Cheap Flights from Boston, MA to Shannon from $245

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On Cheapflightsplus.com you will find 1 direct and 918 connecting flights from Boston to Shannon. You can compare airfare deals from 23 airlines and multiple travel sites from $245, book and save on cheap plane tickets and last minute offers. Also check out BOS-SNN flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Boston to Shannon Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $245 (one-way), $420 (round-trip).

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Best Flights from Boston to Shannon Today

Take a look at the list of non stop flights and flights with layovers from Boston to Shannon with the lowest price of $245. The fastest direct flight takes 5h 50m and the fastest connecting – 9h 11m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $470 Find flight	18:35 Boston Logan	05:25+1 день Shannon Shannon	5h 50m	Aer Lingus	EI134
from $347 Find flight	20:15 Boston Logan	15:50+1 день Shannon Shannon	14h 35m layover 6h 15m - London	Virgin Atlantic Airways	VS158 EI385
from $383 Find flight	20:02 Boston Logan	10:15+1 день Shannon Shannon	9h 13m layover 1h 11m - Newark	United Airlines	UA2647 UA270
from $405 Find flight	20:02 Boston Logan	10:15+1 день Shannon Shannon	9h 13m layover 1h 21m - Newark	United Airlines	UA562 UA270
from $245 Find flight	20:50 Boston Logan	18:40+1 день Shannon Shannon	16h 50m layover 1h 35m - Reykjavik 5h 15m - London	Icelandair	FI630 FI450 FR109
from $289 Find flight	12:35 Boston Logan	11:50+2 дня Shannon Shannon	42h 15m layover 9h 50m - Reykjavik 22h 0m - Paris	Icelandair	FI634 FI542 EI909
from $328 Find flight	23:35 Boston Logan	20:35+2 дня Shannon Shannon	40h 0m layover 7h 25m - Reykjavik 22h 50m - London	Icelandair	FI632 FI454 EI387
from $329 Find flight	23:35 Boston Logan	15:50+2 дня Shannon Shannon	35h 15m layover 7h 25m - Reykjavik 18h 0m - London	Icelandair	FI632 FI454 EI385
from $332 Find flight	23:35 Boston Logan	20:35+2 дня Shannon Shannon	40h 0m layover 22h 55m - Reykjavik 7h 15m - London	Icelandair	FI632 FI450 EI387
from $335 Find flight	15:25 Boston Logan	14:55+1 день Shannon Shannon	18h 30m layover 1h 37m - Orlando 3h 20m - London	Spirit Airlines	NK2781 Z0784 FR1183
from $337 Find flight	17:50 Boston Logan	16:15+1 день Shannon Shannon	17h 25m layover 3h 15m - Frankfurt 1h 20m - Naples	Lufthansa	LH423 LH334 FR2987
from $338 Find flight	09:44 Boston Logan	16:35+1 день Shannon Shannon	25h 51m layover 3h 47m - Miami 8h 5m - London	Spirit Airlines	NK2235 Z0724 FR1183
from $339 Find flight	18:30 Boston Logan	14:55+1 день Shannon Shannon	15h 25m layover 1h 55m - Montreal 3h 45m - London	Air Canada	AC8611 AC864 FR1183
from $339 Find flight	15:15 Boston Logan	14:55+1 день Shannon Shannon	18h 40m layover 5h 10m - Montreal 3h 45m - London	Air Canada	AC8609 AC864 FR1183
from $341 Find flight	15:20 Boston Logan	13:10+1 день Shannon Shannon	16h 50m layover 2h 7m - Montreal 5h 10m - London	Air Canada	AC8609 AC866 FR109
from $341 Find flight	15:20 Boston Logan	18:40+1 день Shannon Shannon	22h 20m layover 5h 37m - Montreal 7h 10m - London	Air Canada	AC8609 AC864 FR109

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on September 03, 2025

Flight Schedule Boston (Massachusetts) to Shannon

Full flight schedule will help you in detecting at what time planes fly from Boston to Shannon. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.

