$304+ Cheap flights from Boston (BOS) to Madrid, Spain (MAD)
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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — MAD
Oct 9 — Oct 161
Round-trip
1 adult, Economy
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Find cheap flights from Boston to Madrid 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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Boston Logan Intl to Madrid Barajas are usually found in January or February, booked 67 days in advance, depart on a Monday or Wednesday and return on a Thursday
Cheap flight deals from Boston to Madrid
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Best
Last-minute
One-way
Cheapest flights from Boston to MadridExplore the most affordable flight options available from Boston to Madrid. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 9, 2026.
Explore the most affordable flight options available from Boston to Madrid. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 9, 2026.
This Gotogate deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:05 pm -
1 stop10h 00m
Fri 10/3010:20 am -
1 stop15h 35m
Deal found 9/8![TAP AIR PORTUGAL logo]()
$613
This British Airways deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/209:30 pm -
1 stop13h 35m
Sun 12/131:55 pm -
1 stop11h 45m
Deal found 9/8![British Airways logo]()
$614
This Expedia deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/96:35 pm -
1 stop11h 20m
Wed 11/184:15 pm -
Nonstop8h 10m
Deal found 9/8![Iberia logo]()
$615
This Finnair deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:35 pm -
Nonstop6h 50m
Fri 11/134:15 pm -
Nonstop8h 10m
Deal found 9/8![Finnair logo]()
$616
This Delta deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/187:00 pm -
1 stop15h 25m
Sun 9/272:35 pm -
Nonstop8h 00m
Deal found 9/8![Delta logo]()
$617
This TAP AIR PORTUGAL deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2611:10 pm -
1 stop19h 20m
Mon 11/26:00 pm -
2 stops32h 45m
Deal found 9/8![TAP AIR PORTUGAL logo]()
$618
This KAYAK deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/67:35 pm -
Nonstop6h 50m
Wed 11/113:50 pm -
Nonstop8h 10m
Deal found 9/8![Finnair logo]()
$619
This Delta deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/41:35 pm -
2 stops13h 35m
Wed 11/119:20 am -
1 stop15h 39m
Deal found 9/8![Delta logo]()
$620
This Gotogate deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2010:40 am -
2 stops16h 10m
Tue 9/291:30 pm -
1 stop15h 10m
Deal found 9/8![Air Canada logo]()
$622
This Cheapflightsfares deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/116:01 am -
1 stop17h 34m
Wed 10/217:40 am -
2 stops20h 09m
Deal found 9/8![British Airways logo]()
$624
This Cheapflightsfares deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/295:10 pm -
1 stop19h 30m
Tue 10/610:05 am -
1 stop15h 50m
Deal found 9/8![SWISS logo]()
$625
This Finnair deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/258:00 pm -
Nonstop6h 50m
Thu 12/1012:20 pm -
1 stop17h 24m
Deal found 9/8![Finnair logo]()
$626
Best flights from Boston to MadridDiscover carefully curated flight deals from Boston to Madrid that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 9, 2026.
Discover carefully curated flight deals from Boston to Madrid that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 9, 2026.
This United Airlines deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/288:25 pm -
2 stops28h 25m
Wed 10/712:45 pm -
2 stops26h 59m
Deal found 9/4![United Airlines logo]()
$634
This Finnair deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/175:40 pm -
Nonstop7h 10m
Sat 10/241:50 pm -
Nonstop8h 20m
Deal found 9/5![Finnair logo]()
$636
This KLM deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/255:30 pm -
Nonstop6h 50m
Tue 9/292:35 pm -
Nonstop8h 00m
Deal found 9/7![KLM logo]()
$636
This LEVEL deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3010:55 pm -
1 stop10h 05m
Wed 10/76:40 am -
1 stop20h 25m
Deal found 9/7![LEVEL logo]()
$642
This Delta deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/175:30 pm -
Nonstop6h 50m
Thu 9/2412:45 pm -
1 stop15h 41m
Deal found 9/8![Delta logo]()
$646
This United Airlines deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/175:45 am -
1 stop20h 20m
Sun 9/2712:45 pm -
1 stop27h 05m
Deal found 9/4![United Airlines logo]()
$644
This Delta deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/185:30 pm -
Nonstop6h 50m
Wed 10/212:35 pm -
Nonstop8h 05m
Deal found 9/4![Delta logo]()
$665
This United Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/116:00 am -
2 stops18h 50m
Thu 10/1510:50 am -
1 stop17h 55m
Deal found 9/8![United Airlines logo]()
$654
This Delta deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/29:45 pm -
1 stop15h 30m
Thu 10/812:45 pm -
1 stop16h 23m
Deal found 9/5![Delta logo]()
$665
This United Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/52:40 pm -
2 stops20h 00m
Tue 11/101:25 pm -
2 stops32h 25m
Deal found 9/8![United Airlines logo]()
$658
This United Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/235:45 am -
2 stops29h 00m
Sun 9/2712:45 pm -
1 stop27h 05m
Deal found 9/6![United Airlines logo]()
$671
This United Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:55 pm -
