SNN - BOS

$401 Find Cheap Flights from Shannon to Boston - Compare and Save

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Everything you should know

Cheapest round-trip
$599
Typical prices: $612-$899
Aer Lingus
Sun 12/16Fri 2/9
SNN - BOS • Non-stop
Cheapest one-way
$401
Typical prices: $507-$731
Aer Lingus
Wed 12/5
SNN - BOS • Non-stop
Nonstop flights
You can fly direct with Aer Lingus. Average duration is 7h 15m
Direct flights
+1
Direct flights
+1
Avoid delays
Most punctual • 98% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 8 weeks in advance save around 40% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 42% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $535 (round-trip)
Shortest trip • 10h 04m (one-way)
Insights
Insights
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We hope you love your trip to Boston!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Shannon to Boston (SNN-BOS)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Shannon to Boston

Wed, Dec 16 - Tue, Feb 2
Aer Lingus Logo
2:00 pm - 4:15 pmSNN  Shannon-BOS Boston Logan Intl
7h 15mnonstop
Aer Lingus Logo
6:50 pm - 5:50 amBOS  Boston Logan Intl-SNN Shannon
6h 00mnonstop
$599Aer Lingus
Wed, Dec 16 - Tue, Feb 9
Aer Lingus Logo
2:00 pm - 4:15 pmSNN  Shannon-BOS Boston Logan Intl
7h 15mnonstop
Aer Lingus Logo
6:50 pm - 5:50 amBOS  Boston Logan Intl-SNN Shannon
6h 00mnonstop
$599Aer Lingus
Thu, Jan 21 - Thu, Apr 15
Aer Lingus Logo
2:00 pm - 4:15 pmSNN  Shannon-BOS Boston Logan Intl
7h 15mnonstop
Aer Lingus Logo
6:30 pm - 5:25 amBOS  Boston Logan Intl-SNN Shannon
5h 55mnonstop
$609Aer Lingus
Thu, Nov 19 - Fri, Nov 27
British Airways Logo
8:05 pm - 3:45 pmSNN  Shannon-BOS Boston Logan Intl
24h 40m1 stop London Heathrow
British Airways Logo
7:15 pm - 3:45 pmBOS  Boston Logan Intl-SNN Shannon
15h 30m1 stop London Heathrow
$612British Airways
Fri, Nov 20 - Fri, Nov 27
British Airways Logo
8:05 pm - 3:45 pmSNN  Shannon-BOS Boston Logan Intl
24h 40m1 stop London Heathrow
British Airways Logo
7:15 pm - 3:45 pmBOS  Boston Logan Intl-SNN Shannon
15h 30m1 stop London Heathrow
$612British Airways
Wed, Dec 16 - Tue, Feb 9
Aer Lingus Logo
2:00 pm - 4:15 pmSNN  Shannon-BOS Boston Logan Intl
7h 15mnonstop
Aer Lingus Logo
6:50 pm - 5:50 amBOS  Boston Logan Intl-SNN Shannon
6h 00mnonstop
$612Aer Lingus
Sun, Dec 6 - Mon, Dec 14
British Airways Logo
7:50 am - 2:20 pmSNN  Shannon-BOS Boston Logan Intl
11h 30m1 stop London Heathrow
British Airways Logo
9:30 pm - 7:25 pmBOS  Boston Logan Intl-SNN Shannon
16h 55m1 stop London Heathrow
$612British Airways
Fri, Nov 13 - Sun, Nov 22
British Airways Logo
8:05 pm - 3:45 pmSNN  Shannon-BOS Boston Logan Intl
24h 40m1 stop London Heathrow
British Airways Logo
7:15 pm - 4:45 pmBOS  Boston Logan Intl-SNN Shannon
16h 30m1 stop London Heathrow
$612British Airways
Wed, Nov 11 - Tue, Nov 17
British Airways Logo
7:50 am - 3:45 pmSNN  Shannon-BOS Boston Logan Intl
12h 55m1 stop London Heathrow
British Airways Logo
7:15 pm - 4:45 pmBOS  Boston Logan Intl-SNN Shannon
16h 30m1 stop London Heathrow
$612British Airways
Fri, Dec 18 - Sat, Jan 9
Aer Lingus Logo
2:00 pm - 4:15 pmSNN  Shannon-BOS Boston Logan Intl
7h 15mnonstop
Aer Lingus Logo
6:50 pm - 5:50 amBOS  Boston Logan Intl-SNN Shannon
6h 00mnonstop
$613Aer Lingus
Booking Insights

Price, demand and travel trends for Shannon to Boston flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Shannon to Boston?

Round-trip flights from Shannon to Boston typically range from $612 to $899. The lowest price found in the past 5 days was $599, on Aer Lingus.

