Find Deals on 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
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 Lambert-St Louis to Boston Logan International

(Round-trip)
Depart: Wed Jan 18 2017 Return: Fri Jan 20 2017 Trip spans 3 days
Major Airline
Major Airline
STL
12:00a
BOS
1:05a
1h 05m
nonstop
BOS
12:00a
STL
3:05a
3h 05m
nonstop
Depart: Tue Jan 17 2017 Return: Thu Jan 19 2017 Trip spans 3 days
American Airlines
American Airlines
STL
7:54a
BOS
12:18p
4h 24m
1 stop
BOS
2:25a
STL
8:14a
5h 49m
1 stop
Depart: Tue Feb 14 2017 Return: Wed Feb 22 2017 Trip spans 9 days
United
United
STL
8:06a
BOS
12:42p
4h 36m
1 stop
BOS
1:18p
STL
6:24p
5h 06m
1 stop
Depart: Sun Dec 25 2016 Return: Sat Jan 7 2017 Trip spans 14 days
Delta
Delta
STL
11:45a
BOS
4:16p
4h 31m
1 stop
BOS
1:00a
STL
6:49a
5h 49m
1 stop
Depart: Fri Feb 3 2017 Return: Sun Feb 5 2017 Trip spans 3 days
Major Airline
Major Airline
STL
12:00a
BOS
1:05a
1h 05m
nonstop
BOS
12:00a
STL
3:05a
3h 05m
nonstop
Depart: Thu Jan 19 2017 Return: Sat Jan 21 2017 Trip spans 3 days
American Airlines
American Airlines
STL
1:00a
BOS
6:00a
5h 00m
1 stop
BOS
5:55a
STL
1:31p
7h 36m
1 stop
Depart: Wed Feb 15 2017 Return: Wed Feb 22 2017 Trip spans 8 days
United
United
STL
10:40a
BOS
3:20p
4h 40m
1 stop
BOS
1:18p
STL
6:24p
5h 06m
1 stop
Depart: Wed Jan 25 2017 Return: Sat Jan 28 2017 Trip spans 4 days
American Airlines
American Airlines
STL
1:00a
BOS
6:00a
5h 00m
1 stop
BOS
4:20a
STL
11:45a
7h 25m
1 stop
Depart: Thu Feb 16 2017 Return: Wed Feb 22 2017 Trip spans 7 days
United
United
STL
8:00a
BOS
12:16p
4h 16m
1 stop
BOS
1:18p
STL
6:24p
5h 06m
1 stop
Depart: Tue Jan 31 2017 Return: Thu Feb 2 2017 Trip spans 3 days
American Airlines
American Airlines
STL
1:00a
BOS
6:00a
5h 00m
1 stop
BOS
4:25a
STL
9:56a
5h 31m
1 stop
Depart: Sat Feb 18 2017 Return: Wed Feb 22 2017 Trip spans 5 days
United
United
STL
10:05a
BOS
2:42p
4h 37m
1 stop
BOS
1:00a
STL
6:59a
5h 59m
1 stop
Depart: Thu Dec 8 2016 Return: Thu Dec 15 2016 Trip spans 8 days
Major Airline
Major Airline
STL
12:00a
BOS
1:05a
1h 05m
nonstop
BOS
8:00a
STL
11:05a
3h 05m
nonstop
Depart: Wed Feb 1 2017 Return: Thu Feb 2 2017 Trip spans 2 days
American Airlines
American Airlines
STL
1:00a
BOS
6:00a
5h 00m
1 stop
BOS
4:25a
STL
9:56a
5h 31m
1 stop
Depart: Mon Feb 20 2017 Return: Wed Feb 22 2017 Trip spans 3 days
United
United
STL
3:20a
BOS
8:07a
4h 47m
1 stop
BOS
1:18p
STL
6:24p
5h 06m
1 stop
Depart: Thu Feb 2 2017 Return: Sat Feb 4 2017 Trip spans 3 days
American Airlines
American Airlines
STL
1:00a
BOS
6:00a
5h 00m
1 stop
BOS
4:20a
STL
11:45a
7h 25m
1 stop
Depart: Fri Feb 17 2017 Return: Mon Feb 20 2017 Trip spans 4 days
Major Airline
Major Airline
STL
12:00a
BOS
1:05a
1h 05m
1 stop
BOS
12:00a
STL
3:05a
3h 05m
1 stop
Depart: Sat Feb 4 2017 Return: Tue Feb 7 2017 Trip spans 4 days
American Airlines
American Airlines
STL
1:20p
BOS
6:10p
4h 50m
1 stop
BOS
4:25a
STL
9:56a
5h 31m
1 stop
Depart: Mon Feb 6 2017 Return: Tue Feb 7 2017 Trip spans 2 days
American Airlines
American Airlines
STL
1:00a
BOS
6:00a
5h 00m
1 stop
BOS
2:25a
STL
8:14a
5h 49m
1 stop
Depart: Wed Mar 1 2017 Return: Sat Mar 4 2017 Trip spans 4 days
United
United
STL
1:35a
BOS
7:46a
6h 11m
1 stop
BOS
4:35a
STL
12:13p
7h 38m
1 stop
Depart: Fri Jan 13 2017 Return: Mon Jan 16 2017 Trip spans 4 days
Major Airline
Major Airline
STL
12:00a
BOS
1:05a
1h 05m
nonstop
BOS
12:00a
STL
3:05a
3h 05m
nonstop
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
2478 8:15 am 11:40 am Jan 3 - Jan 4
2478 8:15 am 11:40 am Dec 4 - Dec 18
2478 8:15 am 11:40 am Jan 1 - Jan 1
2478 8:15 am 11:40 am Dec 1 - Dec 20
4067 8:15 am 11:40 am Dec 25 - Dec 25
6369 8:15 am 11:40 am Dec 17 - Dec 17
1578 8:20 am 11:50 am Jan 6 - Feb 13
586 8:20 am 11:50 am Jan 5 - Jan 5
6034 8:20 am 11:45 am Dec 21 - Jan 2
3498 10:45 am 2:15 pm Jan 8 - Jan 29
5047 11:35 am 3:00 pm Dec 3 - Dec 10
6313 11:35 am 3:00 pm Dec 31 - Dec 31
767 11:35 am 3:00 pm Dec 24 - Dec 24
5089 11:55 am 3:25 pm Jan 7 - Mar 4
1263 12:00 pm 3:25 pm Dec 22 - Jan 2
1263 12:00 pm 3:25 pm Dec 21 - Dec 21
5020 6:00 pm 9:30 pm Jan 7 - Mar 4
5636 6:30 pm 9:55 pm Dec 3 - Dec 10
1562 7:10 pm 10:35 pm Dec 17 - Dec 17
3899 7:25 pm 10:50 pm Dec 25 - Dec 25
3903 7:40 pm 11:10 pm Jan 5 - Mar 8
1059 7:45 pm 11:10 pm Dec 1 - Dec 14
1059 7:45 pm 11:10 pm Jan 4 - Jan 4
4592 8:05 pm 11:30 pm Dec 21 - Jan 2
1633 8:10 pm 11:35 pm Dec 4 - Dec 11
1633 8:10 pm 11:35 pm Dec 15 - Dec 20
1633 8:10 pm 11:35 pm Jan 1 - Jan 3
* 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

St. Louis
$198
Destination

Boston
$198