$273+ 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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — MAD
May 9 — May 161
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 9, 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 9, 2026.
This Mytrip deal was found by Cheapflights users on 4/8. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/17:50 pm
BOS
- AGP
1 stop11h 55m
Icelandair
Sat 12/122:45 pm
AGP
- BOS
1 stop25h 55m
Icelandair
Deal found 4/8![Icelandair logo]()
$477
This oojo deal was found by Cheapflights users on 4/6. 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 4/6![Icelandair logo]()
$481
This Rumbo deal was found by Cheapflights users on 4/5. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2711:00 pm
BOS
- AGP
1 stop33h 45m
Icelandair
Wed 5/133:45 pm
AGP
- BOS
1 stop33h 05m
Icelandair
Deal found 4/5![Icelandair logo]()
$482
This Mytrip deal was found by Cheapflights users on 4/8. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/248:50 pm
BOS
- AGP
1 stop11h 55m
Icelandair
Sat 5/93:45 pm
AGP
- BOS
1 stop12h 00m
Icelandair
Deal found 4/8![Icelandair logo]()
$485
This oojo deal was found by Cheapflights users on 4/8. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/266:05 pm
BOS
- MAD
1 stop19h 05m
TAP AIR PORTUGAL
Thu 5/711:05 am
MAD
- BOS
1 stop15h 15m
TAP AIR PORTUGAL
Deal found 4/8![TAP AIR PORTUGAL logo]()
$491
This oojo deal was found by Cheapflights users on 4/8. 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 oojo 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 4/8![Icelandair logo]()
$496
This oojo deal was found by Cheapflights users on 4/4. 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 4/2710:45 pm
BOS
- MAD
1 stop19h 35m
TAP AIR PORTUGAL
Tue 5/58:10 pm
MAD
- BOS
1 stop30h 10m
TAP AIR PORTUGAL
Deal found 4/4![TAP AIR PORTUGAL logo]()
$498
This FlightHub deal was found by Cheapflights users on 4/4. 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.
Fri 5/18:50 pm
BOS
- AGP
1 stop11h 55m
Icelandair
Wed 5/133:45 pm
AGP
- BOS
1 stop33h 05m
Icelandair
Deal found 4/4![Icelandair logo]()
$500
This oojo deal was found by Cheapflights users on 4/6. 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.
Wed 5/611:15 pm
BOS
- MAD
2 stops16h 10m
TAP AIR PORTUGAL
Thu 5/1411:05 am
MAD
- BOS
1 stop15h 15m
TAP AIR PORTUGAL
Deal found 4/6![TAP AIR PORTUGAL logo]()
$500
This Booking.com deal was found by Cheapflights users on 4/5. 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 12/86:00 pm
BOS
- AGP
1 stop9h 35m
TAP AIR PORTUGAL
Fri 12/186:00 am
AGP
- BOS
1 stop14h 40m
TAP AIR PORTUGAL
Deal found 4/5![TAP AIR PORTUGAL logo]()
$502
This Booking.com deal was found by Cheapflights users on 4/7. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/510:45 pm
BOS
- MAD
1 stop16h 40m
TAP AIR PORTUGAL
Tue 5/126:00 pm
MAD
- BOS
1 stop26h 45m
TAP AIR PORTUGAL
Deal found 4/7![TAP AIR PORTUGAL logo]()
$505
This Kiwi.com deal was found by Cheapflights users on 4/6. 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 4/248:50 pm
BOS
- AGP
1 stop11h 55m
Icelandair
Wed 4/293:45 pm
AGP
- BOS
1 stop33h 05m
Icelandair
Deal found 4/6![Icelandair logo]()
$508
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 9, 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 9, 2026.
