$252+ Cheap flights from Boston (BOS) to Spain
This is the cheapest round-trip 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
Oct 24 — Oct 311
Round-trip
1 adult, Economy
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Find cheap flights from Boston to Spain with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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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 September 24, 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 September 24, 2026.
This Delta deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/65:10 pm -
1 stop10h 00m
Tue 10/1312:20 pm -
1 stop13h 15m
Deal found 9/23![Delta logo]()
$409
This United Airlines deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” 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 10/247:13 pm -
1 stop31h 32m
Wed 11/111:25 pm -
2 stops29h 01m
Deal found 9/23![United Airlines logo]()
$410
This FlightHub deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” 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 12/611:08 am -
1 stop15h 47m
Mon 12/149:00 pm -
1 stop28h 40m
Deal found 9/23![British Airways logo]()
$411
This Mytrip deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” 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 10/125:50 am -
2 stops21h 00m
Thu 10/2210:05 am -
1 stop15h 50m
Deal found 9/23![Multiple Airlines logo]()
$412
This Justfly.com deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” 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.
Thu 11/57:15 pm -
Nonstop6h 50m
Thu 11/124:15 pm -
Nonstop8h 10m
Deal found 9/24![Iberia logo]()
$413
This United Airlines deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” 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 11/1110:30 am -
2 stops15h 30m
Tue 11/171:25 pm -
2 stops30h 06m
Deal found 9/23![United Airlines logo]()
$414
This Justfly.com deal was found by Cheapflights users on 9/19. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/104:00 pm -
1 stop10h 55m
Mon 11/164:15 pm -
Nonstop8h 10m
Deal found 9/19![Multiple Airlines logo]()
$415
This Delta deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” 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 10/15:30 pm -
Nonstop6h 50m
Thu 10/82:35 pm -
Nonstop8h 05m
Deal found 9/23![Delta logo]()
$416
This Delta deal was found by Cheapflights users on 9/22. 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.
Tue 9/299:45 pm -
1 stop11h 50m
Wed 10/146:00 am -
2 stops17h 30m
Deal found 9/22![Delta logo]()
$418
This KLM deal was found by Cheapflights users on 9/22. 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.
Mon 10/128:25 pm -
1 stop11h 15m
Wed 10/216:00 am -
1 stop13h 15m
Deal found 9/22![KLM logo]()
$419
This Finnair deal was found by Cheapflights users on 9/22. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/35:30 pm -
1 stop10h 40m
Sat 11/144:15 pm -
Nonstop8h 10m
Deal found 9/22![Multiple Airlines logo]()
$420
This Kiwi.com deal was found by Cheapflights users on 9/22. 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.
Fri 12/118:00 pm -
Nonstop6h 50m
Wed 12/164:15 pm -
Nonstop8h 10m
Deal found 9/22![Iberia logo]()
$421
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 September 24, 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 September 24, 2026.
This British Airways deal was found by Cheapflights users on 9/19. 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.
Tue 10/65:40 pm -
Nonstop7h 10m
Mon 10/195:25 pm -
Nonstop8h 20m
Deal found 9/19![Iberia logo]()
$416
This KLM deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/148:25 pm -
1 stop11h 15m
Tue 10/2010:25 am -
1 stop12h 11m
Deal found 9/20![KLM logo]()
$419
This United Airlines deal was found by Cheapflights users on 9/22. 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.
Mon 1/1110:35 am -
2 stops15h 25m
Wed 1/201:25 pm -
2 stops27h 14m
Deal found 9/22![United Airlines logo]()
$419
This Delta deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/159:10 am -
1 stop16h 10m
Sun 11/2212:20 pm -
1 stop17h 02m
Deal found 9/23![Delta logo]()
$430
This British Airways deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” 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 10/2112:29 pm -
1 stop11h 06m
Sat 11/211:30 pm -
1 stop12h 35m
Deal found 9/23![British Airways logo]()
$430
This United deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/67:01 pm -
2 stops30h 44m
Mon 12/147:30 pm -
1 stop30h 50m
Deal found 9/23![Multiple Airlines logo]()
$441
This Scandinavian Airlines deal was found by Cheapflights users on 9/20. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/125:35 pm -
1 stop18h 05m
Tue 1/1911:25 am -
2 stops34h 30m
Deal found 9/20![Scandinavian Airlines logo]()
$496
This Booking.com deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” 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.
