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.

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.

Which airline has the best punctuality record on Calgary to Seattle flights?

Over the last year, Alaska Airlines have had the lowest number of delays on this route, with just 15% of flights being delayed.

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.

How popular is this Calgary to Seattle flight route?

Flights from Calgary to Seattle/Tacoma Intl have been viewed 60 times in the past calendar month.

How long is the flight from Calgary to Seattle?

A quick flight from Calgary to Seattle can take about 3h 32m. WestJet provides one of the quickest options available for as low as $163. The distance from Calgary to Seattle is about 451 mi.

What are the cheapest airlines flying from Calgary to Seattle round-trip?

According to our current data, Air Canada ($56), WestJet ($130), and Alaska Airlines ($186) offers the cheapest pricing from Calgary to Seattle. Air Canada is priced at 75% lower than the current average price of a flight leaving 3 months from now.

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

$92 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Air Canada and Alaska Airlines, with prices starting from $101 and $119, respectively.

Weekly flight availability from Calgary to Seattle

The most flights from YYC to SEA are scheduled on a Tuesday (8 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 on average).

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

What are the cheapest flights from Calgary to Seattle?

The cheapest flight price from Calgary to Seattle is $123. On average you can expect to pay $536. The most popular route, (Calgary - Seattle/Tacoma Intl), can usually be booked for $157.

What are the most reliable airlines from Calgary to Seattle?

The top 3 most reliable airlines when flying from Calgary to Seattle are Delta (80%), WestJet (80%) and Emirates (75%).

What are the most popular airlines that fly from Calgary to Seattle?

When booking a flight from Calgary to Seattle, you may want to consider flying on WestJet, Alaska Airlines or Air Canada as they are the most popular for this route.

Most accurate provider : When it comes to deals on Calgary-Seattle flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Calgary-Seattle flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Calgary-Seattle flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Calgary-Seattle flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Calgary-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 6 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 3 airlines when you book a flight from Calgary to Seattle.

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 vacation 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.

$100+ Flights from Calgary to Seattle

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Find cheap flights from Calgary to Seattle with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 Friday

Cheap 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 December 28, 2025.

Tue 12/304:00 pmYYC - SEA

1 stop5h 46mWestJet

Fri 1/211:55 amSEA - YYC

1 stop9h 08mWestJet

Deal found 12/26

$454

Tue 12/304:00 pmYYC - SEA

1 stop5h 46mWestJet

Sat 1/311:55 amSEA - YYC

1 stop18h 37mWestJet

Deal found 12/27

$458

Mon 12/292:00 pmYYC - SEA

1 stop7h 46mWestJet

Sat 1/311:55 amSEA - YYC

1 stop18h 37mWestJet

Deal found 12/25

$468

Mon 12/292:00 pmYYC - SEA

1 stop7h 46mWestJet

Fri 1/211:55 amSEA - YYC

1 stop9h 08mWestJet

Deal found 12/25

$482

Tue 12/304:00 pmYYC - SEA

1 stop5h 46mMultiple Airlines

Sat 1/38:05 amSEA - YYC

Nonstop1h 36mMultiple Airlines

Deal found 12/27

$490

Wed 12/317:45 amYYC - SEA

1 stop5h 54mWestJet

Thu 1/13:10 pmSEA - YYC

Nonstop1h 40mWestJet

Deal found 12/25

$496

Mon 12/292:00 pmYYC - SEA

1 stop7h 46mMultiple Airlines

Fri 1/28:05 amSEA - YYC

Nonstop1h 36mMultiple Airlines

Deal found 12/25

$501

Mon 12/292:00 pmYYC - SEA

1 stop7h 46mMultiple Airlines

Sat 1/38:05 amSEA - YYC

Nonstop1h 36mMultiple Airlines

Deal found 12/25

$505

Wed 12/317:45 amYYC - SEA

1 stop5h 54mWestJet

Sat 1/311:55 amSEA - YYC

1 stop9h 08mWestJet

Deal found 12/27

$507

Sat 12/271:25 pmYYC - SEA

Nonstop2h 15mWestJet

Sat 1/311:55 amSEA - YYC

1 stop18h 37mWestJet

Deal found 12/26

$512

Tue 12/303:00 pmYYC - SEA

1 stop6h 46mWestJet

Wed 12/315:30 pmSEA - YYC

1 stop6h 11mWestJet

Deal found 12/26

$538

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 December 28, 2025.

