$280+ Cheap flights from Boston (BOS) to Spain
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/29. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — MAD
Jul 23 — Jul 301
Round-trip
1 adult, Economy
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Cheapest flights from Boston to SpainExplore the most affordable flight options available from Boston to Spain. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 23, 2026.
Explore the most affordable flight options available from Boston to Spain. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 23, 2026.
This LEVEL deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/411:35 pm
BOS
- AGP
1 stop19h 50m
LEVEL
Thu 10/226:45 am
AGP
- BOS
1 stop20h 20m
LEVEL
Deal found 6/19![LEVEL logo]()
$437
This LEVEL deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2011:35 pm
BOS
- IBZ
1 stop13h 35m
LEVEL
Thu 9/247:00 am
IBZ
- BOS
1 stop20h 05m
LEVEL
Deal found 6/21![LEVEL logo]()
$459
This Iberia deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2011:35 pm
BOS
- IBZ
1 stop13h 35m
Iberia
Thu 9/247:00 am
IBZ
- BOS
1 stop20h 05m
Iberia
Deal found 6/21![Iberia logo]()
$469
This Kiwi.com deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/411:35 pm
BOS
- AGP
1 stop10h 40m
Multiple Airlines
Thu 10/222:35 pm
AGP
- BOS
1 stop12h 30m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$471
This Kiwi.com deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/411:35 pm
BOS
- SVQ
1 stop27h 20m
Multiple Airlines
Wed 10/2111:10 pm
SVQ
- BOS
1 stop27h 55m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$472
This Kiwi.com deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/411:35 pm
BOS
- SVQ
1 stop27h 20m
Multiple Airlines
Thu 10/227:30 am
SVQ
- BOS
1 stop19h 35m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$477
This LEVEL deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/411:35 pm
BOS
- SVQ
1 stop27h 20m
LEVEL
Sat 10/1710:55 pm
SVQ
- BOS
1 stop28h 50m
LEVEL
Deal found 6/21![LEVEL logo]()
$479
This LEVEL deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/710:55 pm
BOS
- SVQ
1 stop18h 50m
LEVEL
Wed 10/219:40 pm
SVQ
- BOS
1 stop29h 25m
LEVEL
Deal found 6/19![LEVEL logo]()
$480
This LEVEL deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/710:55 pm
BOS
- AGP
1 stop19h 55m
LEVEL
Wed 10/2111:05 pm
AGP
- BOS
1 stop28h 00m
LEVEL
Deal found 6/19![LEVEL logo]()
$481
This LEVEL deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/411:35 pm
BOS
- AGP
1 stop29h 05m
LEVEL
Tue 10/139:20 pm
AGP
- BOS
1 stop29h 45m
LEVEL
Deal found 6/19![LEVEL logo]()
$487
This LEVEL deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/710:55 pm
BOS
- IBZ
1 stop10h 20m
LEVEL
Wed 10/147:00 am
IBZ
- BOS
1 stop20h 05m
LEVEL
Deal found 6/22![LEVEL logo]()
$488
This Iberia deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2011:35 pm
BOS
- AGP
1 stop16h 45m
Iberia
Wed 10/149:15 am
AGP
- BOS
1 stop17h 50m
Iberia
Deal found 6/22![Iberia logo]()
$494
Best flights from Boston to SpainDiscover carefully curated flight deals from Boston to Spain that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 23, 2026.
Discover carefully curated flight deals from Boston to Spain that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 23, 2026.