This LEVEL deal was found by Cheapflights users on 4/5. 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 10/511:00 pm
BOS
- MAD
1 stop31h 00m
LEVEL
Thu 10/156:40 am
MAD
- BOS
1 stop20h 35m
LEVEL
Deal found 4/5![LEVEL logo]()
$515
This United Airlines deal was found by Cheapflights users on 4/5. 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 9/910:40 am
BOS
- PMI
1 stop15h 50m
United Airlines
Fri 9/1810:00 am
PMI
- BOS
1 stop13h 55m
United Airlines
Deal found 4/5![United Airlines logo]()
$552
This oojo deal was found by Cheapflights users on 4/4. 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.
Wed 9/166:05 pm
BOS
- SVQ
1 stop24h 20m
TAP AIR PORTUGAL
Tue 9/2210:10 am
SVQ
- BOS
1 stop16h 10m
TAP AIR PORTUGAL
Deal found 4/4![TAP AIR PORTUGAL logo]()
$642
This Scandinavian Airlines deal was found by Cheapflights users on 4/7. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/275:40 pm
BOS
- PMI
1 stop33h 25m
Scandinavian Airlines
Thu 10/110:25 am
PMI
- BOS
2 stops35h 10m
Scandinavian Airlines
Deal found 4/7![Scandinavian Airlines logo]()
$650
This KLM deal was found by Cheapflights users on 4/7. 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 9/165:30 pm
BOS
- MAD
Nonstop6h 50m
KLM
Tue 10/62:35 pm
MAD
- BOS
Nonstop8h 05m
KLM
Deal found 4/7![KLM logo]()
$656
This SWISS deal was found by Cheapflights users on 4/7. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/189:40 pm
BOS
- MAD
1 stop29h 40m
SWISS
Mon 10/57:30 pm
MAD
- BOS
1 stop30h 25m
SWISS
Deal found 4/7![SWISS logo]()
$684
This Delta deal was found by Cheapflights users on 4/6. 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 4/279:05 am
BOS
- AGP
2 stops20h 40m
Delta
Tue 5/55:55 am
AGP
- BOS
1 stop13h 30m
Delta
Deal found 4/6![Delta logo]()
$694
This Finnair deal was found by Cheapflights users on 4/6. 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.
Sat 5/25:40 pm
BOS
- MAD
Nonstop7h 10m
Finnair
Fri 5/81:50 pm
MAD
- BOS
Nonstop8h 20m
Finnair
Deal found 4/6![Finnair logo]()
$695
This Turkish Airlines deal was found by Cheapflights users on 4/4. 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
Fri 5/86:35 pm
SVQ
- BOS
1 stop31h 20m
Turkish Airlines
Deal found 4/4![Turkish Airlines logo]()
$696
This British Airways deal was found by Cheapflights users on 4/8. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/2411:34 am
BOS
- MAD
1 stop12h 01m
British Airways
Sun 5/35:25 pm
MAD
- BOS
Nonstop8h 20m
British Airways
Deal found 4/8![British Airways logo]()
$755
This Virgin Atlantic deal was found by Cheapflights users on 4/8. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/117:35 pm
BOS
- BCN
Nonstop7h 00m
Virgin Atlantic
Sun 5/173:15 pm
BCN
- BOS
Nonstop8h 20m
Virgin Atlantic
Deal found 4/8![Virgin Atlantic logo]()
$793
This KLM deal was found by Cheapflights users on 4/6. 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 7/295:20 pm
BOS
- IBZ
1 stop14h 45m
Multiple Airlines
Mon 8/310:00 pm
IBZ
- BOS
1 stop24h 31m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$802
This British Airways deal was found by Cheapflights users on 4/6. 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 5/49:20 pm
BOS
- TFS
1 stop12h 00m
Iberia
Sun 5/172:45 am
TFS
- BOS
1 stop22h 05m
Iberia
Deal found 4/6![Iberia logo]()
$1,050
This American Airlines deal was found by Cheapflights users on 4/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/13:17 pm
BOS
- TFS
2 stops18h 03m
American Airlines
Fri 5/82:45 am
TFS
- BOS
1 stop22h 00m
American Airlines
Deal found 4/8![American Airlines logo]()
$1,066
This LEVEL deal was found by Cheapflights users on 4/7. 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.
