$290+ 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 9/18. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — MAD
Jun 11 — Jun 181
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 May 12, 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 May 12, 2026.
This LEVEL deal was found by Cheapflights users on 5/12. 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 7/511:35 pm
BOS
- IBZ
1 stop27h 20m
LEVEL
Wed 7/811:50 pm
IBZ
- BOS
1 stop27h 55m
LEVEL
Deal found 5/12![LEVEL logo]()
$488
This Iberia deal was found by Cheapflights users on 5/12. 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 7/511:35 pm
BOS
- IBZ
1 stop16h 30m
Iberia
Wed 7/87:00 am
IBZ
- BOS
1 stop20h 05m
Iberia
Deal found 5/12![Iberia logo]()
$498
This LEVEL deal was found by Cheapflights users on 5/9. 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 9/2711:35 pm
BOS
- PMI
1 stop26h 20m
LEVEL
Thu 10/17:20 am
PMI
- BOS
1 stop19h 45m
LEVEL
Deal found 5/9![LEVEL logo]()
$534
This LEVEL deal was found by Cheapflights users on 5/10. 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 9/1610:55 pm
BOS
- PMI
1 stop17h 40m
LEVEL
Sun 9/206:45 am
PMI
- BOS
1 stop21h 00m
LEVEL
Deal found 5/10![LEVEL logo]()
$536
This Mytrip deal was found by Cheapflights users on 5/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/138:50 pm
BOS
- BCN
1 stop11h 55m
Icelandair
Fri 9/253:45 pm
BCN
- BOS
1 stop12h 00m
Icelandair
Deal found 5/10![Icelandair logo]()
$551
This Mytrip deal was found by Cheapflights users on 5/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/178:50 pm
BOS
- BCN
1 stop11h 55m
Icelandair
Tue 9/223:45 pm
BCN
- BOS
1 stop33h 05m
Icelandair
Deal found 5/11![Icelandair logo]()
$552
This FlightHub deal was found by Cheapflights users on 5/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/288:50 pm
BOS
- BCN
1 stop11h 55m
Icelandair
Mon 10/53:45 pm
BCN
- BOS
1 stop33h 05m
Icelandair
Deal found 5/10![Icelandair logo]()
$553
This oojo deal was found by Cheapflights users on 5/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/148:50 pm
BOS
- BCN
1 stop11h 55m
Icelandair
Sat 9/263:45 pm
BCN
- BOS
1 stop12h 00m
Icelandair
Deal found 5/11![Icelandair logo]()
$554
This LEVEL deal was found by Cheapflights users on 5/7. 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 9/3010:55 pm
BOS
- PMI
1 stop19h 30m
LEVEL
Sun 10/48:35 am
PMI
- BOS
1 stop19h 10m
LEVEL
Deal found 5/7![LEVEL logo]()
$555
This deal was found by Cheapflights users on 5/10. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/178:50 pm
BOS
- BCN
1 stop11h 55m
Icelandair
Wed 9/233:45 pm
BCN
- BOS
1 stop12h 00m
Icelandair
Deal found 5/10![Icelandair logo]()
$555
This oojo deal was found by Cheapflights users on 5/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/118:50 pm
BOS
- BCN
1 stop11h 55m
Icelandair
Fri 9/253:45 pm
BCN
- BOS
1 stop33h 05m
Icelandair
Deal found 5/10![Icelandair logo]()
$556
This FlightHub deal was found by Cheapflights users on 5/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/148:50 pm
BOS
- BCN
1 stop11h 55m
Icelandair
Sat 9/193:45 pm
BCN
- BOS
1 stop12h 00m
Icelandair
Deal found 5/10![Icelandair logo]()
$558
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 May 12, 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 May 12, 2026.
