Cheap flights from Boston to Europe from $247

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 7/5. 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Boston to Europe

Cheap round-trip flights

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Icelandair Logo
11:00 pm - 1:15 pm
BOS
-
DUB
9h 15m
1 stop
Icelandair Logo
2:15 pm - 9:45 pm
DUB
-
BOS
12h 30m
1 stop
$525Icelandair
Sun, May 10 - Thu, May 21
Icelandair Logo
11:00 pm - 1:15 pm
BOS
-
DUB
9h 15m
1 stop
Icelandair Logo
2:15 pm - 9:45 pm
DUB
-
BOS
12h 30m
1 stop
$529Icelandair
Sun, May 10 - Thu, May 21
Icelandair Logo
8:50 pm - 11:05 am
BOS
-
DUB
9h 15m
1 stop
Icelandair Logo
2:15 pm - 9:45 pm
DUB
-
BOS
12h 30m
1 stop
$530Icelandair
Sat, May 9 - Thu, May 21
United Airlines Logo
6:00 am - 7:30 am
BOS
-
DUB
20h 30m
1 stop
United Airlines Logo
9:20 am - 9:50 am
DUB
-
BOS
29h 30m
1 stop
$555United Airlines
Thu, Sep 10 - Thu, Sep 17
United Airlines Logo
7:25 pm - 7:20 am
BOS
-
DUB
30h 55m
1 stop
United Airlines Logo
9:20 am - 9:55 am
DUB
-
BOS
29h 35m
1 stop
$559United Airlines
Wed, Sep 9 - Wed, Sep 16
JetBlue Logo
9:08 pm - 8:20 am
BOS
-
DUB
6h 12mnonstop
JetBlue Logo
10:40 am - 12:51 pm
DUB
-
BOS
7h 11mnonstop
$568JetBlue
Sun, Sep 6 - Wed, Sep 16
Iberia Logo
11:50 pm - 5:10 pm
BOS
-
FCO
11h 20m
1 stop
Iberia Logo
9:55 pm - 9:15 pm
FCO
-
BOS
29h 20m
1 stop
$587Iberia
Sun, Sep 13 - Wed, Sep 23
Delta Logo
7:00 pm - 6:45 am
BOS
-
LHR
6h 45mnonstop
Delta Logo
6:30 am - 1:13 pm
LHR
-
BOS
11h 43m
1 stop
$622Delta
Sat, May 23 - Sat, May 30
Iberia Logo
10:50 pm - 5:10 pm
BOS
-
LIS
13h 20m
1 stop
Iberia Logo
9:15 pm - 9:05 pm
LIS
-
BOS
28h 50m
1 stop
$678Iberia
Sat, May 16 - Tue, May 19
TAP AIR PORTUGAL Logo
10:45 pm - 10:20 am
BOS
-
LIS
6h 35mnonstop
TAP AIR PORTUGAL Logo
7:30 pm - 9:45 pm
LIS
-
BOS
31h 15m
1 stop
$681TAP AIR PORTUGAL
Fri, Oct 16 - Sat, Oct 24

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TAP AIR PORTUGAL flights from Boston to Europe

Our best TAP AIR PORTUGAL deals on Boston to Europe flight tickets
TAP AIR PORTUGAL
Oct 19
BOS10:45 pmBoston Logan Intl
19h 30m
1 stop
FCO12:15 amRome Fiumicino
Oct 26
FCO7:35 pmRome Fiumicino
25h 05m
1 stop
BOS3:40 pmBoston Logan Intl
$611
TAP AIR PORTUGAL
Oct 19
BOS10:45 pmBoston Logan Intl
14h 15m
1 stop
FCO7:00 pmRome Fiumicino
Oct 26
FCO7:35 pmRome Fiumicino
25h 05m
1 stop
BOS3:40 pmBoston Logan Intl
$612
TAP AIR PORTUGAL
May 6
BOS11:15 pmBoston Logan Intl
29h 05m
2 stops
FCO10:20 amRome Fiumicino
Nov 18
FCO7:35 pmRome Fiumicino
25h 05m
1 stop
BOS2:40 pmBoston Logan Intl
$620

