Find Cheap 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
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 Helena to Lambert-St Louis

(Round-trip)
Depart: Thu Sep 21 2017 Return: Sun Sep 24 2017 Trip spans 4 days
Delta
Delta
HLN
2:01p
STL
7:19p
5h 18m
1 stop
STL
2:30a
HLN
9:34a
7h 04m
1 stop
Depart: Wed Sep 13 2017 Return: Thu Sep 14 2017 Trip spans 2 days
United
United
HLN
3:15a
STL
6:43p
15h 28m
2 stops
STL
1:20p
HLN
5:56p
28h 36m
2 stops
Depart: Thu Aug 31 2017 Return: Tue Sep 5 2017 Trip spans 6 days
United
United
HLN
3:15a
STL
5:35a
26h 20m
2 stops
STL
2:35p
HLN
5:56p
27h 21m
2 stops
* 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

Helena
$437
Destination

St. Louis
$437