What's the cheapest day of the week to fly from Shannon to Boston?

Based on deals KAYAK users found in the last 12 months, Tuesday is the cheapest day of the week to fly from Shannon to Boston. It’s 12% cheaper than the average day, while Sunday is the most expensive, with prices 43% higher.

What’s the cheapest month to fly from Shannon to Boston?

•January is the cheapest month to fly from Shannon to Boston at $424 round-trip.
•July ($974) and August ($971) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 129% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Shannon to Boston the cheapest?

Flights from Shannon to Boston are cheapest 8 weeks before departure. Booking in this window typically costs about 40% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from Shannon to Boston

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on American Airlines and JetBlue

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Marisa Garcia

Marisa Garcia

Expert on Aer Lingus

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Key details for Shannon to Boston flights

Low season

April

Cheapest flight

$401
Beat the crowds with an average 41% drop in travelers.
The most popular month to fly with an average 69% increase in travelers.
One-way flight from Shannon to Boston

When to book flights from Shannon to Boston

Are your dates flexible? Find out the best times to travel from Shannon to Boston based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Shannon to Boston flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What are the earliest and latest flights from Shannon to Boston?

    These are the earliest and latest flight times available from Shannon to Boston:

    • Earliest: departs at 2:00 pm and lands at 9:15 pm
    • Latest: departs at 2:00 pm and lands at 9:15 pm.

    The flight takes about 7h 15m.

  • What cabin classes can I book on flights from Shannon to Boston?

    Only Economy Class is available on flights from Shannon to Boston.

  • How long is a flight from Shannon to Boston?

    A nonstop flight from Shannon to Boston takes 7h 15m, covering 2,885 miles.

  • Do I need a passport to fly from Shannon to Boston?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Shannon to Boston flight?

    Round-trip flights from Shannon to Boston range from $612 to $899, with an average of $728 over the past 12 months. Anything below $612 counts as a good deal.

  • How expensive are last-minute Shannon to Boston flights?

    Last-minute fares on this route (booked within two weeks of departure) run 21% above the $728 route average. Book 8 weeks before departure for the lowest fares.

  • How much can I save by taking a layover when flying from Shannon to Boston?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $535 round-trip via New York John F Kennedy Intl (JFK), compared to $727 for nonstop.

  • How does on-time performance compare across airlines flying from Shannon to Boston?

    Aer Lingus is the only airline operating Shannon to Boston flights. 98% of its flights are on time.

  • What is the standard checked-bag allowance on flights from Shannon to Boston?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $27–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Shannon to Boston?

    The Airbus A321neo family is used most often on this route, operated mainly by Aer Lingus and Iberia. Other aircraft seen on the route include Airbus A321-100/200 variants.

  • How are flight departures from Shannon to Boston spread across the day?

    Afternoon is the busiest departure period on Shannon to Boston flights, with 100% of flights leaving in that window. Morning departures account for 0%, evening flights for 0%, and night flights for 0%.

  • Have flight prices from Shannon to Boston changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $599 to $2,916. That means the highest observed fare was about 5x higher than the lowest one.

  • How are flight prices from Shannon to Boston looking right now?

    One-way fares from Shannon to Boston are currently lower than usual. Average one-way flight prices are about $402, which is 34% below the typical average for this route.

  • What car rental options are available at Boston Logan Intl Airport (BOS)?

    Boston Logan Intl Airport (BOS) hosts 5 major car rental companies, with daily rates averaging $77 for economy cars. Top options include:

    • Dollar
    • Hertz
    • Budget
    • Thrifty
    • Sixt

  • Which airports can I use when flying from Shannon to Boston?

    Flights from Shannon to Boston usually depart from Shannon (SNN) and arrive at Boston Logan Intl (BOS).

  • What time of day has the fewest delays on flights from Shannon to Boston?

    Morning flights have the fewest delays on this route, while afternoon departures tend to have the most.

  • At what point is a flight considered delayed from Shannon to Boston?

    A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Shannon to Boston route, 2% of flights were delayed in the past 3 months, with delays averaging 4h 10m.

  • Which airports do connecting flights from Shannon to Boston pass through?

    One-stop flights from Shannon to Boston most commonly connect through:

    • Newark (EWR) - 33% of one-stop connections
    • New York John F Kennedy Intl (JFK) - 33% of one-stop connections
    • London Heathrow (LHR) - 33% of one-stop connections

  • Can I save money by using flexible dates for flights from Shannon to Boston?

    Yes. Flexible dates can save you up to 39% on flights from Shannon to Boston. Tuesday is the cheapest departure day at $643 round-trip on average, while Sunday is the most expensive at $1,048, a difference of $405.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What airlines fly from Shannon to Boston?

