu 29/11:25 p.m.YYC - SEA
Nonstop1h 55mWestJet
Fri 6/211:55 a.m.SEA - YYC
1 stop4h 18mWestJet
Deal found 11/12C$ 243
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 12 December 2025.
Wed 21/17:00 p.m.YYC - SEA
Nonstop1h 52mAlaska Airlines
Deal found 11/12C$ 142
Wed 14/11:10 p.m.YYC - SEA
2 stops9h 56mAir Canada
Deal found 10/12C$ 143
Sat 17/11:30 p.m.YYC - SEA
Nonstop2h 08mWestJet
Deal found 11/12C$ 146
Sat 17/16:30 p.m.YYC - SEA
1 stop4h 36mAir Canada
Deal found 11/12C$ 149
Tue 17/31:25 p.m.YYC - SEA
Nonstop1h 54mWestJet
Deal found 10/12C$ 153
Sat 10/11:10 p.m.YYC - SEA
2 stops9h 56mAir Canada
Deal found 11/12C$ 157
Fri 16/16:00 a.m.YYC - SEA
1 stop4h 15mAir Canada
Deal found 11/12C$ 163
Fri 16/111:30 p.m.YYC - SEA
2 stops11h 52mWestJet
Deal found 11/12C$ 165
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 12 December 2025.
Customize 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 629,999 searches. Data last updated 12 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
Tue 27/1
7:00 p.m.-7:52 p.m.
Nonstop1h 52m
Seattle/Tacoma Intl
Fri 30/1
11:55 a.m.-6:20 p.m.
1 stop5h 25m
C$ 237
CalgarySeattle
YYC - SEA
YYCSEA
Calgary
Sat 18/4
7:50 a.m.-10:25 a.m.
1 stop3h 35m
Seattle/Tacoma Intl
Mon 27/4
3:35 p.m.-10:20 p.m.
1 stop5h 45m
C$ 269
CalgarySeattle
YYC - SEA
YYCSEA
Calgary
Mon 11/5
9:00 a.m.-2:09 p.m.
1 stop6h 09m
Seattle/Tacoma Intl
Thu 14/5
7:56 a.m.-10:27 a.m.
Nonstop1h 31m
C$ 273
CalgarySeattle
YYC - SEA
YYCSEA
Calgary
Sun 24/5
3:22 p.m.-11:21 p.m.
1 stop8h 59m
Seattle/Tacoma Intl
Tue 2/6
11:11 a.m.-9:38 p.m.
1 stop9h 27m
C$ 277
CalgarySeattle
YYC - SEA
YYCSEA
Calgary
Thu 26/3
1:25 p.m.-2:19 p.m.
Nonstop1h 54m
Seattle/Tacoma Intl
Mon 30/3
11:55 a.m.-5:15 p.m.
1 stop4h 20m
C$ 287
CalgarySeattle
YYC - SEA
YYCSEA
Calgary
Thu 26/3
6:00 a.m.-9:31 a.m.
1 stop4h 31m
Seattle/Tacoma Intl
Mon 30/3
3:40 p.m.-11:06 a.m.
2 stops18h 26m
C$ 312
CalgarySeattle
YYC - SEA
YYCSEA
Calgary
Fri 6/3
1:25 p.m.-2:19 p.m.
Nonstop1h 54m
Seattle/Tacoma Intl
Tue 10/3
3:10 p.m.-5:50 p.m.
Nonstop1h 40m
C$ 320
CalgarySeattle
YYC - SEA
YYCSEA
Calgary
Tue 3/2
1:25 p.m.-2:19 p.m.
Nonstop1h 54m
Seattle/Tacoma Intl
Mon 16/2
3:10 p.m.-5:50 p.m.
Nonstop1h 40m
C$ 323
CalgarySeattle
YYC - SEA
YYCSEA
Calgary
Tue 3/2
6:00 a.m.-9:31 a.m.
1 stop4h 31m
Seattle/Tacoma Intl
Mon 16/2
3:40 p.m.-10:44 p.m.
1 stop6h 04m
C$ 334
CalgarySeattle
YYC - SEA
YYCSEA
Calgary
Wed 4/2
1:25 p.m.-2:19 p.m.
Nonstop1h 54m
Seattle/Tacoma Intl
Mon 16/2
3:10 p.m.-5:50 p.m.
Nonstop1h 40m
C$ 343
Flights are sorted by cheapest round-trip flights first.
Deals found on 11/12
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 round-trip 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
More
How far ahead should I book a flight from Calgary to Seattle?
Use this chart to determine the optimal time to book a round-trip flight from Calgary to Seattle. Price data was last updated on 5 December 2025.
The best time to book flights from Calgary to Seattle is 56 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
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 C$ 148). Flying from Calgary to Seattle in December is currently the most expensive (average of C$ 229). 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 12 December 2025.
