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Cheap flights from Boston to Europe from $181

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 10/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Boston to Europe

Cheap round-trip flights

United Airlines Logo
5:30 am - 10:20 amBOS-DUB
23h 50m1 stop
United Airlines Logo
9:00 am - 5:50 pmDUB-BOS
37h 50m2 stops
$351United Airlines
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Mon, Nov 24 - Mon, Dec 1
PLAY Logo
7:15 pm - 10:10 amBOS-DUB
9h 55m1 stop
PLAY Logo
11:35 am - 5:50 pmDUB-BOS
11h 15m1 stop
$352PLAY
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Wed, Sep 3 - Mon, Sep 8
Aer Lingus Logo
9:25 pm - 8:25 amBOS-DUB
6h 00mnonstop
Aer Lingus Logo
4:45 pm - 7:55 pmDUB-BOS
7h 10mnonstop
$354Aer Lingus
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Sat, Oct 18 - Mon, Oct 27
Delta Logo
5:00 pm - 9:15 amBOS-DUB
11h 15m1 stop
Delta Logo
10:00 am - 10:04 pmDUB-BOS
17h 04m1 stop
$362Delta
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Tue, Oct 14 - Fri, Oct 24
Aer Lingus Logo
9:25 pm - 8:25 amBOS-DUB
6h 00mnonstop
Aer Lingus Logo
4:45 pm - 7:55 pmDUB-BOS
7h 10mnonstop
$364Aer Lingus
Find Deal
Fri, Oct 24 - Thu, Oct 30
Delta Logo
5:20 pm - 8:15 amBOS-DUB
9h 55m1 stop
Delta Logo
12:00 pm - 2:15 pmDUB-BOS
7h 15mnonstop
$367Delta
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Wed, Oct 8 - Wed, Oct 15
Icelandair Logo
8:50 pm - 1:15 pmBOS-DUB
11h 25m1 stop
Icelandair Logo
12:15 pm - 10:00 pmDUB-BOS
14h 45m1 stop
$374Icelandair
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Wed, Sep 17 - Wed, Sep 24
Icelandair Logo
7:50 pm - 2:00 pmBOS-FCO
12h 10m1 stop
Icelandair Logo
11:25 am - 5:50 pmFCO-BOS
12h 25m1 stop
$429Icelandair
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Mon, Nov 3 - Sat, Nov 15
British Airways Logo
3:59 pm - 11:15 amBOS-LHR
14h 16m1 stop
British Airways Logo
11:25 am - 7:50 pmLHR-BOS
13h 25m1 stop
$484British Airways
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Sat, Oct 18 - Sun, Nov 23
British Airways Logo
1:00 pm - 8:10 amBOS-LGW
14h 10m1 stop
British Airways Logo
3:05 pm - 10:19 pmLGW-BOS
12h 14m1 stop
$488British Airways
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Thu, Oct 2 - Mon, Oct 6

TAP AIR PORTUGAL flights from Boston to Europe

Our best TAP AIR PORTUGAL deals on Boston to Europe flight tickets
TAP AIR PORTUGAL
Sep 29
BOS10:40 pmBoston Logan Intl
19h 30m
1 stop
FCO12:10 amRome Fiumicino
Oct 11
FCO7:50 pmRome Fiumicino
30h 35m
2 stops
BOS8:25 pmBoston Logan Intl
$449
Find similar
TAP AIR PORTUGAL
Sep 8
BOS11:15 pmBoston Logan Intl
17h 40m
1 stop
ORY10:55 pmParis Orly
Sep 17
ORY7:00 amParis Orly
19h 45m
1 stop
BOS8:45 pmBoston Logan Intl
$508
Find similar
TAP AIR PORTUGAL
Sep 1
BOS10:40 pmBoston Logan Intl
6h 30m
LIS10:10 amLisbon Humberto Delgado
Sep 6
LIS9:45 pmLisbon Humberto Delgado
27h 40m
1 stop
BOS8:25 pmBoston Logan Intl
$588
Find similar

