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Cheap flights from Alberta to Seattle from $152

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Alberta to Seattle departing on 9/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Alberta to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
WestJet Logo
5:50 pm - 6:45 pm
YYC
-
SEA
1h 55mnonstop
WestJet Logo
7:35 pm - 10:15 pm
SEA
-
YYC
1h 40mnonstop
$259WestJet
Tue, Sep 8 - Thu, Sep 10
Multiple Airlines Logo
8:45 am - 9:40 am
YYC
-
SEA
1h 55mnonstop
Multiple Airlines Logo
8:10 pm - 10:46 pm
SEA
-
YYC
1h 36mnonstop
$265Multiple Airlines
Mon, Sep 21 - Tue, Sep 29
Multiple Airlines Logo
8:45 am - 9:40 am
YYC
-
SEA
1h 55mnonstop
Multiple Airlines Logo
8:10 pm - 10:46 pm
SEA
-
YYC
1h 36mnonstop
$266Multiple Airlines
Mon, Sep 21 - Tue, Sep 29
WestJet Logo
8:45 am - 9:40 am
YYC
-
SEA
1h 55mnonstop
WestJet Logo
7:35 pm - 10:15 pm
SEA
-
YYC
1h 40mnonstop
$268WestJet
Thu, Sep 10 - Thu, Sep 10
WestJet Logo
7:55 pm - 9:00 pm
YYC
-
SEA
2h 05mnonstop
WestJet Logo
10:30 am - 1:10 pm
SEA
-
YYC
1h 40mnonstop
$269WestJet
Sat, Sep 5 - Sun, Sep 6
WestJet Logo
8:45 am - 9:40 am
YYC
-
SEA
1h 55mnonstop
WestJet Logo
7:35 pm - 10:15 pm
SEA
-
YYC
1h 40mnonstop
$270WestJet
Sat, Sep 12 - Sat, Sep 19
WestJet Logo
5:50 pm - 6:45 pm
YYC
-
SEA
1h 55mnonstop
WestJet Logo
7:35 pm - 10:15 pm
SEA
-
YYC
1h 40mnonstop
$271WestJet
Thu, Sep 10 - Tue, Sep 15
WestJet Logo
5:50 pm - 6:45 pm
YYC
-
SEA
1h 55mnonstop
WestJet Logo
7:35 pm - 10:15 pm
SEA
-
YYC
1h 40mnonstop
$273WestJet
Tue, Sep 22 - Thu, Oct 15
WestJet Logo
5:50 pm - 6:45 pm
YYC
-
SEA
1h 55mnonstop
WestJet Logo
7:35 pm - 10:15 pm
SEA
-
YYC
1h 40mnonstop
$279WestJet
Thu, Sep 10 - Mon, Sep 14
WestJet Logo
5:50 pm - 6:45 pm
YYC
-
SEA
1h 55mnonstop
WestJet Logo
7:35 pm - 10:15 pm
SEA
-
YYC
1h 40mnonstop
$281WestJet
Wed, Sep 9 - Sun, Sep 13

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Air Canada flights from Alberta to Seattle

Our best Air Canada deals on Alberta to Seattle flight tickets
Air Canada
Nov 16
YYC12:35 pmCalgary
10h 22m
2 stops
SEA9:57 pmSeattle/Tacoma Intl
Nov 18
SEA3:15 pmSeattle/Tacoma Intl
6h 29m
1 stop
YYC10:44 pmCalgary
$254
Air Canada
Nov 16
YYC6:00 amCalgary
4h 17m
1 stop
SEA9:17 amSeattle/Tacoma Intl
Nov 18
SEA7:05 pmSeattle/Tacoma Intl
3h 44m
1 stop
YYC11:49 pmCalgary
$261
Air Canada
Jul 9
YYC3:05 pmCalgary
4h 27m
1 stop
SEA6:32 pmSeattle/Tacoma Intl
Jul 12
SEA5:45 amSeattle/Tacoma Intl
6h 25m
1 stop
YYC1:10 pmCalgary
$285

WestJet flights from Alberta to Seattle

Our best WestJet deals on Alberta to Seattle flight tickets
WestJet
Sep 8
YYC5:50 pmCalgary
1h 55m
SEA6:45 pmSeattle/Tacoma Intl
Sep 10
SEA7:35 pmSeattle/Tacoma Intl
1h 40m
YYC10:15 pmCalgary
$259
WestJet
Sep 26
YYC5:50 pmCalgary
1h 55m
SEA6:45 pmSeattle/Tacoma Intl
Oct 1
SEA10:30 amSeattle/Tacoma Intl
1h 40m
YYC1:10 pmCalgary
$264
WestJet
Sep 10
YYC8:45 amCalgary
1h 55m
SEA9:40 amSeattle/Tacoma Intl
Sep 10
SEA7:35 pmSeattle/Tacoma Intl
1h 40m
YYC10:15 pmCalgary
$268

momondo Fare Finder

 
Customize your flight search to find flights from Alberta 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, momondo users made 832,500 searches. Data last updated June 25, 2026.
Use the filters below to find and compare flights from Alberta to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Tue 9/8

