Find Cheap Flights from Lambert-St Louis to Boston Logan International (STL - BOS)

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 Boston Logan International

(Round-trip)
Depart: Thu Nov 9 2017 Return: Thu Nov 16 2017 Trip spans 8 days
American Airlines
American Airlines
STL
12:00a
BOS
5:00a
5h 00m
1 stop
BOS
12:00a
STL
6:30a
6h 30m
1 stop
Depart: Fri Nov 17 2017 Return: Sun Nov 19 2017 Trip spans 3 days
Delta
Delta
STL
12:00a
BOS
4:14a
4h 14m
1 stop
BOS
12:00a
STL
7:23a
7h 23m
1 stop
Depart: Thu Feb 15 2018 Return: Mon Feb 19 2018 Trip spans 5 days
United
United
STL
12:00a
BOS
5:02a
5h 02m
1 stop
BOS
12:00a
STL
6:32a
6h 32m
1 stop
Depart: Wed Oct 25 2017 Return: Sat Oct 28 2017 Trip spans 4 days
Multiple Airlines
Multiple Airlines
STL
12:00a
BOS
8:59p
20h 59m
1 stop
BOS
12:00a
STL
1:07p
13h 07m
1 stop
Depart: Wed Dec 6 2017 Return: Mon Dec 11 2017 Trip spans 6 days
American Airlines
American Airlines
STL
12:00a
BOS
5:35a
5h 35m
1 stop
BOS
12:00a
STL
5:42a
5h 42m
1 stop
Depart: Sun Nov 19 2017 Return: Wed Nov 29 2017 Trip spans 11 days
Delta
Delta
STL
12:00a
BOS
5:54a
5h 54m
1 stop
BOS
12:00a
STL
5:21a
5h 21m
1 stop
Depart: Thu Feb 8 2018 Return: Mon Feb 12 2018 Trip spans 5 days
American Airlines
American Airlines
STL
12:00a
BOS
5:28a
5h 28m
1 stop
BOS
12:00a
STL
5:44a
5h 44m
1 stop
Depart: Sun Mar 4 2018 Return: Sat Mar 10 2018 Trip spans 7 days
Delta
Delta
STL
12:00a
BOS
4:57a
4h 57m
1 stop
BOS
12:00a
STL
4:19a
4h 19m
1 stop
Depart: Thu Dec 7 2017 Return: Sun Dec 10 2017 Trip spans 4 days
American Airlines
American Airlines
STL
12:00a
BOS
5:35a
5h 35m
1 stop
BOS
12:00a
STL
4:46a
4h 46m
1 stop
Depart: Mon Mar 12 2018 Return: Fri Mar 16 2018 Trip spans 5 days
Delta
Delta
STL
12:00a
BOS
7:42a
7h 42m
1 stop
BOS
12:00a
STL
5:06a
5h 06m
1 stop
Depart: Tue Apr 10 2018 Return: Tue Apr 17 2018 Trip spans 8 days
Delta
Delta
STL
12:00a
BOS
4:19a
4h 19m
1 stop
BOS
12:00a
STL
6:13a
6h 13m
1 stop
Depart: Tue Oct 24 2017 Return: Thu Oct 26 2017 Trip spans 3 days
Multiple Airlines
Multiple Airlines
STL
12:00a
BOS
9:04a
9h 04m
1 stop
BOS
12:00a
STL
5:57p
17h 57m
1 stop
Depart: Thu Oct 26 2017 Return: Sun Oct 29 2017 Trip spans 4 days
American Airlines
American Airlines
STL
12:00a
BOS
5:58a
5h 58m
1 stop
BOS
12:00a
STL
6:33a
6h 33m
1 stop
Select an airline:  Southwest
Direct flights STL to BOS on Southwest
Flight # Depart STL Arrive BOS Sun Mon Tue Wed Thu Fri Sat Valid Between
2381 8:05 am 11:35 am Nov 26 - Nov 27
2381 8:05 am 11:35 am Nov 17 - Nov 22
1448 8:20 am 11:50 am Nov 6 - Nov 16
1448 8:20 am 11:50 am Nov 20 - Nov 23
1448 8:20 am 11:50 am Nov 24 - Nov 24
3951 8:25 am 11:55 am Nov 18 - Nov 25
408 8:25 am 12:00 pm Oct 9 - Nov 3
4252 9:40 am 1:10 pm Nov 5 - Nov 19
4255 9:50 am 1:25 pm Oct 8 - Oct 29
2357 12:00 pm 3:30 pm Nov 4 - Nov 4
4375 12:00 pm 3:30 pm Oct 7 - Oct 28
3003 12:10 pm 3:40 pm Nov 11 - Nov 11
3631 1:00 pm 4:30 pm Oct 8 - Oct 29
4670 1:35 pm 5:10 pm Oct 7 - Oct 28
998 1:50 pm 5:20 pm Nov 4 - Nov 4
1312 3:40 pm 7:10 pm Oct 31 - Oct 31
470 3:50 pm 7:20 pm Nov 24 - Nov 24
470 3:50 pm 7:20 pm Nov 23 - Nov 23
470 3:50 pm 7:20 pm Nov 6 - Nov 16
470 3:50 pm 7:20 pm Nov 20 - Nov 20
6513 3:50 pm 7:20 pm Nov 1 - Nov 3
6513 3:50 pm 7:20 pm Oct 9 - Oct 30
4393 4:00 pm 7:30 pm Nov 18 - Nov 25
6652 4:20 pm 7:45 pm Nov 26 - Nov 27
6652 4:20 pm 7:45 pm Nov 17 - Nov 22
2775 4:45 pm 8:15 pm Nov 4 - Nov 4
3303 4:45 pm 8:15 pm Oct 7 - Oct 28
2816 5:00 pm 8:25 pm Nov 11 - Nov 11
3856 7:25 pm 10:55 pm Nov 5 - Nov 19
3215 7:30 pm 11:00 pm Oct 9 - Nov 3
6239 7:30 pm 10:55 pm Nov 18 - Nov 18
1196 7:35 pm 11:05 pm Nov 6 - Nov 16
1196 7:35 pm 11:05 pm Nov 20 - Nov 24
5170 7:40 pm 11:10 pm Oct 8 - Oct 29
5862 7:50 pm 11:20 pm Nov 26 - Nov 27
5862 7:50 pm 11:20 pm Nov 17 - Nov 22
2307 7:55 pm 11:20 pm Nov 25 - Nov 25
* 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
$200
Destination

Boston
$200