Lufthansa flights from Boston to Europe

Our best Lufthansa deals on Boston to Europe flight tickets
Lufthansa
Sep 2
BOS8:05 pmBoston Logan Intl
12h 55m
1 stop
FCO3:00 pmRome Fiumicino
Sep 11
FCO10:50 amRome Fiumicino
12h 50m
1 stop
BOS5:40 pmBoston Logan Intl
$449
Find similar
Lufthansa
Oct 9
BOS10:00 pmBoston Logan Intl
18h 50m
2 stops
LIS9:50 pmLisbon Humberto Delgado
Oct 17
LIS6:15 amLisbon Humberto Delgado
16h 25m
1 stop
BOS5:40 pmBoston Logan Intl
$547
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 August 26, 2025.
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

Mon 11/24

5:30 am-10:20 am

1 stop23h 50m

Dublin

Mon 12/1

9:00 am-5:50 pm

2 stops37h 50m

$351

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Wed 9/3

7:15 pm-10:10 am

1 stop9h 55m

Dublin

Mon 9/8

11:35 am-5:50 pm

1 stop11h 15m

$352

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Sat 10/18

9:25 pm-8:25 am

Nonstop6h 00m

Dublin

Mon 10/27

4:45 pm-7:55 pm

Nonstop7h 10m

$354

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Tue 10/14

5:00 pm-9:15 am

1 stop11h 15m

Dublin

Fri 10/24

10:00 am-10:04 pm

1 stop17h 04m

$362

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Fri 10/24

9:25 pm-8:25 am

Nonstop6h 00m

Dublin

Thu 10/30

4:45 pm-7:55 pm

Nonstop7h 10m

$364

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Wed 10/8

5:20 pm-8:15 am

1 stop9h 55m

Dublin

Wed 10/15

12:00 pm-2:15 pm

Nonstop7h 15m

$367

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Wed 9/17

8:50 pm-1:15 pm

1 stop11h 25m

Dublin

Wed 9/24

12:15 pm-10:00 pm

1 stop14h 45m

$374

BostonRome

BOS - FCO

BOSFCO

Boston Logan Intl

Mon 11/3

7:50 pm-2:00 pm

1 stop12h 10m

Rome Fiumicino

Sat 11/15

11:25 am-5:50 pm

1 stop12h 25m

$429

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sat 10/18

3:59 pm-11:15 am

1 stop14h 16m

London Heathrow

Sun 11/23

11:25 am-7:50 pm

1 stop13h 25m

$484

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Thu 10/2

1:00 pm-8:10 am

1 stop14h 10m

London Gatwick

Mon 10/6

3:05 pm-10:19 pm

1 stop12h 14m

$488

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 $542, 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 $547.

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 $662. Flights from Boston to Europe on a Saturday will generally be more expensive and average around $718. 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 at noon. momondo users have found flights departing from Boston to Europe at noon for as low as $623. 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 $692. 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 $644 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 $602 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?

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

$171

Fastest flight time

5h 55m

Direct flights

Every day

Airports in Europe

1 airport
The best one-way flight to Europe from Boston in the past 72 hours is $171. The best round-trip flight deal from Boston to Europe found on momondo in the last 72 hours is $399.
The fastest flight from Boston to Europe takes 5h 55m
Direct flights go from Boston to Europe every day.
There is 1 airport near Europe: 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
1,180 reviews
Search Vueling flights
Azores AirlinesPriceFrom $243Free CancellationRating
7.5
73 reviews
Search Azores Airlines flights
SWISSPriceFrom $283Free CancellationRating
7.6
1,711 reviews
Search SWISS flights
CondorPriceFrom $300Free CancellationRating
6.3
355 reviews
Search Condor flights
FinnairPriceFrom $349Free CancellationRating
7.6
1,320 reviews
Search Finnair flights
LEVELPriceFrom $349Free CancellationRating
0.0
0 reviews
Search LEVEL flights
IcelandairPriceFrom $356Free CancellationRating
7.0
533 reviews
Search Icelandair flights
KLMPriceFrom $361Free CancellationRating
7.8
1,387 reviews
Search KLM flights
United AirlinesPriceFrom $365Free CancellationRating
7.4
8,943 reviews
Search United Airlines flights
JetBluePriceFrom $365Free CancellationRating
7.2
2,918 reviews
Search JetBlue 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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