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Cheap flights from Boston to Europe from $189

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 12/6. 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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0 bags

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Cheap round-trip flights

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Lufthansa Logo
8:40 pm - 5:10 pmBOS-DUB
15h 30m1 stop
Lufthansa Logo
10:50 am - 6:35 pmDUB-BOS
12h 45m1 stop
$339Lufthansa
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Fri, Nov 28 - Tue, Dec 9
United Airlines Logo
10:30 am - 8:10 amBOS-DUB
16h 40m2 stops
United Airlines Logo
9:00 am - 2:29 pmDUB-BOS
34h 29m2 stops
$340United Airlines
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Sat, Jan 10 - Sat, Jan 17
Aer Lingus Logo
5:10 pm - 4:15 amBOS-DUB
6h 05mnonstop
Aer Lingus Logo
11:40 am - 1:55 pmDUB-BOS
7h 15mnonstop
$344Aer Lingus
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Wed, Jan 14 - Tue, Jan 20
Aer Lingus Logo
5:10 pm - 4:15 amBOS-DUB
6h 05mnonstop
Aer Lingus Logo
4:45 pm - 6:55 pmDUB-BOS
7h 10mnonstop
$345Aer Lingus
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Fri, Nov 28 - Tue, Dec 9
Delta Logo
10:05 pm - 9:20 amBOS-DUB
6h 15mnonstop
Delta Logo
11:30 am - 1:40 pmDUB-BOS
7h 10mnonstop
$349Delta
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Tue, Dec 2 - Mon, Dec 8
Delta Logo
5:00 pm - 8:45 amBOS-DUB
10h 45m1 stop
Delta Logo
9:45 am - 5:18 pmDUB-BOS
12h 33m1 stop
$355Delta
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Fri, Nov 28 - Thu, Dec 4
Icelandair Logo
7:50 pm - 10:15 amBOS-DUB
9h 25m1 stop
Icelandair Logo
11:30 am - 5:50 pmDUB-BOS
11h 20m1 stop
$380Icelandair
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Mon, Dec 1 - Fri, Dec 5
British Airways Logo
6:55 pm - 11:55 amBOS-MAD
11h 00m1 stop
British Airways Logo
12:30 pm - 3:15 pmMAD-BOS
8h 45mnonstop
$390British Airways
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Thu, Dec 11 - Tue, Dec 16
British Airways Logo
4:45 pm - 5:45 amBOS-MAD
7h 00mnonstop
British Airways Logo
12:30 pm - 3:15 pmMAD-BOS
8h 45mnonstop
$403British Airways
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Thu, Jan 8 - Thu, Jan 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
$421Icelandair
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Fri, Jan 9 - Sun, Jan 18

SWISS flights from Boston to Europe

Our best SWISS deals on Boston to Europe flight tickets
SWISS
Nov 15
BOS9:50 pmBoston Logan Intl
33h 40m
1 stop
DUB12:30 pmDublin
Nov 19
DUB6:35 pmDublin
30h 25m
1 stop
BOS8:00 pmBoston Logan Intl
$339
Find similar
SWISS
Nov 12
BOS9:50 pmBoston Logan Intl
14h 55m
1 stop
DUB5:45 pmDublin
Nov 18
DUB12:55 pmDublin
12h 25m
1 stop
BOS8:20 pmBoston Logan Intl
$360
Find similar
SWISS
Nov 16
BOS9:50 pmBoston Logan Intl
14h 55m
1 stop
MAD6:45 pmMadrid Barajas
Dec 2
MAD7:35 pmMadrid Barajas
30h 45m
1 stop
BOS8:20 pmBoston Logan Intl
$387
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KLM flights from Boston to Europe

Our best KLM deals on Boston to Europe flight tickets
KLM
Nov 27
BOS3:05 pmBoston Logan Intl
10h 55m
1 stop
MAD8:00 amMadrid Barajas
Dec 11
MAD10:00 amMadrid Barajas
12h 11m
1 stop
BOS4:11 pmBoston Logan Intl
$388
Find similar
KLM
Nov 24
BOS6:40 pmBoston Logan Intl
8h 00m
FCO8:40 amRome Fiumicino
Dec 2
FCO8:25 pmRome Fiumicino
22h 55m
1 stop
BOS1:20 pmBoston Logan Intl
$455
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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 November 10, 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

Fri 11/28

8:40 pm-5:10 pm

1 stop15h 30m

Dublin

Tue 12/9

10:50 am-6:35 pm

1 stop12h 45m

$339

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Sat 1/10

10:30 am-8:10 am

2 stops16h 40m

Dublin

Sat 1/17

9:00 am-2:29 pm

2 stops34h 29m

$340

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Wed 1/14

5:10 pm-4:15 am

Nonstop6h 05m

Dublin

Tue 1/20

11:40 am-1:55 pm

Nonstop7h 15m

$344

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Fri 11/28

5:10 pm-4:15 am

Nonstop6h 05m

Dublin

Tue 12/9

4:45 pm-6:55 pm

Nonstop7h 10m

$345

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Tue 12/2

10:05 pm-9:20 am

Nonstop6h 15m

Dublin

Mon 12/8

11:30 am-1:40 pm

Nonstop7h 10m

$349

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Fri 11/28

5:00 pm-8:45 am

1 stop10h 45m

Dublin

Thu 12/4

9:45 am-5:18 pm

1 stop12h 33m

$355

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Mon 12/1

7:50 pm-10:15 am

1 stop9h 25m

Dublin

Fri 12/5

11:30 am-5:50 pm

1 stop11h 20m

$380

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Thu 12/11

6:55 pm-11:55 am

1 stop11h 00m

Madrid Barajas

Tue 12/16

12:30 pm-3:15 pm

Nonstop8h 45m

$390

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Thu 1/8

4:45 pm-5:45 am

Nonstop7h 00m

Madrid Barajas

Thu 1/22

12:30 pm-3:15 pm

Nonstop8h 45m

$403

BostonRome

BOS - FCO

BOSFCO

Boston Logan Intl

Fri 1/9

7:50 pm-2:00 pm

1 stop12h 10m

Rome Fiumicino

Sun 1/18

11:25 am-5:50 pm

1 stop12h 25m

$421

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 January 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 $658. Flights from Boston to Europe on a Saturday will generally be more expensive and average around $716. 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 $693. 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 $603 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.

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

$181

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 $181. The best round-trip flight deal from Boston to Europe found on momondo in the last 72 hours is $402.
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
1,208 reviews
Search Vueling flights
Aer LingusPriceFrom $238Free CancellationRating
7.2
1,368 reviews
Search Aer Lingus flights
Azores AirlinesPriceFrom $269Free CancellationRating
7.4
82 reviews
Search Azores Airlines flights
SWISSPriceFrom $290Free CancellationRating
7.5
1,781 reviews
Search SWISS flights
LEVELPriceFrom $349Free CancellationRating
0.0
0 reviews
Search LEVEL flights
FinnairPriceFrom $349Free CancellationRating
7.6
1,335 reviews
Search Finnair flights
CondorPriceFrom $349Free CancellationRating
6.4
387 reviews
Search Condor flights
American AirlinesPriceFrom $352Free CancellationRating
7.2
11,047 reviews
Search American Airlines flights
IcelandairPriceFrom $355Free CancellationRating
7.1
578 reviews
Search Icelandair flights
KLMPriceFrom $361Free CancellationRating
7.7
1,410 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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