1 stop31h 55m
Wed 10/286:25 am -
2 stops22h 34m
Deal found 9/6![United Airlines logo]()
$675
Last-minute flights from Boston to MadridDiscover last-minute flight deals from Boston to Madrid. Data last updated September 9, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Madrid. Data last updated September 9, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1010:31 pm -
Nonstop6h 59m
Tue 9/151:30 pm -
Nonstop8h 37m
Deal found 9/8![JetBlue logo]()
$616
This Delta deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/187:00 pm -
1 stop15h 25m
Sun 9/272:35 pm -
Nonstop8h 00m
Deal found 9/8![Delta logo]()
$617
This United deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:00 pm -
1 stop33h 00m
Sun 9/2712:45 pm -
1 stop27h 05m
Deal found 9/8![Multiple Airlines logo]()
$626
This Gotogate deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2010:40 am -
2 stops16h 10m
Tue 9/291:30 pm -
1 stop15h 10m
Deal found 9/8![Air Canada logo]()
$622
This Cheapflightsfares deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/295:10 pm -
1 stop19h 30m
Tue 10/610:05 am -
1 stop15h 50m
Deal found 9/8![SWISS logo]()
$625
This Cheapflightsfares deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/116:01 am -
1 stop17h 34m
Wed 10/217:40 am -
2 stops20h 09m
Deal found 9/8![British Airways logo]()
$624
This Cheapflightsfares deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/161:00 pm -
2 stops14h 55m
Wed 10/2110:40 am -
1 stop14h 10m
Deal found 9/9![Aer Lingus logo]()
$628
This Booking.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1710:45 pm -
1 stop16h 40m
Sat 10/2411:05 am -
2 stops15h 15m
Deal found 9/8![TAP AIR PORTUGAL logo]()
$614
This Gotogate deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:05 pm -
1 stop10h 00m
Fri 10/3010:20 am -
1 stop15h 35m
Deal found 9/8![TAP AIR PORTUGAL logo]()
$613
This TAP AIR PORTUGAL deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2611:10 pm -
1 stop19h 20m
Mon 11/26:00 pm -
2 stops32h 45m
Deal found 9/8![TAP AIR PORTUGAL logo]()
$618
This KAYAK deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:15 pm -
1 stop10h 40m
Wed 11/1110:40 am -
1 stop14h 25m
Deal found 9/8![Aer Lingus logo]()
$627
This United Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/296:35 pm -
1 stop31h 25m
Sun 11/81:25 pm -
2 stops35h 09m
Deal found 9/8![United Airlines logo]()
$629
One-way flights from Boston to MadridSearch for one-way flight options from Boston to Madrid. Find affordable one-way fares based on user searches. Data last updated September 9, 2026.
Search for one-way flight options from Boston to Madrid. Find affordable one-way fares based on user searches. Data last updated September 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/89:20 pm -
Nonstop7h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Iberia logo]()
$304
This Kiwi.com deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/47:50 pm -
2 stops21h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Multiple Airlines logo]()
$305
This Super.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/279:20 pm -
Nonstop7h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Iberia logo]()
$306
This Booking.com deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/285:40 pm -
Nonstop7h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Iberia logo]()
$307
This Kiwi.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/67:35 pm -
Nonstop6h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Iberia logo]()
$308
This Iberia deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/15:40 pm -
Nonstop7h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Iberia logo]()
$309
This Kiwi.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/47:30 pm -
2 stops33h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Multiple Airlines logo]()
$310
This United Airlines deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/35:30 am -
1 stop20h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![United Airlines logo]()
$312
This United Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/215:45 am -
1 stop20h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![United Airlines logo]()
$313
This Mytrip deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/213:30 pm -
1 stop10h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Multiple Airlines logo]()
$314
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/167:50 pm -
3 stops19h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$315
This Mytrip deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/206:35 pm -
1 stop31h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Multiple Airlines logo]()
$316
Find flight deals from Boston to Madrid
Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Madrid (MAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 9, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $613 (Gotogate) |
One-way from | $304 (Kiwi.com) |
Popular in | December |
Cheapest in | January |
Average price | $659 |
Good round-trip deal | $666 or less |
Good one-way deal | $324 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Boston to Madrid 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 9, 2026.
