Find Deals on Flights from Seattle to Harlingen Valley International

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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Book cheap flights from Seattle to Harlingen Valley International

(Round-trip)
Depart: Tue Mar 21 2017 Return: Wed Mar 29 2017 Trip spans 9 days
United
United
SEA
1:50a
HRL
10:10a
8h 20m
1 stop
HRL
12:50p
SEA
10:12p
9h 22m
1 stop
Depart: Thu Apr 13 2017 Return: Tue Apr 18 2017 Trip spans 6 days
Major Airline
Major Airline
SEA
1:00a
HRL
2:58a
1h 58m
nonstop
HRL
1:00a
SEA
6:58a
5h 58m
nonstop
Depart: Thu Apr 27 2017 Return: Mon May 1 2017 Trip spans 5 days
United
United
SEA
10:10a
HRL
4:31p
6h 21m
1 stop
HRL
7:00a
SEA
3:28p
8h 28m
1 stop
Depart: Wed May 3 2017 Return: Mon May 8 2017 Trip spans 6 days
United
United
SEA
8:30p
HRL
4:24a
7h 54m
1 stop
HRL
6:55a
SEA
3:25p
8h 30m
1 stop
Depart: Sat Mar 11 2017 Return: Mon Mar 13 2017 Trip spans 2 days
Major Airline
Major Airline
SEA
1:00a
HRL
2:58a
1h 58m
1 stop
HRL
2:00a
SEA
7:58a
5h 58m
1 stop
Depart: Thu May 4 2017 Return: Mon May 8 2017 Trip spans 5 days
United
United
SEA
8:00a
HRL
4:31p
8h 31m
1 stop
HRL
6:55a
SEA
3:25p
8h 30m
1 stop
Depart: Fri May 5 2017 Return: Mon May 8 2017 Trip spans 4 days
United
United
SEA
8:08a
HRL
4:35p
8h 27m
1 stop
HRL
6:55a
SEA
3:25p
8h 30m
1 stop
Depart: Wed Jun 28 2017 Return: Sun Jul 9 2017 Trip spans 12 days
Major Airline
Major Airline
SEA
1:00a
HRL
2:58a
1h 58m
2 stops
HRL
1:00a
SEA
6:58a
5h 58m
2 stops
Depart: Wed Jun 14 2017 Return: Mon Jul 3 2017 Trip spans 20 days
United
United
SEA
8:30p
HRL
4:24a
7h 54m
1 stop
HRL
1:00p
SEA
10:15p
9h 15m
1 stop
Depart: Wed Jun 21 2017 Return: Mon Jul 3 2017 Trip spans 13 days
United
United
SEA
6:55p
HRL
4:24a
9h 29m
1 stop
HRL
1:00p
SEA
10:15p
9h 15m
1 stop
Depart: Sun Jun 11 2017 Return: Sun Jun 18 2017 Trip spans 8 days
Major Airline
Major Airline
SEA
1:00a
HRL
2:58a
1h 58m
1 stop
HRL
1:00a
SEA
6:58a
5h 58m
1 stop
Depart: Sun Jun 18 2017 Return: Mon Jul 3 2017 Trip spans 16 days
United
United
SEA
6:55p
HRL
4:24a
9h 29m
1 stop
HRL
1:00p
SEA
10:15p
9h 15m
1 stop
Depart: Fri Mar 10 2017 Return: Sat Mar 18 2017 Trip spans 8 days
Major Airline
Major Airline
SEA
12:00a
HRL
1:58a
1h 58m
2 stops
HRL
1:00a
SEA
6:58a
5h 58m
2 stops
Depart: Sun Mar 12 2017 Return: Tue Mar 14 2017 Trip spans 3 days
United
United
SEA
7:15p
HRL
4:25a
9h 10m
1 stop
HRL
12:50p
SEA
10:12p
9h 22m
1 stop
Depart: Mon Feb 27 2017 Return: Sun Mar 5 2017 Trip spans 7 days
Major Airline
Major Airline
SEA
12:00a
HRL
1:58a
1h 58m
nonstop
HRL
8:00a
SEA
1:58p
5h 58m
nonstop
Depart: Thu Mar 23 2017 Return: Sat Mar 25 2017 Trip spans 3 days
United
United
SEA
10:10a
HRL
4:32p
6h 22m
1 stop
HRL
12:50p
SEA
7:34p
6h 44m
1 stop
Depart: Fri Jun 16 2017 Return: Mon Jul 3 2017 Trip spans 18 days
United
United
SEA
6:55p
HRL
4:24a
9h 29m
1 stop
HRL
1:00p
SEA
10:15p
9h 15m
1 stop
Depart: Tue Jun 20 2017 Return: Tue Jul 4 2017 Trip spans 15 days
United
United
SEA
9:20a
HRL
4:24a
19h 04m
2 stops
HRL
1:00p
SEA
10:15p
9h 15m
1 stop
Depart: Wed Mar 22 2017 Return: Sun Mar 26 2017 Trip spans 5 days
United
United
SEA
10:10a
HRL
4:32p
6h 22m
1 stop
HRL
12:50p
SEA
4:00p
27h 10m
1 stop
Depart: Sat Jun 17 2017 Return: Mon Jul 3 2017 Trip spans 17 days
United
United
SEA
2:00a
HRL
10:09a
8h 09m
1 stop
HRL
1:00p
SEA
10:15p
9h 15m
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

Seattle
$392
Destination

Harlingen
$392
Airlines