$213+ 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 3/18. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — CPH
Mar 5 — Mar 121
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Boston to Europe 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.Cheap flight deals from Boston to Europe
Cheapest
Best
Last-minute
One-way
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 February 3, 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 February 3, 2026.
This oojo deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” 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.
Mon 5/411:00 pm
BOS
- DUB
1 stop9h 15m
Icelandair
Fri 5/1512:15 pm
DUB
- BOS
1 stop14h 30m
Icelandair
Deal found 2/1![Icelandair logo]()
$350
This Delta deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/2310:15 pm
BOS
- DUB
Nonstop6h 05m
Delta
Mon 3/211:30 am
DUB
- BOS
Nonstop7h 10m
Delta
Deal found 2/2![Delta logo]()
$351
This KLM deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” 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 3/310:15 pm
BOS
- DUB
Nonstop6h 05m
KLM
Tue 3/1011:30 am
DUB
- BOS
Nonstop7h 10m
KLM
Deal found 1/31![KLM logo]()
$352
This United Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” 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 2/1110:30 am
BOS
- DUB
1 stop16h 40m
United Airlines
Fri 2/279:00 am
DUB
- BOS
1 stop14h 02m
United Airlines
Deal found 2/1![United Airlines logo]()
$353
This Delta deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” 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 4/55:50 am
BOS
- DUB
1 stop21h 05m
Delta
Wed 5/63:00 pm
DUB
- BOS
Nonstop7h 04m
Delta
Deal found 2/1![Delta logo]()
$354
This Delta deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/215:50 am
BOS
- DUB
1 stop20h 55m
Delta
Sat 2/2811:30 am
DUB
- BOS
Nonstop7h 25m
Delta
Deal found 2/2![Delta logo]()
$355
This Kiwi.com deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” 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 4/2211:00 pm
BOS
- DUB
1 stop9h 15m
Icelandair
Wed 4/2912:15 pm
DUB
- BOS
1 stop14h 30m
Icelandair
Deal found 1/31![Icelandair logo]()
$356
This JetBlue deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” 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.
Wed 4/229:02 pm
BOS
- DUB
Nonstop6h 18m
JetBlue
Wed 4/2910:40 am
DUB
- BOS
Nonstop6h 59m
JetBlue
Deal found 2/1![JetBlue logo]()
$357
This United Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” 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 4/229:30 am
BOS
- DUB
1 stop16h 50m
United Airlines
Wed 5/69:20 am
DUB
- BOS
1 stop11h 48m
United Airlines
Deal found 2/2![United Airlines logo]()
$358
This Air Canada deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/193:35 pm
BOS
- DUB
2 stops34h 35m
Air Canada
Sun 3/19:00 am
DUB
- BOS
1 stop14h 02m
Air Canada
Deal found 2/2![Air Canada logo]()
$359
This United Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” 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 2/278:11 am
BOS
- DUB
2 stops17h 59m
United Airlines
Sun 3/88:00 am
DUB
- BOS
2 stops37h 50m
United Airlines
Deal found 2/2![United Airlines logo]()
$360
This Delta deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” 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 4/264:00 pm
BOS
- DUB
1 stop12h 15m
Delta
Tue 5/53:00 pm
DUB
- BOS
Nonstop7h 04m
Delta
Deal found 2/2![Delta logo]()
$361
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 February 3, 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 February 3, 2026.
This Delta deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” 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 3/2011:15 pm
BOS
- DUB
Nonstop6h 05m
Delta
Wed 3/2511:30 am
DUB
- BOS
Nonstop7h 10m
Delta
Deal found 2/1![Delta logo]()
$352
This United Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” 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 2/252:20 pm
BOS
- DUB
2 stops12h 10m
United Airlines
Sun 3/19:00 am
DUB
- BOS
1 stop11h 57m
United Airlines
Deal found 2/2![United Airlines logo]()
$356
This KLM deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” 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 4/2411:30 pm
BOS
- DUB
Nonstop6h 15m
KLM
Thu 4/303:00 pm
DUB
- BOS
Nonstop7h 04m
KLM
Deal found 1/31![KLM logo]()
$387
This British Airways deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” 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 4/2611:34 am
BOS
- MAD
1 stop12h 01m
British Airways
Thu 5/75:30 pm
MAD
- BOS
Nonstop8h 20m
British Airways
Deal found 2/3![British Airways logo]()
$416
This Icelandair deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” 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.