This LEVEL deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2011:35 pm
BOS
- IBZ
1 stop13h 35m
LEVEL
Thu 9/247:00 am
IBZ
- BOS
1 stop20h 05m
LEVEL
Deal found 6/21![LEVEL logo]()
$459
This Turkish Airlines deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/249:50 pm
BOS
- BCN
1 stop33h 40m
Turkish Airlines
Wed 9/307:05 pm
BCN
- BOS
1 stop30h 50m
Turkish Airlines
Deal found 6/18![Turkish Airlines logo]()
$682
This United Airlines deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/188:25 pm
BOS
- BCN
1 stop30h 35m
United Airlines
Wed 10/2812:35 pm
BCN
- BOS
1 stop26h 02m
United Airlines
Deal found 6/22![United Airlines logo]()
$686
This Delta deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/65:35 pm
BOS
- MAD
Nonstop6h 45m
Delta
Tue 10/2711:55 am
MAD
- BOS
1 stop16h 53m
Delta
Deal found 6/19![Delta logo]()
$688
This TAP AIR PORTUGAL deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2410:45 pm
BOS
- BCN
2 stops12h 30m
TAP AIR PORTUGAL
Tue 12/86:45 am
BCN
- BOS
2 stops20h 00m
TAP AIR PORTUGAL
Deal found 6/20![TAP AIR PORTUGAL logo]()
$689
This KLM deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/187:25 pm
BOS
- BCN
Nonstop7h 10m
KLM
Wed 8/263:15 pm
BCN
- BOS
Nonstop8h 26m
KLM
Deal found 6/20![KLM logo]()
$745
This Virgin Atlantic deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/104:25 pm
BOS
- BCN
1 stop14h 25m
Virgin Atlantic
Fri 8/213:15 pm
BCN
- BOS
Nonstop8h 26m
Virgin Atlantic
Deal found 6/20![Virgin Atlantic logo]()
$750
This Finnair deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/49:50 pm
BOS
- PMI
1 stop14h 00m
Multiple Airlines
Thu 9/108:35 pm
PMI
- BOS
2 stops32h 53m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$763
This Lufthansa deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/168:05 pm
BOS
- IBZ
1 stop15h 55m
Lufthansa
Tue 9/110:55 am
IBZ
- BOS
2 stops19h 04m
Lufthansa
Deal found 6/22![Lufthansa logo]()
$787
This LEVEL deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1111:35 pm
BOS
- AGP
1 stop27h 20m
LEVEL
Sun 10/186:35 am
AGP
- BOS
1 stop21h 10m
LEVEL
Deal found 6/18![LEVEL logo]()
$534
This Brussels Airlines deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Brussels Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/193:35 pm
BOS
- PMI
3 stops66h 55m
Brussels Airlines
Tue 8/258:55 am
PMI
- BOS
2 stops14h 45m
Brussels Airlines
Deal found 6/18![Brussels Airlines logo]()
$1,085
This Condor deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/104:45 pm
BOS
- PMI
1 stop13h 25m
Condor
Tue 9/157:50 am
PMI
- BOS
1 stop12h 55m
Condor
Deal found 6/22![Condor logo]()
$1,100
This Delta deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/95:35 pm
BOS
- MAD
Nonstop6h 45m
Delta
Thu 10/159:50 am
MAD
- BOS
1 stop21h 08m
Delta
Deal found 6/18![Delta logo]()
$690
This United Airlines deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/217:00 pm
BOS
- MAD
1 stop32h 00m
United Airlines
Sat 9/2612:45 pm
MAD
- BOS
1 stop31h 56m
United Airlines
Deal found 6/20![United Airlines logo]()
$694
This TAP AIR PORTUGAL deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/510:10 pm
BOS
- MAD
1 stop9h 55m
TAP AIR PORTUGAL
Mon 11/166:00 pm
MAD
- BOS
1 stop26h 40m
TAP AIR PORTUGAL
Deal found 6/18![TAP AIR PORTUGAL logo]()
$698
This KLM deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/115:10 pm
BOS
- SVQ
1 stop17h 20m
KLM
Fri 8/2111:00 am
SVQ
- BOS
1 stop13h 30m
KLM
Deal found 6/17![KLM logo]()
$759
This Delta deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/161:32 pm
BOS
- AGP
2 stops16h 13m
Delta
Tue 9/225:55 am
AGP
- BOS
2 stops20h 20m
Delta
Deal found 6/20![Delta logo]()
$693
This Air France deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/165:30 pm
BOS
- IBZ
1 stop10h 00m
Multiple Airlines
Mon 9/219:20 pm
IBZ
- BOS
1 stop25h 15m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$764
This United Airlines deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/25:45 am
