Find Deals on Flights from Helena to Lambert-St Louis (HLN - STL)

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 Helena to Lambert-St Louis

(Round-trip)
Depart: Thu Mar 2 2017 Return: Fri Mar 3 2017 Trip spans 2 days
Alaska Airlines
Alaska Airlines
HLN
10:25a
STL
5:53p
7h 28m
1 stop
STL
1:30a
HLN
10:51a
9h 21m
1 stop
Depart: Tue Feb 28 2017 Return: Thu Mar 2 2017 Trip spans 3 days
Major Airline
Major Airline
HLN
5:25a
STL
6:48a
25h 23m
2 stops
STL
8:50a
HLN
5:51a
21h 01m
2 stops
Depart: Tue Feb 7 2017 Return: Wed Feb 8 2017 Trip spans 2 days
United
United
HLN
2:10a
STL
9:46a
7h 36m
1 stop
STL
11:22a
HLN
4:54p
5h 32m
1 stop
Depart: Thu Jun 15 2017 Return: Mon Jun 19 2017 Trip spans 5 days
Delta
Delta
HLN
1:54p
STL
6:55p
5h 01m
1 stop
STL
11:13a
HLN
6:19p
7h 06m
1 stop
Depart: Mon Feb 27 2017 Return: Thu Mar 2 2017 Trip spans 4 days
Alaska Airlines
Alaska Airlines
HLN
10:25a
STL
5:53p
7h 28m
1 stop
STL
1:30a
HLN
10:51a
9h 21m
1 stop
Depart: Thu Feb 16 2017 Return: Mon Feb 20 2017 Trip spans 5 days
Alaska Airlines
Alaska Airlines
HLN
10:25a
STL
5:53p
7h 28m
1 stop
STL
1:50p
HLN
10:51a
21h 01m
1 stop
Depart: Fri Jan 27 2017 Return: Sun Jan 29 2017 Trip spans 3 days
Major Airline
Major Airline
HLN
12:00a
STL
1:26a
1h 26m
nonstop
STL
8:00a
HLN
11:26a
3h 26m
nonstop
Depart: Mon Feb 6 2017 Return: Tue Feb 7 2017 Trip spans 2 days
Alaska Airlines
Alaska Airlines
HLN
10:25a
STL
5:53p
7h 28m
1 stop
STL
1:30a
HLN
10:51a
9h 21m
1 stop
Depart: Thu Feb 2 2017 Return: Mon Feb 6 2017 Trip spans 5 days
United
United
HLN
2:10a
STL
6:55a
4h 45m
1 stop
STL
11:20a
HLN
4:54p
5h 34m
1 stop
Depart: Sat Feb 4 2017 Return: Thu Feb 9 2017 Trip spans 6 days
Delta
Delta
HLN
1:59a
STL
1:43p
11h 44m
2 stops
STL
5:20a
HLN
3:47p
10h 27m
2 stops
Depart: Fri Feb 3 2017 Return: Mon Feb 6 2017 Trip spans 4 days
United
United
HLN
2:10a
STL
9:44a
7h 34m
1 stop
STL
11:20a
HLN
4:54p
5h 34m
1 stop
Depart: Wed Feb 1 2017 Return: Mon Feb 6 2017 Trip spans 6 days
Alaska Airlines
Alaska Airlines
HLN
10:25a
STL
5:56p
7h 31m
1 stop
STL
1:30a
HLN
10:51a
9h 21m
1 stop
Depart: Sun Feb 5 2017 Return: Mon Feb 6 2017 Trip spans 2 days
Alaska Airlines
Alaska Airlines
HLN
10:25a
STL
5:56p
7h 31m
1 stop
STL
1:30a
HLN
10:51a
9h 21m
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.

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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

Helena
$324
Destination

St. Louis
$324