Seattle to Calgary SEA → YYC
Seattle-Tacoma International Airport (SEA) → Calgary International Airport (YYC)
The cheapest return found recently is $467 with Alaska Airlines, 5 Nov – 8 Nov, found 2 days ago. The cheapest one-way found recently is $97 with Alaska Airlines, 27 Oct, found 3 days ago.
Return
Not enough comparable prices yet for a usual return price.
Cheapest return found recently
$467
5 Nov – 8 Nov · Alaska Airlines
Seattle-Tacoma International Airport (SEA) → Calgary International Airport (YYC)
Leaves 5:58 p.m. · Return leaves 9:09 a.m. · 3 h 38 min of travel, both ways together
out nonstop, back nonstop
found 2 days ago
Cheapest nonstop return
$467
5 Nov – 8 Nov · Alaska Airlines
Seattle-Tacoma International Airport (SEA) → Calgary International Airport (YYC)
Leaves 5:58 p.m. · Return leaves 9:09 a.m. · 3 h 38 min of travel, both ways together
out nonstop, back nonstop
found 2 days ago
Found recently, and the cheapest we hold
$467 5 Nov – 8 Novfound 2 days agoSee prices for these dates
$321 23 Oct – 26 Octfound 5 days agoSee prices for these dates
What have prices looked like?
Over 16 days, 24 Sept to 18 Oct, the cheapest return we saw each day was $217 to $325.
At $467, the cheapest return found recently is above that range.
16 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good return price?
Not enough comparable prices yet: we hold return fares on 2 departure dates and need at least 3 to say what is usual.
Could nearby dates be cheaper?
We hold no other 3-night return fares leaving within 3 days of 5 Nov to compare.
Every date we hold
2 fares on 2 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 23 Oct – 26 Oct | $321 | Alaska Airlines | Seattle-Tacoma International Airport (SEA) → Calgary International Airport (YYC) | out nonstop, back nonstop | found 5 days ago | See prices for these dates |
| 5 Nov – 8 Nov | $467 | Alaska Airlines | Seattle-Tacoma International Airport (SEA) → Calgary International Airport (YYC) | out nonstop, back nonstop | found 2 days ago | See prices for these dates |
Which month looks cheapest?
October 2026 is the cheapest month — from $321.
Airlines on the cheapest dates: Alaska Airlines.
One-way
The cheapest one-way fare on each of 4 departure dates is usually $101 to $106.
Cheapest one-way found recently
$97
27 Oct · Alaska Airlines
Seattle-Tacoma International Airport (SEA) → Calgary International Airport (YYC)
Leaves 8:02 a.m. · 1 h 41 min trip
nonstop
found 3 days ago
Cheapest nonstop one-way
$97
27 Oct · Alaska Airlines
Seattle-Tacoma International Airport (SEA) → Calgary International Airport (YYC)
Leaves 8:02 a.m. · 1 h 41 min trip
nonstop
found 3 days ago
Found recently, and the cheapest we hold
$97 27 Octfound 3 days agoOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 22 days, 24 Sept to 18 Oct, the cheapest one-way we saw each day was $69 to $178.
22 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good one-way price?
Compared with the cheapest one-way fare on each of 4 departure dates from 24 Oct to 12 Nov, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
No. We hold one-way fares on 2 other departure dates within 3 days of 27 Oct, and none is cheaper.
Every date we hold
4 fares on 4 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 24 Oct | $118 | Alaska Airlines | Seattle-Tacoma International Airport (SEA) → Calgary International Airport (YYC) | nonstop | found 5 days ago | Open this trip |
| 27 Oct | $97 | Alaska Airlines | Seattle-Tacoma International Airport (SEA) → Calgary International Airport (YYC) | nonstop | found 3 days ago | Open this trip |
| 30 Oct | $102 | Alaska Airlines | Seattle-Tacoma International Airport (SEA) → Calgary International Airport (YYC) | nonstop | found 4 days ago | Open this trip |
| 12 Nov | $102 | American Airlines | Seattle-Tacoma International Airport (SEA) → Calgary International Airport (YYC) | nonstop | found 6 days ago | Open this trip |
Which month looks cheapest?
October 2026 is the cheapest month — from $97.
Airlines on the cheapest dates: Alaska Airlines, American Airlines.
Premium cabin fares from Seattle to Calgary
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 5 Nov – 8 Nov in another cabin: Premium economy · Business · First
Today's prices for 27 Oct in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Seattle to Calgary?
Return
Fares 90 to 179 days before departure were typically 77% lower than 0 to 6 days before departure.
From the cheapest return each day between 24 Sept and 18 Oct (16 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 0–6 days | $1,336 | $321 | +327% | 7 |
| 7–13 days | $321 | $217 | +3% | 7 |
| 30–59 days | $390 | $390 | +25% | 7 |
| 90–179 days | $313 | $313 | Cheapest seen | 7 |
One-way
The cheapest fares were 7 to 13 days before departure.
From the cheapest one-way each day between 24 Sept and 18 Oct (22 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 0–6 days | $102 | $69 | +5% | 11 |
| 7–13 days | $97 | $69 | Cheapest seen | 11 |
| 90–179 days | $162 | $162 | +67% | 8 |
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
Victoria → Calgary
119 km from Seattle
C$283 (US$200)
C$378 (US$267) less than flying from Seattle
17 Nov – 17 Nov · YYJ → YYC · out 2 stops, back 1 stop
found 2 days ago
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
Live price for these dates
The cheapest return found recently is for 5 Nov – 8 Nov. A live search on this page shows what those dates cost now, for one adult in economy.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work