Find Deals on International Flights to Seattle

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
The price shown for each flight will be the average for all passengers including any infants.
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Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from worldwide to Seattle

(Round-trip)
Depart: Tue Oct 31 2017 Return: Wed Nov 8 2017 Trip spans 9 days
Major Airline
Major Airline
DEN
SEA
3h 02m
nonstop
SEA
DEN
2h 40m
nonstop
Depart: Wed Nov 1 2017 Return: Tue Nov 7 2017 Trip spans 7 days
Frontier
Frontier
DEN
SEA
3h 07m
nonstop
SEA
DEN
2h 40m
nonstop
Depart: Wed Nov 1 2017 Return: Wed Nov 8 2017 Trip spans 8 days
Spirit Airlines
Spirit Airlines
LAX
SEA
2h 50m
nonstop
SEA
LAX
2h 43m
nonstop
Depart: Tue Oct 31 2017 Return: Tue Nov 7 2017 Trip spans 8 days
Multiple Airlines
Multiple Airlines
DEN
SEA
3h 02m
nonstop
SEA
DEN
2h 38m
nonstop
Depart: Tue Jan 9 2018 Return: Wed Jan 17 2018 Trip spans 9 days
United
United
DEN
SEA
3h 04m
nonstop
SEA
DEN
2h 39m
nonstop
Depart: Sat Jan 13 2018 Return: Sat Jan 20 2018 Trip spans 8 days
Virgin America
Virgin America
SFO
SEA
2h 02m
nonstop
SEA
SFO
2h 07m
nonstop
Depart: Sat Jan 13 2018 Return: Sat Jan 20 2018 Trip spans 8 days
Alaska Airlines
Alaska Airlines
SJC
SEA
2h 09m
nonstop
SEA
SJC
2h 15m
nonstop
Depart: Thu Nov 2 2017 Return: Tue Nov 7 2017 Trip spans 6 days
Delta
Delta
SNA
SEA
3h 04m
nonstop
SEA
SNA
3h 01m
nonstop
Depart: Tue Nov 7 2017 Return: Wed Nov 15 2017 Trip spans 9 days
Frontier
Frontier
DEN
SEA
3h 02m
nonstop
SEA
DEN
2h 40m
nonstop
Depart: Tue Oct 31 2017 Return: Wed Nov 1 2017 Trip spans 2 days
Spirit Airlines
Spirit Airlines
LAX
SEA
8h 16m
1 stop
SEA
LAX
2h 43m
nonstop
Depart: Wed Nov 8 2017 Return: Wed Nov 15 2017 Trip spans 8 days
Frontier
Frontier
DEN
SEA
3h 04m
nonstop
SEA
DEN
2h 40m
nonstop
Depart: Wed Nov 1 2017 Return: Wed Nov 8 2017 Trip spans 8 days
Multiple Airlines
Multiple Airlines
DEN
SEA
3h 04m
nonstop
SEA
DEN
2h 39m
nonstop
Depart: Wed Jan 17 2018 Return: Sat Jan 27 2018 Trip spans 11 days
Virgin America
Virgin America
SFO
SEA
2h 08m
nonstop
SEA
SFO
2h 07m
nonstop
Depart: Sat Feb 3 2018 Return: Wed Feb 7 2018 Trip spans 5 days
Alaska Airlines
Alaska Airlines
SJC
SEA
2h 13m
nonstop
SEA
SJC
2h 10m
nonstop
Depart: Tue Nov 14 2017 Return: Wed Nov 15 2017 Trip spans 2 days
Frontier
Frontier
DEN
SEA
3h 02m
nonstop
SEA
DEN
2h 40m
nonstop
Depart: Wed Oct 25 2017 Return: Tue Oct 31 2017 Trip spans 7 days
Spirit Airlines
Spirit Airlines
LAX
SEA
2h 50m
nonstop
SEA
LAX
2h 43m
nonstop
Depart: Tue Nov 7 2017 Return: Tue Nov 14 2017 Trip spans 8 days
Multiple Airlines
Multiple Airlines
DEN
SEA
3h 01m
nonstop
SEA
DEN
2h 40m
nonstop
Depart: Fri Nov 3 2017 Return: Mon Nov 6 2017 Trip spans 4 days
Delta
Delta
SNA
SEA
2h 59m
nonstop
SEA
SNA
2h 55m
nonstop
Depart: Mon Oct 30 2017 Return: Wed Nov 1 2017 Trip spans 3 days
United
United
DEN
SEA
3h 04m
nonstop
SEA
DEN
2h 37m
nonstop
Depart: Wed Feb 7 2018 Return: Sat Feb 10 2018 Trip spans 4 days
Virgin America
Virgin America
SFO
SEA
2h 01m
nonstop
SEA
SFO
2h 11m
nonstop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Here's why:

We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

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Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

If you have more questions or if you have a bad price to report to us,
please send us an email and someone from our team will get back to you promptly.

Airports
Origin

San Francisco
$117
Santa Ana
$119
Los Angeles
$100
Denver
$93
San Jose
$117
Destination

Seattle
$93
Airlines Airline reviews

1253 travelers who booked a flight from Denver to Seattle rated their chosen airlines with an average of 6.5.

Overall
6.6
Boarding
6.9
Crew
7.3
Comfort
6.4
Food
5.4
Entertainment
5.5