Cheap flights from Calgary to Seattle from $84
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Calgary to Seattle departing on 6/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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United Airlines flights from Calgary to Seattle
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WestJet flights from Calgary to Seattle
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How to get the cheapest flight ticket from Calgary to Seattle
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Seattle?
In general, August is the cheapest month to fly from Calgary to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $164. If you don’t want to visit Seattle in August, then you should wait until September to fly from Calgary, when ticket prices are also cheap, with an average price of $182.
What is the cheapest day to depart on your flight to Seattle?
On average, the least expensive day to fly to Seattle from Calgary is on a Sunday. momondo users have found tickets for Sunday departures for as low as $267. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Monday is the most expensive day to depart from Calgary because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $728.
What is the cheapest time of day to depart on your flight to Seattle?
Flying to Seattle from Calgary in the evening is the least expensive time of day to depart. momondo users have found prices as low as $228 when looking at flights departing in the evening. Flights to Seattle are more costly in the morning, with an average ticket price of $634. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.
What is the cheapest Calgary to Seattle/Tacoma Intl flight route?
Fly from Calgary to Seattle/Tacoma Intl for the best Calgary - Seattle/Tacoma Intl flight prices
How far in advance should I book a flight to Seattle?
You are more likely to see cheaper flights to Seattle from Calgary when booking 19 weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $220 when searching 19 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Calgary for as low as $177 on momondo.
What cabin class options are available on Calgary to Seattle/Tacoma Intl flights?
There are 4 cabin classes available to choose from on Calgary to Seattle/Tacoma Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Calgary to Seattle/Tacoma Intl?
WestJet, Air Canada, and Alaska Airlines are the most popular carriers operating from Calgary to Seattle/Tacoma Intl
What airlines fly to Seattle?
WestJet, Alaska Airlines and Air Canada are the top three most popular airlines that fly to Seattle from Calgary according to our data. WestJet is the first choice among our users, with 76% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 4 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.
How many flights depart from Calgary to Seattle on average per day?
As of April 2025, there are 4 flights per day flying from Calgary to Seattle. The most common time of day flights depart is 6:00PM, with 53% of flights taking off in the evening.
How many flights depart from Calgary to Seattle on average per week?
As of April 2025, there are 33 flights per week flying from Calgary to Seattle. The most common day of the week flights depart is Mon, with 18% of flights taking off on this day.
When to book flights from Calgary to Seattle
Cheap Calgary to Seattle (YYC to SEA) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Calgary to Seattle
How far is Calgary to Seattle/Tacoma Intl by plane?
A flight from Calgary to Seattle/Tacoma Intl will travel around 440.9 mi. In terms of flight time, this usually takes a little over 1h 46m.
When did momondo last update prices for flights from Calgary Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Calgary Airport to Seattle/Tacoma Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Calgary Airport to Seattle/Tacoma Intl Airport?
The number of operators available for flights from Calgary Airport to Seattle/Tacoma Intl Airport is 4 as of April 2025.
How old do you have to be to fly from Calgary Airport to Seattle/Tacoma Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Calgary Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Calgary to Seattle?
momondo data reveals that the most frequently booked plane model on the route from Calgary to Seattle is Boeing 737 MAX 8, representing 33.82% of all bookings. The subsequent popular models are Boeing 737-700 Passenger/BBJ1 (winglets) at 17.95%, Boeing 737-800 Passenger/BBJ2 (winglets) at 12.21%, and Embraer 170 at 9.89%.
What is the most popular airline from Calgary to Seattle?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Calgary to Seattle is WestJet (76% of total bookings). The next most popular airlines are Alaska Airlines (11%), Air Canada (9%), and Delta (4%).
Best airlines flying from Calgary to Seattle
Compare and see reviews for airlines that fly from Calgary to Seattle with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $100 | Free Cancellation | Rating 8.0 7,916 reviews | |||
| PriceFrom $110 | Free Cancellation | Rating 7.2 2,809 reviews | |||
| PriceFrom $128 | Free Cancellation | Rating 7.0 9,139 reviews | |||
| PriceFrom $140 | Free Cancellation | Rating 8.0 9,887 reviews |
Delta Flights From Calgary to Seattle
Delta is one of the most popular airlines flying from Calgary to Seattle, operating 5 flights/week on average for this route. A good Delta flight deal for Calgary to Seattle starts from $100 round-trip, up to an average price of $234. Our users have rated Delta at 8.0/10.
Alaska Airlines Flights From Calgary to Seattle
Alaska Airlines is also a popular choice for this route. Alaska Airlines flight deals for Calgary to Seattle start from as low as $140 round-trip, depending on your selected dates, with average Alaska Airlines deals seen on momondo around $311. Alaska Airlines operates 6 flights to Seattle from Calgary in an average week. Users have rated it 8.0/10 across 9,887 reviews.
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Calgary to Seattle?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Calgary to Seattle. momondo saves you time and could save you money on your trip.
Can I find flights from Calgary to Seattle with flexible booking policies on momondo?
momondo does allow users to show only those flights to Seattle from Calgary which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Calgary to Seattle?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Seattle from Calgary.
I’m not ready to book a flight from Calgary to Seattle right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Seattle from Calgary. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.