This LEVEL deal was found by Cheapflights users on 5/11. 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 9/1710:55 pm
BOS
- SVQ
1 stop28h 00m
LEVEL
Tue 9/227:40 pm
SVQ
- BOS
1 stop31h 25m
LEVEL
Deal found 5/11![LEVEL logo]()
$599
This United Airlines deal was found by Cheapflights users on 5/11. 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 9/135:50 am
BOS
- PMI
1 stop20h 40m
United Airlines
Thu 9/2412:15 pm
PMI
- BOS
2 stops30h 32m
United Airlines
Deal found 5/11![United Airlines logo]()
$627
This Delta deal was found by Cheapflights users on 5/11. 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 8/318:45 pm
BOS
- AGP
2 stops15h 55m
Delta
Fri 9/1112:40 pm
AGP
- BOS
1 stop12h 55m
Delta
Deal found 5/11![Delta logo]()
$645
This British Airways deal was found by Cheapflights users on 5/11. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/149:50 pm
BOS
- PMI
1 stop15h 45m
British Airways
Fri 9/252:15 pm
PMI
- BOS
1 stop11h 50m
British Airways
Deal found 5/11![British Airways logo]()
$654
This Cheapflightsfares deal was found by Cheapflights users on 5/7. 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.
Fri 9/49:40 pm
BOS
- AGP
1 stop20h 25m
SWISS
Wed 9/161:15 pm
AGP
- BOS
1 stop12h 40m
SWISS
Deal found 5/7![SWISS logo]()
$659
This Scandinavian Airlines deal was found by Cheapflights users on 5/10. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/265:40 pm
BOS
- AGP
2 stops34h 50m
Scandinavian Airlines
Mon 8/318:05 pm
AGP
- BOS
2 stops25h 30m
Scandinavian Airlines
Deal found 5/10![Scandinavian Airlines logo]()
$683
This KLM deal was found by Cheapflights users on 5/7. 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.
Sat 9/195:30 pm
BOS
- PMI
1 stop16h 25m
KLM
Sat 9/267:05 am
PMI
- BOS
1 stop16h 40m
KLM
Deal found 5/7![KLM logo]()
$689
This KLM deal was found by Cheapflights users on 5/7. 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.
Wed 9/25:30 pm
BOS
- IBZ
1 stop10h 00m
Multiple Airlines
Mon 9/72:55 pm
IBZ
- BOS
1 stop31h 40m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$732
This Virgin Atlantic deal was found by Cheapflights users on 5/11. 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.
Sat 8/297:25 pm
BOS
- BCN
Nonstop7h 10m
Virgin Atlantic
Mon 9/73:15 pm
BCN
- BOS
Nonstop8h 30m
Virgin Atlantic
Deal found 5/11![Virgin Atlantic logo]()
$797
This Justfly.com deal was found by Cheapflights users on 5/7. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/295:45 pm
BOS
- TFS
1 stop17h 15m
Lufthansa
Mon 6/810:40 am
TFS
- BOS
2 stops34h 00m
Lufthansa
Deal found 5/7![Lufthansa logo]()
$993
This Cheapflightsfares deal was found by Cheapflights users on 5/8. 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.
Fri 5/2910:35 am
BOS
- TFS
2 stops25h 40m
Brussels Airlines
Fri 6/56:10 pm
TFS
- BOS
2 stops26h 30m
Brussels Airlines
Deal found 5/8![Brussels Airlines logo]()
$1,025
This United Airlines deal was found by Cheapflights users on 5/8. 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 7/38:26 pm
BOS
- PMI
1 stop27h 49m
United Airlines
Thu 9/1012:15 pm
PMI
- BOS
1 stop32h 26m
United Airlines
Deal found 5/8![United Airlines logo]()
$649
This British Airways deal was found by Cheapflights users on 5/11. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/179:50 pm
BOS
- PMI
1 stop13h 05m
British Airways
Tue 9/223:40 pm
PMI
- BOS
1 stop12h 55m
British Airways
Deal found 5/11![British Airways logo]()
$674
This KLM deal was found by Cheapflights users on 5/8. 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.
