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Cheap flights from Boston to Europe from $201

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Europe departing on 1/31. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Boston to Europe

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
7:45 pm - 9:55 am
BOS
-
DUB
9h 10m1 stop
United Airlines Logo
8:00 am - 5:50 pm
DUB
-
BOS
37h 50m2 stops
$349United Airlines
to, maalis 5 - ma, maalis 9
KLM Logo
4:45 pm - 8:45 am
BOS
-
DUB
11h 00m1 stop
KLM Logo
11:30 am - 1:55 pm
DUB
-
BOS
7h 25mnonstop
$350KLM
la, helmi 21 - la, helmi 28
Delta Logo
9:02 am - 9:15 am
BOS
-
DUB
19h 13m1 stop
Delta Logo
3:00 pm - 5:04 pm
DUB
-
BOS
7h 04mnonstop
$358Delta
ke, huhti 22 - ti, huhti 28
Icelandair Logo
7:50 pm - 1:15 pm
BOS
-
BCN
11h 25m1 stop
Icelandair Logo
11:50 am - 5:50 pm
BCN
-
BOS
12h 00m1 stop
$386Icelandair
su, helmi 22 - pe, helmi 27
Icelandair Logo
7:50 pm - 1:35 pm
BOS
-
BCN
11h 45m1 stop
Icelandair Logo
11:50 am - 5:50 pm
BCN
-
BOS
12h 00m1 stop
$387Icelandair
pe, tammi 30 - pe, helmi 6
Delta Logo
5:35 am - 10:30 am
BOS
-
FCO
22h 55m1 stop
Delta Logo
1:20 pm - 4:37 pm
FCO
-
BOS
9h 17mnonstop
$437Delta
ke, tammi 21 - ke, huhti 1
Aer Lingus Logo
6:10 pm - 10:40 am
BOS
-
FCO
11h 30m1 stop
Aer Lingus Logo
11:20 am - 7:55 pm
FCO
-
BOS
13h 35m1 stop
$441Aer Lingus
ma, maalis 9 - pe, maalis 20
Lufthansa Logo
2:20 pm - 10:50 am
BOS
-
LHR
15h 30m1 stop
Lufthansa Logo
7:40 am - 6:57 pm
LHR
-
BOS
16h 17m2 stops
$503Lufthansa
pe, tammi 16 - pe, tammi 30
Aer Lingus Logo
6:35 pm - 9:05 am
BOS
-
LHR
9h 30m1 stop
Aer Lingus Logo
9:50 am - 2:40 pm
LHR
-
BOS
9h 50m1 stop
$508Aer Lingus
su, huhti 19 - ti, huhti 28
Lufthansa Logo
2:20 pm - 12:00 pm
BOS
-
ATH
14h 40m2 stops
Lufthansa Logo
6:35 am - 6:57 pm
ATH
-
BOS
19h 22m2 stops
$515Lufthansa
to, tammi 29 - to, helmi 5

Iberia flights from Boston to Europe

Our best Iberia deals on Boston to Europe flight tickets
Iberia
Jan 18
BOS9:20 pmBoston Logan Intl
7h 00m
MAD10:20 amMadrid Barajas
Jan 27
MAD12:30 pmMadrid Barajas
8h 45m
BOS3:15 pmBoston Logan Intl
$393
Find similar
Iberia
Jan 18
BOS3:35 pmBoston Logan Intl
11h 15m
1 stop
MAD8:50 amMadrid Barajas
Jan 27
MAD12:30 pmMadrid Barajas
8h 45m
BOS3:15 pmBoston Logan Intl
$395
Find similar
Iberia
Jan 19
BOS4:45 pmBoston Logan Intl
7h 00m
MAD5:45 amMadrid Barajas
Feb 4
MAD12:30 pmMadrid Barajas
8h 45m
BOS3:15 pmBoston Logan Intl
$404
Find similar

Finnair flights from Boston to Europe

Our best Finnair deals on Boston to Europe flight tickets
Finnair
Jan 18
BOS9:20 pmBoston Logan Intl
7h 00m
MAD10:20 amMadrid Barajas
Jan 27
MAD12:30 pmMadrid Barajas
8h 45m
BOS3:15 pmBoston Logan Intl
$397
Find similar
Finnair
Jan 18
BOS9:20 pmBoston Logan Intl
7h 00m
MAD10:20 amMadrid Barajas
Jan 27
MAD12:30 pmMadrid Barajas
8h 45m
BOS3:15 pmBoston Logan Intl
$398
Find similar
Finnair
Jan 18
BOS9:20 pmBoston Logan Intl
7h 00m
MAD10:20 amMadrid Barajas
Jan 27
MAD12:10 pmMadrid Barajas
16h 46m
1 stop
BOS10:56 pmBoston Logan Intl
$400
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated tammikuu 2, 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