Wed 4/2211:00 pm
BOS
- CDG
1 stop11h 15m
Icelandair
Mon 5/45:15 pm
CDG
- BOS
1 stop10h 30m
Icelandair
Deal found 2/2![Icelandair logo]()
$459
This Scandinavian Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” 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.
Thu 4/25:40 pm
BOS
- BCN
1 stop18h 30m
Scandinavian Airlines
Sat 4/1111:50 am
BCN
- BOS
2 stops33h 45m
Scandinavian Airlines
Deal found 2/2![Scandinavian Airlines logo]()
$469
This Finnair deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” 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 5/610:50 pm
BOS
- BCN
Nonstop7h 20m
Finnair
Thu 5/146:30 pm
BCN
- BOS
Nonstop8h 35m
Finnair
Deal found 2/2![Finnair logo]()
$490
This KLM deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” 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.
Sat 4/114:54 pm
BOS
- FCO
1 stop12h 06m
Multiple Airlines
Tue 4/211:10 pm
FCO
- BOS
Nonstop9h 17m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$504
This SWISS deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/45:20 pm
BOS
- LGW
1 stop10h 00m
SWISS
Thu 5/79:25 am
LGW
- BOS
1 stop10h 45m
SWISS
Deal found 1/31![SWISS logo]()
$545
This Turkish Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/78:00 pm
BOS
- ATH
1 stop11h 55m
Turkish Airlines
Thu 3/2610:05 am
ATH
- BOS
1 stop15h 00m
Turkish Airlines
Deal found 2/2![Turkish Airlines logo]()
$581
This TAP AIR PORTUGAL deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/110:45 pm
BOS
- LGW
2 stops16h 40m
TAP AIR PORTUGAL
Sat 5/1612:05 pm
LGW
- BOS
1 stop13h 15m
TAP AIR PORTUGAL
Deal found 1/31![TAP AIR PORTUGAL logo]()
$586
This Virgin Atlantic deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” 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.
Mon 3/98:10 pm
BOS
- LCY
1 stop17h 10m
Virgin Atlantic
Thu 3/128:40 am
LCY
- BOS
2 stops19h 09m
Virgin Atlantic
Deal found 2/2![Virgin Atlantic logo]()
$592
This Lufthansa deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/65:45 pm
BOS
- LCY
1 stop9h 55m
Lufthansa
Wed 5/139:15 am
LCY
- BOS
1 stop11h 25m
Lufthansa
Deal found 2/1![Lufthansa logo]()
$627
This LEVEL deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” 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.
Fri 4/1010:50 pm
BOS
- LIS
1 stop13h 25m
LEVEL
Sat 4/182:00 pm
LIS
- BOS
1 stop12h 05m
LEVEL
Deal found 2/2![LEVEL logo]()
$662
This Delta deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” 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 3/172:00 pm
BOS
- DUB
1 stop13h 45m
Delta
Wed 3/2511:30 am
DUB
- BOS
Nonstop7h 10m
Delta
Deal found 2/1![Delta logo]()
$357
This United Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” 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 3/1910:45 am
BOS
- DUB
1 stop15h 25m
United Airlines
Thu 3/2612:05 pm
DUB
- BOS
1 stop15h 52m
United Airlines
Deal found 2/2![United Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” 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 4/55:50 am
BOS
- DUB
1 stop21h 05m
Delta
Wed 4/153:00 pm
DUB
- BOS
Nonstop7h 04m
Delta
Deal found 2/1![Delta logo]()
$361
This United Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” 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 3/32:20 pm
BOS
- DUB
2 stops14h 35m
United Airlines
Tue 3/1010:40 am
DUB
- BOS
2 stops15h 01m
United Airlines
Deal found 2/2![United Airlines logo]()
$370
This Delta deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” 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 3/1911:15 pm
BOS
- DUB
Nonstop6h 05m
Delta
Wed 3/259:45 am
DUB
- BOS
1 stop18h 04m
Delta
Deal found 2/2![Delta logo]()
$361
This United Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” 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 2/2612:05 pm
BOS
- DUB
2 stops14h 05m
United Airlines
Mon 3/29:00 am
DUB
- BOS
2 stops17h 51m
United Airlines
Deal found 2/2![United Airlines logo]()
$370
This United Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” 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 4/277:30 pm
BOS
- DUB
1 stop30h 50m
United Airlines
Sun 5/109:20 am
DUB
- BOS
2 stops37h 25m
United Airlines
Deal found 2/1![United Airlines logo]()
$370
This Scandinavian Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” 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.
