$259+ Cheap flights from Boston (BOS) to Shannon (SNN)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/24. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SNN
4월 14 — 4월 211
Round-trip
1 adult, Economy
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Find cheap flights from Boston to Shannon with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Boston Logan Intl to Shannon are usually found in January or February, booked 35 days in advance, depart on a Friday or Saturday and return on a Tuesday
Cheap flight deals from Boston to Shannon
Cheapest
Best
Last-minute
One-way
Cheapest flights from Boston to ShannonExplore the most affordable flight options available from Boston to Shannon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3월 15, 2026.
Explore the most affordable flight options available from Boston to Shannon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3월 15, 2026.
This Gotogate deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
목 4/236:30 pm
BOS
- SNN
Nonstop5h 55m
Aer Lingus
일 5/101:45 pm
SNN
- BOS
Nonstop6h 55m
Aer Lingus
Deal found 3/10![Aer Lingus logo]()
$443
This Booking.com deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
일 8/166:30 pm
BOS
- SNN
Nonstop5h 55m
Aer Lingus
월 8/241:45 pm
SNN
- BOS
Nonstop6h 55m
Aer Lingus
Deal found 3/12![Aer Lingus logo]()
$454
This Kiwi.com deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
화 8/186:30 pm
BOS
- SNN
Nonstop5h 55m
Aer Lingus
월 8/311:45 pm
SNN
- BOS
Nonstop6h 55m
Aer Lingus
Deal found 3/11![Aer Lingus logo]()
$458
This FlightHub deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
화 9/16:30 pm
BOS
- SNN
Nonstop5h 55m
Aer Lingus
화 9/151:45 pm
SNN
- BOS
Nonstop6h 55m
Aer Lingus
Deal found 3/11![Aer Lingus logo]()
$460
This Booking.com deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
일 8/166:30 pm
BOS
- SNN
Nonstop5h 55m
Aer Lingus
수 8/261:45 pm
SNN
- BOS
Nonstop6h 55m
Aer Lingus
Deal found 3/11![Aer Lingus logo]()
$470
This Booking.com deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
월 7/276:30 pm
BOS
- SNN
Nonstop5h 55m
Aer Lingus
수 8/51:45 pm
SNN
- BOS
Nonstop6h 55m
Aer Lingus
Deal found 3/10![Aer Lingus logo]()
$471
This Booking.com deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
목 8/276:30 pm
BOS
- SNN
Nonstop5h 55m
Aer Lingus
수 9/21:45 pm
SNN
- BOS
Nonstop6h 55m
Aer Lingus
Deal found 3/14![Aer Lingus logo]()
$474
This Gotogate deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
일 5/176:30 pm
BOS
- SNN
Nonstop5h 55m
Aer Lingus
토 5/231:45 pm
SNN
- BOS
Nonstop6h 55m
Aer Lingus
Deal found 3/13![Aer Lingus logo]()
$479
This Booking.com deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
토 9/196:30 pm
BOS
- SNN
Nonstop5h 55m
Aer Lingus
토 9/261:45 pm
SNN
- BOS
Nonstop6h 55m
Aer Lingus
Deal found 3/10![Aer Lingus logo]()
$480
This FlightHub deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
토 4/256:30 pm
BOS
- SNN
Nonstop5h 55m
Aer Lingus
일 5/31:45 pm
SNN
- BOS
Nonstop6h 55m
Aer Lingus
Deal found 3/11![Aer Lingus logo]()
$481
This Travelocity deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
월 7/276:30 pm
BOS
- SNN
Nonstop5h 55m
Aer Lingus
수 8/1211:00 am
SNN
- BOS
Nonstop7h 00m
Aer Lingus
Deal found 3/10![Aer Lingus logo]()
$482
This Mytrip deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
금 7/316:30 pm
BOS
- SNN
Nonstop5h 55m
Aer Lingus
금 8/1411:00 am
SNN
- BOS
Nonstop7h 00m
Aer Lingus
Deal found 3/10![Aer Lingus logo]()
$483
Best flights from Boston to ShannonDiscover carefully curated flight deals from Boston to Shannon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 3월 15, 2026.
Discover carefully curated flight deals from Boston to Shannon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 3월 15, 2026.
