$310+ Cheap flights from Spain to Boston (BOS)
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 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — BOS
Oct 26 — Nov 21
Round-trip
1 adult, Economy
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Find cheap flights from Spain to Boston 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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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Spain to Boston
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Cheapest flights from Spain to BostonExplore the most affordable flight options available from Spain to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 26, 2026.
Explore the most affordable flight options available from Spain to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 26, 2026.
This AirNGo 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:15 am -
1 stop19h 35m
Thu 10/1512:29 pm -
2 stops14h 36m
Deal found 9/23![Iberia logo]()
$439
This lol.travel 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:30 am -
2 stops22h 14m
Wed 11/115:30 pm -
2 stops20h 35m
Deal found 9/21![Finnair logo]()
$443
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1612:00 pm -
1 stop13h 05m
Tue 12/19:20 pm -
1 stop16h 00m
Deal found 9/24![Aer Lingus logo]()
$444
This eDestinos 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/61:40 pm -
1 stop12h 10m
Thu 10/225:40 pm -
1 stop13h 25m
Deal found 9/23![Iberia logo]()
$453
This American Airlines deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/51:25 pm -
1 stop12h 20m
Mon 10/129:20 pm -
1 stop9h 25m
Deal found 9/25![American Airlines logo]()
$453
This American Airlines deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/52:25 pm -
1 stop11h 20m
Mon 10/195:40 pm -
1 stop9h 25m
Deal found 9/25![American Airlines logo]()
$453
This American Airlines deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/59:15 am -
1 stop16h 30m
Mon 10/195:28 pm -
2 stops13h 17m
Deal found 9/25![American Airlines logo]()
$453
This American Airlines deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” 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.
Thu 11/510:20 am -
1 stop13h 20m
Mon 11/912:45 pm -
2 stops14h 15m
Deal found 9/25![American Airlines logo]()
$454
This American Airlines deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/59:15 am -
1 stop16h 30m
Tue 10/139:20 pm -
1 stop14h 20m
Deal found 9/26![American Airlines logo]()
$454
This American Airlines deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” 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.
Thu 11/199:15 am -
1 stop15h 10m
Thu 12/35:31 pm -
2 stops13h 19m
Deal found 9/26![American Airlines logo]()
$454
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.
Thu 10/11:25 pm -
1 stop12h 25m
Mon 10/55:40 pm -
1 stop13h 05m
Deal found 9/23![American Airlines logo]()
$456
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.
Thu 10/159:15 am -
1 stop16h 35m
Wed 10/288:15 pm -
1 stop15h 40m
Deal found 9/23![Multiple Airlines logo]()
$456
Best flights from Spain to BostonDiscover carefully curated flight deals from Spain to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 26, 2026.
Discover carefully curated flight deals from Spain to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 26, 2026.
This Iberia 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/146:45 am -
1 stop19h 15m
Mon 1/185:23 pm -
2 stops13h 27m
Deal found 9/22![Iberia logo]()
$433
This American Airlines deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” 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.
Thu 11/196:45 am -
1 stop17h 40m
Thu 12/38:00 pm -
1 stop10h 50m
Deal found 9/26![American Airlines logo]()
$454
This American Airlines deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” 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.
Thu 11/196:45 am -
1 stop17h 40m
Thu 12/35:30 pm -
2 stops13h 20m
Deal found 9/26![Multiple Airlines logo]()
$454
This British Airways deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” 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 1/149:10 pm -
1 stop24h 50m
Sun 1/176:45 pm -
1 stop19h 35m
Deal found 9/25![British Airways logo]()
$461
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.
Thu 10/155:30 pm -
Nonstop8h 20m
Fri 1/158:00 pm -
Nonstop6h 50m
Deal found 9/22![Finnair logo]()
$506
This Gotogate deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/910:00 am -
1 stop10h 40m
Sun 1/36:00 pm -
1 stop10h 10m
Deal found 9/25![TAP AIR PORTUGAL logo]()
$515
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 11/26:45 am -
1 stop13h 00m
Sun 11/154:05 pm -
1 stop18h 55m
Deal found 9/22![United Airlines logo]()
$516
This Austrian 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/512:35 pm -
2 stops34h 52m
Wed 11/1812:00 pm -
2 stops17h 50m
Deal found 9/23![Austrian Airlines logo]()
$533
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.
Sat 12/197:35 pm -
1 stop30h 45m
Sat 1/99:50 pm -
1 stop14h 55m
Deal found 9/23![SWISS logo]()
$559
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.
Sun 1/101:05 pm -
2 stops15h 21m
Sun 1/171:10 pm -
2 stops16h 20m
Deal found 9/22![Delta logo]()
$586
This Scandinavian 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/166:30 pm -
1 stop27h 15m
Tue 12/15:35 pm -
2 stops35h 00m
Deal found 9/24![Scandinavian Airlines logo]()
$640
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.
