$244+ 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 4/26. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — MAD
May 18 — May 251
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 April 18, 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 April 18, 2026.
This LEVEL deal was found by Cheapflights users on 4/14. 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 9/2011:50 pm
BOS
- PMI
1 stop15h 55m
LEVEL
Fri 9/259:55 pm
PMI
- BOS
1 stop29h 20m
LEVEL
Deal found 4/14![LEVEL logo]()
$479
This LEVEL deal was found by Cheapflights users on 4/16. 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 9/2011:50 pm
BOS
- PMI
1 stop27h 30m
LEVEL
Sat 9/2610:25 pm
PMI
- BOS
1 stop29h 40m
LEVEL
Deal found 4/16![LEVEL logo]()
$480
This LEVEL deal was found by Cheapflights users on 4/14. 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.
Tue 9/2911:00 pm
BOS
- PMI
1 stop26h 25m
LEVEL
Tue 10/136:45 am
PMI
- BOS
1 stop20h 30m
LEVEL
Deal found 4/14![LEVEL logo]()
$481
This LEVEL deal was found by Cheapflights users on 4/18. 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 9/2311:00 pm
BOS
- PMI
1 stop17h 35m
LEVEL
Wed 9/309:00 pm
PMI
- BOS
1 stop30h 15m
LEVEL
Deal found 4/18![LEVEL logo]()
$482
This LEVEL deal was found by Cheapflights users on 4/18. 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 8/1611:50 pm
BOS
- PMI
1 stop18h 35m
LEVEL
Sat 9/2610:25 pm
PMI
- BOS
1 stop29h 40m
LEVEL
Deal found 4/18![LEVEL logo]()
$484
This Kiwi.com deal was found by Cheapflights users on 4/14. 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 5/210:50 pm
BOS
- BCN
Nonstop7h 20m
Iberia
Fri 5/156:30 pm
BCN
- BOS
Nonstop8h 35m
Iberia
Deal found 4/14![Iberia logo]()
$490
This Gotogate deal was found by Cheapflights users on 4/15. 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.
Thu 4/3011:00 pm
BOS
- AGP
1 stop33h 45m
Icelandair
Sat 5/93:45 pm
AGP
- BOS
1 stop12h 00m
Icelandair
Deal found 4/15![Icelandair logo]()
$493
This Kiwi.com deal was found by Cheapflights users on 4/15. 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 6/410:50 pm
BOS
- BCN
Nonstop7h 25m
Iberia
Thu 6/116:30 pm
BCN
- BOS
Nonstop8h 35m
Iberia
Deal found 4/15![Iberia logo]()
$493
This Iberia deal was found by Cheapflights users on 4/15. 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.
Thu 6/410:50 pm
BOS
- BCN
Nonstop7h 25m
Iberia
Wed 6/106:30 pm
BCN
- BOS
Nonstop8h 35m
Iberia
Deal found 4/15![Iberia logo]()
$494
This Gotogate deal was found by Cheapflights users on 4/15. 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.
Fri 5/18:50 pm
BOS
- AGP
1 stop11h 55m
Icelandair
Sat 5/93:45 pm
AGP
- BOS
1 stop12h 00m
Icelandair
Deal found 4/15![Icelandair logo]()
$495
This Iberia deal was found by Cheapflights users on 4/14. 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.
Thu 8/1311:00 pm
BOS
- BCN
Nonstop7h 10m
Iberia
Thu 8/206:30 pm
BCN
- BOS
Nonstop8h 45m
Iberia
Deal found 4/14![Iberia logo]()
$495
This Kiwi.com deal was found by Cheapflights users on 4/17. 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 9/911:00 pm
BOS
- BCN
Nonstop7h 10m
Iberia
Wed 9/166:30 pm
BCN
- BOS
Nonstop8h 45m
Iberia
Deal found 4/17![Iberia logo]()
$496
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 April 18, 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 April 18, 2026.
This LEVEL deal was found by Cheapflights users on 4/16. 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.