This United Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
일 4/268:15 pm
BOS
- SNN
1 stop9h 00m
United Airlines
목 4/3012:30 pm
SNN
- BOS
1 stop12h 24m
United Airlines
Deal found 3/12![United Airlines logo]()
$567
This Delta deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
목 5/285:05 pm
BOS
- SNN
1 stop13h 05m
Delta
토 6/61:05 pm
SNN
- BOS
1 stop14h 56m
Delta
Deal found 3/10![Delta logo]()
$579
This United Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
수 4/298:15 pm
BOS
- SNN
1 stop9h 00m
United Airlines
목 5/712:30 pm
SNN
- BOS
2 stops25h 55m
United Airlines
Deal found 3/12![United Airlines logo]()
$572
This Delta deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
토 5/301:29 pm
BOS
- SNN
1 stop16h 41m
Delta
토 6/61:05 pm
SNN
- BOS
1 stop14h 56m
Delta
Deal found 3/12![Delta logo]()
$579
This United Airlines deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
화 9/17:00 pm
BOS
- SNN
1 stop10h 15m
United Airlines
화 9/1512:30 pm
SNN
- BOS
2 stops15h 50m
United Airlines
Deal found 3/14![United Airlines logo]()
$580
This Delta deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
수 7/299:55 am
BOS
- SNN
1 stop20h 15m
Delta
수 8/51:05 pm
SNN
- BOS
1 stop14h 31m
Delta
Deal found 3/12![Delta logo]()
$607
This United Airlines deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
일 5/249:50 am
BOS
- SNN
1 stop16h 40m
United Airlines
금 6/512:30 pm
SNN
- BOS
2 stops17h 29m
United Airlines
Deal found 3/15![United Airlines logo]()
$583
This United Airlines deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
금 5/295:45 am
BOS
- SNN
2 stops23h 30m
United Airlines
일 6/712:30 pm
SNN
- BOS
1 stop10h 27m
United Airlines
Deal found 3/10![United Airlines logo]()
$584
This United Airlines deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
금 7/108:15 pm
BOS
- SNN
1 stop30h 15m
United Airlines
수 7/229:30 am
SNN
- BOS
1 stop11h 59m
United Airlines
Deal found 3/13![United Airlines logo]()
$585
This United Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
월 5/117:26 pm
BOS
- SNN
1 stop9h 49m
United Airlines
월 6/159:30 am
SNN
- BOS
1 stop20h 29m
United Airlines
Deal found 3/12![United Airlines logo]()
$603
Last-minute flights from Boston to ShannonDiscover last-minute flight deals from Boston to Shannon. Data last updated 3월 15, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Shannon. Data last updated 3월 15, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
월 3/306:30 pm
BOS
- SNN
Nonstop5h 55m
Aer Lingus
화 4/141:45 pm
SNN
- BOS
Nonstop6h 55m
Aer Lingus
Deal found 3/13![Aer Lingus logo]()
$540
This FlightHub deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
수 4/16:30 pm
BOS
- SNN
Nonstop5h 55m
Aer Lingus
목 4/91:45 pm
SNN
- BOS
Nonstop6h 55m
Aer Lingus
Deal found 3/11![Aer Lingus logo]()
$502
This Booking.com deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
수 4/16:30 pm
BOS
- SNN
Nonstop5h 55m
Aer Lingus
수 4/81:45 pm
SNN
- BOS
Nonstop6h 55m
Aer Lingus
Deal found 3/11![Aer Lingus logo]()
$516
This Gotogate deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
목 4/236:30 pm
BOS
- SNN
Nonstop5h 55m
Aer Lingus
일 5/101:45 pm
SNN
- BOS
Nonstop6h 55m
Aer Lingus
Deal found 3/10![Aer Lingus logo]()
$443
This FlightHub deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
토 4/256:30 pm
BOS
- SNN
Nonstop5h 55m
Aer Lingus
일 5/31:45 pm
SNN
- BOS
Nonstop6h 55m
Aer Lingus
Deal found 3/11![Aer Lingus logo]()
$481
This Booking.com deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
일 4/266:30 pm
BOS
- SNN
Nonstop5h 55m
Aer Lingus
일 5/31:45 pm
SNN
- BOS
Nonstop6h 55m
Aer Lingus
Deal found 3/12![Aer Lingus logo]()
$520
This FlightHub deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
화 4/286:30 pm
BOS
- SNN
Nonstop5h 55m
Aer Lingus
화 5/51:45 pm
SNN
- BOS
Nonstop6h 55m
Aer Lingus
Deal found 3/11![Aer Lingus logo]()
$506
This FlightHub deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
수 4/296:30 pm
BOS
- SNN
Nonstop5h 55m
Aer Lingus
목 5/71:45 pm
SNN
- BOS
Nonstop6h 55m
Aer Lingus
Deal found 3/15![Aer Lingus logo]()
$531
This FlightHub deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
수 4/296:30 pm
BOS
- SNN
Nonstop5h 55m
Aer Lingus
화 5/51:45 pm
SNN
- BOS
Nonstop6h 55m
Aer Lingus
Deal found 3/12![Aer Lingus logo]()
$544
One-way flights from Boston to ShannonSearch for one-way flight options from Boston to Shannon. Find affordable one-way fares based on user searches. Data last updated 3월 15, 2026.