BOS
- MAD
1 stop20h 20m
United Airlines
Thu 10/811:15 am
MAD
- BOS
1 stop13h 51m
United Airlines
Deal found 6/17![United Airlines logo]()
$695
This Cheapflightsfares deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/168:05 pm
BOS
- IBZ
1 stop15h 30m
Lufthansa
Mon 9/216:45 pm
IBZ
- BOS
2 stops26h 55m
Lufthansa
Deal found 6/20![Lufthansa logo]()
$806
This TAP AIR PORTUGAL deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/66:00 pm
BOS
- BCN
1 stop10h 05m
TAP AIR PORTUGAL
Tue 11/176:45 am
BCN
- BOS
1 stop13h 55m
TAP AIR PORTUGAL
Deal found 6/18![TAP AIR PORTUGAL logo]()
$741
This LEVEL deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2711:35 pm
BOS
- IBZ
1 stop17h 25m
LEVEL
Wed 9/29:10 pm
IBZ
- BOS
1 stop29h 55m
LEVEL
Deal found 6/22![LEVEL logo]()
$751
This Delta deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/65:30 pm
BOS
- MAD
Nonstop6h 50m
Delta
Sat 9/122:35 pm
MAD
- BOS
Nonstop8h 00m
Delta
Deal found 6/20![Delta logo]()
$699
This United Airlines deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2912:36 pm
BOS
- MAD
1 stop14h 24m
United Airlines
Tue 10/610:50 am
MAD
- BOS
2 stops29h 42m
United Airlines
Deal found 6/20![United Airlines logo]()
$700
This KLM deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/47:25 pm
BOS
- BCN
Nonstop7h 10m
KLM
Thu 8/133:15 pm
BCN
- BOS
Nonstop8h 26m
KLM
Deal found 6/20![KLM logo]()
$800
This United deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/49:25 am
BOS
- BIO
2 stops26h 30m
Multiple Airlines
Mon 7/139:10 pm
BIO
- BOS
1 stop28h 45m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$832
This TAP AIR PORTUGAL deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/186:05 pm
BOS
- AGP
1 stop9h 30m
TAP AIR PORTUGAL
Thu 10/223:25 pm
AGP
- BOS
1 stop10h 55m
TAP AIR PORTUGAL
Deal found 6/20![TAP AIR PORTUGAL logo]()
$759
This Delta deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/55:35 pm
BOS
- MAD
Nonstop6h 45m
Delta
Thu 10/82:35 pm
MAD
- BOS
Nonstop8h 05m
Delta
Deal found 6/17![Delta logo]()
$701
This Cheapflightsfares deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/25:45 pm
BOS
- IBZ
2 stops17h 50m
Lufthansa
Mon 9/76:45 pm
IBZ
- BOS
2 stops26h 55m
Lufthansa
Deal found 6/22![Lufthansa logo]()
$849
This United Airlines deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/136:50 pm
BOS
- MAD
1 stop30h 00m
United Airlines
Wed 8/1910:50 am
MAD
- BOS
1 stop11h 52m
United Airlines
Deal found 6/17![United Airlines logo]()
$712
Last-minute flights from Boston to SpainDiscover last-minute flight deals from Boston to Spain. Data last updated June 23, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Spain. Data last updated June 23, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/234:45 pm
BOS
- BCN
1 stop23h 25m
Condor
Thu 7/98:00 am
BCN
- BOS
1 stop12h 45m
Condor
Deal found 6/20![Condor logo]()
$592
This Booking.com deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/234:45 pm
BOS
- BCN
1 stop10h 45m
Condor
Sat 6/278:00 am
BCN
- BOS
1 stop12h 45m
Condor
Deal found 6/18![Condor logo]()
$626
This Expedia deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/24:45 pm
BOS
- BCN
1 stop23h 25m
Condor
Thu 7/98:00 am
BCN
- BOS
1 stop12h 45m
Condor
Deal found 6/21![Condor logo]()
$644
This Expedia deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/34:45 pm
BOS
- BCN
1 stop17h 20m
Condor
Thu 7/98:00 am
BCN
- BOS
1 stop12h 45m
Condor
Deal found 6/22![Condor logo]()
$634
This CheapOair deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/44:45 pm
BOS
- BCN
1 stop17h 20m
Condor
Fri 8/78:00 am
BCN
- BOS
1 stop12h 45m
Condor
Deal found 6/21![Condor logo]()
$641
This Expedia deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/94:45 pm
BOS
- BCN
1 stop17h 20m
Condor
Thu 7/168:00 am
BCN
- BOS
1 stop12h 45m
Condor
Deal found 6/19![Condor logo]()
$605
