$204+ 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 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — MAD
Sep 21 — Sep 281
Round-trip
1 adult, Economy
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Find cheap flights from Boston to Spain with Cheapflights
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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 August 22, 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 August 22, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1811:35 pm -
Nonstop7h 05m
Thu 10/227:35 pm -
1 stop25h 20m
Deal found 8/21![Multiple Airlines logo]()
$428
This Kiwi.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1811:35 pm -
Nonstop7h 05m
Thu 10/291:10 pm -
2 stops30h 40m
Deal found 8/21![Multiple Airlines logo]()
$436
This Kiwi.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1811:35 pm -
Nonstop7h 05m
Thu 11/56:55 am -
2 stops18h 00m
Deal found 8/21![Multiple Airlines logo]()
$447
This Kiwi.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2210:55 pm -
1 stop9h 45m
Mon 10/269:40 pm -
2 stops46h 10m
Deal found 8/21![Multiple Airlines logo]()
$452
This Kiwi.com deal was found by Cheapflights users on 8/18. 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.
Sun 10/1811:35 pm -
Nonstop7h 05m
Wed 10/216:30 pm -
Nonstop8h 35m
Deal found 8/18![Multiple Airlines logo]()
$482
This Kiwi.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1510:55 pm -
Nonstop7h 05m
Wed 10/2111:10 pm -
1 stop21h 45m
Deal found 8/21![Multiple Airlines logo]()
$483
This Kiwi.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/411:35 pm -
1 stop13h 35m
Tue 10/2010:40 pm -
1 stop22h 15m
Deal found 8/21![Multiple Airlines logo]()
$511
This Kiwi.com deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/411:35 pm -
1 stop13h 35m
Tue 10/207:10 pm -
1 stop31h 55m
Deal found 8/22![LEVEL logo]()
$555
This Kiwi.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1611:00 pm -
2 stops19h 15m
Sun 11/810:30 pm -
1 stop21h 20m
Deal found 8/21![Multiple Airlines logo]()
$567
This Kiwi.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/411:35 pm -
1 stop19h 50m
Tue 10/209:20 pm -
1 stop29h 45m
Deal found 8/21![LEVEL logo]()
$570
This Kiwi.com deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1411:00 pm -
2 stops17h 45m
Wed 10/217:00 am -
1 stop20h 05m
Deal found 8/22![Multiple Airlines logo]()
$571
This Kiwi.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/178:50 pm -
2 stops21h 45m
Wed 11/116:35 am -
1 stop13h 15m
Deal found 8/21![Multiple Airlines logo]()
$572
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 August 22, 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 August 22, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/411:35 pm -
1 stop13h 35m
Tue 10/2010:40 pm -
1 stop22h 15m
Deal found 8/21![Multiple Airlines logo]()
$511
This Icelandair deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/288:50 pm -
1 stop11h 55m
Wed 10/73:45 pm -
1 stop12h 00m
Deal found 8/19![Icelandair logo]()
$593
This LEVEL deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/411:35 pm -
1 stop13h 35m
Sun 10/117:00 am -
1 stop20h 45m
Deal found 8/20![LEVEL logo]()
$607
This United Airlines deal was found by Cheapflights users on 8/17. 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 11/53:30 pm -
1 stop12h 05m
Wed 11/111:35 pm -
2 stops28h 51m
Deal found 8/17![United Airlines logo]()
$625
This Delta deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/197:20 pm -
Nonstop7h 15m
Sat 9/263:15 pm -
Nonstop8h 30m
Deal found 8/22![Delta logo]()
$632
This Finnair deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/85:40 pm -
Nonstop7h 10m
Wed 10/215:10 pm -
Nonstop8h 20m
Deal found 8/19![Finnair logo]()
$636
This TAP AIR PORTUGAL deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2210:20 pm -
1 stop12h 40m
Sun 11/17:40 am -
2 stops19h 05m
Deal found 8/20![TAP AIR PORTUGAL logo]()
$647
This Scandinavian Airlines deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/125:35 pm -
2 stops35h 00m
Tue 1/1911:25 am -
2 stops34h 15m
Deal found 8/21![Scandinavian Airlines logo]()
$674
This British Airways deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/76:35 pm -
1 stop11h 10m
Fri 1/1511:55 am -
1 stop13h 45m
Deal found 8/19![British Airways logo]()
$684
