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Cheap flights from Calgary to Seattle from £75

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 14/1. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — SEA
18 Oct — 25 Oct1
1 adult
1 adult, Economy

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 Thursday or Wednesday and return on a Tuesday

Cheap 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 18 September 2025.

Round-trip from

£106

One-way from

£75

Popular in

December

Cheapest in

March

Average price

£175

Good one-way deal

£316 or less
Air Canada
  • Air Canada
  • 17/10-24/10
  • 2 total stops
  • 8h 38m total
  • Calgary to Seattle
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Alaska Airlines
  • Alaska Airlines
  • 14/1
  • Nonstop
  • 1h 48m total
  • Calgary to Seattle
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Highest demand for flights based on searches. 16% potential increase in price (£25 potential increase over avg. return price).
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Cheapest flight prices on average. 5% potential price decrease (£7 potential savings vs. average return price).
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Average for round-trip flights in September 2025
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Price to beat on a one-way flight from Calgary to Seattle/Tacoma Intl.
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Find flight deals from Calgary to Seattle

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 18 September 2025.

Fri 17/1006:10YYC - SEA
1 stop4h 11mMultiple Airlines
Fri 24/1008:40SEA - YYC
Nonstop1h 50mMultiple Airlines
Deal found 17/9£106
Fri 17/1015:50YYC - SEA
2 stops7h 41mAir Canada
Fri 24/1005:30SEA - YYC
2 stops8h 30mAir Canada
Deal found 17/9£116
Sat 1/1115:00YYC - SEA
1 stop5h 16mAir Canada
Sat 8/1115:40SEA - YYC
1 stop6h 04mAir Canada
Deal found 17/9£118
Sat 1/1118:30YYC - SEA
1 stop4h 36mMultiple Airlines
Sat 8/1115:20SEA - YYC
Nonstop1h 54mMultiple Airlines
Deal found 17/9£120
Sun 16/1113:25YYC - SEA
Nonstop1h 55mWestJet
Mon 17/1111:55SEA - YYC
1 stop4h 20mWestJet
Deal found 16/9£122
Sat 4/1015:49YYC - SEA
1 stop6h 26mUnited Airlines
Sat 11/1019:37SEA - YYC
1 stop15h 42mUnited Airlines
Deal found 15/9£131
Sat 11/1015:49YYC - SEA
1 stop8h 26mUnited Airlines
Sat 18/1005:00SEA - YYC
1 stop7h 53mUnited Airlines
Deal found 16/9£132
Tue 4/1115:30YYC - SEA
1 stop8h 45mUnited Airlines
Wed 19/1105:30SEA - YYC
1 stop5h 56mUnited Airlines
Deal found 16/9£135
Thu 13/1123:40YYC - SEA
1 stop11h 43mWestJet
Wed 19/1115:10SEA - YYC
Nonstop1h 40mWestJet
Deal found 16/9£137
Sat 15/1114:13YYC - SEA
2 stops10h 02mUnited Airlines
Wed 19/1105:30SEA - YYC
1 stop5h 56mUnited Airlines
Deal found 16/9£138

Cheapflights Fare Finder

 
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 18 September 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

Sun 16/11

13:25-14:20

Nonstop1h 55m

Seattle/Tacoma Intl

Mon 17/11

15:10-17:50

Nonstop1h 40m

£116

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Sat 4/10

15:49-21:15

1 stop6h 26m

Seattle/Tacoma Intl

Sat 11/10

19:37-12:19

1 stop15h 42m

£131

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Sat 11/10

15:49-23:15

1 stop8h 26m

Seattle/Tacoma Intl

Sat 18/10

05:00-13:53

1 stop7h 53m

£132

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Thu 13/11

06:15-21:13

1 stop15h 58m

Seattle/Tacoma Intl

Wed 19/11

05:30-12:26

1 stop5h 56m

£135

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Fri 14/11

14:13-21:13

1 stop8h 00m

Seattle/Tacoma Intl

Wed 19/11

05:30-12:26

1 stop5h 56m

£135

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Tue 4/11

15:30-23:15

1 stop8h 45m

Seattle/Tacoma Intl

Wed 19/11

05:30-12:26

1 stop5h 56m

£135

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Wed 5/11

15:30-23:15

1 stop8h 45m

Seattle/Tacoma Intl

Wed 19/11

05:30-12:26

1 stop5h 56m

£135

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Thu 13/11

23:40-10:23

1 stop11h 43m

Seattle/Tacoma Intl

Wed 19/11

15:10-17:50

Nonstop1h 40m

£137

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Sat 15/11

14:13-23:15

2 stops10h 02m

Seattle/Tacoma Intl

Tue 18/11

05:30-12:26

1 stop5h 56m

£138

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Tue 18/11

06:15-23:15

2 stops18h 00m

Seattle/Tacoma Intl

Wed 19/11

05:30-12:26

1 stop5h 56m

£138

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 22 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

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 12 September 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, January is the cheapest month in which you can book a flight from Calgary to Seattle (average of £622). Flying from Calgary to Seattle in July is currently the most expensive (average of £946). 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 18 September 2025.

It’s typically best to fly out from Calgary to Seattle at midday. Doing so could potentially save you 45% on the flight price compared to flying in the morning, which is usually more expensive.

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 18 September 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.
WestJet
7.2
Good
3,095 reviews
Check prices

Overall

7.2

Comfort

7.1

Crew

7.9

Food

6.2

Boarding

7.4

Entertainment

6.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

YYC - NRT

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.
WestJet
7.2
Good
3,095 reviews
WestJet
7.2
Good
3,095 reviews
Check prices

Overall

7.2

Comfort

7.1

Crew

7.9

Food

6.2

Boarding

7.4

Entertainment

6.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

YYC - NRT

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 17 flights from Calgary to Seattle/Tacoma Intl, all of which are around 1h 50m 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 £116, WestJet can have you in Seattle from Calgary in 1h 55m. 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 £113. This flight start at 34% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Calgary to Seattle one-way?

    For one-way options, check prices for Alaska Airlines. According to our data, you can fly for as low as £75. Users have also found prices from £84 and £85 on WestJet and United Airlines, respectively.

  • 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: Singapore Airlines (91%), Qatar Airways (77%), American Airlines (75%).

  • What are the cheapest flights from Calgary to Seattle?

    While on average a flight from Calgary to Seattle is generally £650, our data shows the cheapest flight currently is £150. When looking at the most popular route, (Calgary - Seattle/Tacoma Intl), you can expect to pay £114 for that flight.

  • 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, January is the cheapest month in which you can book a flight from Calgary to Seattle (average of £622). Flying from Calgary to Seattle in July is currently the most expensive (average of £946). 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.

See more FAQs

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Leavenworth
Bothell
SeaTac

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Calgary to Seattle

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 18 September 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest£113Average£206FlexibilityNo cancel feeOn-time60%
Search WestJet flights

Fly with Cheapflights

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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