Tue 8/1811:00 pm
BOS
- BCN
Nonstop7h 10m
LEVEL
Tue 8/256:30 pm
BCN
- BOS
Nonstop8h 45m
LEVEL
Deal found 4/7![LEVEL logo]()
$621
This United Airlines deal was found by Cheapflights users on 4/8. 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.
Mon 4/209:30 am
BOS
- MAD
1 stop16h 35m
United Airlines
Tue 4/2811:15 am
MAD
- BOS
1 stop13h 51m
United Airlines
Deal found 4/8![United Airlines logo]()
$666
This KLM deal was found by Cheapflights users on 4/4. 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 8/155:25 pm
BOS
- BIO
1 stop12h 30m
KLM
Tue 9/18:20 am
BIO
- BOS
1 stop14h 15m
KLM
Deal found 4/4![KLM logo]()
$674
This Delta deal was found by Cheapflights users on 4/6. 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 4/294:35 pm
BOS
- AGP
1 stop18h 00m
Delta
Tue 5/55:55 am
AGP
- BOS
1 stop19h 40m
Delta
Deal found 4/6![Delta logo]()
$701
This Turkish Airlines deal was found by Cheapflights users on 4/6. 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.
Sat 8/19:50 pm
BOS
- SVQ
1 stop30h 45m
Turkish Airlines
Fri 8/146:35 pm
SVQ
- BOS
1 stop31h 20m
Turkish Airlines
Deal found 4/6![Turkish Airlines logo]()
$709
This LEVEL deal was found by Cheapflights users on 4/7. 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.
Sat 9/1911:00 pm
BOS
- BCN
Nonstop7h 10m
LEVEL
Sat 9/266:30 pm
BCN
- BOS
Nonstop8h 45m
LEVEL
Deal found 4/7![LEVEL logo]()
$650
This TAP AIR PORTUGAL deal was found by Cheapflights users on 4/7. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/276:05 pm
BOS
- PMI
1 stop10h 50m
TAP AIR PORTUGAL
Thu 10/111:45 am
PMI
- BOS
1 stop14h 35m
TAP AIR PORTUGAL
Deal found 4/7![TAP AIR PORTUGAL logo]()
$731
This SWISS deal was found by Cheapflights users on 4/6. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/175:20 pm
BOS
- PMI
1 stop12h 35m
SWISS
Wed 8/263:20 pm
PMI
- BOS
2 stops34h 35m
SWISS
Deal found 4/6![SWISS logo]()
$745
This United Airlines deal was found by Cheapflights users on 4/4. 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.
Sat 8/155:59 pm
BOS
- BIO
1 stop10h 46m
United Airlines
Tue 9/16:50 am
BIO
- BOS
2 stops15h 53m
United Airlines
Deal found 4/4![United Airlines logo]()
$686
This British Airways deal was found by Cheapflights users on 4/6. 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 9/237:35 pm
BOS
- IBZ
1 stop15h 40m
British Airways
Thu 10/14:15 pm
IBZ
- BOS
1 stop12h 20m
British Airways
Deal found 4/6![British Airways logo]()
$776
This Delta deal was found by Cheapflights users on 4/4. 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 9/177:20 pm
BOS
- BCN
Nonstop7h 15m
Delta
Mon 10/1910:55 am
BCN
- BOS
1 stop26h 29m
Delta
Deal found 4/4![Delta logo]()
$712
This Virgin Atlantic deal was found by Cheapflights users on 4/5. 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 8/227:25 pm
BOS
- BCN
Nonstop7h 10m
Virgin Atlantic
Wed 9/23:15 pm
BCN
- BOS
Nonstop8h 30m
Virgin Atlantic
Deal found 4/5![Virgin Atlantic logo]()
$796
This Scandinavian Airlines deal was found by Cheapflights users on 4/7. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/39:55 am
BOS
- BCN
2 stops26h 15m
Scandinavian Airlines
Thu 9/1012:40 pm
BCN
- BOS
2 stops32h 55m
Scandinavian Airlines
Deal found 4/7![Scandinavian Airlines logo]()
$796
This KLM deal was found by Cheapflights users on 4/7. 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.
