$281+ Cheap flights from Boston (BOS) to Europe
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/20. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — CPH
Aug 11 — Aug 181
Round-trip
1 adult, Economy
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Cheapest flights from Boston to EuropeExplore the most affordable flight options available from Boston to Europe. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 12, 2026.
Explore the most affordable flight options available from Boston to Europe. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/118:50 pm
BOS
- BCN
1 stop11h 55m
Icelandair
Wed 10/213:45 pm
BCN
- BOS
1 stop12h 00m
Icelandair
Deal found 7/9![Icelandair logo]()
$435
This Icelandair deal was found by Cheapflights users on 7/8. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/118:50 pm
BOS
- BCN
1 stop11h 55m
Icelandair
Fri 10/163:45 pm
BCN
- BOS
1 stop12h 00m
Icelandair
Deal found 7/8![Icelandair logo]()
$436
This Icelandair deal was found by Cheapflights users on 7/8. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/118:50 pm
BOS
- BCN
1 stop11h 55m
Icelandair
Sat 10/173:45 pm
BCN
- BOS
1 stop33h 05m
Icelandair
Deal found 7/8![Icelandair logo]()
$438
This Icelandair deal was found by Cheapflights users on 7/7. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/288:50 pm
BOS
- BCN
1 stop11h 55m
Icelandair
Sat 10/3112:25 pm
BCN
- BOS
1 stop11h 25m
Icelandair
Deal found 7/7![Icelandair logo]()
$443
This Icelandair deal was found by Cheapflights users on 7/8. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/288:50 pm
BOS
- BCN
1 stop11h 55m
Icelandair
Wed 10/73:45 pm
BCN
- BOS
1 stop12h 00m
Icelandair
Deal found 7/8![Icelandair logo]()
$444
This Icelandair deal was found by Cheapflights users on 7/7. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/288:50 pm
BOS
- BCN
1 stop11h 55m
Icelandair
Sun 11/12:45 pm
BCN
- BOS
1 stop33h 05m
Icelandair
Deal found 7/7![Icelandair logo]()
$445
This Delta deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” 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 10/28:15 am
BOS
- KEF
1 stop18h 45m
Delta
Sun 10/1111:25 am
KEF
- BOS
1 stop31h 24m
Delta
Deal found 7/10![Delta logo]()
$454
This deal was found by Cheapflights users on 7/9. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/258:50 pm
BOS
- KEF
Nonstop5h 15m
Icelandair
Wed 7/297:55 pm
KEF
- BOS
Nonstop5h 50m
Icelandair
Deal found 7/9![Icelandair logo]()
$455
This United deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” 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.
Fri 7/248:15 pm
BOS
- KEF
1 stop32h 35m
Multiple Airlines
Thu 7/3010:00 am
KEF
- BOS
2 stops15h 27m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$456
This United Airlines deal was found by Cheapflights users on 7/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/248:26 pm
BOS
- KEF
2 stops32h 19m
United Airlines
Fri 7/3112:00 pm
KEF
- BOS
2 stops27h 16m
United Airlines
Deal found 7/9![United Airlines logo]()
$457
This Delta deal was found by Cheapflights users on 7/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/235:30 am
BOS
- KEF
1 stop22h 10m
Delta
Mon 7/279:30 am
KEF
- BOS
2 stops18h 29m
Delta
Deal found 7/7![Delta logo]()
$458
This Kiwi.com deal was found by Cheapflights users on 7/8. 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.
Tue 10/68:50 pm
BOS
- KEF
Nonstop5h 15m
Icelandair
Mon 10/127:55 pm
KEF
- BOS
Nonstop5h 50m
Icelandair
Deal found 7/8![Icelandair logo]()
$459
Best flights from Boston to EuropeDiscover carefully curated flight deals from Boston to Europe that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 12, 2026.
Discover carefully curated flight deals from Boston to Europe that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 12, 2026.
This United Airlines deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” 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 11/218:25 pm
BOS
- KEF
1 stop32h 35m
United Airlines
Thu 11/2612:00 pm
KEF
- BOS
2 stops34h 55m
United Airlines
Deal found 7/10![United Airlines logo]()
$523
This United deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” 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.