Departure	Flight Details	Flight Duration	Price
18:35 — 05:25 +1 day	18:35 — 05:25 EI134 Aer Lingus Boston — Shannon	5h 50m	Find flight from$470
18:56 — 10:15 +1 day	18:56 — 20:30 UA521 United Airlines Boston — Newark 2h 20m stop 22:50 — 10:15 UA270 United Airlines Newark — Shannon	10h 19m including layover	Find flight from$383
09:40 — 20:35 +1 day	09:40 — 12:56 F93347 Frontier Airlines Boston — Orlando 7h 32m stop 20:30 — 10:00 Z0784 Z0 Orlando — London 9h 10m stop 19:10 — 20:35 EI387 Aer Lingus London — Shannon	29h 55m including layover	Find flight from$360
09:44 — 16:35 +1 day	09:46 — 13:16 NK2235 Spirit Airlines Boston — Miami 3h 47m stop 17:20 — 07:00 Z0724 Z0 Miami — London 8h 5m stop 19:15 — 20:50 FR1183 Ryanair London — Shannon	25h 51m including layover	Find flight from$338
10:20 — 00:05 +2 days	10:20 — 11:45 AC751 Air Canada Boston — Montreal 7h 10m stop 18:55 — 06:30 AC866 Air Canada Montreal — London 16h 5m stop 22:35 — 00:05 FR109 Ryanair London — Shannon	32h 45m including layover	Find flight from$360
10:20 — 13:10 +1 day	10:20 — 11:45 AC751 Air Canada Boston — Montreal 7h 10m stop 18:55 — 06:30 AC866 Air Canada Montreal — London 5h 10m stop 11:40 — 13:10 FR310 Ryanair London — Shannon	21h 50m including layover	Find flight from$362
12:35 — 18:40 +1 day	12:35 — 21:45 FI634 Icelandair Boston — Reykjavik 9h 55m stop 07:40 — 11:55 FI450 Icelandair Reykjavik — London 5h 15m stop 20:20 — 21:50 FR109 Ryanair London — Shannon	25h 5m including layover	Find flight from$245
12:35 — 22:05 +1 day	12:35 — 21:45 FI634 Icelandair Boston — Reykjavik 9h 55m stop 07:40 — 11:55 FI450 Icelandair Reykjavik — London 8h 40m stop 20:35 — 22:05 FR310 Ryanair London — Shannon	28h 30m including layover	Find flight from$245
15:15 — 14:55 +1 day	15:20 — 16:44 AC8609 Air Canada Boston — Montreal 5h 10m stop 22:25 — 10:00 AC864 Air Canada Montreal — London 3h 45m stop 19:15 — 20:50 FR1183 Ryanair London — Shannon	18h 40m including layover	Find flight from$339
15:25 — 14:55 +1 day	15:25 — 18:53 NK2781 Spirit Airlines Boston — Orlando 1h 37m stop 20:30 — 10:00 Z0784 Z0 Orlando — London 3h 20m stop 13:20 — 14:55 FR1183 Ryanair London — Shannon	18h 30m including layover	Find flight from$335
16:35 — 23:00 +1 day	16:35 — 18:40 AC8695 Air Canada Boston — Toronto 1h 50m stop 20:30 — 08:35 AC856 Air Canada Toronto — London 12h 55m stop 21:30 — 23:00 FR109 Ryanair London — Shannon	25h 25m including layover	Find flight from$346
16:35 — 18:40 +1 day	16:35 — 18:40 AC8695 Air Canada Boston — Toronto 4h 55m stop 23:35 — 11:50 AC858 Air Canada Toronto — London 5h 20m stop 20:20 — 21:50 FR109 Ryanair London — Shannon	21h 5m including layover	Find flight from$347
17:50 — 16:15 +1 day	17:50 — 07:10 LH423 Lufthansa Boston — Frankfurt 3h 15m stop 10:25 — 12:25 LH334 Lufthansa Frankfurt — Naples 1h 20m stop 13:45 — 16:15 FR2987 Ryanair Naples — Shannon	17h 25m including layover	Find flight from$337
17:50 — 14:55 +1 day	17:50 — 07:05 LH423 Lufthansa Boston — Frankfurt 1h 55m stop 09:00 — 09:40 LH902 Lufthansa Frankfurt — London 3h 40m stop 13:20 — 14:55 FR1183 Ryanair London — Shannon	16h 5m including layover	Find flight from$361
18:30 — 14:55 +1 day	18:55 — 20:20 AC8611 Air Canada Boston — Montreal 1h 55m stop 22:25 — 10:00 AC864 Air Canada Montreal — London 3h 45m stop 15:45 — 17:20 FR1183 Ryanair London — Shannon	15h 25m including layover	Find flight from$339
19:00 — 18:40 +1 day	19:00 — 20:54 AC757 Air Canada Boston — Toronto 2h 40m stop 23:35 — 11:50 AC858 Air Canada Toronto — London 5h 20m stop 21:30 — 23:00 FR109 Ryanair London — Shannon	18h 40m including layover	Find flight from$347
19:00 — 17:20 +1 day	19:00 — 20:54 AC757 Air Canada Boston — Toronto 2h 40m stop 23:35 — 11:50 AC858 Air Canada Toronto — London 3h 55m stop 15:45 — 17:20 FR1183 Ryanair London — Shannon	17h 20m including layover	Find flight from$356
20:50 — 18:40 +1 day	20:50 — 06:05 FI630 Icelandair Boston — Reykjavik 1h 35m stop 07:40 — 11:55 FI450 Icelandair Reykjavik — London 5h 15m stop 17:10 — 18:40 FR109 Ryanair London — Shannon	16h 50m including layover	Find flight from$245
20:50 — 15:10 +1 day	20:50 — 06:05 FI630 Icelandair Boston — Reykjavik 1h 55m stop 08:00 — 11:40 FI440 Icelandair Reykjavik — Manchester 2h 20m stop 14:00 — 15:10 FR4776 Ryanair Manchester — Shannon	13h 20m including layover	Find flight from$273
22:25 — 15:50 +2 days	22:25 — 09:50 TP216 TAP Portugal Boston — Lisbon 9h 30m stop 19:20 — 22:05 TP1358 TAP Portugal Lisbon — London 16h 15m stop 14:20 — 15:50 EI385 Aer Lingus London — Shannon	36h 25m including layover	Find flight from$345
22:45 — 11:20 +2 days	22:25 — 09:50 TP216 TAP Portugal Boston — Lisbon 5h 50m stop 16:05 — 18:50 TP1364 TAP Portugal Lisbon — London 15h stop 09:50 — 11:20 EI381 Aer Lingus London — Shannon	31h 35m including layover	Find flight from$373
23:35 — 20:35 +2 days	23:35 — 08:45 FI632 Icelandair Boston — Reykjavik 7h 25m stop 16:10 — 20:20 FI454 Icelandair Reykjavik — London 22h 50m stop 19:10 — 20:35 EI387 Aer Lingus London — Shannon	40h including layover	Find flight from$328
23:35 — 15:50 +2 days	23:35 — 08:45 FI632 Icelandair Boston — Reykjavik 7h 25m stop 16:10 — 20:20 FI454 Icelandair Reykjavik — London 18h stop 14:40 — 16:10 EI385 Aer Lingus London — Shannon	35h 15m including layover	Find flight from$329