Fri 5/15:40 pm
BOS
- FCO
1 stop18h 55m
Scandinavian Airlines
Wed 5/137:25 pm
FCO
- BOS
1 stop26h 10m
Scandinavian Airlines
Deal found 2/1![Scandinavian Airlines logo]()
$494
This Icelandair deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” 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.
Wed 4/111:00 pm
BOS
- LGW
1 stop10h 40m
Icelandair
Sat 4/113:40 pm
LGW
- BOS
1 stop11h 05m
Icelandair
Deal found 1/31![Icelandair logo]()
$501
This Delta deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/1611:00 am
BOS
- DUB
2 stops17h 00m
Delta
Mon 3/2310:45 am
DUB
- BOS
1 stop30h 30m
Delta
Deal found 2/1![Delta logo]()
$387
This KLM deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/57:10 pm
BOS
- LHR
Nonstop6h 40m
Multiple Airlines
Thu 3/126:20 am
LHR
- BOS
1 stop12h 10m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$519
This United Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” 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 2/242:20 pm
BOS
- DUB
2 stops12h 10m
United Airlines
Tue 3/312:05 pm
DUB
- BOS
2 stops14h 46m
United Airlines
Deal found 2/1![United Airlines logo]()
$371
This Scandinavian Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” 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.
Fri 4/35:40 pm
BOS
- BCN
1 stop18h 30m
Scandinavian Airlines
Sat 4/1111:50 am
BCN
- BOS
2 stops33h 45m
Scandinavian Airlines
Deal found 2/2![Scandinavian Airlines logo]()
$499
This KLM deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” 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 3/99:00 pm
BOS
- LHR
Nonstop6h 50m
Multiple Airlines
Thu 3/126:20 am
LHR
- BOS
1 stop12h 10m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$522
This Turkish Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” 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.
Sun 3/89:00 pm
BOS
- ATH
1 stop11h 55m
Turkish Airlines
Wed 3/259:50 am
ATH
- BOS
1 stop15h 15m
Turkish Airlines
Deal found 2/2![Turkish Airlines logo]()
$581
This Virgin Atlantic deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” 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 4/44:35 pm
BOS
- LCY
1 stop15h 40m
Virgin Atlantic
Tue 4/77:00 pm
LCY
- BOS
1 stop23h 13m
Virgin Atlantic
Deal found 2/2![Virgin Atlantic logo]()
$596
Last-minute flights from Boston to EuropeDiscover last-minute flight deals from Boston to Europe. Data last updated February 3, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Europe. Data last updated February 3, 2026 and is based on user searches.
This Gotogate deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” 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 2/710:15 am
BOS
- DUB
2 stops15h 55m
Multiple Airlines
Tue 3/310:50 am
DUB
- BOS
1 stop12h 45m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$354
This United Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” 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 2/1110:30 am
BOS
- DUB
1 stop16h 40m
United Airlines
Fri 2/279:00 am
DUB
- BOS
1 stop14h 02m
United Airlines
Deal found 2/1![United Airlines logo]()
$353
This United Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” 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 2/189:30 am
BOS
- DUB
2 stops41h 40m
United Airlines
Mon 2/239:00 am
DUB
- BOS
1 stop30h 02m
United Airlines
Deal found 2/2![United Airlines logo]()
$350
This Air Canada deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/193:35 pm
BOS
- DUB
2 stops34h 35m
Air Canada
Sun 3/19:00 am
DUB
- BOS
1 stop14h 02m
Air Canada
Deal found 2/2![Air Canada logo]()
$359
This KLM deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” 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.