Mon 8/315:45 am
BOS
- KEF
1 stop22h 45m
Multiple Airlines
Sun 9/610:00 am
KEF
- BOS
2 stops32h 41m
Multiple Airlines
Deal found 7/11![Multiple Airlines logo]()
$558
This KLM deal was found by Cheapflights users on 7/7. 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.
Tue 8/1111:40 pm
BOS
- DUB
Nonstop6h 05m
KLM
Fri 8/213:00 pm
DUB
- BOS
Nonstop7h 17m
KLM
Deal found 7/7![KLM logo]()
$585
This Scandinavian Airlines deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” 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 10/65:40 pm
BOS
- CDG
2 stops20h 00m
Scandinavian Airlines
Tue 10/208:10 pm
CDG
- BOS
2 stops25h 25m
Scandinavian Airlines
Deal found 7/11![Scandinavian Airlines logo]()
$603
This LEVEL deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” 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.
Thu 10/810:55 pm
BOS
- BCN
Nonstop7h 05m
LEVEL
Thu 10/226:30 pm
BCN
- BOS
Nonstop8h 35m
LEVEL
Deal found 7/11![LEVEL logo]()
$609
This Delta deal was found by Cheapflights users on 7/8. 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.
Sun 11/110:45 pm
BOS
- DUB
Nonstop6h 00m
Delta
Wed 11/1111:55 am
DUB
- BOS
Nonstop7h 14m
Delta
Deal found 7/8![Delta logo]()
$611
This Turkish Airlines deal was found by Cheapflights users on 7/9. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/169:50 pm
BOS
- BCN
1 stop19h 25m
Turkish Airlines
Wed 10/2112:10 pm
BCN
- BOS
1 stop37h 45m
Turkish Airlines
Deal found 7/9![Turkish Airlines logo]()
$681
This TAP AIR PORTUGAL deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/297:00 pm
BOS
- BCN
1 stop10h 05m
TAP AIR PORTUGAL
Mon 11/306:05 pm
BCN
- BOS
1 stop26h 35m
TAP AIR PORTUGAL
Deal found 7/11![TAP AIR PORTUGAL logo]()
$740
This Virgin Atlantic deal was found by Cheapflights users on 7/9. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/137:20 pm
BOS
- BCN
Nonstop7h 15m
Virgin Atlantic
Tue 9/223:15 pm
BCN
- BOS
Nonstop8h 30m
Virgin Atlantic
Deal found 7/9![Virgin Atlantic logo]()
$745
This JetBlue deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/278:13 pm
BOS
- BCN
Nonstop7h 32m
JetBlue
Wed 9/3012:50 pm
BCN
- BOS
Nonstop8h 38m
JetBlue
Deal found 7/11![JetBlue logo]()
$758
This ITA Airways deal was found by Cheapflights users on 7/8. 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 ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/265:05 pm
BOS
- FCO
Nonstop8h 00m
ITA Airways
Fri 10/910:25 am
FCO
- BOS
Nonstop9h 15m
ITA Airways
Deal found 7/8![ITA Airways logo]()
$783
This United Airlines deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” 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 9/196:00 am
BOS
- KEF
1 stop21h 00m
United Airlines
Sat 10/310:00 am
KEF
- BOS
2 stops35h 42m
United Airlines
Deal found 7/11![United Airlines logo]()
$541
This United deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” 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.
Fri 8/215:01 pm
BOS
- KEF
1 stop11h 49m
Multiple Airlines
Sat 8/299:15 am
KEF
- BOS
2 stops13h 42m
Multiple Airlines
Deal found 7/11![Multiple Airlines logo]()
$568
This United Airlines deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/156:42 pm
BOS
- KEF
1 stop10h 08m
United Airlines
Tue 8/1812:00 pm
KEF
- BOS
2 stops13h 59m
United Airlines
Deal found 7/10![United Airlines logo]()
$548
This Scandinavian Airlines deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/135:40 pm
BOS
- CDG
2 stops19h 40m
Scandinavian Airlines
Wed 9/308:10 pm
CDG
- BOS
2 stops25h 25m
Scandinavian Airlines
Deal found 7/10![Scandinavian Airlines logo]()
$606
This Delta deal was found by Cheapflights users on 7/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2811:45 pm
BOS
- DUB
Nonstop6h 00m
Delta
Thu 8/63:00 pm
DUB
- BOS
Nonstop7h 17m
Delta
Deal found 7/7![Delta logo]()
$615
This United deal was found by Cheapflights users on 7/8. 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.
