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Cheap flights from Boston to Shannon from $255

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 Shannon departing on 3/2. 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

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Find the cheapest flights from Boston to Shannon

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
8:15 pm - 10:15 am
BOS
-
SNN
9h 00m1 stop
United Airlines Logo
12:30 pm - 5:25 pm
SNN
-
BOS
9h 55m1 stop
$368United Airlines
Tue, Apr 28 - Tue, May 5
United Airlines Logo
5:45 am - 10:15 am
BOS
-
SNN
23h 30m2 stops
United Airlines Logo
12:30 pm - 6:13 pm
SNN
-
BOS
10h 43m1 stop
$373United Airlines
Tue, Apr 28 - Tue, May 5
Aer Lingus Logo
8:25 pm - 6:20 am
BOS
-
SNN
5h 55mnonstop
Aer Lingus Logo
1:45 pm - 3:40 pm
SNN
-
BOS
6h 55mnonstop
$391Aer Lingus
Mon, Mar 23 - Tue, Mar 31
Aer Lingus Logo
6:30 pm - 5:25 am
BOS
-
SNN
5h 55mnonstop
Aer Lingus Logo
1:45 pm - 3:40 pm
SNN
-
BOS
6h 55mnonstop
$392Aer Lingus
Wed, May 6 - Tue, May 12
Aer Lingus Logo
7:25 pm - 6:20 am
BOS
-
SNN
5h 55mnonstop
Aer Lingus Logo
2:45 pm - 4:50 pm
SNN
-
BOS
7h 05mnonstop
$394Aer Lingus
Sun, Jan 25 - Tue, Feb 3
American Airlines Logo
7:25 pm - 6:20 am
BOS
-
SNN
5h 55mnonstop
American Airlines Logo
2:45 pm - 4:50 pm
SNN
-
BOS
7h 05mnonstop
$395American Airlines
Sun, Jan 25 - Tue, Feb 3
Aer Lingus Logo
6:30 pm - 5:25 am
BOS
-
SNN
5h 55mnonstop
Aer Lingus Logo
1:45 pm - 3:40 pm
SNN
-
BOS
6h 55mnonstop
$396Aer Lingus
Tue, Apr 28 - Tue, May 5
American Airlines Logo
7:25 pm - 6:20 am
BOS
-
SNN
5h 55mnonstop
American Airlines Logo
2:45 pm - 4:50 pm
SNN
-
BOS
7h 05mnonstop
$397American Airlines
Sun, Jan 25 - Tue, Feb 3
United Airlines Logo
5:25 pm - 10:15 am
BOS
-
SNN
11h 50m1 stop
United Airlines Logo
12:30 pm - 8:04 pm
SNN
-
BOS
12h 34m1 stop
$398United Airlines
Mon, Apr 6 - Mon, Apr 20
Aer Lingus Logo
6:30 pm - 5:25 am
BOS
-
SNN
5h 55mnonstop
Aer Lingus Logo
1:45 pm - 3:40 pm
SNN
-
BOS
6h 55mnonstop
$399Aer Lingus
Mon, May 4 - Mon, May 11

Aer Lingus flights from Boston to Shannon, Clare

Our best Aer Lingus deals on Boston to Shannon, Clare flight tickets
Aer Lingus
Mar 23
BOS8:25 pmBoston Logan Intl
5h 55m
SNN6:20 amShannon
Mar 31
SNN1:45 pmShannon
6h 55m
BOS3:40 pmBoston Logan Intl
$391
Find similar
Aer Lingus
Jan 25
BOS7:25 pmBoston Logan Intl
5h 55m
SNN6:20 amShannon
Feb 3
SNN2:45 pmShannon
7h 05m
BOS4:50 pmBoston Logan Intl
$394
Find similar
Aer Lingus
Jan 27
BOS7:25 pmBoston Logan Intl
5h 55m
SNN6:20 amShannon
Feb 3
SNN2:45 pmShannon
7h 05m
BOS4:50 pmBoston Logan Intl
$396
Find similar

