Cheap flights from Boston to Europe from $224

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 7/19. 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
1 adult, Economy, 0 bags

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Find the cheapest flights from Boston to Europe

Cheap round-trip flights

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Multiple Airlines Logo
9:30 pm - 5:15 pm
BOS
-
DUB
14h 45m
1 stop
Multiple Airlines Logo
12:30 pm - 9:20 pm
DUB
-
BOS
13h 50m
1 stop
$482Multiple Airlines
Thu, Aug 13 - Wed, Aug 19
Multiple Airlines Logo
9:30 pm - 3:45 pm
BOS
-
DUB
13h 15m
1 stop
Multiple Airlines Logo
7:30 am - 7:15 pm
DUB
-
BOS
16h 45m
2 stops
$487Multiple Airlines
Thu, Aug 13 - Wed, Aug 19
Multiple Airlines Logo
11:10 pm - 5:15 pm
BOS
-
DUB
13h 05m
1 stop
Multiple Airlines Logo
8:40 am - 7:15 pm
DUB
-
BOS
15h 35m
2 stops
$488Multiple Airlines
Thu, Aug 6 - Sun, Aug 23
Icelandair Logo
7:50 pm - 10:15 am
BOS
-
DUB
9h 25m
1 stop
Icelandair Logo
11:30 am - 5:50 pm
DUB
-
BOS
11h 20m
1 stop
$494Icelandair
Fri, Nov 6 - Fri, Nov 13
Icelandair Logo
7:50 pm - 10:15 am
BOS
-
DUB
9h 25m
1 stop
Icelandair Logo
11:30 am - 5:50 pm
DUB
-
BOS
11h 20m
1 stop
$495Icelandair
Thu, Nov 19 - Thu, Nov 26
Delta Logo
10:00 pm - 3:35 pm
BOS
-
MAD
11h 35m
1 stop
Delta Logo
2:35 pm - 4:40 pm
MAD
-
BOS
8h 05mnonstop
$679Delta
Mon, Sep 28 - Tue, Oct 13
Delta Logo
5:25 pm - 6:20 am
BOS
-
MAD
6h 55mnonstop
Delta Logo
2:35 pm - 4:31 pm
MAD
-
BOS
7h 56mnonstop
$680Delta
Sun, Aug 16 - Sat, Aug 22
TAP AIR PORTUGAL Logo
11:15 pm - 4:40 pm
BOS
-
FCO
35h 25m
2 stops
TAP AIR PORTUGAL Logo
5:40 pm - 2:40 pm
FCO
-
BOS
27h 00m
1 stop
$685TAP AIR PORTUGAL
Sat, Aug 29 - Sat, Sep 12
TAP AIR PORTUGAL Logo
10:45 pm - 10:20 am
BOS
-
FCO
29h 35m
1 stop
TAP AIR PORTUGAL Logo
8:00 pm - 8:20 pm
FCO
-
BOS
30h 20m
2 stops
$692TAP AIR PORTUGAL
Tue, Sep 8 - Fri, Sep 18
Lufthansa Logo
7:23 pm - 6:40 pm
BOS
-
ATH
16h 17m
2 stops
Lufthansa Logo
7:30 pm - 5:40 pm
ATH
-
BOS
29h 10m
1 stop
$964Lufthansa
Wed, Aug 12 - Tue, Aug 18

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British Airways flights from Boston to Europe

Our best British Airways deals on Boston to Europe flight tickets
British Airways
Sep 4
BOS7:40 pmBoston Logan Intl
11h 00m
1 stop
MAD12:40 pmMadrid Barajas
Sep 14
MAD1:50 pmMadrid Barajas
8h 20m
BOS4:10 pmBoston Logan Intl
$718
British Airways
Jul 2
BOS3:03 pmBoston Logan Intl
12h 32m
1 stop
MAD9:35 amMadrid Barajas
Sep 13
MAD4:20 pmMadrid Barajas
13h 08m
1 stop
BOS11:28 pmBoston Logan Intl
$767
British Airways
Jul 5
BOS8:45 pmBoston Logan Intl
7h 10m
MAD9:55 amMadrid Barajas
Jul 15
MAD5:10 pmMadrid Barajas
8h 20m
BOS7:30 pmBoston Logan Intl
$770

