Find Cheap Flights from Lambert-St Louis to Helena (STL - 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 Lambert-St Louis to Helena

(Round-trip)
Depart: Thu Aug 24 2017 Return: Mon Aug 28 2017 Trip spans 5 days
Delta
Delta
STL
12:00a
HLN
7:23a
7h 23m
1 stop
HLN
12:00a
STL
5:18a
5h 18m
1 stop
Depart: Fri Aug 25 2017 Return: Mon Aug 28 2017 Trip spans 4 days
Multiple Airlines
Multiple Airlines
STL
12:00a
HLN
5:24a
5h 24m
1 stop
HLN
12:00a
STL
5:18a
5h 18m
1 stop
Depart: Sat Sep 30 2017 Return: Fri Oct 6 2017 Trip spans 7 days
Delta
Delta
STL
12:00a
HLN
5:06a
5h 06m
1 stop
HLN
12:00a
STL
5:01a
5h 01m
1 stop
Depart: Sun Oct 1 2017 Return: Sat Oct 7 2017 Trip spans 7 days
Delta
Delta
STL
12:00a
HLN
6:45a
6h 45m
1 stop
HLN
12:00a
STL
6:50a
6h 50m
1 stop
Depart: Sat Dec 23 2017 Return: Wed Jan 3 2018 Trip spans 12 days
Multiple Airlines
Multiple Airlines
STL
12:00a
HLN
4:57a
4h 57m
1 stop
HLN
12:00a
STL
7:03a
7h 03m
1 stop
Depart: Fri Dec 22 2017 Return: Wed Jan 3 2018 Trip spans 13 days
Delta
Delta
STL
12:00a
HLN
4:57a
4h 57m
1 stop
HLN
12:00a
STL
8:03a
8h 03m
2 stops
Depart: Sun Dec 24 2017 Return: Mon Jan 1 2018 Trip spans 9 days
Delta
Delta
STL
12:00a
HLN
7:06a
7h 06m
1 stop
HLN
12:00a
STL
7:33a
7h 33m
1 stop
Depart: Fri Jul 28 2017 Return: Sun Jul 30 2017 Trip spans 3 days
Multiple Airlines
Multiple Airlines
STL
12:00a
HLN
5:15a
5h 15m
1 stop
HLN
12:00a
STL
4:38a
4h 38m
1 stop
Depart: Thu Aug 10 2017 Return: Wed Aug 16 2017 Trip spans 7 days
Delta
Delta
STL
12:00a
HLN
5:49a
5h 49m
1 stop
HLN
12:00a
STL
5:19a
5h 19m
1 stop
Depart: Sat Dec 23 2017 Return: Mon Jan 1 2018 Trip spans 10 days
Delta
Delta
STL
12:00a
HLN
4:57a
4h 57m
1 stop
HLN
12:00a
STL
7:33a
7h 33m
1 stop
Depart: Thu Dec 21 2017 Return: Wed Jan 3 2018 Trip spans 14 days
Delta
Delta
STL
12:00a
HLN
7:06a
7h 06m
1 stop
HLN
12:00a
STL
8:03a
8h 03m
2 stops
Depart: Fri Dec 22 2017 Return: Mon Jan 1 2018 Trip spans 11 days
Delta
Delta
STL
12:00a
HLN
4:57a
4h 57m
1 stop
HLN
12:00a
STL
7:33a
7h 33m
1 stop
Depart: Sat Dec 23 2017 Return: Tue Jan 2 2018 Trip spans 11 days
Delta
Delta
STL
12:00a
HLN
4:57a
4h 57m
1 stop
HLN
12:00a
STL
3:15a
27h 15m
1 stop
Depart: Fri Dec 22 2017 Return: Tue Jan 2 2018 Trip spans 12 days
Delta
Delta
STL
12:00a
HLN
4:57a
4h 57m
1 stop
HLN
12:00a
STL
3:15a
27h 15m
1 stop
Depart: Thu Dec 21 2017 Return: Mon Jan 1 2018 Trip spans 12 days
Delta
Delta
STL
12:00a
HLN
7:06a
7h 06m
1 stop
HLN
12:00a
STL
7:33a
7h 33m
1 stop
Depart: Thu Dec 21 2017 Return: Tue Jan 2 2018 Trip spans 13 days
Delta
Delta
STL
12:00a
HLN
8:20a
8h 20m
1 stop
HLN
12:00a
STL
3:15a
27h 15m
1 stop
Depart: Thu Jul 27 2017 Return: Sun Jul 30 2017 Trip spans 4 days
Delta
Delta
STL
12:00a
HLN
8:03a
8h 03m
1 stop
HLN
12:00a
STL
4:45a
4h 45m
1 stop
Depart: Fri Jul 28 2017 Return: Mon Jul 31 2017 Trip spans 4 days
$1141
Select
Delta
Delta
STL
12:00a
HLN
5:15a
5h 15m
1 stop
HLN
12:00a
STL
7:50a
7h 50m
1 stop
Depart: Sat Jul 22 2017 Return: Sun Jul 23 2017 Trip spans 2 days
$1350
Select
Delta
Delta
STL
12:00a
HLN
5:25a
5h 25m
1 stop
HLN
12:00a
STL
4:45a
4h 45m
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

St. Louis
$412
Destination

Helena
$412
Airlines