Mon 10/128:25 pm
BOS
- KEF
2 stops31h 30m
Multiple Airlines
Tue 10/2012:10 am
KEF
- BOS
1 stop17h 40m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$572
This United Airlines deal was found by Cheapflights users on 7/8. 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.
Fri 8/148:31 pm
BOS
- KEF
1 stop32h 19m
United Airlines
Tue 8/1812:00 pm
KEF
- BOS
1 stop15h 34m
United Airlines
Deal found 7/8![United Airlines logo]()
$549
This Scandinavian Airlines deal was found by Cheapflights users on 7/8. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/55:40 pm
BOS
- CDG
2 stops13h 30m
Scandinavian Airlines
Wed 9/168:30 pm
CDG
- BOS
2 stops25h 05m
Scandinavian Airlines
Deal found 7/8![Scandinavian Airlines logo]()
$616
This KLM deal was found by Cheapflights users on 7/9. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/184:50 pm
BOS
- FCO
Nonstop8h 00m
KLM
Wed 8/261:10 pm
FCO
- BOS
Nonstop9h 38m
KLM
Deal found 7/9![KLM logo]()
$681
This Delta deal was found by Cheapflights users on 7/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/117:55 am
BOS
- DUB
1 stop19h 50m
Delta
Tue 8/183:00 pm
DUB
- BOS
Nonstop7h 17m
Delta
Deal found 7/7![Delta logo]()
$620
This Icelandair deal was found by Cheapflights users on 7/9. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/176:40 pm
BOS
- KEF
1 stop10h 15m
Multiple Airlines
Thu 9/245:10 pm
KEF
- BOS
Nonstop5h 40m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$594
This Scandinavian Airlines deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” 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 9/155:40 pm
BOS
- CDG
2 stops19h 40m
Scandinavian Airlines
Tue 9/298:30 pm
CDG
- BOS
2 stops25h 05m
Scandinavian Airlines
Deal found 7/11![Scandinavian Airlines logo]()
$620
This Delta deal was found by Cheapflights users on 7/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/111:32 pm
BOS
- DUB
1 stop15h 28m
Delta
Tue 9/223:00 pm
DUB
- BOS
Nonstop7h 12m
Delta
Deal found 7/9![Delta logo]()
$620
This TAP AIR PORTUGAL deal was found by Cheapflights users on 7/8. 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.
Wed 10/146:05 pm
BOS
- LGW
2 stops21h 25m
TAP AIR PORTUGAL
Sun 10/1812:05 pm
LGW
- BOS
1 stop13h 15m
TAP AIR PORTUGAL
Deal found 7/8![TAP AIR PORTUGAL logo]()
$753
This United Airlines deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” 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 8/126:01 am
BOS
- DUB
1 stop22h 44m
United Airlines
Sat 8/229:50 am
DUB
- BOS
1 stop28h 55m
United Airlines
Deal found 7/11![United Airlines logo]()
$570
This KLM deal was found by Cheapflights users on 7/8. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/244:50 pm
BOS
- FCO
Nonstop8h 00m
KLM
Wed 9/21:10 pm
FCO
- BOS
Nonstop9h 31m
KLM
Deal found 7/8![KLM logo]()
$694
This ITA Airways deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/45:20 pm
BOS
- ATH
1 stop10h 50m
ITA Airways
Tue 12/87:25 pm
ATH
- BOS
1 stop25h 20m
ITA Airways
Deal found 7/11![ITA Airways logo]()
$787
This Virgin Atlantic deal was found by Cheapflights users on 7/9. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/105:10 pm
BOS
- LGW
1 stop17h 50m
Virgin Atlantic
Mon 10/125:00 pm
LGW
- BOS
2 stops19h 28m
Virgin Atlantic
Deal found 7/9![Virgin Atlantic logo]()
$822
This Delta deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” 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 9/168:00 am
BOS
- DUB
1 stop19h 45m
Delta