British Airways flights from Boston to Shannon, Clare

Our best British Airways deals on Boston to Shannon, Clare flight tickets
British Airways
Jan 21
BOS7:15 pmBoston Logan Intl
11h 15m
1 stop
SNN11:30 amShannon
Feb 2
SNN5:30 pmShannon
25h 25m
2 stops
BOS1:55 pmBoston Logan Intl
$410
Find similar
British Airways
Jan 26
BOS7:15 pmBoston Logan Intl
11h 15m
1 stop
SNN11:30 amShannon
Feb 16
SNN8:05 pmShannon
22h 50m
2 stops
BOS1:55 pmBoston Logan Intl
$411
Find similar
British Airways
Jan 21
BOS5:10 pmBoston Logan Intl
13h 20m
2 stops
SNN11:30 amShannon
Feb 2
SNN8:05 pmShannon
22h 50m
2 stops
BOS1:55 pmBoston Logan Intl
$412
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Boston to Shannon, Clare 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 January 7, 2026.
Use the filters below to find and compare flights from Boston to Shannon, Clare that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Tue 4/28

8:15 pm-10:15 am

1 stop9h 00m

Shannon

Tue 5/5

12:30 pm-5:25 pm

1 stop9h 55m

$368

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Tue 4/28

5:45 am-10:15 am

2 stops23h 30m

Shannon

Tue 5/5

12:30 pm-6:13 pm

1 stop10h 43m

$373

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Mon 3/23

8:25 pm-6:20 am

Nonstop5h 55m

Shannon

Tue 3/31

1:45 pm-3:40 pm

Nonstop6h 55m

$391

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Wed 5/6

6:30 pm-5:25 am

Nonstop5h 55m

Shannon

Tue 5/12

1:45 pm-3:40 pm

Nonstop6h 55m

$392

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Sun 1/25

7:25 pm-6:20 am

Nonstop5h 55m

Shannon

Tue 2/3

2:45 pm-4:50 pm

Nonstop7h 05m

$394

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Sun 1/25

7:25 pm-6:20 am

Nonstop5h 55m

Shannon

Tue 2/3

2:45 pm-4:50 pm

Nonstop7h 05m

$395

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Tue 4/28

6:30 pm-5:25 am

Nonstop5h 55m

Shannon

Tue 5/5

1:45 pm-3:40 pm

Nonstop6h 55m

$396

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Sun 1/25

7:25 pm-6:20 am

Nonstop5h 55m

Shannon

Tue 2/3

2:45 pm-4:50 pm

Nonstop7h 05m

$397

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Mon 4/6

5:25 pm-10:15 am

1 stop11h 50m

Shannon

Mon 4/20

12:30 pm-8:04 pm

1 stop12h 34m

$398

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Mon 5/4

6:30 pm-5:25 am

Nonstop5h 55m

Shannon

Mon 5/11

1:45 pm-3:40 pm

Nonstop6h 55m

$399

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Shannon from

How to get the cheapest flight ticket from Boston to Shannon, Clare

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 Shannon, Clare?

In general, November is the cheapest month to fly from Boston to Shannon, Clare. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $501. If you are unable to visit Shannon, Clare during the month of November, then departing from Boston during the month February is also very affordable. Most momondo users find prices during this month for around $542.

What is the cheapest day to depart on your flight to Shannon, Clare?

The cheapest day to depart from Boston to Shannon, Clare is on a Wednesday when prices can be found for as low as $657. The most expensive day to fly to Shannon, Clare is Sunday, with ticket prices averaging around $767.

What is the cheapest time of day to depart on your flight to Shannon, Clare?

Our data shows that the cheapest Boston to Shannon, Clare flights are usually those with departure times in the evening. Our users have found flights to Shannon, Clare in the evening for as low as $569. Flights in the afternoon are often more expensive with an average ticket price of $740.

What is the cheapest Boston Logan Intl to Shannon flight route?

Fly from Boston Logan Intl to Shannon for the best Boston Logan Intl - Shannon flight prices

How far in advance should I book a flight to Shannon, Clare?