Fri 1/237:50 amYYC - SEA

1 stop3h 32mWestJet

Mon 1/2611:55 amSEA - YYC

2 stops6h 20mWestJet

Deal found 12/25

$163

Thu 1/153:30 pmYYC - SEA

1 stop10h 29mUnited Airlines

Tue 1/205:00 amSEA - YYC

1 stop15h 53mUnited Airlines

Deal found 12/27

$194

Thu 1/228:25 amYYC - SEA

2 stops11h 51mAir Canada

Sun 1/253:40 pmSEA - YYC

1 stop4h 19mAir Canada

Deal found 12/27

$195

Mon 2/27:50 amYYC - SEA

1 stop3h 35mWestJet

Sun 2/811:55 amSEA - YYC

2 stops7h 22mWestJet

Deal found 12/27

$164

Tue 2/171:25 pmYYC - SEA

Nonstop1h 54mWestJet

Mon 2/2311:55 amSEA - YYC

2 stops8h 22mWestJet

Deal found 12/27

$165

Sun 3/111:30 pmYYC - SEA

2 stops11h 55mWestJet

Sat 3/711:55 amSEA - YYC

1 stop4h 20mWestJet

Deal found 12/26

$167

Sun 2/111:40 pmYYC - SEA

1 stop11h 45mWestJet

Fri 2/611:55 amSEA - YYC

1 stop4h 18mWestJet

Deal found 12/26

$169

Fri 5/15:35 pmYYC - SEA

1 stop21h 34mWestJet

Mon 5/47:05 amSEA - YYC

Nonstop1h 40mWestJet

Deal found 12/27

$171

Sat 1/1012:00 pmYYC - SEA

1 stop23h 22mWestJet

Mon 1/123:10 pmSEA - YYC

Nonstop1h 40mWestJet

Deal found 12/27

$174

Sat 4/1811:30 pmYYC - SEA

2 stops11h 55mWestJet

Mon 4/273:35 pmSEA - YYC

1 stop5h 45mWestJet

Deal found 12/26

$177

Fri 1/1610:00 pmYYC - SEA

2 stops13h 22mWestJet

Mon 1/1911:55 amSEA - YYC

1 stop4h 20mWestJet

Deal found 12/27

$180

Mon 5/117:30 amYYC - SEA

2 stops7h 39mWestJet

Thu 5/147:05 amSEA - YYC

Nonstop1h 40mWestJet

Deal found 12/26

$191

Last-minute flights from Calgary to Seattle
Discover last-minute flight deals from Calgary to Seattle. Data last updated December 28, 2025 and is based on user searches.

Thu 1/16:00 amYYC - SEA

1 stop4h 30mAir Canada

Tue 1/133:40 pmSEA - YYC

1 stop6h 04mAir Canada

Deal found 12/27

$440

Thu 1/17:45 amYYC - SEA

1 stop5h 54mWestJet

Tue 1/133:10 pmSEA - YYC

Nonstop1h 40mWestJet

Deal found 12/27

$524

Thu 1/16:00 amYYC - SEA

1 stop4h 30mAir Canada

Sun 1/43:40 pmSEA - YYC

1 stop6h 04mAir Canada

Deal found 12/26

$532

Thu 1/16:00 amYYC - SEA

1 stop4h 30mAir Canada

Thu 1/83:40 pmSEA - YYC

1 stop4h 19mAir Canada

Deal found 12/25

$538

Thu 1/16:30 amYYC - SEA

3 stops31h 00mMultiple Airlines

Thu 1/83:10 pmSEA - YYC

Nonstop1h 40mMultiple Airlines

Deal found 12/25

$556

Thu 1/17:15 amYYC - SEA

2 stops27h 56mMultiple Airlines

Tue 1/1311:05 pmSEA - YYC

1 stop11h 15mMultiple Airlines

Deal found 12/27

$568

Fri 1/27:35 pmYYC - SEA

2 stops43h 19mMultiple Airlines

Fri 1/911:55 amSEA - YYC

1 stop5h 25mMultiple Airlines

Deal found 12/26

$477

Fri 1/22:00 pmYYC - SEA

1 stop21h 22mWestJet

Tue 1/63:10 pmSEA - YYC

Nonstop1h 40mWestJet

Deal found 12/27

$526

Sat 1/37:55 amYYC - SEA

2 stops30h 59mMultiple Airlines

Mon 1/58:05 amSEA - YYC

Nonstop1h 36mMultiple Airlines

Deal found 12/26

$618

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 December 28, 2025.