Price

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

to 3/5

7:45 pm-9:55 am

1 stop9h 10m

Dublin

ma 3/9

8:00 am-5:50 pm

2 stops37h 50m

$349

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

la 2/21

4:45 pm-8:45 am

1 stop11h 00m

Dublin

la 2/28

11:30 am-1:55 pm

Nonstop7h 25m

$350

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

ke 4/22

9:02 am-9:15 am

1 stop19h 13m

Dublin

ti 4/28

3:00 pm-5:04 pm

Nonstop7h 04m

$358

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

su 2/22

7:50 pm-1:15 pm

1 stop11h 25m

Barcelona-El Prat

pe 2/27

11:50 am-5:50 pm

1 stop12h 00m

$386

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

pe 1/30

7:50 pm-1:35 pm

1 stop11h 45m

Barcelona-El Prat

pe 2/6

11:50 am-5:50 pm

1 stop12h 00m

$387

BostonRome

BOS - FCO

BOSFCO

Boston Logan Intl

ke 1/21

5:35 am-10:30 am

1 stop22h 55m

Rome Fiumicino

ke 4/1

1:20 pm-4:37 pm

Nonstop9h 17m

$437

BostonRome

BOS - FCO

BOSFCO

Boston Logan Intl

ma 3/9

6:10 pm-10:40 am

1 stop11h 30m

Rome Fiumicino

pe 3/20

11:20 am-7:55 pm

1 stop13h 35m

$441

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

pe 1/16

2:20 pm-10:50 am

1 stop15h 30m

London Heathrow

pe 1/30

7:40 am-6:57 pm

2 stops16h 17m

$503

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

su 4/19

6:35 pm-9:05 am

1 stop9h 30m

London Heathrow

ti 4/28

9:50 am-2:40 pm

1 stop9h 50m

$508

BostonAthens

BOS - ATH

BOSATH

Boston Logan Intl

to 1/29

2:20 pm-12:00 pm

2 stops14h 40m

Athens Eleftherios V.

to 2/5

6:35 am-6:57 pm

2 stops19h 22m

$515

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Boston to Europe

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Europe?

The cheapest month to fly to Europe from Boston is in October. Flight prices, which tend to average around $517, are often lower during this time because this is during the off-season. If you aren’t able to travel to Europe during the month of October, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $545.

What is the cheapest day to depart on your flight to Europe?

The cheapest day to depart from Boston to Europe is on a Tuesday. Travelers who choose to depart for Europe on a Tuesday will often find tickets for as low as $656. Flights from Boston to Europe on a Saturday will generally be more expensive and average around $719. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Europe?

According to our data, the cheapest time of day to fly to Europe is in the afternoon. momondo users have found flights departing from Boston to Europe in the afternoon for as low as $629. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the evening because they tend to be around $697. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Boston Logan Intl to Europe flight route?

Fly from Boston Logan Intl to Barcelona-El Prat for the best Boston Logan Intl - Europe flight prices

How far in advance should I book a flight to Europe?

You are more likely to see cheaper flights to Europe from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Europe for around $635 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Europe from Boston for as low as $598 on momondo.

What cabin class options are available on Boston Logan Intl to Europe flights?

There are 4 cabin classes available to choose from on Boston Logan Intl to Europe flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Boston to Europe flights?

You could potentially save up to 15% on your flight if you consider stops on a Boston to Europe flight.

Cheap Boston to Europe flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Europe

Best Price Found

$271

Fastest flight time

1h 35m

Direct flights

Every day

Airports in Europe

4,107 airports
The best one-way flight to Europe from Boston in the past 72 hours is $271. The best round-trip flight deal from Boston to Europe found on momondo in the last 72 hours is $355.
The fastest flight from Boston to Europe takes 1h 35m
Direct flights go from Boston to Europe every day.
There are 4,107 airports in Europe. From Boston there are direct flights to Dublin (DUB).
Search flight deals

  • When did momondo last update prices for flights from Boston Logan Intl Airport to Europe?

    Prices for flights from Boston Logan Intl Airport to Europe were last updated today.

  • How many operators does momondo search for flights from Boston Logan Intl Airport to Europe?

  • How old do you have to be to fly from Boston Logan Intl Airport to Europe?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Boston Logan Intl Airport to Europe.

  • What documentation or ID do you need to fly to Europe?

    The travel and health documents you'll need for your trip to Europe may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Europe. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Boston to Europe

Compare and see reviews for airlines that fly from Boston to Europe with momondo
Airline
Rating
Free Cancellation
Price
VuelingPriceFrom $165Free CancellationRating
7.1
1,220 reviews
Search Vueling flights
Aer LingusPriceFrom $238Free CancellationRating
7.2
1,418 reviews
Search Aer Lingus flights
PLAYPriceFrom $290Free CancellationRating
7.0
103 reviews
Search PLAY flights
SWISSPriceFrom $318Free CancellationRating
7.5
1,832 reviews
Search SWISS flights
LEVELPriceFrom $346Free CancellationRating
0.0
0 reviews
Search LEVEL flights
FinnairPriceFrom $348Free CancellationRating
7.6
1,343 reviews
Search Finnair flights
CondorPriceFrom $350Free CancellationRating
6.5
395 reviews
Search Condor flights
IcelandairPriceFrom $355Free CancellationRating
7.1
593 reviews
Search Icelandair flights
KLMPriceFrom $361Free CancellationRating
7.7
1,435 reviews
Search KLM flights
Air CanadaPriceFrom $378Free CancellationRating
7.1
10,573 reviews
Search Air Canada flights

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Europe?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Boston to Europe for you.

Can I find flights from Boston to Europe with flexible booking policies on momondo?

All flight searches from Boston to Europe on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Boston to Europe?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Boston to Europe.

I’m not ready to book a flight from Boston to Europe right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Europe, momondo offers a useful price alert feature which will track prices for flights to Europe from Boston and alert you when they change.

An easier way to manage your Europe trip

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