A coastal cliff with a person standing on the edge, overlooking the sea during sunset.

$313 Cheap Flights from Boston (BOS) to Shannon (SNN)

View $313 flight on Tue, Sep 8, 2026Opens in a new window

Popular airlines from Logan International Airport (BOS) to Shannon Airport (SNN)

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Cheap Flights from Boston to Shannon (BOS-SNN)

Prices were available within the past 7 days and start at $313 for one-way flights and $628 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Apr 7 - Fri, Apr 16
BOS
Boston
SNN
Shannon
$628 Roundtrip, found 4 days ago
$628
Roundtrip
found 4 days ago
Select United flight, departing Wed, Apr 7 from Boston to Shannon, returning Fri, Apr 16, priced at $628 found 4 days ago
United
Wed, Apr 7 - Fri, Apr 16
BOS
Boston
SNN
Shannon
$632 Roundtrip, found 4 days ago
$632
Roundtrip
found 4 days ago
Select United flight, departing Wed, Apr 7 from Boston to Shannon, returning Fri, Apr 16, priced at $632 found 4 days ago
United
Tue, Apr 20 - Tue, May 4
BOS
Boston
SNN
Shannon
$653 Roundtrip, found 20 hours ago
$653
Roundtrip
found 20 hours ago
Select United flight, departing Tue, Apr 20 from Boston to Shannon, returning Tue, May 4, priced at $653 found 20 hours ago
United
Wed, Aug 19 - Fri, Aug 21
BOS
Boston
SNN
Shannon
$657 Roundtrip, found 4 days ago
$657
Roundtrip
found 4 days ago
Select United flight, departing Wed, Aug 19 from Boston to Shannon, returning Fri, Aug 21, priced at $657 found 4 days ago
United
Tue, Apr 20 - Tue, May 4
BOS
Boston
SNN
Shannon
$657 Roundtrip, found 20 hours ago
$657
Roundtrip
found 20 hours ago
Select United flight, departing Tue, Apr 20 from Boston to Shannon, returning Tue, May 4, priced at $657 found 20 hours ago
United
Wed, Aug 19 - Fri, Aug 21
BOS
Boston
SNN
Shannon
$662 Roundtrip, found 4 days ago
$662
Roundtrip
found 4 days ago
Select United flight, departing Wed, Aug 19 from Boston to Shannon, returning Fri, Aug 21, priced at $662 found 4 days ago
Aer Lingus
Fri, Nov 6 - Tue, Nov 10
BOS
Boston
SNN
Shannon
$697 Roundtrip, just found
$697
Roundtrip
just found
Select Aer Lingus flight, departing Fri, Nov 6 from Boston to Shannon, returning Tue, Nov 10, priced at $697 just found
Delta
Mon, Aug 17 - Thu, Aug 27
BOS
Boston
SNN
Shannon
$712 Roundtrip, just found
$712
Roundtrip
just found
Select Delta flight, departing Mon, Aug 17 from Boston to Shannon, returning Thu, Aug 27, priced at $712 just found
Lufthansa
Fri, Aug 28 - Sat, Sep 5
BOS
Boston
SNN
Shannon
$738 Roundtrip, found 21 hours ago
$738
Roundtrip
found 21 hours ago
Select Lufthansa flight, departing Fri, Aug 28 from Boston to Shannon, returning Sat, Sep 5, priced at $738 found 21 hours ago
Air France
Mon, Aug 17 - Thu, Aug 27
BOS
Boston
SNN
Shannon
$748 Roundtrip, just found
$748
Roundtrip
just found
Select Air France flight, departing Mon, Aug 17 from Boston to Shannon, returning Thu, Aug 27, priced at $748 just found

Alternative airports near Shannon

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Shannon Airport SNN. Cheapest and Closest option available. Average driving time to city center is 7 minutes. Flights from $742
SNN
Shannon Airport
CheapestClosest
Average driving time to city center7 min
Flights from $742

Find the cheapest month to fly from Boston (BOS) to Shannon (SNN)

February is typically the cheapest month to fly

From $352 - $592 per traveler.

What you need to know for your flight from Logan Intl. to Shannon

Boston (BOS) to Shannon (SNN) at a glance

Travel with a selection of airlines offering routes from Boston (BOS) to Shannon (SNN) on this international long-haul journey. Evaluate choices from both full-service and budget carriers to discover the itinerary that aligns with your budget, schedule, and travel aspirations while you uncover the renowned attractions and neighborhoods of Shannon. Gather essential details regarding flights from Logan International Airport (BOS) to Shannon Airport (SNN).