Departure	Arrival	Flight Details	Flight Time	Price
		stop stop	including layover	Find flight from$

*Departure and arrival times - local. Updated on September 3, 2025

Flight Information

Below we will explain in detail what the flights cost on the destination from Boston to Shannon depends on and how to choose the most interesting flight option for you.

Distance between Boston and Shannon is 4646 miles. Time difference between the cities is 5h. Airplanes depart 05:30 to 23:40 from 4 Boston airports and arrive 05:30 to 23:40 to 1 Shannon airport. Average flight time is 5h 50m.

The fastest flight 5h 50m
Average flight time 5h 50m
The earliest flight 05:30
The latest flight 23:40
Distance 2887 ml

The cheapest months to travel to Shannon are july (from 245 $), june (from 316 $), october (from 337 $).

The most expensive months are february (from 479 $), november (from 402 $), may (from 367 $).

What is the lowest airfare Boston to Shannon?

The cheapest plane ticket found by our users is $245. This airfare is for economy class on one-way FI634 flight by Icelandair for July 14, 2025 which leaves Logan in Boston at 12:35 am and arrives at Shannon Shannon at 22:05.

Economy class

$245

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Business class

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First class

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Popular Airlines on the Route

The flight Boston — Shannon is served by 23 regular airlines and 5 low-cost airlines. Most of the flights on this route are operated by KLM - 47 departures per week at the price of from $ 414 . And the most expensive tickets are offered by SWISS International Air Lines airline - from $ 4731.

Direct flights

There are 1 nonstop flights on the route. The fastest direct flight is EI134 by Aer Lingus takes 5h 50m and the cheapest is FI634 by Icelandair for $470.

EI - Aer Lingus

from $470

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Connecting Flights

There are 918 flights with layovers on the route. The fastest connecting flight is AF2262 by Air France takes 9h 11m and the cheapest is FI634 by Icelandair for $245.

KL - KLM

from $414

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AC - Air Canada

from $339

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FI - Icelandair

from $245

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VY - Vueling

from $348

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EI - Aer Lingus

from $468

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AF - Air France

from $419

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LX - SWISS International Air Lines

from $375

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UA - United Airlines

from $378

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F9 - Frontier Airlines

from $360

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PD - Porter Airlines

from $569

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OG - Air Onix

from $363

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AY - Finnair

from $473

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Airports

You can fly from Boston to Shannon from 4 airports (Boston City Heliport, Boston RT128 Rail, Boston South Rail, Logan).

Boston airports

Boston City Heliport-JBC

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Boston RT128 Rail-ZRU

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Boston South Rail-ZTO

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Logan-BOS

from $245
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Shannon airports

Shannon-SNN

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Airplanes

There are flights to Shannon from Boston by 23 airlines that use 1 aircraft brands. They range from huge modern airplanes to small-sized.

Airbus A321 NEO

from $470

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Top Domestic Destinations from Boston

You may also consider searching for discounted plane tickets to some other popular places from Boston within United States.

Boston — New York

from $57

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Boston — Orlando

from $67

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from $59

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Boston — Miami

from $56

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Boston — Washington D.C.

from $64

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Boston — Denver

from $65

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Boston — Nashville

from $71

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Boston — Tampa

from $63

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Boston — Las Vegas

from $63

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Boston — Seattle

from $60

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Top International Destinations from Boston

Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.

Boston — London

from $76

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Boston — Paris

from $76

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Boston — Toronto

from $54

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Boston — Dublin

from $54

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Boston — Aruba

from $69

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Boston — Rome

from $77

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Boston — Cancun

from $78

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Boston — Lisbon

from $66

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Boston — Montreal

from $77

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Boston — Barcelona

from $67

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How to book a plane ticket yourself?

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