Search for one-way flight options from Boston to Shannon. Find affordable one-way fares based on user searches. Data last updated 3월 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
화 3/248:50 pm
BOS
- SNN
3 stops31h 50m
Multiple Airlines
Deal found 3/11![Multiple Airlines logo]()
$259
This Kiwi.com deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
수 4/224:35 pm
BOS
- SNN
3 stops34h 30m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$277
This Kiwi.com deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
화 4/288:50 pm
BOS
- SNN
3 stops21h 45m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$291
This Kiwi.com deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
화 4/218:50 pm
BOS
- SNN
3 stops21h 45m
Multiple Airlines
Deal found 3/12![Multiple Airlines logo]()
$292
This Kiwi.com deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
일 5/1711:00 pm
BOS
- SNN
2 stops36h 40m
Multiple Airlines
Deal found 3/12![Multiple Airlines logo]()
$299
This Kiwi.com deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
목 5/711:00 pm
BOS
- SNN
2 stops16h 50m
Multiple Airlines
Deal found 3/11![Multiple Airlines logo]()
$310
This Kiwi.com deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
토 8/158:50 pm
BOS
- SNN
2 stops20h 35m
Multiple Airlines
Deal found 3/11![Multiple Airlines logo]()
$311
This Kiwi.com deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
목 4/2311:00 pm
BOS
- SNN
3 stops29h 30m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$313
This Kiwi.com deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
수 5/68:50 pm
BOS
- SNN
2 stops18h 30m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$314
This Kiwi.com deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
토 8/18:50 pm
BOS
- SNN
2 stops20h 35m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$315
Find flight deals from Boston to Shannon
Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Shannon (SNN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 3월 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $454 (Booking.com) |
One-way from | $259 (Kiwi.com) |
Popular in | December |
Cheapest in | January |
Average price | $507 |
Good round-trip deal | $493 or less |
Good one-way deal | $350 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Boston to Shannon that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated 3월 15, 2026.
