Find Deals on Flights from Williamsport Lycoming County 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
Students
under 26
The price shown for each flight will be the average for all passengers including any infants.
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Book cheap flights from Williamsport Lycoming County to Seattle

(Round-trip)
Depart: Tue Mar 7 2017 Return: Wed Mar 15 2017 Trip spans 8 days
American Airlines
American Airlines
IPT
3:50a
SEA
4:29p
12h 39m
1 stop
SEA
4:30a
IPT
2:41p
10h 11m
1 stop
Depart: Wed Mar 8 2017 Return: Wed Mar 15 2017 Trip spans 7 days
American Airlines
American Airlines
IPT
3:50a
SEA
4:29p
12h 39m
1 stop
SEA
4:30a
IPT
2:41p
10h 11m
1 stop
Depart: Tue Apr 11 2017 Return: Wed Apr 19 2017 Trip spans 9 days
American Airlines
American Airlines
IPT
4:50a
SEA
5:29p
12h 39m
1 stop
SEA
4:30a
IPT
2:41p
10h 11m
1 stop
Depart: Mon Apr 10 2017 Return: Wed Apr 19 2017 Trip spans 10 days
American Airlines
American Airlines
IPT
4:50a
SEA
5:29p
12h 39m
1 stop
SEA
4:30a
IPT
2:41p
10h 11m
1 stop
Depart: Sat Apr 15 2017 Return: Wed Apr 19 2017 Trip spans 5 days
American Airlines
American Airlines
IPT
4:50a
SEA
5:29p
12h 39m
1 stop
SEA
4:30a
IPT
2:41p
10h 11m
1 stop
Depart: Thu Mar 9 2017 Return: Wed Mar 15 2017 Trip spans 6 days
American Airlines
American Airlines
IPT
3:50a
SEA
4:29p
12h 39m
1 stop
SEA
4:30a
IPT
2:41p
10h 11m
1 stop
Depart: Mon Mar 6 2017 Return: Tue Mar 14 2017 Trip spans 8 days
American Airlines
American Airlines
IPT
3:50a
SEA
4:29p
12h 39m
1 stop
SEA
4:30a
IPT
2:41p
10h 11m
1 stop
Depart: Wed Apr 12 2017 Return: Wed Apr 19 2017 Trip spans 8 days
American Airlines
American Airlines
IPT
4:50a
SEA
5:29p
12h 39m
1 stop
SEA
4:30a
IPT
2:41p
10h 11m
1 stop
Depart: Sat Dec 10 2016 Return: Thu Dec 15 2016 Trip spans 6 days
American Airlines
American Airlines
IPT
5:45a
SEA
7:10p
13h 25m
1 stop
SEA
5:15p
IPT
11:30a
18h 15m
1 stop
Depart: Thu Apr 13 2017 Return: Wed Apr 19 2017 Trip spans 7 days
American Airlines
American Airlines
IPT
4:50a
SEA
5:29p
12h 39m
1 stop
SEA
4:30a
IPT
2:41p
10h 11m
1 stop
Depart: Fri Apr 14 2017 Return: Wed Apr 19 2017 Trip spans 6 days
American Airlines
American Airlines
IPT
4:50a
SEA
5:29p
12h 39m
1 stop
SEA
4:30a
IPT
2:41p
10h 11m
1 stop
Depart: Wed Dec 7 2016 Return: Thu Dec 15 2016 Trip spans 9 days
American Airlines
American Airlines
IPT
10:59a
SEA
7:10p
8h 11m
1 stop
SEA
5:15p
IPT
11:30a
18h 15m
1 stop
Depart: Thu Dec 8 2016 Return: Mon Dec 12 2016 Trip spans 5 days
American Airlines
American Airlines
IPT
5:45a
SEA
7:10p
13h 25m
1 stop
SEA
3:20a
IPT
2:14a
22h 54m
1 stop
Depart: Fri Dec 9 2016 Return: Thu Dec 15 2016 Trip spans 7 days
American Airlines
American Airlines
IPT
5:45a
SEA
7:10p
13h 25m
1 stop
SEA
5:15p
IPT
11:30a
18h 15m
1 stop
Depart: Sun Apr 9 2017 Return: Wed Apr 19 2017 Trip spans 11 days
American Airlines
American Airlines
IPT
4:50a
SEA
5:29p
12h 39m
1 stop
SEA
4:30a
IPT
2:41p
10h 11m
1 stop
Depart: Sun May 7 2017 Return: Sat May 13 2017 Trip spans 7 days
American Airlines
American Airlines
IPT
4:50a
SEA
5:29p
12h 39m
1 stop
SEA
8:15p
IPT
2:41p
18h 26m
2 stops
Depart: Sat Dec 24 2016 Return: Thu Dec 29 2016 Trip spans 6 days
American Airlines
American Airlines
IPT
4:30a
SEA
6:49p
14h 19m
1 stop
SEA
5:15p
IPT
7:29a
14h 14m
1 stop
Depart: Sun Mar 5 2017 Return: Mon Mar 13 2017 Trip spans 8 days
American Airlines
American Airlines
IPT
3:50a
SEA
4:29p
12h 39m
1 stop
SEA
4:30a
IPT
2:41p
10h 11m
1 stop
Depart: Thu Jun 22 2017 Return: Sun Jul 2 2017 Trip spans 11 days
American Airlines
American Airlines
IPT
9:25a
SEA
7:49p
10h 24m
1 stop
SEA
4:30a
IPT
2:41p
10h 11m
1 stop
Depart: Sat Mar 4 2017 Return: Sun Mar 12 2017 Trip spans 8 days
American Airlines
American Airlines
IPT
1:15a
SEA
7:26p
18h 11m
1 stop
SEA
4:30a
IPT
2:41p
10h 11m
1 stop
* 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,
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Airports
Origin

Williamsport
$361
Destination

Seattle
$361