Find Deals on International Flights from 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 Seattle to worldwide

(Round-trip)
Depart: Wed Apr 12 2017 Return: Wed Apr 26 2017 Trip spans 15 days
Frontier
Frontier
SEA
PHX
2h 52m
nonstop
PHX
SEA
3h 12m
nonstop
Depart: Tue Mar 7 2017 Return: Wed Mar 8 2017 Trip spans 2 days
Spirit Airlines
Spirit Airlines
SEA
LAX
2h 40m
nonstop
LAX
SEA
2h 45m
nonstop
Depart: Mon Mar 6 2017 Return: Tue Mar 7 2017 Trip spans 2 days
Major Airline
Major Airline
SEA
LAS
2h 22m
nonstop
LAS
SEA
2h 39m
nonstop
Depart: Tue Jun 6 2017 Return: Sat Jun 10 2017 Trip spans 5 days
United
United
SEA
SAN
4h 29m
1 stop
SAN
SEA
4h 21m
1 stop
Depart: Wed May 3 2017 Return: Sat May 6 2017 Trip spans 4 days
Virgin America
Virgin America
SEA
SFO
2h 05m
nonstop
SFO
SEA
1h 59m
nonstop
Depart: Sat May 6 2017 Return: Wed May 10 2017 Trip spans 5 days
Delta
Delta
SEA
PHX
3h 00m
nonstop
PHX
SEA
3h 20m
nonstop
Depart: Thu Jun 15 2017 Return: Thu Jun 22 2017 Trip spans 8 days
Alaska Airlines
Alaska Airlines
SEA
LAX
2h 38m
nonstop
LAX
SEA
2h 35m
nonstop
Depart: Wed Mar 29 2017 Return: Tue Apr 4 2017 Trip spans 7 days
Spirit Airlines
Spirit Airlines
SEA
LAX
2h 38m
nonstop
LAX
SEA
2h 46m
nonstop
Depart: Thu Jun 8 2017 Return: Thu Jun 15 2017 Trip spans 8 days
American Airlines
American Airlines
SEA
PHX
2h 51m
nonstop
PHX
SEA
3h 13m
nonstop
Depart: Sat Apr 22 2017 Return: Wed Apr 26 2017 Trip spans 5 days
Frontier
Frontier
SEA
PHX
2h 52m
nonstop
PHX
SEA
3h 12m
nonstop
Depart: Tue Apr 4 2017 Return: Wed Apr 5 2017 Trip spans 2 days
Spirit Airlines
Spirit Airlines
SEA
LAX
2h 38m
nonstop
LAX
SEA
2h 47m
nonstop
Depart: Tue Feb 28 2017 Return: Thu Mar 2 2017 Trip spans 3 days
Major Airline
Major Airline
SEA
PHX
2h 50m
nonstop
PHX
SEA
3h 00m
nonstop
Depart: Tue Apr 11 2017 Return: Tue Apr 18 2017 Trip spans 8 days
Spirit Airlines
Spirit Airlines
SEA
LAX
2h 41m
nonstop
LAX
SEA
2h 44m
nonstop
Depart: Wed Mar 29 2017 Return: Fri Mar 31 2017 Trip spans 3 days
Frontier
Frontier
SEA
PHX
2h 58m
nonstop
PHX
SEA
3h 01m
nonstop
Depart: Mon Feb 27 2017 Return: Mon Mar 6 2017 Trip spans 8 days
JetBlue
JetBlue
SEA
BOS
5h 05m
nonstop
BOS
SEA
6h 21m
nonstop
Depart: Tue May 9 2017 Return: Tue May 16 2017 Trip spans 8 days
Spirit Airlines
Spirit Airlines
SEA
LAX
2h 41m
nonstop
LAX
SEA
2h 45m
nonstop
Depart: Tue Mar 7 2017 Return: Thu Mar 9 2017 Trip spans 3 days
Major Airline
Major Airline
SEA
LAS
2h 21m
nonstop
LAS
SEA
2h 39m
nonstop
Depart: Wed Jun 7 2017 Return: Wed Jun 14 2017 Trip spans 8 days
Spirit Airlines
Spirit Airlines
SEA
LAX
2h 40m
nonstop
LAX
SEA
2h 44m
nonstop
Depart: Mon Mar 6 2017 Return: Wed Mar 8 2017 Trip spans 3 days
Frontier
Frontier
SEA
PHX
2h 58m
nonstop
PHX
SEA
3h 01m
nonstop
Depart: Fri May 12 2017 Return: Sun May 14 2017 Trip spans 3 days
Sun Country Air
Sun Country Air
SEA
BOS
7h 45m
1 stop
BOS
SEA
17h 35m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

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.

We compile tonnes of data for you
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

Seattle
$87
Destination

San Francisco
$146
San Diego
$144
Phoenix
$87
Los Angeles
$91
Las Vegas
$95
Boston
$242