Sat 1/177:50 amYYC - SEA

1 stop3h 32mWestJet

Deal found 12/27

$100

Tue 2/107:00 pmYYC - SEA

Nonstop1h 52mAlaska Airlines

Deal found 12/27

$108

Sun 2/155:00 pmYYC - SEA

1 stop18h 25mWestJet

Deal found 12/27

$112

Sun 1/116:00 amYYC - SEA

1 stop4h 31mAir Canada

Deal found 12/27

$113

Tue 3/33:30 pmYYC - SEA

1 stop9h 00mUnited Airlines

Deal found 12/27

$124

Mon 2/168:45 pmYYC - SEA

2 stops13h 30mAir Canada

Deal found 12/26

$130

Fri 1/161:25 pmYYC - SEA

Nonstop1h 55mWestJet

Deal found 12/27

$131

Sun 2/156:25 amYYC - SEA

1 stop9h 06mAir Canada

Deal found 12/27

$133

Find flight deals from Calgary to Seattle

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$163 (oojo)
One-way from	$100 (oojo)
Popular in	December
Cheapest in	November
Average price	$372
Good round-trip deal	$363 or less
Good one-way deal	$188 or less

Provider with most accurate pricing for Calgary-Seattle/Tacoma Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for Calgary-Seattle/Tacoma Intl flights.

Search Deals

From Calgary to Seattle/Tacoma Intl

Search Deals

One-way flight from Calgary to Seattle/Tacoma Intl

Search Deals

Highest demand for flights based on searches. 10% potential increase in price ($28 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease ($13 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Price to beat on a round-trip flight from Calgary to Seattle/Tacoma Intl.

Search Deals

Price to beat on a one-way flight from Calgary to Seattle/Tacoma Intl.

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Fri 1/23

7:50 am-10:22 am

1 stop3h 32m

Seattle/Tacoma Intl

Mon 1/26

11:55 am-7:15 pm

2 stops6h 20m

$163

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Mon 2/2

7:50 am-10:25 am

1 stop3h 35m

Seattle/Tacoma Intl

Sun 2/8

11:55 am-8:17 pm

2 stops7h 22m

$164

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Tue 2/17

1:25 pm-2:19 pm

Nonstop1h 54m

Seattle/Tacoma Intl

Mon 2/23

11:55 am-9:17 pm

2 stops8h 22m

$165

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Sun 3/1

11:30 pm-10:25 am

2 stops11h 55m

Seattle/Tacoma Intl

Sat 3/7

11:55 am-5:15 pm

1 stop4h 20m

$167

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Sun 2/1

11:40 pm-10:25 am

1 stop11h 45m

Seattle/Tacoma Intl

Fri 2/6

11:55 am-5:13 pm

1 stop4h 18m

$169

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Fri 5/1

5:35 pm-2:09 pm

1 stop21h 34m

Seattle/Tacoma Intl

Mon 5/4

7:05 am-9:45 am

Nonstop1h 40m

$171

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Sat 1/10

12:00 pm-10:22 am

1 stop23h 22m

Seattle/Tacoma Intl

Mon 1/12

3:10 pm-5:50 pm

Nonstop1h 40m

$174

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Sat 4/18

11:30 pm-10:25 am

2 stops11h 55m

Seattle/Tacoma Intl

Mon 4/27

3:35 pm-10:20 pm

1 stop5h 45m

$177

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Fri 1/16

10:00 pm-10:22 am

2 stops13h 22m

Seattle/Tacoma Intl

Mon 1/19

11:55 am-5:15 pm

1 stop4h 20m

$180

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Mon 5/11

7:30 am-2:09 pm

2 stops7h 39m

Seattle/Tacoma Intl

Thu 5/14

7:05 am-9:45 am

Nonstop1h 40m

$191

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/26

Showing 1-10 of 20 results

Compare providers for flights from Calgary to Seattle

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Calgary to Seattle in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Kiwi.com	Price Accuracy3 stars	Trust Score*3 stars
Cheapflightsfares	Price Accuracy3 stars	Trust Score*2 stars
Trip.com	Price Accuracy2 stars	Trust Score*3 stars
oojo	Price Accuracy3 stars	Trust Score*3 stars
CheapTicketsDeal	Price Accuracy3 stars	Trust Score*3 stars
Priceline	Price Accuracy1 star	Trust Score*3 stars
SmartFares	Price Accuracy1 star	Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Calgary-Seattle flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Calgary-Seattle flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Calgary-Seattle flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Calgary-Seattle flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Calgary-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

How far ahead should I book a flight from Calgary to Seattle?

The price you pay for your flight from Calgary to Seattle may vary depending on when you book. For the best chance of a lower fare, look to book 56 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 $107). Flying from Calgary to Seattle in December is currently the most expensive (average of $165). 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?

When flying from Calgary to Seattle, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 81% versus a flight at noon.

What is the cheapest day to fly from Calgary to Seattle?