It’s optimal to fly from Calgary to Seattle in the evening. By choosing this option you can save up to 78% on the cost of your flight, compared to a flight at noon.
What is the cheapest day to fly from Calgary to Seattle?
Use this chart to determine the cheapest time to fly round-trip from Calgary to Seattle. Price data was last updated on 6 December 2025.
Travelers seeking maximum savings on their Calgary to Seattle flight should consider departing on Friday evenings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
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 12 December 2025.
The most flights from YYC to SEA are scheduled on a Wednesday (11 on average). You will have fewer flight options on Saturday, 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 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 has had the lowest number of delays on this route, with just 15% of flights being delayed.
What’s the top layover airport for flights from Calgary to Seattle?
Share of one-stop round-trip flights from Calgary to Seattle chosen by Cheapflights users in the past 12 months, using the same layover each way.
Vancouver (YVR) – chosen by Cheapflights users on 78% of one-stop itineraries from Calgary to Seattle on Cheapflights.
What’s the cheapest layover airport for flights from Calgary to Seattle?
Average round-trip fare for 1-stop flights from Calgary to Seattle, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Kelowna (YLW) is the most affordable 1-stop option, with an average round-trip price of C$ 258.
What’s the fastest layover option from Calgary to Seattle?
Shortest average travel time for 1-stop one-way flights from Calgary to Seattle, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Kelowna (YLW) have the shortest average one-way travel time for 1-stop routes: 4h 25m.
Which airport typically offers the quickest layover for flights from Calgary to Seattle?
Average layover duration for 1-stop one-way flights from Calgary to Seattle, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via San Francisco (SFO) offer the fastest connection on this route, with an average layover time of 1h 17m.
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 12 December 2025.
Read through reviews of airlines operating flights from Calgary to Seattle, such as Alaska Airlines,Hawaiian Airlines, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
The flight was great. Don’t have to make it better. Everything was OK.
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 7 flights from Calgary to Seattle/Tacoma Intl, all of which are around 1h 46m for a nonstop flight. You can also purchase a plane ticket from 6 airlines when you book a flight from Calgary to Seattle.
How popular is this Calgary to Seattle flight route?
This flight path from Calgary to Seattle/Tacoma Intl was viewed by 2,686 users in the past month. Keep an eye out for changes in search interest prior to high and low season.
How long is the flight from Calgary to Seattle?
WestJet and United Airlines can get you from Calgary to Seattle in just under 3h 35m. Your travel time can differ by up to 5h 24m. Calgary and Seattle are separated by a distance of 726 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What are the cheapest airlines flying from Calgary to Seattle round-trip?
According to our current data, United Airlines (C$ 168), WestJet (C$ 187), and Delta (C$ 202) offers the cheapest pricing from Calgary to Seattle. United Airlines is currently priced 47% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from Calgary to Seattle one-way?
To fly one-way, consider booking your trip with WestJet, which is currently one of the cheapest options available, starting at C$ 110. Air Canada flights start at C$ 119 while deals on Alaska Airlines start at C$ 142 one-way.
What are the most reliable airlines from Calgary to Seattle?
No one likes to see their flight delayed. When booking a flight from Calgary to Seattle consider choosing Japan Airlines (100%), Qantas Airways (89%) or Qatar Airways (86%) as they are the most reliable in getting you off to your destination on time.
What are the cheapest flights from Calgary to Seattle?
The cheapest flight price from Calgary to Seattle is C$ 124. On average you can expect to pay C$ 1,063. The most popular route, (Calgary - Seattle/Tacoma Intl), can usually be booked for C$ 214.
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 C$ 148). Flying from Calgary to Seattle in December is currently the most expensive (average of C$ 229). 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.
Book flights to Seattle if you plan to visit one of these locations
Leavenworth
SeaTac
Tukwila
Mukilteo
Tacoma
Bothell
Cashmere
Olympia
Renton
Marysville
Lynnwood
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Fly from Calgary to Seattle on these airlines
Choose from the following airlines for your flight from Calgary to Seattle. Flights are based on user searches made on Cheapflights and were last updated on 12 December 2025.
Browse through other flights departing from Calgary. Flights are based on user searches made on Cheapflights and were last updated on 12 December 2025.
Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 12 December 2025.
Discover the top 6 airlines 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 629,999 searches. Data last updated 12 December 2025.
Find the best flight deals on Cheapflights, where travelers 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?
When you search for this flight from Calgary to Seattle, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.
Why should you use Cheapflights to find cheap flight tickets from Calgary to Seattle?
It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Calgary to Seattle.
Can Cheapflights find flights from Calgary to Seattle with no change fees?
Yes, we can. To see specific flights from Calgary to Seattle with no change fees, users can toggle flexible booking options after using the search form above to find flights.
Can Cheapflights notify me if prices for flights from Calgary to Seattle become cheaper?
Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Seattle from Calgary today and book when prices fit your budget.
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