Fri 5/110:50 pm
BOS
- IBZ
1 stop29h 05m
LEVEL
Fri 5/158:55 am
IBZ
- BOS
1 stop18h 10m
LEVEL
Deal found 4/16![LEVEL logo]()
$528
This KLM deal was found by Cheapflights users on 4/16. 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.
Thu 10/85:35 pm
BOS
- MAD
Nonstop6h 45m
KLM
Wed 10/212:35 pm
MAD
- BOS
Nonstop8h 05m
KLM
Deal found 4/16![KLM logo]()
$590
This United Airlines deal was found by Cheapflights users on 4/17. 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 9/2410:40 am
BOS
- MAD
1 stop14h 10m
United Airlines
Sun 9/2712:45 pm
MAD
- BOS
1 stop27h 05m
United Airlines
Deal found 4/17![United Airlines logo]()
$608
This British Airways deal was found by Cheapflights users on 4/18. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/295:40 pm
BOS
- MAD
Nonstop7h 10m
British Airways
Sun 5/312:40 pm
MAD
- BOS
1 stop12h 08m
British Airways
Deal found 4/18![British Airways logo]()
$612
This Delta deal was found by Cheapflights users on 4/13. 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 5/115:25 pm
BOS
- MAD
Nonstop6h 55m
Delta
Sun 5/172:35 pm
MAD
- BOS
Nonstop7h 58m
Delta
Deal found 4/13![Delta logo]()
$636
This Scandinavian Airlines deal was found by Cheapflights users on 4/13. 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
1 stop34h 10m
Scandinavian Airlines
Mon 8/3111:05 am
AGP
- BOS
1 stop34h 30m
Scandinavian Airlines
Deal found 4/13![Scandinavian Airlines logo]()
$673
This Turkish Airlines deal was found by Cheapflights users on 4/14. 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.
Mon 9/79:50 pm
BOS
- SVQ
1 stop31h 00m
Turkish Airlines
Tue 9/156:35 pm
SVQ
- BOS
1 stop31h 20m
Turkish Airlines
Deal found 4/14![Turkish Airlines logo]()
$697
This FlightHub deal was found by Cheapflights users on 4/15. 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 9/76:50 pm
BOS
- SVQ
2 stops34h 35m
Multiple Airlines
Tue 9/1510:00 am
SVQ
- BOS
1 stop15h 55m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$699
This TAP AIR PORTUGAL deal was found by Cheapflights users on 4/16. 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 5/311:00 pm
BOS
- AGP
2 stops28h 35m
TAP AIR PORTUGAL
Tue 5/123:25 pm
AGP
- BOS
2 stops34h 55m
TAP AIR PORTUGAL
Deal found 4/16![TAP AIR PORTUGAL logo]()
$721
This Finnair deal was found by Cheapflights users on 4/18. 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.
Tue 6/309:20 pm
BOS
- BIO
1 stop19h 55m
Finnair
Wed 7/86:45 am
BIO
- BOS
1 stop19h 05m
Finnair
Deal found 4/18![Finnair logo]()
$795
This LEVEL deal was found by Cheapflights users on 4/16. 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.
Fri 5/110:50 pm
BOS
- IBZ
1 stop29h 05m
LEVEL
Thu 5/217:00 am
IBZ
- BOS
1 stop20h 05m
LEVEL
Deal found 4/16![LEVEL logo]()
$528
This KAYAK deal was found by Cheapflights users on 4/13. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/85:45 pm
BOS
- TFS
2 stops17h 50m
Lufthansa
Sat 5/164:55 pm
TFS
- BOS
1 stop27h 45m
Lufthansa
Deal found 4/13![Lufthansa logo]()
$1,133
This Iberia deal was found by Cheapflights users on 4/16. 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 5/179:20 pm
BOS
- TFS
1 stop23h 15m
Iberia
Fri 5/227:40 pm
TFS
- BOS
1 stop29h 05m
Iberia
Deal found 4/16![Iberia logo]()
$1,134
This American Airlines deal was found by Cheapflights users on 4/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/15:40 pm
BOS
- TFS
1 stop15h 40m
American Airlines
Sun 6/72:45 am
TFS
- BOS
1 stop22h 05m
American Airlines
Deal found 4/18![American Airlines logo]()
$1,147
This United Airlines deal was found by Cheapflights users on 4/17. 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.