Fri 5/154:35 pm
BOS
- MAD
1 stop10h 55m
KLM
Mon 5/256:00 am
MAD
- BOS
1 stop13h 10m
KLM
Deal found 5/8![KLM logo]()
$691
This LEVEL deal was found by Cheapflights users on 5/12. 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 10/110:55 pm
BOS
- SVQ
1 stop29h 55m
LEVEL
Sun 10/116:40 am
SVQ
- BOS
1 stop21h 05m
LEVEL
Deal found 5/12![LEVEL logo]()
$695
This Scandinavian Airlines deal was found by Cheapflights users on 5/11. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/25:35 pm
BOS
- SVQ
1 stop17h 50m
Scandinavian Airlines
Tue 11/106:15 pm
SVQ
- BOS
2 stops34h 11m
Scandinavian Airlines
Deal found 5/11![Scandinavian Airlines logo]()
$713
This Delta deal was found by Cheapflights users on 5/10. 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 9/187:05 pm
BOS
- BCN
1 stop10h 10m
Delta
Sat 10/33:15 pm
BCN
- BOS
Nonstop8h 30m
Delta
Deal found 5/10![Delta logo]()
$716
This United Airlines deal was found by Cheapflights users on 5/8. 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 7/58:26 pm
BOS
- PMI
1 stop27h 49m
United Airlines
Sat 9/121:10 pm
PMI
- BOS
1 stop26h 40m
United Airlines
Deal found 5/8![United Airlines logo]()
$684
This KLM deal was found by Cheapflights users on 5/7. 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.
Fri 5/154:35 pm
BOS
- MAD
1 stop10h 55m
Multiple Airlines
Thu 5/219:50 am
MAD
- BOS
1 stop14h 05m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$757
This KLM deal was found by Cheapflights users on 5/10. 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.
Fri 9/257:20 pm
BOS
- BCN
Nonstop7h 15m
KLM
Sat 10/33:15 pm
BCN
- BOS
Nonstop8h 30m
KLM
Deal found 5/10![KLM logo]()
$697
This Delta deal was found by Cheapflights users on 5/8. 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 6/39:45 pm
BOS
- MAD
1 stop13h 00m
Delta
Mon 6/82:35 pm
MAD
- BOS
Nonstop7h 55m
Delta
Deal found 5/8![Delta logo]()
$726
This British Airways deal was found by Cheapflights users on 5/9. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1512:25 pm
BOS
- MAD
1 stop11h 10m
British Airways
Mon 7/205:30 pm
MAD
- BOS
Nonstop8h 20m
British Airways
Deal found 5/9![British Airways logo]()
$736
This United Airlines deal was found by Cheapflights users on 5/7. 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 9/410:00 pm
BOS
- PMI
1 stop11h 20m
United Airlines
Thu 9/1012:15 pm
PMI
- BOS
2 stops27h 38m
United Airlines
Deal found 5/7![United Airlines logo]()
$689
This KLM deal was found by Cheapflights users on 5/9. 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.
Sun 8/235:25 pm
BOS
- IBZ
1 stop14h 40m
Multiple Airlines
Mon 8/3110:00 pm
IBZ
- BOS
1 stop24h 35m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$763
This KLM deal was found by Cheapflights users on 5/9. 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.
Sat 8/87:05 pm
BOS
- AGP
1 stop14h 50m
KLM
Tue 8/1811:50 pm
AGP
- BOS
1 stop24h 40m
KLM
Deal found 5/9![KLM logo]()
$702
This Delta deal was found by Cheapflights users on 5/11. 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 7/131:35 pm
BOS
- MAD
1 stop14h 20m
Delta
Sat 7/252:35 pm
MAD
- BOS
Nonstop7h 59m
Delta
Deal found 5/11![Delta logo]()
$736
This Cheapflightsfares deal was found by Cheapflights users on 5/7. 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.