Travelers seeking maximum savings on their Calgary to Seattle flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

The best insider tips for Calgary to Seattle flights

Cheapflights partnered with top experts to bring you the best recommendations for your Calgary to Seattle trip

Airports

YYC

For a quick transit at YYC, use the LINK shuttle between terminals. It's fast, free, and wheelchair accessible.

SEA

Use the Link light rail from SEA to downtown Seattle. It's affordable, runs every 10 minutes, and takes less than 40 minutes.

Our travel experts

Jenna Scatena

Expert on YYC

Brandon Schultz

Expert on SEA

Reviews of airlines servicing Seattle

Read reviews from past customers who have flown Alaska Airlines, WestJet, and Air Canada from Calgary to Seattle. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

11,551 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Alaska Airlines

8.0

Very good

11,551 reviews

Alaska Airlines

8.0

Very good

11,551 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

WestJet

7.2

Good

3,222 reviews

Alaska Airlines

8.0

Very good

11,551 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Air Canada

7.1

Good

10,562 reviews

Alaska Airlines

8.0

Very good

11,551 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Related info for your journey

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 6 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 3 airlines 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 60 times in the past calendar month.
How long is the flight from Calgary to Seattle?
A quick flight from Calgary to Seattle can take about 3h 32m. WestJet provides one of the quickest options available for as low as $163. The distance from Calgary to Seattle is about 451 mi.
What are the cheapest airlines flying from Calgary to Seattle round-trip?
According to our current data, Air Canada ($56), WestJet ($130), and Alaska Airlines ($186) offers the cheapest pricing from Calgary to Seattle. Air Canada is priced at 75% lower than the current average price of a flight leaving 3 months from now.
What are the cheapest airlines to fly from Calgary to Seattle one-way?
$92 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Air Canada and Alaska Airlines, with prices starting from $101 and $119, respectively.
What are the most reliable airlines from Calgary to Seattle?
The top 3 most reliable airlines when flying from Calgary to Seattle are Delta (80%), WestJet (80%) and Emirates (75%).
What are the cheapest flights from Calgary to Seattle?
The cheapest flight price from Calgary to Seattle is $123. On average you can expect to pay $536. The most popular route, (Calgary - Seattle/Tacoma Intl), can usually be booked for $157.
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 vacation 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 $107). Flying from Calgary to Seattle in December is currently the most expensive (average of $165). 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

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Alternative routes for Calgary to Seattle

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Other flights to Seattle

Top 3 airlines flying from Calgary to Seattle

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	Cheapest$77	Average$243	FlexibilityNo cancel fee	On-time67%
WestJet	Cheapest$131	Average$228	FlexibilityNo cancel fee	On-time60%
Alaska Airlines	Cheapest$186	Average$342	FlexibilityNo cancel fee	On-time75%

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$100+ Cheap flights from Calgary (YYC) to Seattle (SEA)

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 1/17. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Calgary to Seattle with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 Friday

Cheap flight deals from Calgary to Seattle

Cheapest flights from Calgary to SeattleExplore 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 December 28, 2025.

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 December 28, 2025.

Find flight deals from Calgary to Seattle

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Cheapflights Fare Finder

Use the filters below to find and compare flights from Calgary to Seattle that are best for you.

Compare providers for flights from Calgary to Seattle

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Calgary to Seattle in December.

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.

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?

What is the cheapest month to book a flight from Calgary to Seattle?

What is the cheapest time of day to fly from YYC to SEA?

What is the cheapest day to fly from Calgary to Seattle?

Weekly flight availability from Calgary to Seattle

How often are flights from Calgary to Seattle delayed?

What is the most punctual flight time for Calgary to Seattle flights?

What day of the week experiences the fewest flight delays on this route?

Which airline has the best punctuality record on Calgary to Seattle flights?

The best insider tips for Calgary to Seattle flights

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Airports

YYC

SEA

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Reviews of airlines servicing Seattle

Read reviews from past customers who have flown Alaska Airlines, WestJet, and Air Canada from Calgary to Seattle. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

How popular is this Calgary to Seattle flight route?

How long is the flight from Calgary to Seattle?

What are the cheapest airlines flying from Calgary to Seattle round-trip?

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

What are the most reliable airlines from Calgary to Seattle?

What are the cheapest flights from Calgary to Seattle?

Can I find deals for flights from Calgary to Seattle that include hotel bookings?

How can I find direct flights from Calgary to Seattle?

Can I find deals for business class flights from Calgary to Seattle?

What is the cheapest month to book a flight from Calgary to Seattle?

Traveling to a place near Seattle?

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Alternative routes for Calgary to Seattle

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Top 3 airlines flying from Calgary to Seattle

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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 December 28, 2025.