Use the filters below to find and compare flights from Boston to Madrid that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BostonMadrid
BOS Boston Logan Intl - MAD Madrid Barajas
BOSMAD
Boston Logan Intl
Mon 10/5
9:50 pm-8:05 pm
1 stop16h 15m
Madrid Barajas
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$307
BostonMadrid
BOS Boston Logan Intl - MAD Madrid Barajas
BOSMAD
Boston Logan Intl
Fri 10/9
7:35 pm-8:00 pm
1 stop18h 25m
Madrid Barajas
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$307
Quickest round-trip
BostonMadrid
BOS Boston Logan Intl - MAD Madrid Barajas
BOSMAD
Boston Logan Intl
Wed 10/21
10:31 pm-11:30 am
Nonstop6h 59m
Madrid Barajas
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$309
BostonMadrid
BOS Boston Logan Intl - MAD Madrid Barajas
BOSMAD
Boston Logan Intl
Tue 11/3
5:30 am-8:00 am
1 stop20h 30m
Madrid Barajas
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$312
BostonMadrid
BOS Boston Logan Intl - MAD Madrid Barajas
BOSMAD
Boston Logan Intl
Wed 11/4
10:40 am-8:00 am
1 stop15h 20m
Madrid Barajas
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$312
BostonMadrid
BOS Boston Logan Intl - MAD Madrid Barajas
BOSMAD
Boston Logan Intl
Tue 10/27
5:30 am-7:00 am
1 stop20h 30m
Madrid Barajas
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$312
BostonMadrid
BOS Boston Logan Intl - MAD Madrid Barajas
BOSMAD
Boston Logan Intl
Thu 10/1
3:35 pm-6:50 am
1 stop9h 15m
Madrid Barajas
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$312
BostonMadrid
BOS Boston Logan Intl - MAD Madrid Barajas
BOSMAD
Boston Logan Intl
Thu 10/1
11:35 am-5:35 am
1 stop12h 00m
Madrid Barajas
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$313
BostonMadrid
BOS Boston Logan Intl - MAD Madrid Barajas
BOSMAD
Boston Logan Intl
Tue 10/6
5:45 am-9:00 am
2 stops21h 15m
Madrid Barajas
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$313
BostonMadrid
BOS Boston Logan Intl - MAD Madrid Barajas
BOSMAD
Boston Logan Intl
Mon 9/28
10:51 am-8:05 am
2 stops15h 14m
Madrid Barajas
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$313
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from Boston to Madrid
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boston to Madrid in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Boston-Madrid flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Boston-Madrid flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from Boston-Madrid flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Boston-Madrid flights, Cheapflights users trust Ovago the most. Ovago has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boston-Madrid flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Boston to Madrid
Have a flexible travel schedule? Discover the best time to fly to Madrid from Boston with our price prediction graph.
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 Madrid
Prices
Airlines
Delays
How far ahead should I book a flight from Boston to Madrid?
The price you pay for your flight from Boston to Madrid may vary depending on when you book. For the best chance of a lower fare, look to book 66 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Boston to Madrid?
Currently, January is the cheapest month in which you can book a flight from Boston to Madrid (average of $527). Flying from Boston to Madrid in December is currently the most expensive (average of $928). 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 MAD?
Find hourly flight availability from Boston to Madrid. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 9, 2026.
When flying from Boston to Madrid, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How often are flights from Boston to Madrid delayed?
About 12% of weekly flights between Boston and Madrid have experienced delays in the past year, with the average delay time being 144 minutes.
What is the most punctual flight time for Boston to Madrid 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 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 Madrid flights?
Over the last year, Iberia have had the lowest number of delays on this route, with just 8% of flights being delayed.
The best insider tips for Boston to Madrid flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Boston to Madrid trip
Our travel experts
Reviews of airlines servicing Madrid
Get insights into the airlines that provide service to Madrid. 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 Madrid. Reviews last updated September 9, 2026.
See what other customers who have flown with Delta,American Airlines, andJetBlue from Boston to Madrid have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Entertainment
7.8
Boarding
8.1
Food
7.2
Crew
8.5
Overall
7.8
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Comfort
7.8
Entertainment
7.8
Boarding
8.1
Food
7.2
Crew
8.5
Overall
7.8
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Comfort
7.8
Entertainment
7.8
Boarding
8.1
Food
7.2
Crew
8.5
Overall
7.8
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Comfort
7.8
Entertainment
7.8
Boarding
8.1
Food
7.2
Crew
8.5
Overall
7.8
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Comfort
7.8
Entertainment
7.8
Boarding
8.1
Food
7.2
Crew
8.5
Overall
7.8
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Comfort
7.8
Entertainment
7.8
Boarding
8.1
Food
7.2
Crew
8.5
Overall
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 Madrid. 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 Madrid?
Book flights to Madrid if you plan to visit one of these locationsGetafe
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Complete your trip
Complete your trip to Madrid by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Boston to Madrid by cabin class
Find flights from Boston to Madrid, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Madrid
Explore flights to Madrid departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 9, 2026.
Boston and Madrid flights
Browse other Boston and Madrid flight options. Last updated on September 9, 2026.
Other flights from Boston
Browse through other flights departing from Boston. Flights are based on user searches made on Cheapflights and were last updated on September 9, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 10 airlines flying from Boston to Madrid
Discover the top 10 airlines that operate flights from Boston to Madrid. 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 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$249 | Average$345 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$364 | Average$622 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$367 | Average$740 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$370 | Average$760 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$370 | Average$627 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$372 | Average$592 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$374 | Average$642 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$374 | Average$688 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$375 | Average$639 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$377 | Average$709 | FlexibilityNo cancel fee | On-timeN/A |