Thu 7/99:40 pm
BOS
- AGP
1 stop20h 25m
SWISS
Sat 8/16:30 am
AGP
- BOS
1 stop14h 40m
SWISS
Deal found 5/7![SWISS logo]()
$902
This United Airlines deal was found by Cheapflights users on 5/10. 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 8/23:35 pm
BOS
- MAD
1 stop9h 15m
United Airlines
Mon 8/1012:45 pm
MAD
- BOS
2 stops30h 02m
United Airlines
Deal found 5/10![United Airlines logo]()
$695
This LEVEL deal was found by Cheapflights users on 5/10. 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 7/2311:35 pm
BOS
- SVQ
1 stop27h 20m
LEVEL
Thu 7/306:50 am
SVQ
- BOS
1 stop20h 55m
LEVEL
Deal found 5/10![LEVEL logo]()
$850
This KLM deal was found by Cheapflights users on 5/11. 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.
Fri 8/217:25 pm
BOS
- PMI
1 stop14h 50m
KLM
Fri 8/287:05 am
PMI
- BOS
1 stop16h 36m
KLM
Deal found 5/11![KLM logo]()
$709
Last-minute flights from Boston to SpainDiscover last-minute flight deals from Boston to Spain. Data last updated May 12, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Spain. Data last updated May 12, 2026 and is based on user searches.
This Gotogate deal was found by Cheapflights users on 5/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/114:45 pm
BOS
- BCN
1 stop23h 25m
Condor
Tue 5/198:00 am
BCN
- BOS
1 stop12h 45m
Condor
Deal found 5/10![Condor logo]()
$562
This CheapOair deal was found by Cheapflights users on 5/9. 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.
Mon 5/114:45 pm
BOS
- BCN
1 stop10h 45m
Condor
Thu 5/148:00 am
BCN
- BOS
1 stop12h 45m
Condor
Deal found 5/9![Condor logo]()
$581
This Cheapflightsfares deal was found by Cheapflights users on 5/11. 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 5/1311:34 am
BOS
- MAD
1 stop12h 01m
Iberia
Mon 5/185:30 pm
MAD
- BOS
Nonstop8h 20m
Iberia
Deal found 5/11![Iberia logo]()
$624
This Trip.com deal was found by Cheapflights users on 5/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/254:45 pm
BOS
- BCN
1 stop10h 45m
Condor
Thu 6/45:00 pm
BCN
- BOS
1 stop27h 45m
Condor
Deal found 5/11![Condor logo]()
$585
This Iberia deal was found by Cheapflights users on 5/8. 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.
Wed 6/1010:50 pm
BOS
- BCN
Nonstop7h 10m
Iberia
Tue 6/236:30 pm
BCN
- BOS
Nonstop8h 30m
Iberia
Deal found 5/8![Iberia logo]()
$572
This Kiwi.com deal was found by Cheapflights users on 5/11. 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 6/1010:50 pm
BOS
- BCN
Nonstop7h 10m
LEVEL
Thu 7/97:10 pm
BCN
- BOS
Nonstop8h 35m
LEVEL
Deal found 5/11![LEVEL logo]()
$575
This Kiwi.com deal was found by Cheapflights users on 5/9. 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 6/1010:50 pm
BOS
- BCN
Nonstop7h 10m
LEVEL
Tue 6/236:30 pm
BCN
- BOS
Nonstop8h 30m
LEVEL
Deal found 5/9![LEVEL logo]()
$576
This Kiwi.com deal was found by Cheapflights users on 5/11. 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 6/1111:55 pm
BOS
- BCN
Nonstop7h 10m
LEVEL
Wed 7/86:30 pm
BCN
- BOS
Nonstop8h 35m
LEVEL
Deal found 5/11![LEVEL logo]()
$586
This LEVEL deal was found by Cheapflights users on 5/10. 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 6/1411:30 pm
BOS
- BCN
Nonstop7h 10m
LEVEL
Tue 6/236:30 pm
BCN
- BOS
Nonstop8h 30m
LEVEL
Deal found 5/10![LEVEL logo]()
$589
This Kiwi.com deal was found by Cheapflights users on 5/8. 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 6/1411:30 pm
BOS
- BCN
Nonstop7h 10m
Iberia
Tue 6/236:30 pm
BCN
- BOS
Nonstop8h 30m
Iberia
Deal found 5/8![Iberia logo]()
$595
This LEVEL deal was found by Cheapflights users on 5/9. 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.