Fri 9/253:00 pm
DUB
- BOS
Nonstop7h 12m
Delta
Deal found 7/10![Delta logo]()
$620
Last-minute flights from Boston to EuropeDiscover last-minute flight deals from Boston to Europe. Data last updated July 12, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Europe. Data last updated July 12, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 7/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/148:50 pm
BOS
- KEF
Nonstop5h 15m
Icelandair
Tue 7/285:10 pm
KEF
- BOS
Nonstop5h 40m
Icelandair
Deal found 7/9![Icelandair logo]()
$459
This Delta deal was found by Cheapflights users on 7/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/235:30 am
BOS
- KEF
1 stop22h 10m
Delta
Mon 7/279:30 am
KEF
- BOS
2 stops18h 29m
Delta
Deal found 7/7![Delta logo]()
$458
This United Airlines deal was found by Cheapflights users on 7/8. 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 7/238:15 pm
BOS
- KEF
2 stops32h 15m
United Airlines
Sun 7/2610:00 am
KEF
- BOS
1 stop27h 53m
United Airlines
Deal found 7/8![United Airlines logo]()
$463
This United Airlines deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/248:15 pm
BOS
- KEF
1 stop32h 35m
United Airlines
Fri 7/3111:30 am
KEF
- BOS
2 stops17h 44m
United Airlines
Deal found 7/10![United Airlines logo]()
$454
This United deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” 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.
Fri 7/248:15 pm
BOS
- KEF
1 stop32h 35m
Multiple Airlines
Thu 7/3010:00 am
KEF
- BOS
2 stops15h 27m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$456
This deal was found by Cheapflights users on 7/9. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/258:50 pm
BOS
- KEF
Nonstop5h 15m
Icelandair
Wed 7/297:55 pm
KEF
- BOS
Nonstop5h 50m
Icelandair
Deal found 7/9![Icelandair logo]()
$455
This Justfly.com deal was found by Cheapflights users on 7/9. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/2611:00 pm
BOS
- KEF
Nonstop5h 10m
Icelandair
Thu 8/65:10 pm
KEF
- BOS
Nonstop5h 40m
Icelandair
Deal found 7/9![Icelandair logo]()
$465
This FlightHub deal was found by Cheapflights users on 7/9. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/228:50 pm
BOS
- KEF
Nonstop5h 15m
Icelandair
Wed 8/267:55 pm
KEF
- BOS
Nonstop5h 50m
Icelandair
Deal found 7/9![Icelandair logo]()
$460
This KAYAK deal was found by Cheapflights users on 7/8. 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.
Mon 8/247:30 am
BOS
- KEF
1 stop19h 30m
Lufthansa
Fri 8/289:15 am
KEF
- BOS
1 stop28h 30m
Lufthansa
Deal found 7/8![Lufthansa logo]()
$469
This oojo deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/258:50 pm
BOS
- DUB
1 stop9h 15m
Icelandair
Mon 9/142:15 pm
DUB
- BOS
1 stop9h 35m
Icelandair
Deal found 7/8![Icelandair logo]()
$490
This oojo deal was found by Cheapflights users on 7/7. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2611:00 pm
BOS
- DUB
1 stop9h 15m
Icelandair
Wed 9/212:15 pm
DUB
- BOS
1 stop11h 35m
Icelandair
Deal found 7/7![Icelandair logo]()
$491
This Cheapflightsfares deal was found by Cheapflights users on 7/9. 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 8/288:50 pm
BOS
- KEF
Nonstop5h 15m
Icelandair
Sat 9/125:10 pm
KEF
- BOS
Nonstop5h 40m
Icelandair
Deal found 7/9![Icelandair logo]()
$462
One-way flights from Boston to EuropeSearch for one-way flight options from Boston to Europe. Find affordable one-way fares based on user searches. Data last updated July 12, 2026.