    Only Aer Lingus operates flights between Shannon and Boston.

  • How much time can I save by choosing a different layover airport from Shannon to Boston?

    Flying via Newark (EWR) gives the shortest average 1-stop total travel time at 10h 04m, compared with 13h 42m via New York John F Kennedy Intl (JFK) and 13h 49m via London Heathrow (LHR).

  • What is the time difference between Shannon and Boston?

    Boston is 4 hours behind Shannon (Eastern Time vs Irish Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Boston?

    Some of the most popular sights in Boston are TD Garden, Fenway Park and Boston Common. These are among the most viewed places in Boston on KAYAK.

  • Which airlines offer extra legroom and free seat selection on Shannon to Boston flights?

    Among airlines operating Shannon to Boston flights:

    • Aer Lingus: offers free seat selection
    • JetBlue: offers free seat selection
    • American Airlines: offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines include bags at no extra cost on Shannon to Boston flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Aer Lingus: a cabin bag and a checked bag in Economy Class
    • JetBlue: a cabin bag and a checked bag in Economy Class
    • Iberia: a cabin bag and a checked bag in Economy Class

    Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

  • Is there a lounge I can use while I wait at Shannon Airport?

    The airport has multiple lounges, but passengers on flights departing to the U.S. can only use the Boru Lounge. It's €25 per person when you pre-book online (or €27.50 if you pay at the door). It's open from 06:00-19:00 from Sunday to Friday, and closes a little earlier at 17:25 on Saturdays. You'll have access to phones and a TV, shower services to freshen up, and complimentary alcoholic and non-alcoholic beverages. Make sure you arrive at the airport a little early to enjoy the lounge; you can only use the Boru Lounge before you go through U.S. preclearance.

  • How do I get from Boston Airport (BOS) to Boston?

    The Silver Line Bus (SL1) travels between all of the airport's terminals and central Boston's South Station. It's free to use from the airport into the city, and from the city to the airport it's around $2 (€1.70). The bus takes 25-30min to get to Boston's South Station. From there, you can transfer to the red line metro; it connects to Boston's other subway lines, and it's a fast and easy way to get around the city. If you'd prefer added privacy and to be dropped off at your door, you can get a taxi from the airport for around $25-30 (€20-25). They're available from a taxi rank right outside the terminal.

Your guide to booking Shannon to Boston flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Tuesday departure and avoid flying on Sunday. On this route, Tuesday flights average $643, about $405 less than Sunday fares (39% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 8 weeks before you fly. On this route, that window historically saves about 40% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Shannon to Boston trip for January. Fares historically average $424 round-trip in that month - typically $550 less than the most expensive month, which is July (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through New York John F Kennedy Intl Airport (JFK) can be cheaper than flying direct. The cheapest layover option averages $535 round-trip on this route - about $192 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Boston Logan Intl Airport.

    • Hyatt Regency Boston Harbor
    • Hilton Garden Inn Boston Logan Airport
    • Hilton Boston Logan Airport
  • Shannon Airport (SNN) has free, unlimited Wi-Fi, so you'll easily be able to download your boarding pass while you're in the airport. If you don't have a phone/tablet/laptop, you can use internet terminals between Arrivals and Departures; they're coin-operated.
  • Once you're through U.S. preclearance in Shannon Airport, you'll still have the chance to buy coffee, snacks, and sandwiches before you board; there's a cafe in the Boarding Area near your gate.
  • If you have an early flight home, you can stay at one of the hotels in Boston Airport (BOS) the night before; these include the Hilton Boston Logan Airport and the Hyatt Regency Harborside.

Prefer to fly direct from Shannon to Boston?

 
Find which airlines fly direct from Shannon Airport to Boston Logan Intl Airport, which days they fly and book direct flights.

Direct departures

Shannon to Boston Logan Intl

Monday

Aer Lingus

Aer Lingus

Tuesday

Aer Lingus

Aer Lingus

Wednesday

Aer Lingus

Aer Lingus

Thursday

Aer Lingus

Aer Lingus

Friday

Aer Lingus

Aer Lingus

Saturday

Aer Lingus

Aer Lingus

Sunday

Aer Lingus

Aer Lingus

See more direct flights

Direct returns

Boston Logan Intl to Shannon

Monday

Aer Lingus

Aer Lingus

Tuesday

Aer Lingus

Aer Lingus

Wednesday

Aer Lingus

Aer Lingus

Thursday

Aer Lingus

Aer Lingus

Friday

Aer Lingus

Aer Lingus

Saturday

Aer Lingus

Aer Lingus

Sunday

Aer Lingus

Aer Lingus

See more direct flights

More options for your flight from Shannon to Boston

Complete your trip to Boston with a hotel stay or car rental