Cheap flights from Denver to Seattle from $0
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Discover deals on Denver to Seattle flights
Typical range $0–$0•Cheapest found $0
Checking latest prices...Find cheap flights from Denver to Seattle
Best
8 Feb
DEP
09:10
DEN
11:19
SEA
3h 9m
8 Feb
DEPARTURE
09:10 - 11:19
3h 9m
DEN
SEA
8 Feb
DEP
07:00
DEN
09:11
SEA
3h 11m
8 Feb
DEPARTURE
07:00 - 09:11
3h 11m
DEN
SEA
Alaska Airlines flights from Denver to Seattle
Our best Alaska Airlines deals on Denver to Seattle tickets
Best
8 Feb
DEP
07:00
DEN
09:11
SEA
3h 11m
8 Feb
DEPARTURE
07:00 - 09:11
3h 11m
DEN
SEA
8 Feb
DEP
13:34
DEN
15:43
SEA
3h 9m
8 Feb
DEPARTURE
13:34 - 15:43
3h 9m
DEN
SEA
Hawaiian Airlines flights from Denver to Seattle
Our best Hawaiian Airlines deals on Denver to Seattle tickets
Best
8 Feb
DEP
17:09
DEN
19:15
SEA
3h 6m
8 Feb
DEPARTURE
17:09 - 19:15
3h 6m
DEN
SEA
8 Feb
DEP
13:34
DEN
15:43
SEA
3h 9m
8 Feb
DEPARTURE
13:34 - 15:43
3h 9m
DEN
SEA
Frontier Airlines flights from Denver to Seattle
Our best Frontier Airlines deals on Denver to Seattle tickets
Best
8 Feb
DEP
09:10
DEN
11:19
SEA
3h 9m
8 Feb
DEPARTURE
09:10 - 11:19
3h 9m
DEN
SEA
8 Feb
DEP
09:10
DEN
11:19
SEA
3h 9m
8 Feb
DEPARTURE
09:10 - 11:19
3h 9m
DEN
SEA
What's the cheapest day of the week to fly from Denver to Seattle?
If your flying dates are flexible, you should consider flying to Seattle on a Thu, as we generally find the cheapest rates on that day. On the other hand, Sat is the most expensive day to fly.
What is the cheapest month to fly from Denver to Seattle?
The cheapest month for flights from Denver to Seattle is Oct, where tickets cost $151 on average. The most expensive months are Dec.
JanFebMarAprMayJunJulAugSepOctNovDec
$219$185$151
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Everything you should know
Cheapest one-way flight
$159
Typical prices: $159–$318
When to book
3 weeks
in advance to save around 25%
Good to know
💰
Save money
Compare prices across airlines to find the best deal. Prices can vary significantly.
📅
Be flexible
Flying midweek or in off-peak seasons can save you up to 30% on airfare.
⏰
Book early
Booking 3+ weeks in advance typically offers the best prices.
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Frequently asked questions
The cheapest flight from Denver to Seattle currently costs AUD $159. Prices typically range from $159 to $159. Prices change frequently, so we recommend booking early and being flexible with your travel dates.