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Cheap flights from Boston to Europe from $199

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 1/28. 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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Cheap round-trip flights

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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
$338United Airlines
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Wed, Dec 3 - Mon, Dec 8
SWISS Logo
9:50 pm - 12:00 pmBOS-DUB
33h 10m1 stop
SWISS Logo
12:55 pm - 8:20 pmDUB-BOS
12h 25m1 stop
$339SWISS
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Mon, Nov 10 - Tue, Nov 18
Aer Lingus Logo
5:10 pm - 4:15 amBOS-DUB
6h 05mnonstop
Aer Lingus Logo
11:40 am - 1:55 pmDUB-BOS
7h 15mnonstop
$345Aer Lingus
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Mon, Nov 24 - Thu, Nov 27
Aer Lingus Logo
5:10 pm - 4:15 amBOS-DUB
6h 05mnonstop
Aer Lingus Logo
4:45 pm - 6:55 pmDUB-BOS
7h 10mnonstop
$346Aer Lingus
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Thu, Dec 11 - Sun, Dec 14
Delta Logo
4:00 pm - 9:15 amBOS-DUB
12h 15m1 stop
Delta Logo
3:00 pm - 5:20 pmDUB-BOS
7h 20mnonstop
$352Delta
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Sat, Apr 25 - Tue, May 5
Delta Logo
3:05 pm - 7:55 amBOS-DUB
11h 50m1 stop
Delta Logo
1:15 pm - 6:29 pmDUB-BOS
10h 14m1 stop
$358Delta
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Fri, Apr 24 - Sat, May 2
British Airways Logo
6:55 pm - 11:55 amBOS-MAD
11h 00m1 stop
British Airways Logo
12:50 pm - 7:45 pmMAD-BOS
12h 55m1 stop
$379British Airways
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Tue, Dec 2 - Thu, Dec 11
British Airways Logo
7:30 am - 9:45 amBOS-MAD
20h 15m1 stop
British Airways Logo
4:25 pm - 11:48 pmMAD-BOS
13h 23m1 stop
$383British Airways
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Wed, Nov 19 - Wed, Nov 26
Icelandair Logo
8:50 pm - 2:00 pmBOS-FCO
11h 10m1 stop
Icelandair Logo
11:25 am - 5:50 pmFCO-BOS
12h 25m1 stop
$420Icelandair
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Tue, Nov 18 - Sat, Nov 22
Icelandair Logo
7:50 pm - 2:00 pmBOS-FCO
12h 10m1 stop
Icelandair Logo
11:25 am - 5:50 pmFCO-BOS
12h 25m1 stop
$425Icelandair
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Thu, Jan 8 - Sat, Jan 17

American Airlines flights from Boston to Europe

Our best American Airlines deals on Boston to Europe flight tickets
American Airlines
Nov 27
BOS11:55 amBoston Logan Intl
16h 05m
1 stop
MAD10:00 amMadrid Barajas
Dec 5
MAD12:30 pmMadrid Barajas
8h 45m
BOS3:15 pmBoston Logan Intl
$378
Find similar
American Airlines
Nov 10
BOS11:10 amBoston Logan Intl
12h 35m
1 stop
MAD5:45 amMadrid Barajas
Nov 22
MAD1:15 pmMadrid Barajas
15h 28m
1 stop
BOS10:43 pmBoston Logan Intl
$388
Find similar
American Airlines
Nov 7
BOS11:20 amBoston Logan Intl
12h 25m
1 stop
MAD5:45 amMadrid Barajas
Nov 12
MAD1:00 pmMadrid Barajas
13h 12m
1 stop
BOS8:12 pmBoston Logan Intl
$391
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Finnair flights from Boston to Europe