This KLM deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:20 pm -
1 stop14h 55m
Wed 9/3010:15 am -
1 stop13h 30m
Deal found 8/19![KLM logo]()
$698
This Expedia deal was found by Cheapflights users on 8/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/15:40 pm -
2 stops11h 40m
Thu 10/83:55 pm -
1 stop11h 10m
Deal found 8/17![Iberia logo]()
$713
This Turkish Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/79:00 pm -
1 stop31h 40m
Sun 11/155:35 pm -
1 stop30h 30m
Deal found 8/19![Turkish Airlines logo]()
$726
This SWISS deal was found by Cheapflights users on 8/18. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/15:10 pm -
1 stop20h 50m
Fri 10/168:45 am -
1 stop17h 10m
Deal found 8/18![SWISS logo]()
$808
This United Airlines deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/177:01 am -
1 stop24h 14m
Sat 10/2412:15 pm -
1 stop32h 38m
Deal found 8/22![United Airlines logo]()
$627
This Delta deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/267:20 pm -
Nonstop7h 15m
Tue 10/63:15 pm -
Nonstop8h 30m
Deal found 8/20![Delta logo]()
$632
This LEVEL deal was found by Cheapflights users on 8/17. 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 LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1610:55 pm -
1 stop12h 40m
Tue 9/2210:50 pm -
1 stop28h 15m
Deal found 8/17![LEVEL logo]()
$637
This Scandinavian Airlines deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/155:35 pm -
2 stops35h 00m
Thu 11/196:30 pm -
1 stop27h 10m
Deal found 8/21![Scandinavian Airlines logo]()
$681
This British Airways deal was found by Cheapflights users on 8/18. 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.
Sun 10/49:55 pm -
1 stop10h 45m
Tue 10/208:35 pm -
1 stop29h 30m
Deal found 8/18![British Airways logo]()
$684
This United Airlines deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/65:30 am -
1 stop20h 30m
Thu 11/191:25 pm -
2 stops30h 06m
Deal found 8/20![United Airlines logo]()
$629
This Delta deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/198:00 am -
1 stop22h 15m
Fri 10/232:35 pm -
Nonstop8h 05m
Deal found 8/19![Delta logo]()
$641
This TAP AIR PORTUGAL deal was found by Cheapflights users on 8/17. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/610:10 pm -
1 stop10h 00m
Sun 11/156:00 am -
1 stop14h 40m
Deal found 8/17![TAP AIR PORTUGAL logo]()
$709
This LEVEL deal was found by Cheapflights users on 8/18. 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 9/1610:55 pm -
1 stop10h 20m
Wed 9/237:00 am -
1 stop20h 05m
Deal found 8/18![LEVEL logo]()
$646
This KLM deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/205:30 pm -
1 stop16h 25m
Sun 10/256:50 am -
1 stop13h 23m
Deal found 8/22![KLM logo]()
$715
This Mytrip deal was found by Cheapflights users on 8/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/110:50 am -
2 stops29h 15m
Thu 10/88:55 am -
2 stops35h 46m
Deal found 8/17![Multiple Airlines logo]()
$720
This Turkish Airlines deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/198:00 pm -
1 stop32h 40m
Wed 11/2511:40 am -
1 stop36h 25m
Deal found 8/20![Turkish Airlines logo]()
$726
This United Airlines deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:00 am -
2 stops18h 50m
Mon 9/2812:45 pm -
2 stops29h 58m
Deal found 8/22![United Airlines logo]()
$634
This TAP AIR PORTUGAL deal was found by Cheapflights users on 8/17. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:00 pm -
1 stop9h 35m
Sun 11/156:00 am -
1 stop14h 40m
Deal found 8/17![TAP AIR PORTUGAL logo]()
$709
This Turkish Airlines deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/79:00 pm -
1 stop31h 40m
Sat 11/1411:40 am -
1 stop36h 25m
Deal found 8/20![Turkish Airlines logo]()
$726
This Mytrip deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/188:50 pm -
2 stops19h 15m
Sat 10/243:15 pm -
2 stops35h 40m
Deal found 8/20![Multiple Airlines logo]()
$732
This KLM deal was found by Cheapflights users on 8/18. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/165:30 pm -
1 stop12h 25m
Sat 10/38:20 am -
1 stop14h 20m
Deal found 8/18![KLM logo]()
$734
Last-minute flights from Boston to SpainDiscover last-minute flight deals from Boston to Spain. Data last updated August 22, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Spain. Data last updated August 22, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/611:35 pm -
