Find Deals on Flights from Washington Dulles Intl to Helena (IAD - HLN)

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 Washington Dulles Intl to Helena

(Round-trip)
Depart: Thu Feb 9 2017 Return: Mon Mar 13 2017 Trip spans 32 days
Delta
Delta
IAD
9:30a
HLN
4:47p
7h 17m
1 stop
HLN
1:55a
IAD
10:37a
8h 42m
1 stop
Depart: Wed Feb 15 2017 Return: Sun Feb 19 2017 Trip spans 5 days
United
United
IAD
11:14a
HLN
5:53p
6h 39m
1 stop
HLN
2:10a
IAD
9:21a
7h 11m
1 stop
Depart: Mon May 22 2017 Return: Thu May 25 2017 Trip spans 4 days
Alaska Airlines
Alaska Airlines
IAD
1:30p
HLN
1:11p
23h 41m
1 stop
HLN
11:46a
IAD
10:24a
22h 38m
1 stop
Depart: Fri Feb 10 2017 Return: Mon Mar 13 2017 Trip spans 31 days
Delta
Delta
IAD
9:30a
HLN
4:47p
7h 17m
1 stop
HLN
1:55a
IAD
10:37a
8h 42m
1 stop
Depart: Tue Jan 10 2017 Return: Sun Jan 15 2017 Trip spans 6 days
United
United
IAD
9:25a
HLN
5:53p
8h 28m
1 stop
HLN
2:10a
IAD
11:02a
8h 52m
1 stop
Depart: Mon Feb 13 2017 Return: Mon Mar 13 2017 Trip spans 28 days
Delta
Delta
IAD
9:30a
HLN
4:47p
7h 17m
1 stop
HLN
1:55a
IAD
10:37a
8h 42m
1 stop
Depart: Wed Jan 11 2017 Return: Sun Jan 15 2017 Trip spans 5 days
United
United
IAD
11:14a
HLN
5:55p
6h 41m
1 stop
HLN
2:10a
IAD
11:02a
8h 52m
1 stop
Depart: Fri Jun 9 2017 Return: Sun Jul 2 2017 Trip spans 24 days
Delta
Delta
IAD
1:25p
HLN
7:54p
6h 29m
1 stop
HLN
9:00a
IAD
5:08p
8h 08m
1 stop
Depart: Sun Feb 19 2017 Return: Sun Feb 26 2017 Trip spans 8 days
Alaska Airlines
Alaska Airlines
IAD
2:00p
HLN
11:51a
21h 51m
1 stop
HLN
10:25a
IAD
10:47a
24h 22m
1 stop
Depart: Sat Feb 11 2017 Return: Tue Mar 14 2017 Trip spans 31 days
United
United
IAD
11:14a
HLN
5:53p
6h 39m
1 stop
HLN
3:05a
IAD
9:10a
6h 05m
1 stop
Depart: Wed Feb 22 2017 Return: Tue Feb 28 2017 Trip spans 7 days
United
United
IAD
9:26a
HLN
5:54p
8h 28m
1 stop
HLN
2:10a
IAD
9:25a
7h 15m
1 stop
Depart: Wed Mar 15 2017 Return: Mon Mar 20 2017 Trip spans 6 days
Delta
Delta
IAD
8:59a
HLN
5:34p
8h 35m
1 stop
HLN
1:55a
IAD
10:37a
8h 42m
1 stop
Depart: Fri Feb 24 2017 Return: Sun Feb 26 2017 Trip spans 3 days
Alaska Airlines
Alaska Airlines
IAD
2:00p
HLN
11:51a
21h 51m
1 stop
HLN
10:25a
IAD
10:47a
24h 22m
1 stop
Depart: Tue Jan 3 2017 Return: Mon Jan 9 2017 Trip spans 7 days
United
United
IAD
9:30a
HLN
5:53p
8h 23m
1 stop
HLN
2:10a
IAD
9:44a
7h 34m
1 stop
Depart: Fri Mar 3 2017 Return: Tue Mar 7 2017 Trip spans 5 days
Delta
Delta
IAD
9:40a
HLN
4:35p
6h 55m
1 stop
HLN
12:51a
IAD
9:55a
9h 04m
2 stops
Depart: Fri Dec 30 2016 Return: Mon Jan 9 2017 Trip spans 11 days
United
United
IAD
9:30a
HLN
5:57p
8h 27m
1 stop
HLN
2:10a
IAD
11:02a
8h 52m
1 stop
Depart: Fri Jun 23 2017 Return: Tue Jun 27 2017 Trip spans 5 days
Delta
Delta
IAD
3:30a
HLN
10:30a
7h 00m
1 stop
HLN
2:00a
IAD
10:54a
8h 54m
1 stop
Depart: Wed Jan 4 2017 Return: Mon Jan 9 2017 Trip spans 6 days
United
United
IAD
9:25a
HLN
5:54p
8h 29m
1 stop
HLN
2:10a
IAD
9:44a
7h 34m
1 stop
Depart: Fri Jan 13 2017 Return: Sun Jan 15 2017 Trip spans 3 days
United
United
IAD
9:25a
HLN
5:54p
8h 29m
1 stop
HLN
2:10a
IAD
11:02a
8h 52m
1 stop
Depart: Sat Jun 24 2017 Return: Tue Jun 27 2017 Trip spans 4 days
Delta
Delta
IAD
1:25p
HLN
7:52p
6h 27m
1 stop
HLN
9:00a
IAD
5:08p
8h 08m
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:

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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.

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Airports
Origin

Washington
$486
Destination

Helena
$486