Sun 2/710:10 pm -
1 stop13h 20m
Thu 2/185:55 am -
1 stop20h 20m
Deal found 9/24![TAP AIR PORTUGAL logo]()
$622
This SWISS deal was found by Cheapflights users on 9/22. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2710:50 pm -
1 stop11h 40m
Sun 11/17:20 pm -
1 stop31h 00m
Deal found 9/22![SWISS logo]()
$686
This American Airlines deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” 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.
Wed 10/2812:29 pm -
2 stops16h 16m
Sat 11/79:15 am -
1 stop14h 45m
Deal found 9/23![American Airlines logo]()
$702
This Austrian Airlines deal was found by Cheapflights users on 9/22. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/135:10 pm -
1 stop12h 10m
Sun 10/188:30 pm -
1 stop23h 20m
Deal found 9/22![Austrian Airlines logo]()
$723
This Turkish Airlines deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” 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 10/249:50 pm -
1 stop31h 50m
Fri 11/65:35 pm -
1 stop31h 30m
Deal found 9/24![Turkish Airlines logo]()
$723
This Virgin Atlantic deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” 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.
Thu 10/157:20 pm -
Nonstop7h 15m
Tue 10/203:15 pm -
Nonstop8h 30m
Deal found 9/23![Virgin Atlantic logo]()
$780
This British Airways deal was found by Cheapflights users on 9/21. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/78:00 pm -
Nonstop6h 50m
Mon 1/114:15 pm -
Nonstop8h 10m
Deal found 9/21![Iberia logo]()
$416
This United Airlines deal was found by Cheapflights users on 9/22. 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.
Tue 10/206:00 am -
2 stops18h 50m
Fri 11/611:15 am -
1 stop12h 12m
Deal found 9/22![United Airlines logo]()
$434
This British Airways deal was found by Cheapflights users on 9/21. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/46:35 pm -
1 stop10h 25m
Mon 1/114:15 pm -
Nonstop8h 10m
Deal found 9/21![Multiple Airlines logo]()
$442
This Delta deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” 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 3/14:55 pm -
1 stop12h 35m
Sun 3/79:20 am -
1 stop19h 06m
Deal found 9/23![Delta logo]()
$450
This British Airways deal was found by Cheapflights users on 9/22. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:45 pm -
1 stop19h 20m
Sun 11/151:55 pm -
1 stop13h 55m
Deal found 9/22![British Airways logo]()
$470
This United Airlines deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” 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 1/97:00 pm -
2 stops34h 45m
Tue 1/191:25 pm -
2 stops32h 35m
Deal found 9/23![United Airlines logo]()
$442
This Vueling Global deal was found by Cheapflights users on 9/22. 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 Vueling Global is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/258:00 pm -
2 stops19h 50m
Wed 12/210:20 pm -
2 stops26h 05m
Deal found 9/22![Multiple Airlines logo]()
$512
This eDestinos deal was found by Cheapflights users on 9/19. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/67:30 am -
2 stops28h 05m
Wed 2/2411:45 am -
2 stops34h 00m
Deal found 9/19![Scandinavian Airlines logo]()
$584
This British Airways deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” 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 11/66:45 pm -
1 stop10h 50m
Sun 11/82:55 pm -
1 stop12h 55m
Deal found 9/23![British Airways logo]()
$595
This TAP AIR PORTUGAL deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” 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.
Mon 10/1210:45 pm -
1 stop18h 10m
Sun 10/187:00 am -
2 stops43h 20m
Deal found 9/23![TAP AIR PORTUGAL logo]()
$662
This Scandinavian Airlines deal was found by Cheapflights users on 9/19. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/125:35 pm -
1 stop18h 05m
Sat 1/168:10 pm -
1 stop25h 45m
Deal found 9/19![Scandinavian Airlines logo]()
$609
This United Airlines deal was found by Cheapflights users on 9/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/148:05 pm -
2 stops13h 30m
Tue 10/206:00 am -
2 stops16h 46m
Deal found 9/21![United Airlines logo]()
$561
This Delta deal was found by Cheapflights users on 9/19. 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 11/236:20 pm -
1 stop11h 40m
Tue 12/11:00 pm -
2 stops24h 32m
Deal found 9/19![Delta logo]()
$636
This Vueling Global deal was found by Cheapflights users on 9/20. 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 Vueling Global is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/129:30 pm -
2 stops28h 00m
Tue 1/197:50 pm -
2 stops28h 35m
Deal found 9/20![Multiple Airlines logo]()
$594
This Turkish Airlines deal was found by Cheapflights users on 9/22. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/258:00 pm -
1 stop32h 40m
Mon 3/111:40 am -
1 stop36h 25m
Deal found 9/22![Turkish Airlines logo]()
$726
This KLM deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” 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 11/188:55 pm -
1 stop15h 20m
Fri 11/2710:20 am -
1 stop14h 41m
Deal found 9/23![KLM logo]()
$731
This SWISS deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” 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 10/199:40 pm -
2 stops12h 15m
Tue 10/274:00 pm -
1 stop34h 20m
Deal found 9/23![SWISS logo]()
$735
Last-minute flights from Boston to SpainDiscover last-minute flight deals from Boston to Spain. Data last updated September 24, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Spain. Data last updated September 24, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 9/22. 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.