Use the filters below to find and compare flights from Boston to Shannon that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
BostonShannon
BOS - SNN
BOSSNN
Boston Logan Intl
일 4/26
8:15 pm-10:15 am
1 stop9h 00m
Shannon
목 4/30
12:30 pm-7:54 pm
1 stop12h 24m
$567
BostonShannon
BOS - SNN
BOSSNN
Boston Logan Intl
수 4/29
8:15 pm-10:15 am
1 stop9h 00m
Shannon
목 5/7
12:30 pm-9:25 am
2 stops25h 55m
$572
BostonShannon
BOS - SNN
BOSSNN
Boston Logan Intl
목 5/28
5:05 pm-11:10 am
1 stop13h 05m
Shannon
토 6/6
1:05 pm-11:01 pm
1 stop14h 56m
$579
BostonShannon
BOS - SNN
BOSSNN
Boston Logan Intl
토 5/30
1:29 pm-11:10 am
1 stop16h 41m
Shannon
토 6/6
1:05 pm-11:01 pm
1 stop14h 56m
$579
BostonShannon
BOS - SNN
BOSSNN
Boston Logan Intl
화 9/1
7:00 pm-10:15 am
1 stop10h 15m
Shannon
화 9/15
12:30 pm-11:20 pm
2 stops15h 50m
$580
BostonShannon
BOS - SNN
BOSSNN
Boston Logan Intl
일 5/24
9:50 am-7:30 am
1 stop16h 40m
Shannon
금 6/5
12:30 pm-12:59 am
2 stops17h 29m
$583
BostonShannon
BOS - SNN
BOSSNN
Boston Logan Intl
금 5/29
5:45 am-10:15 am
2 stops23h 30m
Shannon
일 6/7
12:30 pm-5:57 pm
1 stop10h 27m
$584
BostonShannon
BOS - SNN
BOSSNN
Boston Logan Intl
금 7/10
8:15 pm-7:30 am
1 stop30h 15m
Shannon
수 7/22
9:30 am-4:29 pm
1 stop11h 59m
$585
BostonShannon
BOS - SNN
BOSSNN
Boston Logan Intl
월 5/11
7:26 pm-10:15 am
1 stop9h 49m
Shannon
월 6/15
9:30 am-12:59 am
1 stop20h 29m
$603
BostonShannon
BOS - SNN
BOSSNN
Boston Logan Intl
수 7/29
9:55 am-11:10 am
1 stop20h 15m
Shannon
수 8/5
1:05 pm-10:36 pm
1 stop14h 31m
$607
Showing 1-10 of 20 resultsSorted by cheapest first
Compare providers for flights from Boston to Shannon
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boston to Shannon in March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Boston-Shannon, Clare flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Shannon, Clare flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boston-Shannon, Clare flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Boston-Shannon, Clare flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boston-Shannon, Clare flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Boston to Shannon
Have a flexible travel schedule? Discover the best time to fly to Shannon from Boston with our price prediction graph.
BOS-SNN
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Boston to Shannon
Prices
Airlines
How far ahead should I book a flight from Boston to Shannon, Clare?
Use this chart to determine the optimal time to book a round-trip flight from Boston to Shannon. Price data was last updated on March 13, 2026.
Booking 35 days in advance of your planned departure date is, on average, the best time to get cheap flights from Boston to Shannon, Clare. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Boston to Shannon, Clare?
Currently, November is the cheapest month in which you can book a flight from Boston to Shannon, Clare (average of $338). Flying from Boston to Shannon, Clare in June is currently the most expensive (average of $452). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from BOS to SNN?
Find hourly flight availability from Boston to Shannon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 3월 15, 2026.
When flying from Boston to Shannon, Clare, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Reviews of airlines servicing Shannon
Get insights into the airlines that provide service to Shannon. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Shannon. Reviews last updated 3월 15, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andAer Lingus from Boston to Shannon. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Comfort
7.9
Food
7.2
Crew
8.5
Overall
7.9
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Comfort
7.9
Food
7.2
Crew
8.5
Overall
7.9
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Comfort
7.9
Food
7.2
Crew
8.5
Overall
7.9
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Comfort
7.9
Food
7.2
Crew
8.5
Overall
7.9
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Comfort
7.9
Food
7.2
Crew
8.5
Overall
7.9
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Comfort
7.9
Food
7.2
Crew
8.5
Overall
7.9
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Related info for your journey
Find useful and relevant information for your journey from Boston to Shannon. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Shannon?
Book flights to Shannon if you plan to visit one of these locationsEnnis
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Alternative routes for Boston to Shannon
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Complete your trip
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Search flights from Boston to Shannon by cabin class
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Boston and Shannon flights
Browse other Boston and Shannon flight options. Last updated on 3월 15, 2026.
Other flights from Boston
Browse through other flights departing from Boston. Flights are based on user searches made on Cheapflights and were last updated on 3월 15, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Shannon
Explore flights to Shannon departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 3월 15, 2026.
Top 7 airlines flying from Boston to Shannon
Discover the top 7 airlines that operate flights from Boston to Shannon. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated 3월 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$244 | Average$559 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$355 | Average$636 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$367 | Average$524 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$423 | Average$685 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$445 | Average$700 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$550 | Average$634 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$932 | Average$1,371 | FlexibilityNo cancel fee | On-time62% |