Finnair flights from Boston to Europe

Our best Finnair deals on Boston to Europe flight tickets
Finnair
Jul 6
BOS5:38 pmBoston Logan Intl
13h 52m
1 stop
MAD1:30 pmMadrid Barajas
Jul 14
MAD4:20 pmMadrid Barajas
12h 39m
1 stop
BOS10:59 pmBoston Logan Intl
$710
Finnair
Jul 8
BOS5:38 pmBoston Logan Intl
13h 52m
1 stop
MAD1:30 pmMadrid Barajas
Jul 21
MAD5:30 pmMadrid Barajas
8h 20m
BOS7:50 pmBoston Logan Intl
$715
Finnair
Jul 30
BOS9:01 amBoston Logan Intl
18h 04m
1 stop
MAD9:05 amMadrid Barajas
Aug 8
MAD5:30 pmMadrid Barajas
8h 20m
BOS7:50 pmBoston Logan Intl
$716

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 June 25, 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

Cheapest round-trip

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Thu 8/13

9:30 pm-5:15 pm

1 stop14h 45m

Dublin

Wed 8/19

12:30 pm-9:20 pm

1 stop13h 50m

$482

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Thu 8/13

9:30 pm-3:45 pm

1 stop13h 15m

Dublin

Wed 8/19

7:30 am-7:15 pm

2 stops16h 45m

$487

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Thu 8/6

11:10 pm-5:15 pm

1 stop13h 05m

Dublin

Sun 8/23

8:40 am-7:15 pm

2 stops15h 35m

$488

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Fri 11/6

7:50 pm-10:15 am

1 stop9h 25m

Dublin

Fri 11/13

11:30 am-5:50 pm

1 stop11h 20m

$494

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Thu 11/19

7:50 pm-10:15 am

1 stop9h 25m

Dublin

Thu 11/26

11:30 am-5:50 pm

1 stop11h 20m

$495

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Mon 9/28

10:00 pm-3:35 pm

1 stop11h 35m

Madrid Barajas

Tue 10/13

2:35 pm-4:40 pm

Nonstop8h 05m

$679
Quickest round-trip

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Sun 8/16

5:25 pm-6:20 am

Nonstop6h 55m

Madrid Barajas

Sat 8/22

2:35 pm-4:31 pm

Nonstop7h 56m

$680

BostonRome

BOS - FCO

BOSFCO

Boston Logan Intl

Sat 8/29

11:15 pm-4:40 pm

2 stops35h 25m

Rome Fiumicino

Sat 9/12

5:40 pm-2:40 pm

1 stop27h 00m

$685

BostonRome

BOS - FCO

BOSFCO

Boston Logan Intl

Tue 9/8

10:45 pm-10:20 am

1 stop29h 35m

Rome Fiumicino

Fri 9/18

8:00 pm-8:20 pm

2 stops30h 20m

$692

BostonAthens

BOS - ATH

BOSATH

Boston Logan Intl

Wed 8/12

7:23 pm-6:40 pm

2 stops16h 17m

Athens Eleftherios V.

Tue 8/18

7:30 pm-5:40 pm

1 stop29h 10m

$964

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 February. Flight prices, which tend to average around $567, 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 February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $567.

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

The cheapest day to depart from Boston to Europe is on a Wednesday. Travelers who choose to depart for Europe on a Wednesday will often find tickets for as low as $701. Flights from Boston to Europe on a Saturday will generally be more expensive and average around $727. 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 $609. 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 $719. 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 Lisbon Humberto Delgado for the best Boston Logan Intl - Europe flight prices

How far in advance should I book a flight from Boston 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 $662 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 $594 on momondo.

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

There are 4 cabin classes available to choose from on Boston 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?

No. A direct flight is the cheapest option for a flight between Boston to Europe.

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

$305

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 $305. The best round-trip flight deal from Boston to Europe found on momondo in the last 72 hours is $477.
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).

Frequently asked questions about flying from Boston to Europe

  • 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
LEVELPriceFrom $138Free CancellationRating
0.0
Search LEVEL flights
Aer LingusPriceFrom $238Free CancellationRating
7.3
1,626 reviews
Search Aer Lingus flights
Azores AirlinesPriceFrom $311Free CancellationRating
7.2
105 reviews
Search Azores Airlines flights
CondorPriceFrom $330Free CancellationRating
6.5
464 reviews
Search Condor flights
FinnairPriceFrom $337Free CancellationRating
7.6
1,415 reviews
Search Finnair flights
American AirlinesPriceFrom $346Free CancellationRating
7.1
11,772 reviews
Search American Airlines flights
LEVELPriceFrom $351Free CancellationRating
0.0
0 reviews
Search LEVEL flights
IcelandairPriceFrom $352Free CancellationRating
7.0
690 reviews
Search Icelandair flights
United AirlinesPriceFrom $365Free CancellationRating
7.4
9,894 reviews
Search United Airlines flights
Air CanadaPriceFrom $374Free CancellationRating
7.1
11,260 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.

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1 adult
Sat 7/25
Sat 8/1

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