Search for one-way flight options from Boston to Europe. Find affordable one-way fares based on user searches. Data last updated July 12, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 7/8. 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 9/209:55 pm
BOS
- LHR
Nonstop6h 45m
British Airways
Deal found 7/8![British Airways logo]()
$281
This Cheapflightsfares deal was found by Cheapflights users on 7/9. 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 7/316:01 am
BOS
- LHR
1 stop10h 39m
British Airways
Deal found 7/9![British Airways logo]()
$282
This Kiwi.com deal was found by Cheapflights users on 7/8. 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.
Wed 10/710:05 am
BOS
- LGW
3 stops21h 25m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$282
This Cheapflightsfares deal was found by Cheapflights users on 7/8. 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.
Mon 8/246:39 pm
BOS
- LHR
Nonstop6h 51m
JetBlue
Deal found 7/8![JetBlue logo]()
$283
This Cheapflightsfares deal was found by Cheapflights users on 7/8. 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 9/39:49 pm
BOS
- LGW
Nonstop6h 46m
JetBlue
Deal found 7/8![JetBlue logo]()
$283
This eDestinos deal was found by Cheapflights users on 7/7. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/117:10 pm
BOS
- LHR
Nonstop6h 35m
Virgin Atlantic
Deal found 7/7![Virgin Atlantic logo]()
$284
This Kiwi.com deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/208:50 pm
BOS
- LGW
1 stop9h 55m
Icelandair
Deal found 7/9![Icelandair logo]()
$284
This KLM deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” 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.
Sun 8/99:30 pm
BOS
- LHR
Nonstop6h 45m
KLM
Deal found 7/10![KLM logo]()
$285
This JetBlue deal was found by Cheapflights users on 7/9. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/19:49 pm
BOS
- LGW
Nonstop6h 46m
JetBlue
Deal found 7/9![JetBlue logo]()
$285
This Kiwi.com deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:30 pm
BOS
- LHR
1 stop9h 35m
Aer Lingus
Deal found 7/8![Aer Lingus logo]()
$286
This Kiwi.com deal was found by Cheapflights users on 7/8. 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.
Tue 8/1110:04 am
BOS
- LGW
1 stop18h 56m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$286
This Kiwi.com deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” 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 10/810:05 am
BOS
- LGW
2 stops30h 20m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$287
Find flight deals from Boston to Europe
Keep the following information in mind while searching for Boston to Europe flight deals. Data was last updated July 12, 2026.
Round-trip from | $421 (Gotogate) |
|---|---|
One-way from | $281 (Cheapflightsfares) |
Popular in | June |
Cheapest in | February |
Average price | $1,128 |
Good round-trip deal | $414 or less |
Good one-way deal | $279 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Boston to Europe that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 12, 2026.
Use the filters below to find and compare flights from Boston to Europe that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BostonReykjavik
BOS - KEF
BOSKEF
Boston Logan Intl
Sat 11/21
8:25 pm-10:00 am
1 stop32h 35m
Reykjavik Keflavik Intl
Thu 11/26
12:00 pm-5:55 pm
2 stops34h 55m
$523
BostonReykjavik
BOS - KEF
BOSKEF
Boston Logan Intl
Sat 9/19
6:00 am-7:00 am
1 stop21h 00m
Reykjavik Keflavik Intl
Sat 10/3
10:00 am-5:42 pm
2 stops35h 42m
$541
BostonReykjavik
BOS - KEF
BOSKEF
Boston Logan Intl
Sat 8/15
6:42 pm-8:50 am
1 stop10h 08m
Reykjavik Keflavik Intl
Tue 8/18
12:00 pm-9:59 pm
2 stops13h 59m
$548
BostonReykjavik
BOS - KEF
BOSKEF
Boston Logan Intl
Fri 8/14
8:31 pm-8:50 am
1 stop32h 19m
Reykjavik Keflavik Intl
Tue 8/18
12:00 pm-11:34 pm
1 stop15h 34m
$549
BostonReykjavik
BOS - KEF
BOSKEF
Boston Logan Intl
Mon 8/31
5:45 am-8:30 am
1 stop22h 45m
Reykjavik Keflavik Intl
Sun 9/6
10:00 am-2:41 pm
2 stops32h 41m
$558
BostonReykjavik
BOS - KEF
BOSKEF
Boston Logan Intl
Fri 8/21
5:01 pm-8:50 am
1 stop11h 49m
Reykjavik Keflavik Intl
Sat 8/29
9:15 am-6:57 pm
2 stops13h 42m
$568
BostonDublin
BOS - DUB
BOSDUB
Boston Logan Intl
Wed 8/12
6:01 am-9:45 am
1 stop22h 44m
Dublin
Sat 8/22
9:50 am-9:45 am
1 stop28h 55m
$570
BostonReykjavik
BOS - KEF
BOSKEF
Boston Logan Intl
Mon 10/12
8:25 pm-7:55 am
2 stops31h 30m