Mon 6/2910:50 pm
BOS
- BCN
Nonstop7h 10m
LEVEL
Thu 7/97:10 pm
BCN
- BOS
Nonstop8h 35m
LEVEL
Deal found 5/9![LEVEL logo]()
$587
This LEVEL deal was found by Cheapflights users on 5/8. 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.
Mon 6/2910:50 pm
BOS
- BCN
Nonstop7h 10m
LEVEL
Wed 7/86:30 pm
BCN
- BOS
Nonstop8h 35m
LEVEL
Deal found 5/8![LEVEL logo]()
$588
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 May 12, 2026.
Search for one-way flight options from Boston to Spain. Find affordable one-way fares based on user searches. Data last updated May 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/7. 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 9/188:50 pm
BOS
- PMI
2 stops21h 09m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$290
This Kiwi.com deal was found by Cheapflights users on 5/7. 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 8/318:50 pm
BOS
- AGP
2 stops21h 09m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$301
This Kiwi.com deal was found by Cheapflights users on 5/8. 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 10/108:50 pm
BOS
- PMI
2 stops31h 25m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$306
This Kiwi.com deal was found by Cheapflights users on 5/8. 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 8/117:05 pm
BOS
- IBZ
3 stops41h 05m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$313
This Kiwi.com deal was found by Cheapflights users on 5/8. 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 9/158:50 pm
BOS
- AGP
3 stops20h 10m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$315
This Kiwi.com deal was found by Cheapflights users on 5/8. 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 9/188:50 pm
BOS
- AGP
2 stops14h 20m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$317
This Mytrip deal was found by Cheapflights users on 5/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/208:50 pm
BOS
- PMI
2 stops17h 10m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$317
This Kiwi.com deal was found by Cheapflights users on 5/7. 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 10/158:50 pm
BOS
- PMI
3 stops22h 20m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$322
This Kiwi.com deal was found by Cheapflights users on 5/7. 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 7/268:50 pm
BOS
- PMI
3 stops37h 25m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$323
This Iberia deal was found by Cheapflights users on 5/11. 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 6/1411:30 pm
BOS
- BCN
Nonstop7h 10m
Iberia
Deal found 5/11![Iberia logo]()
$324
This Kiwi.com deal was found by Cheapflights users on 5/11. 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 5/286:50 pm
BOS
- BCN
2 stops22h 05m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$325
This Kiwi.com deal was found by Cheapflights users on 5/9. 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 7/711:00 pm
BOS
- BCN
2 stops37h 40m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$326
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 May 12, 2026.
Round-trip from | $488 (LEVEL) |
|---|---|
One-way from | $290 (Kiwi.com) |
Popular in | June |
Cheapest in | October |
Average price | $688 |
Good round-trip deal | $647 or less |
Good one-way deal | $364 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 May 12, 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
BostonSeville
BOS - SVQ
BOSSVQ
Boston Logan Intl
Thu 9/17
10:55 pm-8:55 am
1 stop28h 00m
Sevilla
Tue 9/22
7:40 pm-9:05 pm
1 stop31h 25m
$599
BostonPalma de Mallorca
BOS - PMI
BOSPMI
Boston Logan Intl
Sun 9/13
5:50 am-8:30 am
1 stop20h 40m
Palma de Mallorca Son Sant Joan
Thu 9/24
12:15 pm-12:47 pm
2 stops30h 32m
$627
BostonMálaga
BOS - AGP
BOSAGP
Boston Logan Intl
Mon 8/31
8:45 pm-6:40 pm
2 stops15h 55m
Malaga
Fri 9/11
12:40 pm-7:35 pm
1 stop12h 55m
$645
BostonPalma de Mallorca
BOS - PMI
BOSPMI
Boston Logan Intl
