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
The price shown for each flight will be the average for all passengers including any infants.
Compare vs. KAYAK all | none
Browse Origins:
Browse Destinations:

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Washington Dulles Intl to Helena

(Round-trip)
Depart: Tue Apr 25 2017 Return: Mon May 1 2017 Trip spans 7 days
Delta
Delta
IAD
3:15a
HLN
10:37a
7h 22m
1 stop
HLN
9:10a
IAD
5:20p
8h 10m
1 stop
Depart: Wed May 10 2017 Return: Sat May 13 2017 Trip spans 4 days
United
United
IAD
12:05p
HLN
6:49p
6h 44m
1 stop
HLN
3:10a
IAD
11:53a
8h 43m
1 stop
Depart: Fri Aug 18 2017 Return: Wed Aug 23 2017 Trip spans 6 days
Alaska Airlines
Alaska Airlines
IAD
5:00a
HLN
1:12p
32h 12m
2 stops
HLN
11:47a
IAD
1:43a
13h 56m
2 stops
Depart: Tue May 9 2017 Return: Tue May 16 2017 Trip spans 8 days
United
United
IAD
10:35a
HLN
6:49p
8h 14m
1 stop
HLN
3:10a
IAD
11:54a
8h 44m
1 stop
Depart: Tue Jun 13 2017 Return: Tue Jun 20 2017 Trip spans 8 days
Delta
Delta
IAD
12:50p
HLN
8:32p
7h 42m
1 stop
HLN
2:00a
IAD
10:29a
8h 29m
1 stop
Depart: Fri Apr 14 2017 Return: Wed Apr 19 2017 Trip spans 6 days
United
United
IAD
12:15p
HLN
6:47p
6h 32m
1 stop
HLN
3:10a
IAD
12:21p
9h 11m
1 stop
Depart: Fri Aug 25 2017 Return: Sun Aug 27 2017 Trip spans 3 days
Delta
Delta
IAD
3:30a
HLN
10:30a
7h 00m
1 stop
HLN
2:00a
IAD
10:29a
8h 29m
1 stop
Depart: Tue Jul 18 2017 Return: Tue Jul 25 2017 Trip spans 8 days
Alaska Airlines
Alaska Airlines
IAD
12:00p
HLN
1:12p
25h 12m
2 stops
HLN
11:47a
IAD
9:01a
21h 14m
2 stops
Depart: Mon Aug 28 2017 Return: Wed Aug 30 2017 Trip spans 3 days
United
United
IAD
6:00p
HLN
6:43p
24h 43m
2 stops
HLN
3:15a
IAD
3:05p
11h 50m
2 stops
Depart: Thu Jun 8 2017 Return: Wed Jun 14 2017 Trip spans 7 days
Alaska Airlines
Alaska Airlines
IAD
5:00a
HLN
1:11p
32h 11m
2 stops
HLN
11:47a
IAD
9:09a
21h 22m
2 stops
Depart: Thu May 11 2017 Return: Sat May 13 2017 Trip spans 3 days
United
United
IAD
6:20p
HLN
6:48p
24h 28m
2 stops
HLN
3:10a
IAD
11:53a
8h 43m
1 stop
Depart: Fri Jul 7 2017 Return: Wed Jul 12 2017 Trip spans 6 days
Alaska Airlines
Alaska Airlines
IAD
12:04p
HLN
1:11p
25h 07m
2 stops
HLN
11:47a
IAD
1:45a
13h 58m
2 stops
Depart: Tue May 16 2017 Return: Sat May 20 2017 Trip spans 5 days
United
United
IAD
8:35a
HLN
6:48p
10h 13m
2 stops
HLN
3:10a
IAD
11:53a
8h 43m
1 stop
Depart: Thu Jul 20 2017 Return: Fri Jul 28 2017 Trip spans 9 days
Delta
Delta
IAD
12:50p
HLN
7:19p
6h 29m
1 stop
HLN
2:00a
IAD
10:29a
8h 29m
1 stop
Depart: Tue Aug 15 2017 Return: Mon Aug 21 2017 Trip spans 7 days
Alaska Airlines
Alaska Airlines
IAD
1:20p
HLN
1:12p
23h 52m
1 stop
HLN
11:47a
IAD
10:12a
22h 25m
1 stop
Depart: Sat Aug 26 2017 Return: Tue Aug 29 2017 Trip spans 4 days
United
United
IAD
4:30a
HLN
6:43p
14h 13m
2 stops
HLN
3:15a
IAD
12:05p
8h 50m
1 stop
Depart: Fri Mar 31 2017 Return: Tue Apr 4 2017 Trip spans 5 days
Delta
Delta
IAD
8:55a
HLN
5:39p
8h 44m
1 stop
HLN
1:40a
IAD
11:00a
9h 20m
2 stops
Depart: Wed Aug 16 2017 Return: Mon Aug 21 2017 Trip spans 6 days
Alaska Airlines
Alaska Airlines
IAD
1:20p
HLN
1:12p
23h 52m
1 stop
HLN
11:47a
IAD
10:12a
22h 25m
1 stop
Depart: Wed Aug 23 2017 Return: Tue Aug 29 2017 Trip spans 7 days
United
United
IAD
12:08p
HLN
6:43p
6h 35m
1 stop
HLN
3:15a
IAD
12:05p
8h 50m
1 stop
Depart: Fri Jun 30 2017 Return: Tue Jul 4 2017 Trip spans 5 days
Delta
Delta
IAD
12:50p
HLN
8:32p
7h 42m
1 stop
HLN
2:00a
IAD
10:29a
8h 29m
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

Washington
$486
Destination

Helena
$486