Reykjavik Keflavik Intl
Tue 10/20
12:10 am-1:50 pm
1 stop17h 40m
$572
BostonDublin
BOS - DUB
BOSDUB
Boston Logan Intl
Tue 8/11
11:40 pm-10:45 am
Nonstop6h 05m
Dublin
Fri 8/21
3:00 pm-5:17 pm
Nonstop7h 17m
$585
BostonReykjavik
BOS - KEF
BOSKEF
Boston Logan Intl
Thu 9/17
6:40 pm-8:55 am
1 stop10h 15m
Reykjavik Keflavik Intl
Thu 9/24
5:10 pm-6:50 pm
Nonstop5h 40m
$594
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Boston to Europe
Have a flexible travel schedule? Discover the best time to fly to Europe from Boston with our price prediction graph.
BOS-LHR
BOS-LGW
BOS-LCY
BOS-LIS
BOS-CDG
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 Europe
BOS-EU0
BOS-LHR
BOS-LGW
BOS-LCY
BOS-LIS
What is the cheapest month to book a flight from Boston to Europe?
Currently, January is the cheapest month in which you can book a flight from Boston to Europe (average of $568). Flying from Boston to Europe in June is currently the most expensive (average of $963). 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 EU?
Find hourly flight availability from Boston to Europe. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 12, 2026.
When flying from Boston to Europe, 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 Europe
Explore weekly flight availability from Boston to Europe. 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 July 12, 2026.
The most flights from BOS to EU0 are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).
How far ahead should I book a flight from Boston to Europe?
Booking 42 days in advance of your planned departure date is, on average, the best time to get cheap flights from Boston to Europe. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Reviews of airlines servicing Europe
Get insights into the airlines that provide service to Europe. 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 Europe. Reviews last updated July 12, 2026.
Peruse reviews from past customers who have flown with Delta,Aer Lingus, andTAP AIR PORTUGAL from Boston to Europe 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
8.5
Comfort
7.8
Overall
7.8
Entertainment
7.8
Food
7.2
Boarding
8.1
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Crew
8.5
Comfort
7.8
Overall
7.8
Entertainment
7.8
Food
7.2
Boarding
8.1
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Crew
8.5
Comfort
7.8
Overall
7.8
Entertainment
7.8
Food
7.2
Boarding
8.1
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Crew
8.5
Comfort
7.8
Overall
7.8
Entertainment
7.8
Food
7.2
Boarding
8.1
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Crew
8.5
Comfort
7.8
Overall
7.8
Entertainment
7.8
Food
7.2
Boarding
8.1
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Crew
8.5
Comfort
7.8
Overall
7.8
Entertainment
7.8
Food
7.2
Boarding
8.1
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 Europe. 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 Europe
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Complete your trip
Complete your trip to Europe by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Boston to Europe by cabin class
Find flights from Boston to Europe, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Boston and Europe flights
Browse other Boston and Europe flight options. Last updated on July 12, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Fly to Europe countries
Consider these flights traveling to countries located in Europe.
Boston to Europe flights
Consider these flights traveling from Boston to Europe.
Top 10 airlines flying from Boston to Europe
Discover the top 10 airlines that operate flights from Boston to Europe. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$231 | Average$448 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$238 | Average$676 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$249 | Average$688 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$310 | Average$703 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$311 | Average$834 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$320 | Average$841 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$337 | Average$618 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$346 | Average$751 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$350 | Average$615 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$357 | Average$558 | FlexibilityNo cancel fee | On-time76% |