Cheap flights from Boston (BOS) to Shannon (SNN) from $234

This is the cheapest one-way flight price, found on 9/21. Prices may vary by date and flight preferences.
BOS — SNN
sep. 26 — oct. 31

The best prices from Boston Logan Intl to Shannon are usually found in January or February, booked 56 days in advance, depart on a Monday or Friday and return on a Wednesday

How to find the cheapest flight from Boston (BOS) to Shannon (SNN)

All the information you need to plan the best BOS to SNN flight in 2023: compare Boston to Shannon flight prices with the expected peak season, weather and rainfall in Shannon.

Popular in

July

Cheapest in

January

Round-trip from

$531

One-way from

$253
High demand for flights, 31% potential price rise
Best time to find cheap flights, 28% potential price drop
From Boston Logan Intl to Shannon
One-way flight from Boston Logan Intl to Shannon

BOS - SNN

Price

$531 - $1,275

SNN

Temperature

42.8 - 60.8 °F

SNN

Rainfall

2.3 - 4.1 inches

What is the cheapest day to fly round-trip from Boston to Shannon?

Sunday is generally a great day to depart. Flying on this day could help you save up to 29%.

How far in advance should I book a flight from Boston to Shannon?

To save up to 22% on this flight, we recommend booking at least 56 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Boston to Shannon from $797 1-2 weeks out and tickets from $797 for flights departing within the next 72 hours.

What is the cheapest month to fly from Boston to Shannon?

Flights from Boston to Shannon lean towards being more expensive in July. Prices are generally better when you fly from Boston to Shannon in January, with the cheapest ticket starting at $389.

When is the cheapest time to fly from Boston to Shannon (BOS - SNN)?

It’s optimal to fly from Boston to Shannon in the afternoon. By choosing this option you can save up to 3% on the cost of your flight, compared to a flight in the morning.

Cheap Aer Lingus flights from Boston to Shannon

Find some of the cheapest Aer Lingus flights traveling from Boston to Shannon. Deals update often to give you more flight options matching your criteria
  • Aer Lingus is one of the most popular airlines used for those traveling from Boston to Shannon. Flights on this route from Aer Lingus typically cost $968.95 RT, a price that is 38% more expensive than the average Boston to Shannon flight. The cheapest flight found was $485 RT. When traveling from Boston to Shannon on Aer Lingus, the most popular airport to depart from is Boston Logan Intl Airport and the most popular airport to arrive at is Shannon Airport. When flying from Boston to Shannon, Aer Lingus flights are 4% more popular than any other airline flying that same route.

Cheap American Airlines flights from Boston to Shannon

Take a gander at the lowest prices we've found on American Airlines flights from Boston to Shannon. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.
  • If you’re traveling from Boston to Shannon, one of the more common airlines traveling that route is American Airlines. Flights from American Airlines traveling this route typically cost $720.69 RT. This price is typically 77% more expensive than other airlines that offer Boston to Shannon flights. When booking this route, the cheapest RT price found was $403. The most popular departure airport in Boston when flying to Shannon is Boston Logan Intl Airport. The most popular airport to fly into when visiting Shannon is Shannon Airport. When flying from Boston to Shannon, American Airlines flights are -4% more popular than any other airline flying that same route.

Cheap Boston to Shannon flights in September & October 2023

The best prices found for BOS to SNN flights for September, October
Scroll through some of the best deals on flights from Boston to Shannon in 2023. Check back regularly for other flight deals.

Boston to Shannon 2023 flight deals

Cheap flights to Shannon from Boston found for this year
Scroll through some of the best deals on flights from Boston to Shannon in 2023. Check back regularly for other flight deals.

Non-stop flights to Shannon from Boston

Save time with Boston to Shannon direct flight deals
For a quicker trip, book one of these direct flights from Boston to Shannon. Users seeking other options on flights from Boston to Shannon should update the search form at the top of the page.

Boston to Shannon flights leaving soon

Late deals on return flights to Shannon from Boston, departing today and this week
Check out these flights departing soon from Boston to Shannon. It's wise to confirm all flight details are correct before booking.