Wed 9/96:50 pm
BOS
- MAD
1 stop30h 00m
United Airlines
Wed 9/2312:45 pm
MAD
- BOS
2 stops28h 33m
United Airlines
Deal found 4/17![United Airlines logo]()
$613
This KLM deal was found by Cheapflights users on 4/13. 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 5/66:50 pm
BOS
- PMI
1 stop31h 40m
KLM
Mon 5/115:05 pm
PMI
- BOS
1 stop30h 20m
KLM
Deal found 4/13![KLM logo]()
$645
This Delta deal was found by Cheapflights users on 4/16. 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 5/57:00 pm
BOS
- MAD
1 stop15h 45m
Delta
Tue 5/1212:45 pm
MAD
- BOS
1 stop12h 13m
Delta
Deal found 4/16![Delta logo]()
$649
This United Airlines deal was found by Cheapflights users on 4/14. 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.
Wed 4/297:30 pm
BOS
- MAD
1 stop30h 35m
United Airlines
Tue 5/512:45 pm
MAD
- BOS
2 stops31h 06m
United Airlines
Deal found 4/14![United Airlines logo]()
$619
This LEVEL deal was found by Cheapflights users on 4/15. 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.
Sat 6/610:50 pm
BOS
- AGP
1 stop28h 05m
LEVEL
Tue 6/162:30 pm
AGP
- BOS
1 stop12h 35m
LEVEL
Deal found 4/15![LEVEL logo]()
$632
This KLM deal was found by Cheapflights users on 4/16. 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 5/86:50 pm
BOS
- MAD
1 stop12h 50m
KLM
Fri 5/152:35 pm
MAD
- BOS
Nonstop7h 58m
KLM
Deal found 4/16![KLM logo]()
$650
This KLM deal was found by Cheapflights users on 4/13. 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 9/117:05 pm
BOS
- BCN
1 stop10h 10m
Multiple Airlines
Fri 9/253:15 pm
BCN
- BOS
Nonstop8h 30m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$716
This Delta deal was found by Cheapflights users on 4/14. 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.
Thu 7/305:20 pm
BOS
- MAD
Nonstop7h 00m
Delta
Fri 9/42:35 pm
MAD
- BOS
Nonstop8h 00m
Delta
Deal found 4/14![Delta logo]()
$681
This LEVEL deal was found by Cheapflights users on 4/14. 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.
Sat 9/1211:00 pm
BOS
- AGP
1 stop27h 55m
LEVEL
Sun 9/2012:55 pm
AGP
- BOS
1 stop15h 10m
LEVEL
Deal found 4/14![LEVEL logo]()
$635
This British Airways deal was found by Cheapflights users on 4/18. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/19:20 pm
BOS
- BIO
1 stop13h 35m
British Airways
Mon 6/81:30 pm
BIO
- BOS
1 stop12h 20m
British Airways
Deal found 4/18![British Airways logo]()
$785
This United Airlines deal was found by Cheapflights users on 4/17. 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.
Wed 4/295:45 am
BOS
- MAD
2 stops29h 00m
United Airlines
Mon 5/1811:15 am
MAD
- BOS
2 stops16h 59m
United Airlines
Deal found 4/17![United Airlines logo]()
$653
This Scandinavian Airlines deal was found by Cheapflights users on 4/16. 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.