LEVEL flights from Boston to Europe

Our best LEVEL deals on Boston to Europe flight tickets
LEVEL
Sep 20
BOS11:50 pmBoston Logan Intl
28h 30m
1 stop
DUB9:20 amDublin
Sep 23
DUB9:35 pmDublin
28h 40m
1 stop
BOS9:15 pmBoston Logan Intl
$561
LEVEL
Sep 16
BOS11:00 pmBoston Logan Intl
15h 50m
1 stop
FCO8:50 pmRome Fiumicino
Oct 7
FCO9:55 pmRome Fiumicino
29h 20m
1 stop
BOS9:15 pmBoston Logan Intl
$578
LEVEL
Sep 13
BOS11:50 pmBoston Logan Intl
26h 30m
1 stop
FCO8:20 amRome Fiumicino
Sep 22
FCO9:15 pmRome Fiumicino
30h 00m
1 stop
BOS9:15 pmBoston Logan Intl
$579

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 April 28, 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

Sun 5/10

11:00 pm-1:15 pm

1 stop9h 15m

Dublin

Thu 5/21

2:15 pm-9:45 pm

1 stop12h 30m

$525

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Sun 5/10

11:00 pm-1:15 pm

1 stop9h 15m

Dublin

Thu 5/21

2:15 pm-9:45 pm

1 stop12h 30m

$529

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Sat 5/9

8:50 pm-11:05 am

1 stop9h 15m

Dublin

Thu 5/21

2:15 pm-9:45 pm

1 stop12h 30m

$530

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Thu 9/10

6:00 am-7:30 am

1 stop20h 30m

Dublin

Thu 9/17

9:20 am-9:50 am

1 stop29h 30m

$555

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Wed 9/9

7:25 pm-7:20 am

1 stop30h 55m

Dublin

Wed 9/16

9:20 am-9:55 am

1 stop29h 35m

$559
Quickest round-trip

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Sun 9/6

9:08 pm-8:20 am

Nonstop6h 12m

Dublin

Wed 9/16

10:40 am-12:51 pm

Nonstop7h 11m

$568

BostonRome

BOS - FCO

BOSFCO

Boston Logan Intl

Sun 9/13

11:50 pm-5:10 pm

1 stop11h 20m

Rome Fiumicino

Wed 9/23

9:55 pm-9:15 pm

1 stop29h 20m

$587

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sat 5/23

7:00 pm-6:45 am

Nonstop6h 45m

London Heathrow

Sat 5/30

6:30 am-1:13 pm

1 stop11h 43m

$622

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Sat 5/16

10:50 pm-5:10 pm

1 stop13h 20m

Lisbon Humberto Delgado

Tue 5/19

9:15 pm-9:05 pm

1 stop28h 50m

$678

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Fri 10/16

10:45 pm-10:20 am

Nonstop6h 35m

Lisbon Humberto Delgado

Sat 10/24

7:30 pm-9:45 pm

1 stop31h 15m

$681

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 January. Flight prices, which tend to average around $559, 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 January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $577.

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 $660. Flights from Boston to Europe on a Saturday will generally be more expensive and average around $704. 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 $608. 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 $688. 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 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 $633 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 $611 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?

You could potentially save up to 20% 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

$275

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 $275. The best round-trip flight deal from Boston to Europe found on momondo in the last 72 hours is $543.
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 $164Free CancellationRating
0.0
Search LEVEL flights
Aer LingusPriceFrom $238Free CancellationRating
7.3
1,536 reviews
Search Aer Lingus flights
PLAYPriceFrom $250Free CancellationRating
7.0
103 reviews
Search PLAY flights
CondorPriceFrom $310Free CancellationRating
6.5
408 reviews
Search Condor flights
Azores AirlinesPriceFrom $311Free CancellationRating
7.3
99 reviews
Search Azores Airlines flights
VuelingPriceFrom $317Free CancellationRating
7.2
1,268 reviews
Search Vueling flights
FinnairPriceFrom $341Free CancellationRating
7.6
1,392 reviews
Search Finnair flights
IcelandairPriceFrom $352Free CancellationRating
7.0
646 reviews
Search Icelandair flights
LEVELPriceFrom $362Free CancellationRating
0.0
0 reviews
Search LEVEL flights
United AirlinesPriceFrom $365Free CancellationRating
7.4
9,677 reviews
Search United Airlines 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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1 adult
Thu 5/28
Thu 6/4

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