Mon 11/1612:15 pm -
1 stop35h 50m
Tue 12/18:00 pm -
1 stop33h 15m
Deal found 9/24![Turkish Airlines logo]()
$685
This eDestinos 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/61:40 pm -
1 stop12h 10m
Thu 10/2212:29 pm -
2 stops14h 11m
Deal found 9/23![Iberia logo]()
$453
This American Airlines deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” 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.
Thu 11/191:30 pm -
1 stop10h 55m
Wed 12/25:31 pm -
2 stops13h 19m
Deal found 9/26![American Airlines logo]()
$468
This American Airlines deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” 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.
Thu 11/128:05 am -
1 stop16h 20m
Thu 11/268:00 pm -
1 stop9h 40m
Deal found 9/25![Multiple Airlines logo]()
$490
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.
Mon 11/912:00 pm -
1 stop15h 37m
Thu 11/266:00 am -
1 stop22h 25m
Deal found 9/23![British Airways logo]()
$495
This AirNGo 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/59:55 am -
1 stop13h 45m
Wed 11/185:30 pm -
2 stops13h 20m
Deal found 9/23![Iberia logo]()
$466
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.
Thu 12/246:05 am -
1 stop13h 40m
Thu 1/79:00 am -
2 stops26h 25m
Deal found 9/22![United Airlines logo]()
$517
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.
Thu 10/221:50 pm -
Nonstop8h 20m
Sun 10/258:15 pm -
Nonstop6h 50m
Deal found 9/22![Finnair logo]()
$535
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/410:30 pm -
1 stop25h 10m
Sun 11/87:15 pm -
1 stop11h 35m
Deal found 9/22![American Airlines logo]()
$499
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/612:15 pm -
1 stop11h 45m
Fri 11/138:00 pm -
2 stops11h 45m
Deal found 9/21![Multiple Airlines logo]()
$506
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 11/1312:00 pm -
1 stop14h 08m
Mon 11/304:00 pm -
1 stop11h 10m
Deal found 9/23![British Airways logo]()
$512
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.
Sat 12/193:00 pm -
2 stops35h 30m
Tue 12/2910:45 pm -
2 stops32h 15m
Deal found 9/23![TAP AIR PORTUGAL logo]()
$568
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.
Wed 11/116:50 am -
1 stop12h 55m
Sun 11/156:36 pm -
1 stop12h 39m
Deal found 9/22![United Airlines logo]()
$520
This lol.travel 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/79:15 am -
1 stop14h 45m
Sat 11/145:30 pm -
2 stops13h 00m
Deal found 9/23![Iberia logo]()
$486
This American Airlines deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” 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 11/139:15 am -
1 stop15h 10m
Sat 11/288:00 pm -
1 stop10h 45m
Deal found 9/26![American Airlines logo]()
$511
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.
Sun 11/1512:00 pm -
1 stop14h 08m
Mon 11/304:00 pm -
1 stop11h 10m
Deal found 9/23![British Airways logo]()
$512
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 12/26:05 am -
1 stop13h 40m
Thu 12/109:30 am -
1 stop16h 15m
Deal found 9/23![United Airlines logo]()
$521
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/193:25 pm -
1 stop28h 35m
Mon 1/46:00 pm -
1 stop9h 15m
Deal found 9/22![TAP AIR PORTUGAL logo]()
$588
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/159:30 pm -
2 stops31h 55m
Mon 10/199:20 pm -
1 stop17h 35m
Deal found 9/23![Iberia logo]()
$491
Last-minute flights from Spain to BostonDiscover last-minute flight deals from Spain to Boston. Data last updated September 26, 2026 and is based on user searches.
Discover last-minute flight deals from Spain to Boston. Data last updated September 26, 2026 and is based on user searches.
This AirNGo 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:15 am -
1 stop19h 35m
Thu 10/1512:29 pm -
2 stops14h 36m
Deal found 9/23![Iberia logo]()
$439
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.
Thu 10/11:25 pm -
1 stop12h 25m
Mon 10/55:40 pm -
1 stop13h 05m
Deal found 9/23![American Airlines logo]()
$456
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.