Nonstop7h 05m
Thu 9/1010:25 am -
1 stop34h 30m
Deal found 8/21![Multiple Airlines logo]()
$505
This Justfly.com deal was found by Cheapflights users on 8/18. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1610:55 pm -
Nonstop7h 05m
Wed 10/216:30 pm -
Nonstop8h 35m
Deal found 8/18![LEVEL logo]()
$528
This Kiwi.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2011:35 pm -
1 stop10h 40m
Sun 9/277:00 am -
2 stops37h 55m
Deal found 8/21![Multiple Airlines logo]()
$598
This LEVEL deal was found by Cheapflights users on 8/18. 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 9/2011:35 pm -
1 stop27h 20m
Tue 9/2911:05 pm -
1 stop28h 00m
Deal found 8/18![LEVEL logo]()
$606
This Kiwi.com deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2410:55 pm -
Nonstop7h 05m
Thu 10/16:30 pm -
Nonstop8h 35m
Deal found 8/18![LEVEL logo]()
$540
This Kiwi.com deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2410:55 pm -
Nonstop7h 05m
Wed 9/306:30 pm -
Nonstop8h 35m
Deal found 8/19![Iberia logo]()
$548
This Kiwi.com deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2711:35 pm -
Nonstop7h 05m
Wed 9/306:30 pm -
Nonstop8h 35m
Deal found 8/19![LEVEL logo]()
$543
This Kiwi.com deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2711:35 pm -
Nonstop7h 05m
Wed 10/76:30 pm -
Nonstop8h 35m
Deal found 8/19![LEVEL logo]()
$544
This Cheapflightsfares deal was found by Cheapflights users on 8/17. 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 9/299:40 pm -
1 stop20h 25m
Tue 10/131:15 pm -
1 stop12h 40m
Deal found 8/17![SWISS logo]()
$617
This LEVEL deal was found by Cheapflights users on 8/18. 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 9/3010:55 pm -
Nonstop7h 05m
Sun 10/117:10 pm -
Nonstop8h 35m
Deal found 8/18![LEVEL logo]()
$541
This Kiwi.com deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3010:55 pm -
Nonstop7h 05m
Wed 10/146:30 pm -
Nonstop8h 35m
Deal found 8/20![LEVEL logo]()
$545
This Iberia deal was found by Cheapflights users on 8/18. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3010:55 pm -
Nonstop7h 05m
Sun 10/117:10 pm -
Nonstop8h 35m
Deal found 8/18![Iberia logo]()
$551
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 August 22, 2026.
Search for one-way flight options from Boston to Spain. Find affordable one-way fares based on user searches. Data last updated August 22, 2026.
This LEVEL deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2110:55 pm -
1 stop13h 25m
Deal found 8/20![LEVEL logo]()
$204
This Kiwi.com deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2110:55 pm -
2 stops16h 30m
Deal found 8/20![Multiple Airlines logo]()
$244
This Mytrip deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/278:50 pm -
1 stop11h 55m
Deal found 8/19![Icelandair logo]()
$262
This Mytrip deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/288:50 pm -
1 stop11h 55m
Deal found 8/21![Icelandair logo]()
$263
This Cheapflightsfares deal was found by Cheapflights users on 8/17. 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.
Thu 10/228:50 pm -
1 stop11h 55m
Deal found 8/17![Icelandair logo]()
$264
This FlightHub deal was found by Cheapflights users on 8/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/118:50 pm -
1 stop11h 55m
Deal found 8/18![Icelandair logo]()
$267
This Booking.com deal was found by Cheapflights users on 8/17. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/298:50 pm -
1 stop11h 55m
Deal found 8/17![Icelandair logo]()
$268
This FlightHub deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2511:40 pm -
1 stop30h 50m
Deal found 8/19![Icelandair logo]()
$269
This Kiwi.com deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2210:55 pm -
2 stops16h 45m
Deal found 8/18![Multiple Airlines logo]()
$269
This Kiwi.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/48:50 pm -
2 stops37h 00m
Deal found 8/21![Multiple Airlines logo]()
$277
This Kiwi.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/38:50 pm -
2 stops34h 55m
Deal found 8/21![Multiple Airlines logo]()
$281
This Kiwi.com deal was found by Cheapflights users on 8/18. 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.
Sun 9/2011:35 pm -
Nonstop7h 05m
Deal found 8/18![LEVEL logo]()
$283
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 August 22, 2026.