This Kiwi.com deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/298:50 pm
BOS
- AGP
2 stops16h 40m
Multiple Airlines
Wed 9/211:25 pm
AGP
- BOS
1 stop27h 40m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$584
This Kiwi.com deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2910:55 pm
BOS
- BCN
Nonstop7h 05m
LEVEL
Thu 9/36:30 pm
BCN
- BOS
Nonstop8h 35m
LEVEL
Deal found 6/18![LEVEL logo]()
$610
This Kiwi.com deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/298:50 pm
BOS
- AGP
2 stops16h 40m
Multiple Airlines
Thu 9/32:30 pm
AGP
- BOS
1 stop12h 35m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$623
This Kiwi.com deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/3011:35 pm
BOS
- BCN
Nonstop7h 05m
LEVEL
Thu 9/36:30 pm
BCN
- BOS
Nonstop8h 35m
LEVEL
Deal found 6/18![LEVEL logo]()
$595
This Expedia deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/304:45 pm
BOS
- BCN
1 stop10h 40m
Condor
Wed 8/128:00 am
BCN
- BOS
1 stop12h 45m
Condor
Deal found 6/20![Condor logo]()
$615
This Condor deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/304:45 pm
BOS
- BCN
1 stop23h 25m
Condor
Fri 8/78:00 am
BCN
- BOS
1 stop12h 45m
Condor
Deal found 6/20![Condor logo]()
$640
One-way flights from Boston to SpainSearch for one-way flight options from Boston to Spain. Find affordable one-way fares based on user searches. Data last updated June 23, 2026.
Search for one-way flight options from Boston to Spain. Find affordable one-way fares based on user searches. Data last updated June 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/298:50 pm
BOS
- PMI
2 stops20h 45m
Multiple Airlines
Deal found 6/20![Multiple Airlines logo]()
$280
This Kiwi.com deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2110:04 am
BOS
- BIO
2 stops30h 36m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$281
This Kiwi.com deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/208:50 pm
BOS
- PMI
2 stops22h 15m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$281
This LEVEL deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2110:55 pm
BOS
- SVQ
1 stop18h 50m
LEVEL
Deal found 6/18![LEVEL logo]()
$281
This Kiwi.com deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1811:35 pm
BOS
- SVQ
1 stop16h 55m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$284
This Kiwi.com deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/267:50 pm
BOS
- AGP
2 stops32h 25m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$287
This Kiwi.com deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/187:10 am
BOS
- AGP
2 stops35h 55m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$289
This Kiwi.com deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/198:50 pm
BOS
- PMI
3 stops43h 45m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$290
This Kiwi.com deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/511:00 pm
BOS
- PMI
2 stops40h 00m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$292
This Kiwi.com deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/188:37 am
BOS
- PMI
3 stops30h 38m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$293
This Kiwi.com deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/138:50 pm
BOS
- SVQ
2 stops17h 45m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$300
This Kiwi.com deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1911:00 pm
BOS
- AGP
2 stops19h 55m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$301
Find flight deals from Boston to Spain
Keep the following information in mind while searching for Boston to Spain flight deals. Data was last updated June 23, 2026.
Round-trip from | $437 (LEVEL) |
|---|---|
One-way from | $280 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $859 |
Good round-trip deal | $477 or less |
Good one-way deal | $385 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Boston to Spain that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 23, 2026.