Tue 9/299:45 pm -
1 stop11h 50m
Wed 10/146:00 am -
2 stops17h 30m
Deal found 9/22![Delta logo]()
$418
This Delta deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” 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 10/15:30 pm -
Nonstop6h 50m
Thu 10/82:35 pm -
Nonstop8h 05m
Deal found 9/23![Delta logo]()
$416
This British Airways deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/111:35 am -
1 stop12h 00m
Thu 10/85:30 pm -
Nonstop8h 20m
Deal found 9/23![Multiple Airlines logo]()
$420
This Flightnetwork deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/55:50 am -
2 stops21h 00m
Wed 10/1411:50 am -
1 stop11h 50m
Deal found 9/23![Multiple Airlines logo]()
$421
This Air Canada deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/57:45 pm -
2 stops29h 05m
Wed 11/111:25 pm -
1 stop14h 03m
Deal found 9/23![Air Canada logo]()
$422
This Delta deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/65:10 pm -
1 stop10h 00m
Tue 10/1312:20 pm -
1 stop13h 15m
Deal found 9/23![Delta logo]()
$409
This Delta deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/61:35 pm -
2 stops13h 55m
Thu 11/129:20 am -
1 stop19h 35m
Deal found 9/23![Delta logo]()
$411
This Mytrip deal was found by Cheapflights users on 9/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/115:50 am -
1 stop19h 00m
Tue 10/207:00 am -
1 stop16h 40m
Deal found 9/22![Multiple Airlines logo]()
$415
This Mytrip deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” 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 10/125:50 am -
2 stops21h 00m
Thu 10/2210:05 am -
1 stop15h 50m
Deal found 9/23![Multiple Airlines logo]()
$412
This KLM deal was found by Cheapflights users on 9/22. 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.
Mon 10/128:25 pm -
1 stop11h 15m
Wed 10/216:00 am -
1 stop13h 15m
Deal found 9/22![KLM logo]()
$419
This eDestinos deal was found by Cheapflights users on 9/21. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1612:29 pm -
1 stop11h 06m
Mon 10/195:25 pm -
Nonstop8h 20m
Deal found 9/21![Iberia logo]()
$414
This United Airlines deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” 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 10/247:13 pm -
1 stop31h 32m
Wed 11/111:25 pm -
2 stops29h 01m
Deal found 9/23![United Airlines logo]()
$410
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 September 24, 2026.
Search for one-way flight options from Boston to Spain. Find affordable one-way fares based on user searches. Data last updated September 24, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/22. 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 10/218:50 pm -
2 stops16h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Multiple Airlines logo]()
$252
This Kiwi.com deal was found by Cheapflights users on 9/19. 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.
Sat 10/318:50 pm -
2 stops31h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Multiple Airlines logo]()
$256
This Kiwi.com deal was found by Cheapflights users on 9/22. 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 11/157:50 pm -
2 stops17h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Multiple Airlines logo]()
$262
This Kiwi.com deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” 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 11/277:50 pm -
2 stops18h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Multiple Airlines logo]()
$264
This Booking.com deal was found by Cheapflights users on 9/21. 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 Booking.com 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 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Icelandair logo]()
$264
This Cheapflightsfares deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” 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.
Sun 10/188:50 pm -
1 stop11h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Icelandair logo]()
$265
This Mytrip deal was found by Cheapflights users on 9/20. 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.
Sat 10/318:50 pm -
2 stops18h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Multiple Airlines logo]()
$266
This Kiwi.com deal was found by Cheapflights users on 9/20. 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.
Mon 1/117:50 pm -
2 stops17h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Multiple Airlines logo]()
$267
This Kiwi.com deal was found by Cheapflights users on 9/19. 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.