  • Fastest flight duration: around 5h 45m non-stop
  • Route distance: roughly 2,900 miles (4,670 km)
  • Flights per week: around 10 departures on average
  • Typical fares (one-way): economy tickets often range from $175–$655, depending on seasonality and how far ahead you book

Flights from Logan International Airport (BOS) to Shannon Airport (SNN)

According to recent traveler bookings, here are the top airlines favored for flights from Boston to Shannon, focusing on non-stop and one-stop options. Common layover points include Newark Liberty International Airport (EWR, approximately 1h 15m layover), John F. Kennedy International Airport (JFK, about 1h 30m layover), and Heathrow Airport (LHR, around 2 hours layover). This variety allows you to tailor your travel experience by balancing price, total travel time, and cabin class to secure the best itinerary for your journey.

  • Aer Lingus: This full-service airline provides non-stop flights, with one-way ticket prices generally falling between $175 and $820. It handles about 65% of departures on this route, offering a total travel duration of 5 hours and 45 minutes.
  • American Airlines: As another full-service option, American Airlines features both non-stop and one-stop services, with one-way fares typically ranging from $275 to $760. This carrier accounts for around 21% of departures, with a direct flight time of 5 hours and 45 minutes.
  • United: A full-service airline, United offers one-stop travel with one-way fares typically between $180 and $595. It constitutes about 8% of the departures on this route, with a total journey time of approximately 9 hours and 30 minutes, which includes an 8-hour in-flight duration.
  • Delta: Known for its one-stop service, Delta charges one-way fares that usually range from $205 to $465. It represents about 3% of the departures, with a total travel time around 9 hours and 30 minutes, including an 8-hour flight segment.
  • JetBlue Airways: As a low-cost carrier, JetBlue offers non-stop flights with one-way fares typically ranging from $420 to $980. This airline accounts for roughly 2% of departures on this route, with a complete journey time of 5 hours and 45 minutes.

Travelers flying from Boston to Shannon can opt for an upgrade, as Aer Lingus provides business class service on this route.

Best time to fly from Boston (BOS) to Shannon (SNN)

The most popular months for travelers flying from Boston to Shannon are March, April, and August, when peak temperatures in Shannon reach up to 58.5°F in August. If you prefer quieter travel, consider October, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 51.4°F. For better deals, November usually offers the lowest average one-way fare around $261. Flight availability peaks in July, with approximately 13 flights per week, making it easier to find convenient departure times. January, February, March, November, and December have the fewest flights, with approximately 8 flights per week.

  • Cheapest time to fly: November usually offers good deals with average one-way fare around $261, roughly 34% cheaper than the yearly average.
  • Most flight options: July has the highest number of flights from Boston to Shannon, with approximately 13 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January42.1°F (5.6°C)Low8$427
February42.6°F (5.9°C)Average8$319
March43.9°F (6.6°C)High8$333
April47.5°F (8.6°C)High9$396
May52.0°F (11.1°C)Average9$449
June56.8°F (13.8°C)Average12$626
July59.2°F (15.1°C)Average13$461
August58.5°F (14.7°C)High12$418
September55.8°F (13.2°C)Average11$379
October51.4°F (10.8°C)Low9$312
November45.9°F (7.7°C)Average8$261
December43.3°F (6.3°C)Low8$426

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative route from Boston (BOS) to Shannon (SNN)

  • Boston to Cork (BOS-ORK): Cork Airport (ORK) is located approximately 61 miles from Shannon Airport (SNN). One-way economy prices for this route generally fall between $215 and $750, influenced by the time of year and how far in advance you book. Travelers can expect primarily one-stop flights, with frequent layovers at Heathrow Airport (LHR) and Schiphol Airport (AMS). The main airlines operating this route include American Airlines and British Airways.

How to find the best prices for flights from Boston (BOS) to Shannon (SNN)

Getting some of the best deals on flights from Boston to Shannon is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are usually available when booking 2 to 8 weeks in advance, although most travelers tend to book at least 2 months ahead. Departures in the evening (6 PM to 12 AM) often offer lower prices and are the most popular times to fly. Additionally, flying on Fridays generally provides cheaper rates, while Wednesdays are the most commonly chosen travel days.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.* Find Shannon hotel and flight deals.
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Shannon Airport from Logan International Airport

Shannon welcomes travelers from Boston with a range of transport options based on price, convenience, and proximity. Here's how to reach Shannon efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Shannon, with options including free hotel shuttles and private rides, which can be arranged in advance with your hotel.
  • Car rental: Renting a car from Shannon Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Shannon Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Shannon Airport, travelers can conveniently reach Shannon Seaport, a seaport located about 3.2 miles away by car, while Sixmilebridge Station, a train station, is situated approximately 8.9 miles from the airport and is also best accessed by car.