Use the filters below to find and compare flights from Boston to Spain that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BostonIbiza
BOS - IBZ
BOSIBZ
Boston Logan Intl
Sun 9/20
11:35 pm-7:10 pm
1 stop13h 35m
Ibiza
Thu 9/24
7:00 am-9:05 pm
1 stop20h 05m
$459
BostonMálaga
BOS - AGP
BOSAGP
Boston Logan Intl
Sun 10/11
11:35 pm-8:55 am
1 stop27h 20m
Malaga
Sun 10/18
6:35 am-9:45 pm
1 stop21h 10m
$534
BostonBarcelona
BOS - BCN
BOSBCN
Boston Logan Intl
Thu 9/24
9:50 pm-1:30 pm
1 stop33h 40m
Barcelona-El Prat
Wed 9/30
7:05 pm-7:55 pm
1 stop30h 50m
$682
BostonBarcelona
BOS - BCN
BOSBCN
Boston Logan Intl
Sun 10/18
8:25 pm-9:00 am
1 stop30h 35m
Barcelona-El Prat
Wed 10/28
12:35 pm-9:37 am
1 stop26h 02m
$686
BostonMadrid
BOS - MAD
BOSMAD
Boston Logan Intl
Tue 10/6
5:35 pm-6:20 am
Nonstop6h 45m
Madrid Barajas
Tue 10/27
11:55 am-11:48 pm
1 stop16h 53m
$688
BostonBarcelona
BOS - BCN
BOSBCN
Boston Logan Intl
Tue 11/24
10:45 pm-5:15 pm
2 stops12h 30m
Barcelona-El Prat
Tue 12/8
6:45 am-8:45 pm
2 stops20h 00m
$689
BostonMadrid
BOS - MAD
BOSMAD
Boston Logan Intl
Fri 10/9
5:35 pm-6:20 am
Nonstop6h 45m
Madrid Barajas
Thu 10/15
9:50 am-12:58 am
1 stop21h 08m
$690
BostonMálaga
BOS - AGP
BOSAGP
Boston Logan Intl
Wed 9/16
1:32 pm-11:45 am
2 stops16h 13m
Malaga
Tue 9/22
5:55 am-8:15 pm
2 stops20h 20m
$693
BostonMadrid
BOS - MAD
BOSMAD
Boston Logan Intl
Mon 9/21
7:00 pm-9:00 am
1 stop32h 00m
Madrid Barajas
Sat 9/26
12:45 pm-2:41 pm
1 stop31h 56m
$694
BostonMadrid
BOS - MAD
BOSMAD
Boston Logan Intl
Fri 10/2
5:45 am-8:05 am
1 stop20h 20m
Madrid Barajas
Thu 10/8
11:15 am-7:06 pm
1 stop13h 51m
$695
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Boston to Spain
Have a flexible travel schedule? Discover the best time to fly to Spain from Boston with our price prediction graph.
BOS-PMI
BOS-BIO
BOS-SVQ
BOS-AGP
BOS-MAD
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Boston to Spain
BOS-ES0
BOS-PMI
BOS-BIO
BOS-SVQ
BOS-AGP
What is the cheapest month to book a flight from Boston to Spain?
Currently, January is the cheapest month in which you can book a flight from Boston to Spain (average of $480). Flying from Boston to Spain in June is currently the most expensive (average of $911). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from BOS to ES?
Find hourly flight availability from Boston to Spain. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 23, 2026.
When flying from Boston to Spain, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Weekly flight availability from Boston to Spain
Explore weekly flight availability from Boston to Spain. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 23, 2026.
The most flights from BOS to ES0 are scheduled on a Monday (14 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (5 on average).
How often are flights from Boston to Spain delayed?
About 11% of weekly flights between Boston and Spain have experienced delays in the past year, with the average delay time being 138 minutes.
What is the most punctual flight time for Boston to Spain flights?
Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Wednesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Boston to Spain flights?
Over the last year, Iberia have had the lowest number of delays on this route, with just 6% of flights being delayed.
How far ahead should I book a flight from Boston to Spain?
To ensure you get the cheapest price possible for a flight from Boston to Spain, you should look to book at least 72 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Reviews of airlines servicing Spain
Get insights into the airlines that provide service to Spain. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Spain. Reviews last updated June 23, 2026.
See what other customers who have flown with Delta,TAP AIR PORTUGAL, andAmerican Airlines from Boston to Spain have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Overall
7.8
Food
7.2
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Overall
7.8
Food
7.2
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Overall
7.8
Food
7.2
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Overall
7.8
Food
7.2
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Overall
7.8
Food
7.2
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from Boston to Spain. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Boston to Spain
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Spain by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Boston to Spain by cabin class
Find flights from Boston to Spain, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Boston and Spain flights
Browse other Boston and Spain flight options. Last updated on June 23, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Boston to Spain flights
Consider these flights traveling from Boston to Spain.
Fly to Spain regions
Consider these flights traveling to Spain regions.
Top 10 airlines flying from Boston to Spain
Discover the top 10 airlines that operate flights from Boston to Spain. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$257 | Average$375 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$311 | Average$832 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$330 | Average$685 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$337 | Average$545 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$352 | Average$410 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$365 | Average$713 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$371 | Average$651 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$373 | Average$633 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$374 | Average$529 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$377 | Average$645 | FlexibilityNo cancel fee | On-timeN/A |