One-way flights to Shannon from Boston

The cheapest one-way flights from Boston to Shannon
Take a look at some of the best available options we've come across on one-way flights from Boston to Shannon. Those needing a return flight from Boston to Shannon can use the search form above.

Find flights from Boston to Shannon within your budget

Use the slider to find flights from Boston to Shannon that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$365 - $730

Route

Depart

Return

Price

Boston Logan IntlShannon

BOS - SNN

BOSSNN

Boston Logan Intl

jue. 1/11

Nonstop5h 55m

Shannon

lun. 1/22

Nonstop7h 05m

Boston Logan IntlShannon

BOS - SNN

BOSSNN

Boston Logan Intl

lun. 11/27

Nonstop5h 55m

Shannon

mar. 12/5

Nonstop7h 05m

Boston Logan IntlShannon

BOS - SNN

BOSSNN

Boston Logan Intl

mié. 11/8

Nonstop5h 55m

Shannon

jue. 11/16

Nonstop7h 05m

Boston Logan IntlShannon

BOS - SNN

BOSSNN

Boston Logan Intl

sáb. 11/11

Nonstop5h 55m

Shannon

lun. 11/13

Nonstop7h 05m

Boston Logan IntlShannon

BOS - SNN

BOSSNN

Boston Logan Intl

mar. 10/10

1 stop18h 33m

Shannon

mar. 10/24

1 stop15h 51m

Boston Logan IntlShannon

BOS - SNN

BOSSNN

Boston Logan Intl

jue. 11/9

1 stop27h 50m

Shannon

mié. 11/15

1 stop14h 46m

Boston Logan IntlShannon

BOS - SNN

BOSSNN

Boston Logan Intl

mié. 10/11

1 stop19h 13m

Shannon

mié. 10/18

1 stop17h 45m

Boston Logan IntlShannon

BOS - SNN

BOSSNN

Boston Logan Intl

dom. 3/17

1 stop10h 15m

Shannon

jue. 3/28

1 stop11h 15m

Boston Logan IntlShannon

BOS - SNN

BOSSNN

Boston Logan Intl

jue. 1/25

2 stops25h 20m

Shannon

mié. 1/31

3 stops30h 48m

Flights are sorted by cheapest first

Deals found on 9/20

Reviews of airlines servicing Shannon

Read reviews from past customers who have flown Aer Lingus, American Airlines and British Airways from Boston to Shannon. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
1,887 reviews

Food

6.7

Overall

7.4

Comfort

7.3

Entertainment

7.0

Boarding

7.7

Crew

8.1

Reviews

1 / 10

Seat foot rest broken, crew rushed to board us to others people’s food was still in the seat backs. No one ever came around to collect garbage. Crew friendly. Blanket and pillow were great. I liked the wider seats and slight recline

United Airlines
7.4
Good
1,887 reviews
United Airlines
7.4
Good
1,887 reviews

Food

6.7

Overall

7.4

Comfort

7.3

Entertainment

7.0

Boarding

7.7

Crew

8.1

Reviews

1 / 10

Seat foot rest broken, crew rushed to board us to others people’s food was still in the seat backs. No one ever came around to collect garbage. Crew friendly. Blanket and pillow were great. I liked the wider seats and slight recline

American Airlines
7.2
Good
2,635 reviews
United Airlines
7.4
Good
1,887 reviews

Food

6.7

Overall

7.4

Comfort

7.3

Entertainment

7.0

Boarding

7.7

Crew

8.1

Reviews

1 / 10

Seat foot rest broken, crew rushed to board us to others people’s food was still in the seat backs. No one ever came around to collect garbage. Crew friendly. Blanket and pillow were great. I liked the wider seats and slight recline

JetBlue
7.2
Good
781 reviews
United Airlines
7.4
Good
1,887 reviews

Food

6.7

Overall

7.4

Comfort

7.3

Entertainment

7.0

Boarding

7.7

Crew

8.1

Reviews

1 / 10

Seat foot rest broken, crew rushed to board us to others people’s food was still in the seat backs. No one ever came around to collect garbage. Crew friendly. Blanket and pillow were great. I liked the wider seats and slight recline