Sun 4/265:40 pm
BOS
- PMI
1 stop20h 10m
Scandinavian Airlines
Sun 5/38:00 pm
PMI
- BOS
2 stops33h 27m
Scandinavian Airlines
Deal found 4/16![Scandinavian Airlines logo]()
$792
This Finnair deal was found by Cheapflights users on 4/17. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/249:20 pm
BOS
- BIO
1 stop18h 45m
Multiple Airlines
Fri 6/56:45 am
BIO
- BOS
1 stop18h 25m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$725
This Delta deal was found by Cheapflights users on 4/15. 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.
Sat 8/291:10 pm
BOS
- MAD
1 stop14h 45m
Delta
Fri 9/112:35 pm
MAD
- BOS
Nonstop8h 00m
Delta
Deal found 4/15![Delta logo]()
$681
This British Airways deal was found by Cheapflights users on 4/16. 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.
Sat 7/45:40 pm
BOS
- BIO
1 stop17h 15m
British Airways
Mon 7/139:35 pm
BIO
- BOS
1 stop24h 35m
British Airways
Deal found 4/16![British Airways logo]()
$796
This Turkish Airlines deal was found by Cheapflights users on 4/13. 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.
Fri 5/19:50 pm
BOS
- SVQ
1 stop37h 45m
Turkish Airlines
Sat 5/911:35 am
SVQ
- BOS
1 stop38h 20m
Turkish Airlines
Deal found 4/13![Turkish Airlines logo]()
$876
Last-minute flights from Boston to SpainDiscover last-minute flight deals from Boston to Spain. Data last updated April 18, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Spain. Data last updated April 18, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 4/13. 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.
Tue 4/218:50 pm
BOS
- AGP
1 stop11h 55m
Icelandair
Wed 4/293:45 pm
AGP
- BOS
1 stop33h 05m
Icelandair
Deal found 4/13![Icelandair logo]()
$519
This Ticket deal was found by Cheapflights users on 4/14. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/255:08 pm
BOS
- MAD
1 stop10h 47m
Virgin Atlantic
Sat 5/212:45 pm
MAD
- BOS
1 stop13h 53m
Virgin Atlantic
Deal found 4/14![Virgin Atlantic logo]()
$530
This Gotogate deal was found by Cheapflights users on 4/15. 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.
Thu 4/3011:00 pm
BOS
- AGP
1 stop33h 45m
Icelandair
Sat 5/93:45 pm
AGP
- BOS
1 stop12h 00m
Icelandair
Deal found 4/15![Icelandair logo]()
$493
This Gotogate deal was found by Cheapflights users on 4/15. 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.
Fri 5/18:50 pm
BOS
- AGP
1 stop11h 55m
Icelandair
Sat 5/93:45 pm
AGP
- BOS
1 stop12h 00m
Icelandair
Deal found 4/15![Icelandair logo]()
$495
This Kiwi.com deal was found by Cheapflights users on 4/17. 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.
Fri 5/110:50 pm
BOS
- BCN
Nonstop7h 20m
LEVEL
Mon 5/46:30 pm
BCN
- BOS
Nonstop8h 35m
LEVEL
Deal found 4/17![LEVEL logo]()
$516
This LEVEL deal was found by Cheapflights users on 4/14. 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.
Fri 5/110:50 pm
BOS
- IBZ
1 stop27h 55m
LEVEL
Thu 5/217:00 am
IBZ
- BOS
1 stop20h 05m
LEVEL
Deal found 4/14![LEVEL logo]()
$527
This Kiwi.com deal was found by Cheapflights users on 4/14. 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 5/210:50 pm
BOS
- BCN
Nonstop7h 20m
Iberia
Fri 5/156:30 pm
BCN
- BOS
Nonstop8h 35m
Iberia
Deal found 4/14![Iberia logo]()
$490
This Kiwi.com deal was found by Cheapflights users on 4/17. 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.