Thu 8/135:25 pm
BOS
- BIO
1 stop16h 30m
KLM
Thu 8/208:20 am
BIO
- BOS
1 stop14h 11m
KLM
Deal found 4/7![KLM logo]()
$724
This Austrian Airlines deal was found by Cheapflights users on 4/6. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/62:15 pm
BOS
- PMI
2 stops15h 05m
Austrian Airlines
Tue 8/412:10 pm
PMI
- BOS
2 stops37h 04m
Austrian Airlines
Deal found 4/6![Austrian Airlines logo]()
$1,636
This TAP AIR PORTUGAL deal was found by Cheapflights users on 4/6. 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 8/1611:00 pm
BOS
- TFS
2 stops32h 15m
TAP AIR PORTUGAL
Sun 9/201:05 pm
TFS
- BOS
2 stops36h 15m
TAP AIR PORTUGAL
Deal found 4/6![TAP AIR PORTUGAL logo]()
$744
Last-minute flights from Boston to SpainDiscover last-minute flight deals from Boston to Spain. Data last updated April 9, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Spain. Data last updated April 9, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 4/6. 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 4/6![Icelandair logo]()
$481
This Mytrip deal was found by Cheapflights users on 4/8. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/248:50 pm
BOS
- AGP
1 stop11h 55m
Icelandair
Sat 5/93:45 pm
AGP
- BOS
1 stop12h 00m
Icelandair
Deal found 4/8![Icelandair logo]()
$485
This Kiwi.com deal was found by Cheapflights users on 4/6. 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 4/248:50 pm
BOS
- AGP
1 stop11h 55m
Icelandair
Wed 4/293:45 pm
AGP
- BOS
1 stop33h 05m
Icelandair
Deal found 4/6![Icelandair logo]()
$508
This oojo deal was found by Cheapflights users on 4/8. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/266:05 pm
BOS
- MAD
1 stop19h 05m
TAP AIR PORTUGAL
Thu 5/711:05 am
MAD
- BOS
1 stop15h 15m
TAP AIR PORTUGAL
Deal found 4/8![TAP AIR PORTUGAL logo]()
$491
This Rumbo deal was found by Cheapflights users on 4/5. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2711:00 pm
BOS
- AGP
1 stop33h 45m
Icelandair
Wed 5/133:45 pm
AGP
- BOS
1 stop33h 05m
Icelandair
Deal found 4/5![Icelandair logo]()
$482
This oojo deal was found by Cheapflights users on 4/4. 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 4/2710:45 pm
BOS
- MAD
1 stop19h 35m
TAP AIR PORTUGAL
Tue 5/58:10 pm
MAD
- BOS
1 stop30h 10m
TAP AIR PORTUGAL
Deal found 4/4![TAP AIR PORTUGAL logo]()
$498
This oojo deal was found by Cheapflights users on 4/8. 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 oojo 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 4/8![Icelandair logo]()
$496
This FlightHub deal was found by Cheapflights users on 4/4. 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.
Fri 5/18:50 pm
BOS
- AGP
1 stop11h 55m
Icelandair
Wed 5/133:45 pm
AGP
- BOS
1 stop33h 05m
Icelandair
Deal found 4/4![Icelandair logo]()
$500
This Justfly.com deal was found by Cheapflights users on 4/6. 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 5/18:50 pm
BOS
- AGP
1 stop11h 55m
Icelandair
Wed 5/63:45 pm
AGP
- BOS
1 stop33h 05m
Icelandair
Deal found 4/6![Icelandair logo]()
$513
This Booking.com deal was found by Cheapflights users on 4/7. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/510:45 pm
BOS
- MAD
1 stop16h 40m
TAP AIR PORTUGAL
Tue 5/126:00 pm
MAD
- BOS
1 stop26h 45m
TAP AIR PORTUGAL
Deal found 4/7![TAP AIR PORTUGAL logo]()
$505
This oojo deal was found by Cheapflights users on 4/6. 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.