Frequently asked questions

How much does a flight from Boston, MA (BOS-Logan Intl.) to Shannon (SNN) cost?
You can find cheap one-way flights from $313 and cheap return flights from $628 Boston, MA (BOS-Logan Intl.) to Shannon (SNN) with Expedia. One-way flights typically cost between $374 and $3038, and return flights often range between $444 and $5378. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Boston, MA (BOS-Logan Intl.) to Shannon (SNN) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Boston, MA (BOS-Logan Intl.) to Shannon (SNN)?
August is the cheapest month to fly from Boston, MA (BOS) to Shannon (SNN), with average round-trip fares around $600. This price is about 10% lower than the average throughout the year, likely due to reduced demand after the peak summer travel season. Other budget-friendly months to consider are January and November.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Boston, MA (BOS-Logan Intl.) to Shannon (SNN)?
Aer Lingus operates around 8 direct flights from BOS to SNN every week.
What is the cheapest airline that flies from Boston, MA (BOS-Logan Intl.) to Shannon (SNN)?
American Airlines is one of the cheapest airlines offering nonstop flights from Boston, MA (BOS) to Shannon (SNN), with round-trip tickets starting from around $522. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Boston, MA (BOS-Logan Intl.) to Shannon (SNN)?
To find a cheap flight from Boston, MA (BOS-Logan Intl.) to Shannon (SNN), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Boston, MA (BOS-Logan Intl.) to Shannon (SNN)?
The best airline to fly with from Boston, MA (BOS) to Shannon (SNN) will differ from traveler to traveler. If you like to fly early, Aer Lingus offers early morning flights. If price is the most important factor, Aer Lingus typically offers the lowest fares. American Airlines offers the most daily flights from BOS to SNN, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Boston, MA (BOS-Logan Intl.) to Shannon (SNN)?
For your journey from Boston (BOS) to Shannon (SNN), August and January are the best months to fly. You can find return flights for about $600 in January, which is the cheapest month, while August is popular for travelers looking to enjoy the summer in Ireland.*Prices based on flights available on Expedia in the last year.
How many flights per day from Boston, MA (BOS-Logan Intl.) to Shannon (SNN)?
You can find approximately 1 nonstop flights per day from Logan Intl. (BOS) to (SNN). For more options, look at flights that include layovers.
What is the earliest flight from Boston, MA (BOS-Logan Intl.) to Shannon (SNN)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from BOS to SNN. To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Boston, MA (BOS-Logan Intl.) to Shannon (SNN)?
The most popular departure times for flights from Boston, MA (BOS) to Shannon (SNN) are in the evening, from 6pm to 9pm. About 40% of passengers prefer this time window. Many major carriers, including American Airlines and Aer Lingus, offer flights during this window. This timing is popular because it allows you to enjoy a full day in Boston before your flight.
How long does it take to fly from Boston, MA (BOS-Logan Intl.) to Shannon (SNN)?
Flying nonstop from BOS to SNN takes around 6 hours, with the route covering approximately 2,888 miles. Flights with a layover typically take 10 hours 50 minutes longer than direct options. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Boston, MA (BOS-Logan Intl.) to Shannon (SNN)?
Business class is available on flights from BOS to SNN. Airlines that offer business class service on this route include:

  • Aer Lingus
  • Delta Air Lines
  • Lufthansa
  • Air Canada
  • JetBlue Airways

How much is a business class flight from Boston, MA (BOS-Logan Intl.) to Shannon (SNN)?
A direct, return business class ticket from Boston (BOS) to Shannon (SNN) typically costs between $3,476 - $8,309. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Boston, MA (BOS-Logan Intl.) to Shannon (SNN) if you opt for a connecting flight.*Prices based on flights available on Expedia in the last year.
How do I earn miles on a Boston, MA (BOS-Logan Intl.) to Shannon (SNN) flight with Expedia?
It's easy to earn miles on a Boston, MA (BOS-Logan Intl.) to Shannon (SNN) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
Is it cheaper to buy a plane ticket from Boston, MA (BOS-Logan Intl.) to Shannon (SNN) at the last minute?
Typically, booking a last minute flight from Boston, MA (BOS-Logan Intl.) to Shannon (SNN) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Boston, MA (BOS-Logan Intl.) to Shannon (SNN) flight and hotel package?
Securing a Boston, MA (BOS-Logan Intl.) to Shannon (SNN) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Boston, MA (BOS-Logan Intl.) to Shannon (SNN)?
If you booked your Boston, MA (BOS-Logan Intl.) to Shannon (SNN) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Logan Intl.
Destination airport
Shannon
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, British Airways, Delta, Iberia, JetBlue Airways, KLM, Lufthansa, United
Roundtrip price
$627
Distance
2887 mi
Average flight time
5 hours 55 mins

Book with confidence

Boston to Shannon Flights

The cheapest times to fly from Boston to Shannon

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Boston to Shannon are during the month of April. You can find some of the cheapest flights from Boston to Shannon with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Boston to Shannon

Sunday is one of the best days to book for cheap flights from Boston to Shannon: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Boston to Shannon

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Boston to Shannon in 2026. You can also book with separate airlines for your outbound and return journeys, from $313 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Boston to Shannon flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Boston to Shannon airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Boston to Shannon Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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