Sat 5/210:50 pm
BOS
- BCN
Nonstop7h 20m
LEVEL
Mon 5/46:30 pm
BCN
- BOS
Nonstop8h 35m
LEVEL
Deal found 4/17![LEVEL logo]()
$515
This Kiwi.com deal was found by Cheapflights users on 4/14. 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 5/144:35 pm
BOS
- BCN
3 stops44h 05m
Multiple Airlines
Thu 5/216:30 pm
BCN
- BOS
Nonstop8h 35m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$532
This Kiwi.com deal was found by Cheapflights users on 4/17. 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.
Fri 5/158:50 pm
BOS
- BCN
3 stops19h 30m
Multiple Airlines
Fri 5/226:30 pm
BCN
- BOS
Nonstop8h 35m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$526
This Kiwi.com deal was found by Cheapflights users on 4/17. 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.
Fri 5/158:50 pm
BOS
- BCN
3 stops19h 30m
Multiple Airlines
Sat 5/236:30 pm
BCN
- BOS
Nonstop8h 35m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$527
This Kiwi.com deal was found by Cheapflights users on 4/18. 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 5/1610:50 pm
BOS
- BCN
Nonstop7h 20m
LEVEL
Wed 5/276:30 pm
BCN
- BOS
Nonstop8h 35m
LEVEL
Deal found 4/18![LEVEL logo]()
$533
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 April 18, 2026.
Search for one-way flight options from Boston to Spain. Find affordable one-way fares based on user searches. Data last updated April 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/16. 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 4/268:50 pm
BOS
- IBZ
3 stops43h 00m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$244
This Kiwi.com deal was found by Cheapflights users on 4/14. 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 4/268:50 pm
BOS
- PMI
3 stops42h 25m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$249
This Kiwi.com deal was found by Cheapflights users on 4/17. 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.
Mon 4/278:50 pm
BOS
- PMI
3 stops32h 40m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$251
This Kiwi.com deal was found by Cheapflights users on 4/16. 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 4/258:50 pm
BOS
- IBZ
3 stops44h 45m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$267
This Trip.com deal was found by Cheapflights users on 4/18. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/410:50 pm
BOS
- AGP
1 stop20h 30m
Multiple Airlines
Deal found 4/18![Multiple Airlines logo]()
$289
This Kiwi.com deal was found by Cheapflights users on 4/14. 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 4/258:50 pm
BOS
- PMI
3 stops34h 50m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$291
This Kiwi.com deal was found by Cheapflights users on 4/16. 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 5/110:50 pm
BOS
- IBZ
1 stop18h 45m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$296
This Kiwi.com deal was found by Cheapflights users on 4/17. 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.
Thu 10/158:50 pm
BOS
- BCN
2 stops18h 25m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$299
This Kiwi.com deal was found by Cheapflights users on 4/16. 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 5/1811:00 pm
BOS
- BCN
2 stops20h 15m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$300
This Kiwi.com deal was found by Cheapflights users on 4/17. 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 9/308:50 pm
BOS
- BCN
2 stops20h 15m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$302
This Cheapflightsfares deal was found by Cheapflights users on 4/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/189:20 pm
BOS
- MAD
Nonstop7h 10m
Iberia
Deal found 4/17![Iberia logo]()
$302
This Cheapflightsfares deal was found by Cheapflights users on 4/16. 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.
Mon 7/2712:04 pm
BOS
- MAD
1 stop12h 06m
Iberia
Deal found 4/16![Iberia logo]()
$303
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 April 18, 2026.