Round-trip from | $428 (Kiwi.com) |
|---|---|
One-way from | $204 (LEVEL) |
Popular in | June |
Cheapest in | January |
Average price | $732 |
Good round-trip deal | $673 or less |
Good one-way deal | $319 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 7,457,451 searches. Data last updated August 22, 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 Boston Logan Intl - IBZ Ibiza
BOSIBZ
Boston Logan Intl
Sun 10/4
11:35 pm-7:10 pm
1 stop13h 35m
Ibiza
Tue 10/20
10:40 pm-2:55 pm
1 stop22h 15m
$511
BostonBarcelona
BOS Boston Logan Intl - BCN Barcelona-El Prat
BOSBCN
Boston Logan Intl
Mon 9/28
8:50 pm-2:45 pm
1 stop11h 55m
Barcelona-El Prat
Wed 10/7
3:45 pm-9:45 pm
1 stop12h 00m
$593
BostonIbiza
BOS Boston Logan Intl - IBZ Ibiza
BOSIBZ
Boston Logan Intl
Sun 10/4
11:35 pm-7:10 pm
1 stop13h 35m
Ibiza
Sun 10/11
7:00 am-9:45 pm
1 stop20h 45m
$607
BostonBarcelona
BOS Boston Logan Intl - BCN Barcelona-El Prat
BOSBCN
Boston Logan Intl
Thu 11/5
3:30 pm-9:35 am
1 stop12h 05m
Barcelona-El Prat
Wed 11/11
1:35 pm-12:26 pm
2 stops28h 51m
$625
BostonBarcelona
BOS Boston Logan Intl - BCN Barcelona-El Prat
BOSBCN
Boston Logan Intl
Sat 10/17
7:01 am-1:15 pm
1 stop24h 14m
Barcelona-El Prat
Sat 10/24
12:15 pm-2:53 pm
1 stop32h 38m
$627
BostonMadrid
BOS Boston Logan Intl - MAD Madrid Barajas
BOSMAD
Boston Logan Intl
Fri 11/6
5:30 am-8:00 am
1 stop20h 30m
Madrid Barajas
Thu 11/19
1:25 pm-1:31 pm
2 stops30h 06m
$629
BostonBarcelona
BOS Boston Logan Intl - BCN Barcelona-El Prat
BOSBCN
Boston Logan Intl
Sat 9/19
7:20 pm-8:35 am
Nonstop7h 15m
Barcelona-El Prat
Sat 9/26
3:15 pm-5:45 pm
Nonstop8h 30m
$632
BostonBarcelona
BOS Boston Logan Intl - BCN Barcelona-El Prat
BOSBCN
Boston Logan Intl
Sat 9/26
7:20 pm-8:35 am
Nonstop7h 15m
Barcelona-El Prat
Tue 10/6
3:15 pm-5:45 pm
Nonstop8h 30m
$632
BostonMadrid
BOS Boston Logan Intl - MAD Madrid Barajas
BOSMAD
Boston Logan Intl
Thu 9/24
6:00 am-6:50 am
2 stops18h 50m
Madrid Barajas
Mon 9/28
12:45 pm-12:43 pm
2 stops29h 58m
$634
Quickest round-trip
BostonMadrid
BOS Boston Logan Intl - MAD Madrid Barajas
BOSMAD
Boston Logan Intl
Thu 10/8
5:40 pm-6:50 am
Nonstop7h 10m
Madrid Barajas
Wed 10/21
5:10 pm-7:30 pm
Nonstop8h 20m
$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-BCN
BOS-IBZ
BOS-AGP
BOS-PMI
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-BCN
BOS-IBZ
BOS-AGP
BOS-PMI
What is the cheapest month to book a flight from Boston to Spain?
Currently, January is the cheapest month in which you can book a flight from Boston to Spain (average of $533). Flying from Boston to Spain in June is currently the most expensive (average of $860). 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 August 22, 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 August 22, 2026.
The most flights from BOS to ES0 are scheduled on a Wednesday (9 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 on average).
How often are flights from Boston to Spain delayed?
About 13% 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 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 8% of flights being delayed.
How far ahead should I book a flight from Boston to Spain?
To ensure you get the cheapest price possible for a flight from Boston to Spain, you should look to book at least 66 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Reviews of airlines servicing Spain
Get insights into the airlines that provide service to Spain. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Spain. Reviews last updated August 22, 2026.
See what other customers who have flown with Delta,TAP AIR PORTUGAL, andAmerican Airlines from Boston to Spain have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.8
Crew
8.5
Food
7.2
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Overall
7.8
Crew
8.5
Food
7.2
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Overall
7.8
Crew
8.5
Food
7.2
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Overall
7.8
Crew
8.5
Food
7.2
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Overall
7.8
Crew
8.5
Food
7.2
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - 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 August 22, 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 7,457,451 searches. Data last updated August 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$249 | Average$564 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$311 | Average$832 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$338 | Average$728 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$348 | Average$735 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$355 | Average$422 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$369 | Average$662 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$370 | Average$767 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$370 | Average$809 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$371 | Average$764 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$372 | Average$716 | FlexibilityNo cancel fee | On-time79% |