Price observed over the last 3 months for a round trip.
Compare all flight tickets and find cheap flights from Boston to Shannon
The cheapest flights right now
Boston – Shannon
Outbound – Dec 11, 2026
direct
6h 0m Return – Dec 18, 2026
direct
7h 15m $773
2 days ago
Boston – Shannon
Outbound – Dec 13, 2026
direct
6h 0m Return – Dec 21, 2026
direct
7h 15m $769
2 days ago
Boston – Shannon
Outbound – Dec 11, 2026
direct
6h 0m Return – Dec 16, 2026
direct
7h 15m $803
yesterday
Boston – Shannon
Outbound – Dec 8, 2026
direct
6h 0m Return – Dec 13, 2026
direct
7h 15m $832
3 days ago
* Prices are in USD per passenger, including taxes, for a round trip. Prices are based on searches carried out within the last 72 hours. Please note that availability and ticket prices are subject to change and should not be considered as the final price quoted.
Cheapest flight tickets
$581
Average price of a round trip
$763
Average flight ticket price recorded over the last 3 months for a round trip.
Flight duration
5h43
A flight from Boston to Shannon takes on average 5h43.
Best time
July
According to user searches, the ideal month to go to Shannon is July.
The best flight deals for a week
Boston – Shannon
Outbound – Jul 2, 2027
direct
5h 55m Return – Jul 8, 2027
direct
6h 55m $1,171
3 days ago
Boston – Shannon
Outbound – Jul 2, 2027
direct
5h 55m Return – Jul 8, 2027
direct
6h 55m $1,144
3 days ago
Boston – Shannon
Outbound – Dec 11, 2026
direct
6h 0m Return – Dec 17, 2026
direct
7h 15m $773
2 days ago
Boston – Shannon
Outbound – Jul 2, 2027
direct
5h 55m Return – Jul 8, 2027
direct
6h 55m $872
3 days ago
* Prices are in USD per passenger, including taxes, for a round trip. Prices are based on searches carried out within the last 72 hours. Please note that availability and ticket prices are subject to change and should not be considered as the final price quoted.
Tips for finding a cheap flight from Boston to Shannon
Check out our tips for booking your flight to Shannon (Ireland) from Boston (USA) at the cheapest possible price.
Usually, the cheapest month to pick up a ticket on this route is October, with an average flight ticket price of $599 (calculation over the last two years). The most touristic season corresponds to the months of November, September and October.
For the cheapest flights, it is advisable to buy your ticket at least 33 days before the departure date.
The airline offering the cheapest flight tickets is Iberia. A ticket from the airline Iberia to Shannon costs on average $552.
The airlines that offer the most flights are Finnair, Aer Lingus and Finnair.
Price of flight tickets from Boston to Shannon
Here is some information and tips to know before booking your flight:
- Flight ticket prices range from $581 to $1064
- The average price of a flight ticket is about $763
- Prices are lowest for stays in the month of October
- The month in which booking a ticket is cheaper is: November
info departure city :
Boston, USA
airport :
Boston-Logan International Airport (BOS)
local time :
Boston is a city in the country USA, the time zone is [[timezone]]. In Boston, it is currently {fromLocalTime}, the temperature is on average 10°C, with a minimum of 7°C and a maximum of 13°C.
The city of Boston has 1 airport(s): Boston-Logan
destination info :
Shannon, Ireland
airport :
Shannon Airport (SNN)
local time :
Shannon is in the country Ireland, the time zone is [[timezone]]. In Shannon, it is currently {toLocalTime}, the temperature is on average 5°C, with a minimum of 1°C and a maximum of 8°C.
The city of Shannon has 1 airport(s): Shannon
Useful info about Shannon
What is the least touristic period to go to Shannon?
If you want to visit Shannon during the least touristic period, choose the month of July.
What is the most popular time to travel to Shannon?
In Shannon, the most popular month is November. It is during this period that the prices offered by airlines are also the highest.
When should I book my flight from Boston to Shannon?
According to our data, it is recommended to book your flight 33 days before your departure. If you book your flight ticket 5 weeks before your departure, you may find a price below average. You can also choose morning flights that are 100% cheaper than afternoon and evening flights. The cheapest day to book a flight from Boston to Shannon is Friday.
What are the arrival and destination airports when traveling between Boston and Shannon?
When you leave, you can leave from Boston-Logan, and you will arrive at Shannon.
How to reach Boston airport from the city centre?
This information is not available at this time.
Are there other means of transportation to go from Boston to Shannon?
Airplane is the only means of transportation listed on Liligo for this journey.
Are there big differences in weather between Boston and Shannon?
In summer, the average temperature is 15°C in Shannon and 22°C in Boston. The average rainfall in summer is 89 mm in Shannon and 106 mm in Boston. In summer, it is warmer in Boston and it rains less in Shannon. In winter, it is colder in Shannon and it rains more in Boston.