Sat 2/2110:15 pm
BOS
- DUB
Nonstop6h 05m
Multiple Airlines
Sat 2/289:45 am
DUB
- BOS
1 stop15h 44m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$355
This United Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” 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 2/214:15 pm
BOS
- DUB
2 stops13h 05m
United Airlines
Sun 3/19:00 am
DUB
- BOS
1 stop11h 57m
United Airlines
Deal found 2/2![United Airlines logo]()
$356
This Delta deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/2310:15 pm
BOS
- DUB
Nonstop6h 05m
Delta
Mon 3/211:30 am
DUB
- BOS
Nonstop7h 10m
Delta
Deal found 2/2![Delta logo]()
$351
This United Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” 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 2/252:20 pm
BOS
- DUB
2 stops12h 10m
United Airlines
Sun 3/19:00 am
DUB
- BOS
1 stop14h 02m
United Airlines
Deal found 2/1![United Airlines logo]()
$358
This United Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” 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 2/278:11 am
BOS
- DUB
2 stops17h 59m
United Airlines
Sun 3/88:00 am
DUB
- BOS
2 stops37h 50m
United Airlines
Deal found 2/2![United Airlines logo]()
$360
This KLM deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” 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 3/310:15 pm
BOS
- DUB
Nonstop6h 05m
KLM
Tue 3/1011:30 am
DUB
- BOS
Nonstop7h 10m
KLM
Deal found 1/31![KLM logo]()
$352
This Delta deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” 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 3/3111:30 pm
BOS
- DUB
Nonstop6h 15m
Delta
Wed 4/153:00 pm
DUB
- BOS
Nonstop7h 04m
Delta
Deal found 2/1![Delta logo]()
$357
This Delta deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” 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 3/315:50 am
BOS
- DUB
1 stop21h 05m
Delta
Tue 4/73:00 pm
DUB
- BOS
Nonstop7h 04m
Delta
Deal found 2/1![Delta logo]()
$361
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 February 3, 2026.
Search for one-way flight options from Boston to Europe. Find affordable one-way fares based on user searches. Data last updated February 3, 2026.
This Trip.com deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/188:50 pm
BOS
- CDG
2 stops19h 30m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$213
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” 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 3/319:45 am
BOS
- DUB
2 stops26h 15m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$217
This Mytrip deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” 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 5/16:30 pm
BOS
- LHR
1 stop9h 35m
Aer Lingus
Deal found 2/1![Aer Lingus logo]()
$223
This Cheapflightsfares deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” 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 7/319:55 pm
BOS
- LGW
Nonstop6h 40m
JetBlue
Deal found 2/1![JetBlue logo]()
$223
This KLM deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” 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 4/2111:10 pm
BOS
- LHR
Nonstop6h 30m
KLM
Deal found 2/3![KLM logo]()
$224
This KAYAK deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” 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.
Thu 7/309:55 pm
BOS
- LGW
Nonstop6h 40m
JetBlue
Deal found 2/2![JetBlue logo]()
$224
This Cheapflightsfares deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” 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.
Sat 2/287:39 pm
BOS
- LHR
1 stop20h 06m
JetBlue
Deal found 2/1![JetBlue logo]()
$225
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” 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 3/295:20 pm
BOS
- LGW
1 stop19h 30m
SWISS
Deal found 2/1![SWISS logo]()
$225
This Mytrip deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” 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.
Wed 3/118:50 pm
BOS
- DUB
2 stops21h 35m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$225
This Kiwi.com deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” 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 8/29:40 pm
BOS
- FCO
2 stops28h 15m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$225
This Air Canada deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2710:40 am
BOS
- LHR
2 stops29h 20m
Air Canada
Deal found 2/2![Air Canada logo]()
$226
This Mytrip deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/275:20 pm
BOS
- LGW
1 stop10h 00m
SWISS
Deal found 2/2![SWISS logo]()
$226
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 February 3, 2026.
Round-trip from | $350 (oojo) |
|---|---|
One-way from | $213 (Trip.com) |
Popular in | June |
Cheapest in | November |
Average price | $797 |
Good round-trip deal | $397 or less |
Good one-way deal | $264 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 February 3, 2026.