Thu 10/19:15 am -
1 stop16h 35m
Mon 10/55:28 pm -
2 stops13h 37m
Deal found 9/23![American Airlines logo]()
$457
This American Airlines deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/51:25 pm -
1 stop12h 20m
Mon 10/129:20 pm -
1 stop9h 25m
Deal found 9/25![American Airlines logo]()
$453
This American Airlines deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/52:25 pm -
1 stop11h 20m
Mon 10/195:40 pm -
1 stop9h 25m
Deal found 9/25![American Airlines logo]()
$453
This American Airlines deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/59:15 am -
1 stop16h 30m
Mon 10/195:28 pm -
2 stops13h 17m
Deal found 9/25![American Airlines logo]()
$453
This American Airlines deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/59:15 am -
1 stop16h 30m
Tue 10/139:20 pm -
1 stop14h 20m
Deal found 9/26![American Airlines logo]()
$454
This Flighttix 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/59:15 am -
1 stop16h 30m
Mon 10/129:20 pm -
1 stop9h 25m
Deal found 9/24![Iberia logo]()
$462
This eDestinos 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/61:40 pm -
1 stop12h 10m
Thu 10/2212:29 pm -
2 stops14h 11m
Deal found 9/23![Iberia logo]()
$453
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/159:15 am -
1 stop16h 35m
Wed 10/288:15 pm -
1 stop17h 35m
Deal found 9/24![American Airlines logo]()
$454
This Iberia 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/159:15 am -
1 stop16h 35m
Wed 10/285:28 pm -
2 stops18h 27m
Deal found 9/23![Iberia logo]()
$456
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:45 am -
1 stop15h 25m
Thu 11/57:15 pm -
1 stop11h 35m
Deal found 9/22![Multiple Airlines logo]()
$457
One-way flights from Spain to BostonSearch for one-way flight options from Spain to Boston. Find affordable one-way fares based on user searches. Data last updated September 26, 2026.
Search for one-way flight options from Spain to Boston. Find affordable one-way fares based on user searches. Data last updated September 26, 2026.
This eDestinos 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/241:25 pm -
1 stop11h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Iberia logo]()
$310
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/2212:00 pm -
1 stop13h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Aer Lingus logo]()
$332
This Expedia deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” 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.
Mon 1/181:25 pm -
1 stop11h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![Iberia logo]()
$337
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/81:25 pm -
1 stop11h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Iberia logo]()
$344
This Kiwi.com deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” 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 1/141:25 pm -
1 stop12h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![Iberia logo]()
$345
This Justfly.com deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” 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 1/139:15 am -
1 stop15h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![Iberia logo]()
$346
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/239:45 pm -
1 stop26h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Iberia logo]()
$349
This Booking.com deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” 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.
Fri 11/136:45 am -
1 stop19h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![TAP AIR PORTUGAL logo]()
$351
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.
Tue 2/29:15 am -
2 stops19h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Iberia logo]()
$354
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/189:10 pm -
1 stop23h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![TAP AIR PORTUGAL logo]()
$354
This Booking.com deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” 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 11/249:10 pm -
1 stop23h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![TAP AIR PORTUGAL logo]()
$355
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2712:00 pm -
1 stop13h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Aer Lingus logo]()
$356
Find flight deals from Spain to Boston
Keep the following information in mind while searching for Spain to Boston flight deals. Data was last updated September 26, 2026.
Round-trip from | $433 (Iberia) |
|---|---|
One-way from | $310 (eDestinos) |
Popular in | September |
Cheapest in | February |
Average price | $651 |
Good round-trip deal | $425 or less |
Good one-way deal | $470 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Spain to Boston 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 26, 2026.
Use the filters below to find and compare flights from Spain to Boston that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
MadridBoston
MAD Madrid Barajas - BOS Boston Logan Intl
MADBOS
Madrid Barajas
Tue 11/24
9:10 pm-2:40 pm
1 stop23h 30m
Boston Logan Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$370
ValenciaBoston
VLC Valencia - BOS Boston Logan Intl
VLCBOS
Valencia
Mon 2/22
9:10 pm-2:20 pm
1 stop23h 10m
Boston Logan Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$373
ValenciaBoston
VLC Valencia - BOS Boston Logan Intl
VLCBOS
Valencia
Sat 1/16
6:05 am-6:25 pm
1 stop18h 20m
Boston Logan Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$373
ValenciaBoston
VLC Valencia - BOS Boston Logan Intl
VLCBOS
Valencia
Mon 1/11
9:10 pm-7:40 pm
1 stop28h 30m
Boston Logan Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$375
BarcelonaBoston
BCN Barcelona-El Prat - BOS Boston Logan Intl
BCNBOS
Barcelona-El Prat
Sat 11/14
9:10 pm-2:00 pm
1 stop22h 50m
Boston Logan Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$375
MadridBoston
MAD Madrid Barajas - BOS Boston Logan Intl
MADBOS
Madrid Barajas
Sat 11/14
6:00 pm-2:00 pm
1 stop26h 00m
Boston Logan Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$384
MadridBoston
MAD Madrid Barajas - BOS Boston Logan Intl
MADBOS
Madrid Barajas
Sat 11/21
12:10 pm-7:55 pm
1 stop13h 45m
Boston Logan Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$384
MadridBoston
MAD Madrid Barajas - BOS Boston Logan Intl
MADBOS
Madrid Barajas
Sun 11/22
12:10 pm-7:55 pm
1 stop13h 45m
Boston Logan Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$385
BilbaoBoston
BIO Bilbao - BOS Boston Logan Intl
BIOBOS
Bilbao
Wed 12/2
6:45 am-6:25 pm
1 stop17h 40m
Boston Logan Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$389
ValenciaBoston
VLC Valencia - BOS Boston Logan Intl
VLCBOS
Valencia
Thu 2/25
9:10 pm-2:20 pm
1 stop23h 10m
Boston Logan Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$398
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Spain to Boston
Have a flexible travel schedule? Discover the best time to fly to Boston from Spain with our price prediction graph.
