Find Cheap Flights from Costa Rica to Boston Logan International

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.
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Book cheap flights from Costa Rica to Boston Logan International

(Round-trip)
Depart: Wed Sep 13 2017 Return: Wed Sep 27 2017 Trip spans 15 days
United
United
LIR
8:35a
BOS
7:00p
10h 25m
1 stop
BOS
2:38p
LIR
9:35a
18h 57m
1 stop
Depart: Tue Sep 19 2017 Return: Fri Sep 29 2017 Trip spans 11 days
Spirit Airlines
Spirit Airlines
SJO
9:10p
BOS
6:36a
9h 26m
1 stop
BOS
2:24p
SJO
10:19p
7h 55m
1 stop
Depart: Thu Jan 18 2018 Return: Wed Jan 24 2018 Trip spans 7 days
American Airlines
American Airlines
SJO
10:35a
BOS
6:13p
7h 38m
1 stop
BOS
1:15a
SJO
10:30a
9h 15m
1 stop
Depart: Thu Sep 14 2017 Return: Sun Sep 24 2017 Trip spans 11 days
Delta
Delta
SJO
3:05a
BOS
6:55p
15h 50m
1 stop
BOS
2:15a
SJO
9:49a
7h 34m
1 stop
Depart: Tue Dec 5 2017 Return: Tue Dec 12 2017 Trip spans 8 days
JetBlue
JetBlue
SJO
9:45a
BOS
5:59p
8h 14m
1 stop
BOS
12:25a
SJO
9:45a
9h 20m
1 stop
Depart: Sun Oct 22 2017 Return: Wed Nov 1 2017 Trip spans 11 days
Avianca
Avianca
SJO
8:20a
BOS
4:02p
31h 42m
2 stops
BOS
8:27p
SJO
7:30p
23h 03m
2 stops
Depart: Thu Dec 28 2017 Return: Wed Jan 3 2018 Trip spans 7 days
Copa Airlines
Copa Airlines
SJO
12:51a
BOS
12:10p
11h 19m
1 stop
BOS
3:06a
SJO
5:13a
26h 07m
1 stop
Depart: Tue Sep 26 2017 Return: Mon Oct 2 2017 Trip spans 7 days
Spirit Airlines
Spirit Airlines
SJO
8:35a
BOS
6:43p
10h 08m
2 stops
BOS
1:05a
SJO
9:35a
8h 30m
2 stops
Depart: Wed Sep 27 2017 Return: Tue Oct 10 2017 Trip spans 14 days
Spirit Airlines
Spirit Airlines
SJO
8:35a
BOS
6:43p
10h 08m
2 stops
BOS
5:30a
SJO
10:19p
16h 49m
2 stops
Depart: Fri Sep 15 2017 Return: Mon Sep 18 2017 Trip spans 4 days
United
United
LIR
8:35a
BOS
7:00p
10h 25m
1 stop
BOS
2:38p
LIR
9:35a
18h 57m
1 stop
Depart: Mon Jan 22 2018 Return: Mon Jan 29 2018 Trip spans 8 days
American Airlines
American Airlines
SJO
10:35a
BOS
4:09a
17h 34m
1 stop
BOS
3:05a
SJO
10:30a
7h 25m
1 stop
Depart: Thu Oct 5 2017 Return: Sat Oct 7 2017 Trip spans 3 days
Spirit Airlines
Spirit Airlines
SJO
8:35a
BOS
6:43p
10h 08m
2 stops
BOS
2:24p
SJO
10:19p
7h 55m
1 stop
Depart: Thu Sep 7 2017 Return: Sun Sep 10 2017 Trip spans 4 days
United
United
LIR
8:35a
BOS
11:53a
27h 18m
1 stop
BOS
3:18a
LIR
9:35a
30h 17m
1 stop
Depart: Tue Jan 2 2018 Return: Wed Jan 10 2018 Trip spans 9 days
Air Canada
Air Canada
SJO
4:15a
BOS
2:05a
21h 50m
1 stop
BOS
7:55a
SJO
5:15p
9h 20m
1 stop
Depart: Thu Oct 26 2017 Return: Wed Nov 1 2017 Trip spans 7 days
Avianca
Avianca
SJO
1:00p
BOS
4:02p
27h 02m
2 stops
BOS
8:27p
SJO
7:30p
23h 03m
2 stops
Depart: Tue Jan 23 2018 Return: Mon Jan 29 2018 Trip spans 7 days
American Airlines
American Airlines
SJO
10:35a
BOS
6:13p
7h 38m
1 stop
BOS
12:00a
SJO
10:30a
10h 30m
1 stop
Depart: Tue Oct 17 2017 Return: Sun Oct 22 2017 Trip spans 6 days
Spirit Airlines
Spirit Airlines
SJO
9:10p
BOS
6:36a
9h 26m
1 stop
BOS
1:05a
SJO
9:35a
8h 30m
2 stops
Depart: Fri Dec 1 2017 Return: Sat Dec 9 2017 Trip spans 9 days
Avianca
Avianca
SJO
9:55p
BOS
3:02p
17h 07m
1 stop
BOS
6:27p
SJO
8:35p
26h 08m
1 stop
Depart: Wed Jan 24 2018 Return: Wed Jan 31 2018 Trip spans 8 days
American Airlines
American Airlines
SJO
10:35a
BOS
4:09a
17h 34m
1 stop
BOS
12:00a
SJO
10:30a
10h 30m
1 stop
Depart: Wed Feb 14 2018 Return: Wed Feb 21 2018 Trip spans 8 days
United
United
SJO
2:00a
BOS
12:00p
10h 00m
1 stop
BOS
11:50a
SJO
7:30a
19h 40m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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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

Liberia
$321
San Jose
$344
Destination

Boston
$321