Our best Finnair deals on Boston to Europe flight tickets
Finnair
Dec 3
BOS9:20 pmBoston Logan Intl
7h 00m
MAD10:20 amMadrid Barajas
Dec 7
MAD5:05 pmMadrid Barajas
8h 45m
BOS7:50 pmBoston Logan Intl
$403
Find similar
Finnair
Nov 28
BOS4:50 pmBoston Logan Intl
7h 00m
MAD5:50 amMadrid Barajas
Dec 13
MAD12:30 pmMadrid Barajas
8h 45m
BOS3:15 pmBoston Logan Intl
$413
Find similar
Finnair
Nov 4
BOS4:50 pmBoston Logan Intl
7h 00m
MAD5:50 amMadrid Barajas
Dec 7
MAD5:05 pmMadrid Barajas
8h 45m
BOS7:50 pmBoston Logan Intl
$464
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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 October 28, 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

Wed 12/3

5:30 am-10:20 am

1 stop23h 50m

Dublin

Mon 12/8

9:00 am-5:50 pm

2 stops37h 50m

$338

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Mon 11/10

9:50 pm-12:00 pm

1 stop33h 10m

Dublin

Tue 11/18

12:55 pm-8:20 pm

1 stop12h 25m

$339

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Mon 11/24

5:10 pm-4:15 am

Nonstop6h 05m

Dublin

Thu 11/27

11:40 am-1:55 pm

Nonstop7h 15m

$345

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Thu 12/11

5:10 pm-4:15 am

Nonstop6h 05m

Dublin

Sun 12/14

4:45 pm-6:55 pm

Nonstop7h 10m

$346

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Sat 4/25

4:00 pm-9:15 am

1 stop12h 15m

Dublin

Tue 5/5

3:00 pm-5:20 pm

Nonstop7h 20m

$352

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Fri 4/24

3:05 pm-7:55 am

1 stop11h 50m

Dublin

Sat 5/2

1:15 pm-6:29 pm

1 stop10h 14m

$358

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Tue 12/2

6:55 pm-11:55 am

1 stop11h 00m

Madrid Barajas

Thu 12/11

12:50 pm-7:45 pm

1 stop12h 55m

$379

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Wed 11/19

7:30 am-9:45 am

1 stop20h 15m

Madrid Barajas

Wed 11/26

4:25 pm-11:48 pm

1 stop13h 23m

$383

BostonRome

BOS - FCO

BOSFCO

Boston Logan Intl

Tue 11/18

8:50 pm-2:00 pm

1 stop11h 10m

Rome Fiumicino

Sat 11/22

11:25 am-5:50 pm

1 stop12h 25m

$420

BostonRome

BOS - FCO

BOSFCO

Boston Logan Intl

Thu 1/8

7:50 pm-2:00 pm

1 stop12h 10m

Rome Fiumicino

Sat 1/17

11:25 am-5:50 pm

1 stop12h 25m

$425

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 $539, 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 $540.

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 $659. Flights from Boston to Europe on a Saturday will generally be more expensive and average around $717. 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 Lisbon Humberto Delgado 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 $637 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?

You could potentially save up to 2% 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

$180

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 $180. The best round-trip flight deal from Boston to Europe found on momondo in the last 72 hours is $401.
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
1,204 reviews
Search Vueling flights
Aer LingusPriceFrom $238Free CancellationRating
7.2
1,361 reviews
Search Aer Lingus flights
Azores AirlinesPriceFrom $269Free CancellationRating
7.4
82 reviews
Search Azores Airlines flights
SWISSPriceFrom $290Free CancellationRating
7.5
1,774 reviews
Search SWISS flights
FinnairPriceFrom $349Free CancellationRating
7.6
1,333 reviews
Search Finnair flights
CondorPriceFrom $349Free CancellationRating
6.4
383 reviews
Search Condor flights
LEVELPriceFrom $350Free CancellationRating
0.0
0 reviews
Search LEVEL flights
American AirlinesPriceFrom $352Free CancellationRating
7.2
11,032 reviews
Search American Airlines flights
IcelandairPriceFrom $355Free CancellationRating
7.1
562 reviews
Search Icelandair flights
KLMPriceFrom $361Free CancellationRating
7.7
1,406 reviews
Search KLM 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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