AGP-BOS
SVQ-BOS
BCN-BOS
VLC-BOS
ALC-BOS
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 Spain to Boston
ES0-BOS
AGP-BOS
SVQ-BOS
BCN-BOS
VLC-BOS
What is the cheapest month to book a flight from Spain to Boston?
Currently, February is the cheapest month in which you can book a flight from Spain to Boston (average of $509). Flying from Spain to Boston in June is currently the most expensive (average of $728). 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 ES to BOS?
Find hourly flight availability from Spain to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 26, 2026.
Unlike at noon, when flights are generally more expensive, you can save up to 32% on flights from Spain to Boston by exploring options for tickets in the evening.
Weekly flight availability from Spain to Boston
Explore weekly flight availability from Spain to Boston. 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 26, 2026.
The most flights from ES0 to BOS are scheduled on a Friday (9 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (1 on average).
How often are flights from Spain to Boston delayed?
About 12% of weekly flights between Spain and Boston have experienced delays in the past year, with the average delay time being 146 minutes.
What is the most punctual flight time for Spain to Boston flights?
Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Tuesday 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 Spain to Boston flights?
Over the last year, Iberia have had the lowest number of delays on this route, with just 6% of flights being delayed.
How far ahead should I book a flight from Spain to Boston?
The price you pay for your flight from Spain to Boston may vary depending on when you book. For the best chance of a lower fare, look to book 56 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Reviews of airlines servicing Boston
Get insights into the airlines that provide service to Boston. 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 Boston. Reviews last updated September 26, 2026.
Peruse reviews from past customers who have flown with KLM,Delta, andTAP AIR PORTUGAL from Spain to Boston to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.4
Food
7.3
Entertainment
7.2
Boarding
7.8
Overall
7.8
Comfort
7.7
Reviews
1 / 20
8.0
ExcellentKushal,Sep 2026
QRO - ATL
Crew
8.4
Food
7.3
Entertainment
7.2
Boarding
7.8
Overall
7.8
Comfort
7.7
Reviews
1 / 20
8.0
ExcellentKushal,Sep 2026
QRO - ATL
Crew
8.4
Food
7.3
Entertainment
7.2
Boarding
7.8
Overall
7.8
Comfort
7.7
Reviews
1 / 20
8.0
ExcellentKushal,Sep 2026
QRO - ATL
Crew
8.4
Food
7.3
Entertainment
7.2
Boarding
7.8
Overall
7.8
Comfort
7.7
Reviews
1 / 20
8.0
ExcellentKushal,Sep 2026
QRO - ATL
Crew
8.4
Food
7.3
Entertainment
7.2
Boarding
7.8
Overall
7.8
Comfort
7.7
Reviews
1 / 20
8.0
ExcellentKushal,Sep 2026
QRO - ATL
Related info for your journey
Find useful and relevant information for your journey from Spain to Boston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Boston?
Book flights to Boston if you plan to visit one of these locationsWaltham
Randolph
Concord
Cambridge
Brockton
Dedham
Cranston
Revere
Warwick
Pawtucket
Peabody
Auburn
Londonderry
York Beach
Fitchburg
North Falmouth
Swansea
Chelsea
Braintree
Sandwich
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
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Alternative routes for Spain to Boston
See prices for flight routes from nearby airports that may be better suited for you.
Other flights to Boston
Explore flights to Boston departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 26, 2026.
Complete your trip
Complete your trip to Boston by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Spain to Boston by cabin class
Find flights from Spain to Boston, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Spain and Boston flights
Browse other Spain and Boston flight options. Last updated on September 26, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Spain to Boston flights
Consider these flights traveling from Spain to Boston.
Top 10 airlines flying from Spain to Boston
Discover the top 10 airlines that operate flights from Spain to Boston. 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 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$245 | Average$543 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$395 | Average$680 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$400 | Average$625 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$415 | Average$674 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$443 | Average$648 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$478 | Average$680 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$479 | Average$684 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$482 | Average$676 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$489 | Average$805 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$491 | Average$663 | FlexibilityNo cancel fee | On-time76% |