Use the filters below to find and compare flights from Boston to Europe that are best for you.
Fly from
Boston
Fly to
Europe
Route
Depart
Return
Price
BostonDublin
BOS - DUB
BOSDUB
Boston Logan Intl
Fri 3/20
11:15 pm-9:20 am
Nonstop6h 05m
Dublin
Wed 3/25
11:30 am-2:40 pm
Nonstop7h 10m
$352
BostonDublin
BOS - DUB
BOSDUB
Boston Logan Intl
Wed 2/25
2:20 pm-7:30 am
2 stops12h 10m
Dublin
Sun 3/1
9:00 am-3:57 pm
1 stop11h 57m
$356
BostonDublin
BOS - DUB
BOSDUB
Boston Logan Intl
Tue 3/17
2:00 pm-7:45 am
1 stop13h 45m
Dublin
Wed 3/25
11:30 am-2:40 pm
Nonstop7h 10m
$357
BostonDublin
BOS - DUB
BOSDUB
Boston Logan Intl
Sun 4/5
5:50 am-7:55 am
1 stop21h 05m
Dublin
Wed 4/15
3:00 pm-5:04 pm
Nonstop7h 04m
$361
BostonDublin
BOS - DUB
BOSDUB
Boston Logan Intl
Thu 3/19
11:15 pm-9:20 am
Nonstop6h 05m
Dublin
Wed 3/25
9:45 am-11:49 pm
1 stop18h 04m
$361
BostonDublin
BOS - DUB
BOSDUB
Boston Logan Intl
Thu 3/19
10:45 am-6:10 am
1 stop15h 25m
Dublin
Thu 3/26
12:05 pm-11:57 pm
1 stop15h 52m
$369
BostonDublin
BOS - DUB
BOSDUB
Boston Logan Intl
Tue 3/3
2:20 pm-9:55 am
2 stops14h 35m
Dublin
Tue 3/10
10:40 am-9:41 pm
2 stops15h 01m
$370
BostonDublin
BOS - DUB
BOSDUB
Boston Logan Intl
Thu 2/26
12:05 pm-7:10 am
2 stops14h 05m
Dublin
Mon 3/2
9:00 am-9:51 pm
2 stops17h 51m
$370
BostonDublin
BOS - DUB
BOSDUB
Boston Logan Intl
Mon 4/27
7:30 pm-7:20 am
1 stop30h 50m
Dublin
Sun 5/10
9:20 am-5:45 pm
2 stops37h 25m
$370
BostonDublin
BOS - DUB
BOSDUB
Boston Logan Intl
Tue 2/24
2:20 pm-7:30 am
2 stops12h 10m
Dublin
Tue 3/3
12:05 pm-9:51 pm
2 stops14h 46m
$371
Showing 1-10 of 60 results
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-DUB
BOS-CDG
BOS-LHR
BOS-LGW
BOS-FCO
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-DUB
BOS-CDG
BOS-LHR
BOS-LGW
What is the cheapest month to book a flight from Boston to Europe?
Currently, November is the cheapest month in which you can book a flight from Boston to Europe (average of $238). Flying from Boston to Europe in June is currently the most expensive (average of $415). 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 February 3, 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.
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 February 3, 2026.
Peruse reviews from past customers who have flown with Delta, Aer Lingus, and Iberia 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
Overall
7.9
Comfort
7.9
Food
7.2
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Crew
8.5
Overall
7.9
Comfort
7.9
Food
7.2
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Crew
8.5
Overall
7.9
Comfort
7.9
Food
7.2
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Crew
8.5
Overall
7.9
Comfort
7.9
Food
7.2
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Crew
8.5
Overall
7.9
Comfort
7.9
Food
7.2
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Crew
8.5
Overall
7.9
Comfort
7.9
Food
7.2
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
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.
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 for Boston to Europe
See prices for flight routes from nearby airports that may be better suited for you.
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 February 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$78 | Average$581 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$180 | Average$593 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$238 | Average$686 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$245 | Average$531 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$299 | Average$396 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$311 | Average$809 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$318 | Average$684 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$337 | Average$524 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$348 | Average$542 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$351 | Average$814 | FlexibilityNo cancel fee | On-time71% |