5:50 pm-6:45 pm

Nonstop1h 55m

Seattle/Tacoma Intl

Thu 9/10

7:35 pm-10:15 pm

Nonstop1h 40m

$259
Quickest round-trip

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Mon 9/21

8:45 am-9:40 am

Nonstop1h 55m

Seattle/Tacoma Intl

Tue 9/29

8:10 pm-10:46 pm

Nonstop1h 36m

$265

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Mon 9/21

8:45 am-9:40 am

Nonstop1h 55m

Seattle/Tacoma Intl

Tue 9/29

8:10 pm-10:46 pm

Nonstop1h 36m

$266

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Thu 9/10

8:45 am-9:40 am

Nonstop1h 55m

Seattle/Tacoma Intl

Thu 9/10

7:35 pm-10:15 pm

Nonstop1h 40m

$268

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Sat 9/5

7:55 pm-9:00 pm

Nonstop2h 05m

Seattle/Tacoma Intl

Sun 9/6

10:30 am-1:10 pm

Nonstop1h 40m

$269

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Sat 9/12

8:45 am-9:40 am

Nonstop1h 55m

Seattle/Tacoma Intl

Sat 9/19

7:35 pm-10:15 pm

Nonstop1h 40m

$270

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Thu 9/10

5:50 pm-6:45 pm

Nonstop1h 55m

Seattle/Tacoma Intl

Tue 9/15

7:35 pm-10:15 pm

Nonstop1h 40m

$271

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Tue 9/22

5:50 pm-6:45 pm

Nonstop1h 55m

Seattle/Tacoma Intl

Thu 10/15

7:35 pm-10:15 pm

Nonstop1h 40m

$273

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Thu 9/10

5:50 pm-6:45 pm

Nonstop1h 55m

Seattle/Tacoma Intl

Mon 9/14

7:35 pm-10:15 pm

Nonstop1h 40m

$279

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Wed 9/9

5:50 pm-6:45 pm

Nonstop1h 55m

Seattle/Tacoma Intl

Sun 9/13

7:35 pm-10:15 pm

Nonstop1h 40m

$281

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Seattle from

How to get the cheapest flight ticket from Alberta 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, October is the cheapest month to fly from Alberta to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $52. If you don’t want to visit Seattle in October, then you should wait until September to fly from Alberta, when ticket prices are also cheap, with an average price of $63.

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Alberta is on a Friday. momondo users have found tickets for Friday departures for as low as $397. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Alberta because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,776.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from Alberta in the evening is the least expensive time of day to depart. momondo users have found prices as low as $308 when looking at flights departing in the evening. Flights to Seattle are more costly at noon, with an average ticket price of $1,330. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Alberta to Seattle/Tacoma Intl flight route?

Fly from Calgary to Seattle/Tacoma Intl for the best Alberta - Seattle/Tacoma Intl flight prices

How far in advance should I book a flight from Alberta to Seattle?

You are more likely to see cheaper flights to Seattle from Alberta when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $259 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Alberta for as low as $199 on momondo.

What cabin class options are available on Alberta to Seattle flights?

There are 4 cabin classes available to choose from on Alberta to Seattle flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Alberta to Seattle flights?

You could potentially save up to 35% on your flight if you consider stops on a Alberta to Seattle flight.

Cheap Alberta to Seattle flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Alberta to Seattle

Best Price Found

$214

Fastest flight time

0h 55m

Direct flights

Every day

Airports in Seattle

1 airport
The best one-way flight to Seattle from Alberta in the past 72 hours is $214. The best round-trip flight deal from Alberta to Seattle found on momondo in the last 72 hours is $398.
The fastest flight from Alberta to Seattle takes 0h 55m
Direct flights go from Alberta to Seattle every day.
There is 1 airport in Seattle. From Alberta there are direct flights to Seattle/Tacoma Intl (SEA).
Search flight deals

Frequently asked questions about flying from Alberta to Seattle

  • When did momondo last update prices for flights from Alberta to Seattle/Tacoma Intl Airport?

    Prices for flights from Alberta to Seattle/Tacoma Intl Airport were last updated today.

  • How many operators does momondo search for flights from Alberta to Seattle/Tacoma Intl Airport?

  • How old do you have to be to fly from Alberta to Seattle/Tacoma Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Alberta to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The necessary travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Alberta to Seattle?

Best airlines flying from Alberta to Seattle

Compare and see reviews for airlines that fly from Alberta to Seattle with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $56Free CancellationRating
7.1
11,254 reviews
Search Air Canada flights
WestJetPriceFrom $144Free CancellationRating
7.2
3,384 reviews
Search WestJet flights
Alaska AirlinesPriceFrom $146Free CancellationRating
7.9
12,573 reviews
Search Alaska Airlines flights
DeltaPriceFrom $343Free CancellationRating
7.8
8,436 reviews
Search Delta flights

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Leavenworth
SeaTac
Ocean Shores
Renton
Olympia
Lynnwood
Redmond
Kent
Lakewood
Puyallup
Tukwila
Federal Way
Fife
Cle Elum
Marysville
Centralia
Kirkland
Shoreline
Westport

Why use momondo?

Why should I use momondo to find a flight deal from Alberta to Seattle?

It is quick and easy to find Alberta to Seattle flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Seattle that suits you.

Can I find flights from Alberta to Seattle with flexible booking policies on momondo?

Flights from Alberta to Seattle with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Alberta to Seattle?

Once you have performed a search for Alberta to Seattle flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Alberta to Seattle right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Alberta to Seattle now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Seattle and let you know when they change.

An easier way to manage your Seattle trip

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