Round-trip from | $479 (LEVEL) |
|---|---|
One-way from | $244 (Kiwi.com) |
Popular in | June |
Cheapest in | September |
Average price | $596 |
Good round-trip deal | $661 or less |
Good one-way deal | $382 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 April 18, 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
Fri 5/1
10:50 pm-9:55 am
1 stop29h 05m
Ibiza
Fri 5/15
8:55 am-9:05 pm
1 stop18h 10m
$528
BostonIbiza
BOS - IBZ
BOSIBZ
Boston Logan Intl
Fri 5/1
10:50 pm-9:55 am
1 stop29h 05m
Ibiza
Thu 5/21
7:00 am-9:05 pm
1 stop20h 05m
$528
Quickest round-trip
BostonMadrid
BOS - MAD
BOSMAD
Boston Logan Intl
Thu 10/8
5:35 pm-6:20 am
Nonstop6h 45m
Madrid Barajas
Wed 10/21
2:35 pm-4:40 pm
Nonstop8h 05m
$590
BostonMadrid
BOS - MAD
BOSMAD
Boston Logan Intl
Thu 9/24
10:40 am-6:50 am
1 stop14h 10m
Madrid Barajas
Sun 9/27
12:45 pm-9:50 am
1 stop27h 05m
$608
BostonMadrid
BOS - MAD
BOSMAD
Boston Logan Intl
Wed 4/29
5:40 pm-6:50 am
Nonstop7h 10m
Madrid Barajas
Sun 5/3
12:40 pm-6:48 pm
1 stop12h 08m
$612
BostonMadrid
BOS - MAD
BOSMAD
Boston Logan Intl
Wed 9/9
6:50 pm-6:50 am
1 stop30h 00m
Madrid Barajas
Wed 9/23
12:45 pm-11:18 am
2 stops28h 33m
$613
BostonMadrid
BOS - MAD
BOSMAD
Boston Logan Intl
Wed 4/29
7:30 pm-8:05 am
1 stop30h 35m
Madrid Barajas
Tue 5/5
12:45 pm-1:51 pm
2 stops31h 06m
$619
BostonMálaga
BOS - AGP
BOSAGP
Boston Logan Intl
Sat 6/6
10:50 pm-8:55 am
1 stop28h 05m
Malaga
Tue 6/16
2:30 pm-9:05 pm
1 stop12h 35m
$632
BostonMálaga
BOS - AGP
BOSAGP
Boston Logan Intl
Sat 9/12
11:00 pm-8:55 am
1 stop27h 55m
Malaga
Sun 9/20
12:55 pm-10:05 pm
1 stop15h 10m
$635
BostonMadrid
BOS - MAD
BOSMAD
Boston Logan Intl
Mon 5/11
5:25 pm-6:20 am
Nonstop6h 55m
Madrid Barajas
Sun 5/17
2:35 pm-4:33 pm
Nonstop7h 58m
$636
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-IBZ
BOS-PMI
BOS-AGP
BOS-BCN
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-IBZ
BOS-PMI
BOS-AGP
BOS-BCN
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 April 18, 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 April 18, 2026.
The most flights from BOS to ES0 are scheduled on a Monday (11 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (6 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 139 minutes.
What is the most punctual flight time for Boston to Spain flights?
Historically, flights departing in the morning 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 April 18, 2026.
See what other customers who have flown with American Airlines,TAP AIR PORTUGAL, 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
6.4
Boarding
7.5
Comfort
7.2
Entertainment
6.9
Crew
7.9
Overall
7.1
Reviews
1 / 20
4.0
OkayElizabeth,Mar 2026
ORD - MIA
Food
6.4
Boarding
7.5
Comfort
7.2
Entertainment
6.9
Crew
7.9
Overall
7.1
Reviews
1 / 20
4.0
OkayElizabeth,Mar 2026
ORD - MIA
Food
6.4
Boarding
7.5
Comfort
7.2
Entertainment
6.9
Crew
7.9
Overall
7.1
Reviews
1 / 20
4.0
OkayElizabeth,Mar 2026
ORD - MIA
Food
6.4
Boarding
7.5
Comfort
7.2
Entertainment
6.9
Crew
7.9
Overall
7.1
Reviews
1 / 20
4.0
OkayElizabeth,Mar 2026
ORD - MIA
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 April 18, 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 April 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$311 | Average$832 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$330 | Average$581 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$338 | Average$656 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$338 | Average$406 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$341 | Average$518 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$352 | Average$411 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$365 | Average$665 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$369 | Average$655 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$374 | Average$630 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$378 | Average$552 | FlexibilityNo cancel fee | On-time67% |