Wed 5/611:15 pm
BOS
- MAD
2 stops16h 10m
TAP AIR PORTUGAL
Wed 5/137:40 am
MAD
- BOS
1 stop13h 05m
TAP AIR PORTUGAL
Deal found 4/6![TAP AIR PORTUGAL logo]()
$500
This Kiwi.com deal was found by Cheapflights users on 4/6. 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 5/116:05 pm
BOS
- BCN
1 stop16h 50m
TAP AIR PORTUGAL
Tue 5/1910:40 pm
BCN
- BOS
1 stop22h 05m
TAP AIR PORTUGAL
Deal found 4/6![TAP AIR PORTUGAL logo]()
$508
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 9, 2026.
Search for one-way flight options from Boston to Spain. Find affordable one-way fares based on user searches. Data last updated April 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/7. 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 5/109:45 pm
BOS
- BCN
3 stops21h 30m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$273
This Mytrip deal was found by Cheapflights users on 4/6. 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.
Tue 10/65:20 pm
BOS
- AGP
1 stop24h 45m
SWISS
Deal found 4/6![SWISS logo]()
$280
This Kiwi.com deal was found by Cheapflights users on 4/6. 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 stops41h 55m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$280
This Kiwi.com deal was found by Cheapflights users on 4/4. 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 4/2311:00 pm
BOS
- BCN
3 stops28h 25m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$280
This Kiwi.com deal was found by Cheapflights users on 4/5. 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 4/208:50 pm
BOS
- BCN
3 stops17h 20m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$282
This Kiwi.com deal was found by Cheapflights users on 4/6. 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
- BCN
2 stops20h 15m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$283
This Kiwi.com deal was found by Cheapflights users on 4/7. 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 4/2411:00 pm
BOS
- BCN
2 stops43h 50m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$285
This Kiwi.com deal was found by Cheapflights users on 4/8. 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 5/86:50 pm
BOS
- BCN
2 stops34h 40m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$299
This Kiwi.com deal was found by Cheapflights users on 4/9. 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.
Sun 4/268:50 pm
BOS
- MAD
2 stops16h 25m
Multiple Airlines
Deal found 4/9![Multiple Airlines logo]()
$299
This Kiwi.com deal was found by Cheapflights users on 4/6. 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
- BCN
2 stops20h 05m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$300
This Kiwi.com deal was found by Cheapflights users on 4/6. 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 4/2011:00 pm
BOS
- MAD
2 stops37h 45m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$302
This Cheapflightsfares deal was found by Cheapflights users on 4/6. 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 8/185:40 pm
BOS
- MAD
Nonstop7h 10m
Iberia
Deal found 4/6![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 9, 2026.