Fri 7/3
8:26 pm-6:15 am
1 stop27h 49m
Palma de Mallorca Son Sant Joan
Thu 9/10
12:15 pm-2:41 pm
1 stop32h 26m
$649
BostonPalma de Mallorca
BOS - PMI
BOSPMI
Boston Logan Intl
Mon 9/14
9:50 pm-7:35 pm
1 stop15h 45m
Palma de Mallorca Son Sant Joan
Fri 9/25
2:15 pm-8:05 pm
1 stop11h 50m
$654
BostonMálaga
BOS - AGP
BOSAGP
Boston Logan Intl
Fri 9/4
9:40 pm-12:05 am
1 stop20h 25m
Malaga
Wed 9/16
1:15 pm-7:55 pm
1 stop12h 40m
$659
BostonPalma de Mallorca
BOS - PMI
BOSPMI
Boston Logan Intl
Thu 9/17
9:50 pm-4:55 pm
1 stop13h 05m
Palma de Mallorca Son Sant Joan
Tue 9/22
3:40 pm-10:35 pm
1 stop12h 55m
$674
BostonMálaga
BOS - AGP
BOSAGP
Boston Logan Intl
Wed 8/26
5:40 pm-10:30 am
2 stops34h 50m
Malaga
Mon 8/31
8:05 pm-3:35 pm
2 stops25h 30m
$683
BostonPalma de Mallorca
BOS - PMI
BOSPMI
Boston Logan Intl
Sun 7/5
8:26 pm-6:15 am
1 stop27h 49m
Palma de Mallorca Son Sant Joan
Sat 9/12
1:10 pm-9:50 am
1 stop26h 40m
$684
BostonPalma de Mallorca
BOS - PMI
BOSPMI
Boston Logan Intl
Sat 9/19
5:30 pm-3:55 pm
1 stop16h 25m
Palma de Mallorca Son Sant Joan
Sat 9/26
7:05 am-5:45 pm
1 stop16h 40m
$689
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-SVQ
BOS-PMI
BOS-AGP
BOS-IBZ
BOS-BCN
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-SVQ
BOS-PMI
BOS-AGP
BOS-IBZ
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 50 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.
What is the cheapest month to book a flight from Boston to Spain?
Currently, October is the cheapest month in which you can book a flight from Boston to Spain (average of $467). Flying from Boston to Spain in June is currently the most expensive (average of $857). 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 May 12, 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 May 12, 2026.
The most flights from BOS to ES0 are scheduled on a Monday (14 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (9 on average).
How often are flights from Boston to Spain delayed?
About 9% of weekly flights between Boston and Spain have experienced delays in the past year, with the average delay time being 142 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 Thursday 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.
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 May 12, 2026.
See what other customers who have flown with TAP AIR PORTUGAL,American Airlines, andIberia 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.
Food
6.2
Overall
7.2
Entertainment
6.3
Comfort
7.1
Crew
7.8
Boarding
7.0
Reviews
1 / 20
10.0
ExcellentMelanie,May 2026
ORD - LIS
Food
6.2
Overall
7.2
Entertainment
6.3
Comfort
7.1
Crew
7.8
Boarding
7.0
Reviews
1 / 20
10.0
ExcellentMelanie,May 2026
ORD - LIS
Food
6.2
Overall
7.2
Entertainment
6.3
Comfort
7.1
Crew
7.8
Boarding
7.0
Reviews
1 / 20
10.0
ExcellentMelanie,May 2026
ORD - LIS
Food
6.2
Overall
7.2
Entertainment
6.3
Comfort
7.1
Crew
7.8
Boarding
7.0
Reviews
1 / 20
10.0
ExcellentMelanie,May 2026
ORD - LIS
Food
6.2
Overall
7.2
Entertainment
6.3
Comfort
7.1
Crew
7.8
Boarding
7.0
Reviews
1 / 20
10.0
ExcellentMelanie,May 2026
ORD - LIS
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 May 12, 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 May 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$228 | Average$532 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$278 | Average$558 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$311 | Average$832 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$330 | Average$667 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$348 | Average$522 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$352 | Average$408 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$365 | Average$692 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$370 | Average$629 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$374 | Average$516 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$374 | Average$634 | FlexibilityNo cancel fee | On-timeN/A |