You are more likely to see cheaper flights to Shannon, Clare from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Shannon, Clare for around $686 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Shannon, Clare from Boston for as low as $612 on momondo.

What cabin class options are available on Boston Logan Intl to Shannon flights?

There are 3 cabin classes available to choose from on Boston Logan Intl to Shannon 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 Shannon, Clare flights?

No. A direct flight is the cheapest option for a flight between Boston to Shannon, Clare.

How have Boston to Shannon, Clare flight prices changed over time?

As of January 2026, prices for Boston to Shannon, Clare flights are approximately 15% cheaper when compared to flights at the same time last year.

When to book flights from Boston to Shannon, Clare

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to Shannon, Clare according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Boston to Shannon, Clare (BOS to SNN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Shannon, Clare

Best Price Found

$315

Fastest flight time

5h 50m

Direct flights

Every day

Airports in Shannon, Clare

1 airport
The best one-way flight to Shannon, Clare from Boston in the past 72 hours is $315. The best round-trip flight deal from Boston to Shannon, Clare found on momondo in the last 72 hours is $435.
The fastest flight from Boston to Shannon, Clare takes 5h 50m
Direct flights go from Boston to Shannon, Clare every day.
There is 1 airport in Shannon, Clare. From Boston there are direct flights to Shannon (SNN).
Search flight deals

  • How far is Boston Logan Intl to Shannon by plane?

    The distance between Boston Logan Intl and Shannon is about 2889.7 mi. 5h 50m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Boston Logan Intl Airport to Shannon Airport?

    Prices for flights from Boston Logan Intl Airport to Shannon Airport were last updated today.

  • How many operators does momondo search for flights from Boston Logan Intl Airport to Shannon Airport?

  • How old do you have to be to fly from Boston Logan Intl Airport to Shannon Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to Shannon Airport.

  • What documentation or ID do you need to fly to Shannon Airport?

    The travel and health documents you'll need for your trip to Shannon Airport 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 Shannon Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Boston to Shannon, Clare?

  • What is the most popular airline from Boston to Shannon, Clare?

Best airlines flying from Boston to Shannon, Clare

Compare and see reviews for airlines that fly from Boston to Shannon, Clare with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $244Free CancellationRating
7.9
8,021 reviews
Search Delta flights
United AirlinesPriceFrom $371Free CancellationRating
7.4
9,138 reviews
Search United Airlines flights
Aer LingusPriceFrom $374Free CancellationRating
7.2
1,425 reviews
Search Aer Lingus flights
KLMPriceFrom $423Free CancellationRating
7.7
1,434 reviews
Search KLM flights
American AirlinesPriceFrom $476Free CancellationRating
7.2
11,090 reviews
Search American Airlines flights
JetBluePriceFrom $932Free CancellationRating
7.2
2,896 reviews
Search JetBlue flights

  • Aer Lingus Flights From Boston to Shannon, Clare

    Aer Lingus is one of the most popular airlines flying from Boston to Shannon, Clare, operating 7 flights/week on average for this route. A good Aer Lingus flight deal for Boston to Shannon, Clare starts from $374 round-trip, up to an average price of $688. Our users have rated Aer Lingus at 7.2/10.

  • American Airlines Flights From Boston to Shannon, Clare

    Across 11,090 American Airlines reviews on momondo, the average score is 7.2/10. American Airlines flies from Boston to Shannon, Clare about 7 times each week, with ticket deals ranging from $476 to $787. Price data is based on momondo searches in the last 72 hours.

Traveling to a place near Shannon?

Book flights to Shannon if you plan to visit one of these locations
Limerick
Adare
Bunratty
Ennis
Nenagh
Lahinch

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Shannon?

It is quick and easy to find Boston to Shannon flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Shannon that suits you.

Can I find flights from Boston to Shannon with flexible booking policies on momondo?

momondo does allow users to show only those flights to Shannon from Boston which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Boston to Shannon?

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 Shannon.

I’m not ready to book a flight from Boston to Shannon right now. Can momondo alert me if prices change?

Price alerts on flights to Shannon from Boston are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Shannon, Clare trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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