Round-trip from | $481 (oojo) |
|---|---|
One-way from | $273 (Kiwi.com) |
Popular in | June |
Cheapest in | September |
Average price | $592 |
Good round-trip deal | $645 or less |
Good one-way deal | $400 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 9, 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
BostonMadrid
BOS - MAD
BOSMAD
Boston Logan Intl
Mon 10/5
11:00 pm-12:00 pm
1 stop31h 00m
Madrid Barajas
Thu 10/15
6:40 am-9:15 pm
1 stop20h 35m
$515
BostonPalma de Mallorca
BOS - PMI
BOSPMI
Boston Logan Intl
Wed 9/9
10:40 am-8:30 am
1 stop15h 50m
Palma de Mallorca Son Sant Joan
Fri 9/18
10:00 am-5:55 pm
1 stop13h 55m
$552
BostonBarcelona
BOS - BCN
BOSBCN
Boston Logan Intl
Tue 8/18
11:00 pm-12:10 pm
Nonstop7h 10m
Barcelona-El Prat
Tue 8/25
6:30 pm-9:15 pm
Nonstop8h 45m
$621
BostonSeville
BOS - SVQ
BOSSVQ
Boston Logan Intl
Wed 9/16
6:05 pm-12:25 am
1 stop24h 20m
Sevilla
Tue 9/22
10:10 am-8:20 pm
1 stop16h 10m
$642
BostonPalma de Mallorca
BOS - PMI
BOSPMI
Boston Logan Intl
Sun 9/27
5:40 pm-9:05 am
1 stop33h 25m
Palma de Mallorca Son Sant Joan
Thu 10/1
10:25 am-3:35 pm
2 stops35h 10m
$650
BostonBarcelona
BOS - BCN
BOSBCN
Boston Logan Intl
Sat 9/19
11:00 pm-12:10 pm
Nonstop7h 10m
Barcelona-El Prat
Sat 9/26
6:30 pm-9:15 pm
Nonstop8h 45m
$650
Quickest round-trip
BostonMadrid
BOS - MAD
BOSMAD
Boston Logan Intl
Wed 9/16
5:30 pm-6:20 am
Nonstop6h 50m
Madrid Barajas
Tue 10/6
2:35 pm-4:40 pm
Nonstop8h 05m
$656
BostonMadrid
BOS - MAD
BOSMAD
Boston Logan Intl
Mon 4/20
9:30 am-8:05 am
1 stop16h 35m
Madrid Barajas
Tue 4/28
11:15 am-7:06 pm
1 stop13h 51m
$666
BostonBilbao
BOS - BIO
BOSBIO
Boston Logan Intl
Sat 8/15
5:25 pm-11:55 am
1 stop12h 30m
Bilbao
Tue 9/1
8:20 am-4:35 pm
1 stop14h 15m
$674
BostonMadrid
BOS - MAD
BOSMAD
Boston Logan Intl
Fri 9/18
9:40 pm-9:20 am
1 stop29h 40m
Madrid Barajas
Mon 10/5
7:30 pm-7:55 pm
1 stop30h 25m
$684
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-MAD
BOS-AGP
BOS-IBZ
BOS-BIO
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-MAD
BOS-AGP
BOS-IBZ
BOS-BIO
What is the cheapest month to book a flight from Boston to Spain?
Currently, September is the cheapest month in which you can book a flight from Boston to Spain (average of $273). Flying from Boston to Spain in June is currently the most expensive (average of $415). 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 9, 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 9, 2026.
The most flights from BOS to ES0 are scheduled on a Monday (10 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (5 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 140 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 9, 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.
Entertainment
6.9
Comfort
7.2
Overall
7.1
Food
6.4
Boarding
7.5
Crew
7.9
Reviews
1 / 20
4.0
OkayElizabeth,Mar 2026
ORD - MIA
Entertainment
6.9
Comfort
7.2
Overall
7.1
Food
6.4
Boarding
7.5
Crew
7.9
Reviews
1 / 20
4.0
OkayElizabeth,Mar 2026
ORD - MIA
Entertainment
6.9
Comfort
7.2
Overall
7.1
Food
6.4
Boarding
7.5
Crew
7.9
Reviews
1 / 20
4.0
OkayElizabeth,Mar 2026
ORD - MIA
Entertainment
6.9
Comfort
7.2
Overall
7.1
Food
6.4
Boarding
7.5
Crew
7.9
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 9, 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 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$298 | Average$832 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$330 | Average$581 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$338 | Average$658 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$338 | Average$380 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$341 | Average$519 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$352 | Average$408 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$365 | Average$657 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$369 | Average$658 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$377 | Average$642 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$378 | Average$552 | FlexibilityNo cancel fee | On-time67% |