Wed 10/218:50 pm -
3 stops20h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Multiple Airlines logo]()
$267
This Kiwi.com deal was found by Cheapflights users on 9/21. 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 10/318:50 pm -
2 stops20h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Multiple Airlines logo]()
$268
This Kiwi.com deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” 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 11/87:50 pm -
2 stops17h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Multiple Airlines logo]()
$268
This Kiwi.com deal was found by Cheapflights users on 9/21. 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 10/308:50 pm -
3 stops23h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Multiple Airlines logo]()
$270
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 September 24, 2026.
Round-trip from | $409 (Expedia) |
|---|---|
One-way from | $252 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $661 |
Good round-trip deal | $631 or less |
Good one-way deal | $305 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 September 24, 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
BostonPalma de Mallorca
BOS Boston Logan Intl - PMI Palma de Mallorca Son Sant Joan
BOSPMI
Boston Logan Intl
Wed 10/21
8:50 pm-7:00 pm
2 stops16h 10m
Palma de Mallorca Son Sant Joan
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$252
BostonAlicante
BOS Boston Logan Intl - ALC Alicante
BOSALC
Boston Logan Intl
Sat 10/31
8:50 pm-9:25 am
2 stops31h 35m
Alicante
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$256
BostonMálaga
BOS Boston Logan Intl - AGP Malaga
BOSAGP
Boston Logan Intl
Mon 1/11
7:50 pm-7:15 pm
2 stops17h 25m
Malaga
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$267
BostonBarcelona
BOS Boston Logan Intl - BCN Barcelona-El Prat
BOSBCN
Boston Logan Intl
Sun 9/27
11:35 pm-12:40 pm
Nonstop7h 05m
Barcelona-El Prat
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$284
BostonBarcelona
BOS Boston Logan Intl - BCN Barcelona-El Prat
BOSBCN
Boston Logan Intl
Tue 11/24
6:45 pm-7:50 pm
1 stop19h 05m
Barcelona-El Prat
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$292
BostonBarcelona
BOS Boston Logan Intl - BCN Barcelona-El Prat
BOSBCN
Boston Logan Intl
Thu 11/19
5:30 am-9:35 am
1 stop22h 05m
Barcelona-El Prat
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$298
BostonBarcelona
BOS Boston Logan Intl - BCN Barcelona-El Prat
BOSBCN
Boston Logan Intl
Wed 10/21
3:35 pm-8:00 am
1 stop10h 25m
Barcelona-El Prat
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$298
BostonBarcelona
BOS Boston Logan Intl - BCN Barcelona-El Prat
BOSBCN
Boston Logan Intl
Thu 11/5
2:40 pm-9:00 am
1 stop12h 20m
Barcelona-El Prat
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$299
BostonBarcelona
BOS Boston Logan Intl - BCN Barcelona-El Prat
BOSBCN
Boston Logan Intl
Mon 10/26
7:15 am-9:00 am
2 stops20h 45m
Barcelona-El Prat
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$299
BostonBarcelona
BOS Boston Logan Intl - BCN Barcelona-El Prat
BOSBCN
Boston Logan Intl
Sat 10/17
9:23 am-8:20 am
2 stops16h 57m
Barcelona-El Prat
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$299
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-VLC
BOS-ALC
BOS-PMI
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-VLC
BOS-ALC
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 $537). Flying from Boston to Spain in June is currently the most expensive (average of $865). 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 September 24, 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 September 24, 2026.
The most flights from BOS to ES0 are scheduled on a Wednesday (14 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (3 on average).
How often are flights from Boston to Spain delayed?
About 15% 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 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?
Monday tends to have the lowest number of delays on this route, whereas Friday 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 9% 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 55 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 September 24, 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.
Food
7.2
Entertainment
7.8
Crew
8.5
Overall
7.8
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Food
7.2
Entertainment
7.8
Crew
8.5
Overall
7.8
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Food
7.2
Entertainment
7.8
Crew
8.5
Overall
7.8
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Food
7.2
Entertainment
7.8
Crew
8.5
Overall
7.8
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Food
7.2
Entertainment
7.8
Crew
8.5
Overall
7.8
Boarding
8.1
Comfort
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 September 24, 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 September 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$249 | Average$560 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$311 | Average$832 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$338 | Average$761 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$348 | Average$727 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$357 | Average$456 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$367 | Average$763 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$370 | Average$786 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$370 | Average$810 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$372 | Average$668 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$372 | Average$733 | FlexibilityNo cancel fee | On-time79% |