Air Canada
6.7
Okay
968 reviews
United Airlines
7.4
Good
1,887 reviews

Food

6.7

Overall

7.4

Comfort

7.3

Entertainment

7.0

Boarding

7.7

Crew

8.1

Reviews

1 / 10

Seat foot rest broken, crew rushed to board us to others people’s food was still in the seat backs. No one ever came around to collect garbage. Crew friendly. Blanket and pillow were great. I liked the wider seats and slight recline

Aer Lingus
6.6
Okay
324 reviews
United Airlines
7.4
Good
1,887 reviews

Food

6.7

Overall

7.4

Comfort

7.3

Entertainment

7.0

Boarding

7.7

Crew

8.1

Reviews

1 / 10

Seat foot rest broken, crew rushed to board us to others people’s food was still in the seat backs. No one ever came around to collect garbage. Crew friendly. Blanket and pillow were great. I liked the wider seats and slight recline

Related info for your journey

Useful info, stats and facts about Boston to Shannon flights.

What airports do I use to fly from Boston to Shannon?

If you wish to fly to Shannon from Boston, then you need to book flights from Boston Logan Intl to Shannon. There are 3 flights from Logan Intl (BOS) to Shannon (SNN) per day to choose from. Flights to Shannon from Logan Intl are available from 5 different airlines, which means you should have some options if you want to compare airfare deals. 5h 55m is how long a nonstop flight from Boston to Shannon typically takes.

Can I find flights from Boston to Shannon for under $400 on Cheapflights?

Yes, there are multiple flights from Boston to Shannon for under $400. The cheapest flight booked recently is on Aer Lingus for just $365, but on average you can expect to pay $470.

Are there nonstop flights from Boston to Shannon for under $400 on Cheapflights?

Cheapflights has at least 20 direct flights from Boston to Shannon under $400. A good price for a nonstop flight from Boston to Shannon is less than $593.

Are there last-minute flights available from Boston to Shannon for under $800?

There are currently 20+ open flights from Boston to Shannon within the next 7 days for less than $800.

What are the cheapest airlines flying from Boston to Shannon round-trip?

Cheapflights users have booked flights from Boston to Shannon round-trip from $365. Other airlines that can offer you cheap pricing are JetBlue, from $508, and United Airlines, from $510. Aer Lingus is currently priced 45% below the average price you’ll pay for this route.

What are the most popular airlines that fly from Boston to Shannon?

What are the most reliable airlines from Boston to Shannon?

Before booking your flight to Shannon from Boston, check out the most reliable airlines to get you to your destination on time: Aer Lingus (87%), JetBlue (87%), British Airways( 87%).

What are the cheapest flights from Boston to Shannon?

The cheapest flight price from Boston to Shannon is $282. On average you can expect to pay $559. The most popular route, (Boston Logan Intl - Shannon), can usually be booked for $365.

What does BOS to SNN mean?

BOS stands for Boston Logan Intl Airport, while SNN stands for Shannon Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.

Alternative routes for Boston to Shannon

See prices for flight routes from nearby airports that may be better suited for you.
Boston to Dublinfrom $387 pp

Top 5 airlines flying from Boston to Shannon

The chart below displays the airlines Cheapflights users traveling from Boston to Shannon choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest$403Average$721FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
American AirlinesCheapest$468Average$802FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest$479Average$854FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
JetBlueCheapest$485Average$969FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
British AirwaysCheapest$581Average$1,236FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Hourly flight availability from Boston to Shannon

See what time of day planes typically take off from Boston to Shannon
0%of flight departuresEarly morningMidnight to 6 am
0%of flight departuresMorning6 am to noon
0%of flight departuresAfternoonNoon to 6 pm
100%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Boston to Shannon

See how many times per day planes take to the skies headed from Boston to Shannon
Sunday3daily flights
Monday3daily flights
Tuesday3daily flights
Wednesday3daily flights
Thursday3daily flights
Friday3daily flights
Saturday3daily flights
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