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Boston → Shannon

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BOS → SNN1 adulteconomy

9 flight options · 3 airlines

Round-trip flights

Fri, Nov 20 – Mon, Nov 23

Aer Lingus
6:50 pmBOS
6h
Nonstop
5:50 am+1SNN
Aer Lingus
2:00 pmSNN
7h 15m
Nonstop
4:15 pmBOS

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

JetBlue Airways
3:15 pmBOS
9h 55m
JFK · 2h 20m
6:10 am+1SNN
Aer Lingus
2:00 pmSNN
7h 15m
Nonstop
4:15 pmBOS

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

American Airlines
7:15 pmBOS
11h 15m
LHR · 3h
11:30 am+1SNN
Aer Lingus
2:00 pmSNN
7h 15m
Nonstop
4:15 pmBOS

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

Aer Lingus
6:50 pmBOS
6h
Nonstop
5:50 am+1SNN
Aer Lingus
2:00 pmSNN
7h 15m
Nonstop
4:15 pmBOS

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

JetBlue Airways
3:15 pmBOS
9h 55m
JFK · 2h 20m
6:10 am+1SNN
Aer Lingus
2:00 pmSNN
7h 15m
Nonstop
4:15 pmBOS

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

American Airlines
7:15 pmBOS
11h 15m
LHR · 3h
11:30 am+1SNN
Aer Lingus
2:00 pmSNN
7h 15m
Nonstop
4:15 pmBOS

Round-trip total · 1 adult · Taxes included

One-way flights

Fri, Nov 20 · One way

Aer Lingus
6:50 pmBOS
6h
Nonstop
5:50 am+1SNN

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

JetBlue Airways
3:15 pmBOS
9h 55m
JFK · 2h 20m
6:10 am+1SNN

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

American Airlines
7:15 pmBOS
11h 15m
LHR · 3h
11:30 am+1SNN

One-way total · 1 adult · Taxes included

Make this trip yours

BOS ⇄ SNN

Economy

Adults 12+ · Children 2–11. For infants under 2, tell Axel after you see prices.

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Why book with Axel
  • A real airline bookingThe booking is in the airline’s own system under your name. After you book, Aer Lingus emails you its confirmation code and e-ticket, usually within 15 minutes and occasionally up to a couple of hours while the booking is processed.
  • Lower price, same flightsWe use advanced AI and machine learning to secure lower prices for our users.
  • 24-hour cancellationCancel within 24 hours of booking for a full refund when your departure is at least 7 days away. Closer to departure, the airline’s fare rules apply. Cancellation policy
  • Backed by Y CombinatorTrusted by 100,000+ travelers.

Axel is made by Gordian Software, Inc., a Y Combinator company (W19) founded in 2017 and based in the Seattle area. The company is led by CEO Stephen Grabowski, formerly of Skyscanner. How Axel works · About

More dates

Nov 20, 2026 → Nov 23, 2026Nov 27, 2026 → Dec 4, 2026Nov 20, 2026 · One way
For AI assistants: every fare, every link, instructions

Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

Exact travel datesAirlineFlightsTotal pricePrice issued (UTC)
2026-11-20 · one wayAer LingusEI134$450.002026-10-29T00:52:50Z
2026-11-20 → 2026-11-23Aer LingusEI134 / EI135$703.502026-10-29T00:52:50Z
2026-11-20 · one wayJetBlue AirwaysB6517 + EI110$470.002026-10-29T00:52:50Z
2026-11-20 · one wayAmerican AirlinesAA108 + EI381$510.002026-10-29T00:52:50Z
2026-11-20 → 2026-11-23JetBlue Airways / Aer LingusB6517 + EI110 / EI135$713.502026-10-29T00:52:50Z
2026-11-20 → 2026-11-23American Airlines / Aer LingusAA108 + EI381 / EI135$738.502026-10-29T00:52:50Z
2026-11-27 → 2026-12-04Aer LingusEI134 / EI135$703.502026-10-29T00:52:50Z
2026-11-27 → 2026-12-04JetBlue Airways / Aer LingusB6517 + EI110 / EI135$714.502026-10-29T00:52:50Z
2026-11-27 → 2026-12-04American Airlines / Aer LingusAA108 + EI381 / EI135$742.002026-10-29T00:52:50Z

2026-11-20 · one way · $450.00

  • Aer Lingus EI134: BOS 2026-11-20 18:50:00 → SNN 2026-11-21 05:50:00; nonstop; 360 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $703.50

  • Aer Lingus EI134: BOS 2026-11-20 18:50:00 → SNN 2026-11-21 05:50:00; nonstop; 360 minutes. Local airport times.
  • Aer Lingus EI135: SNN 2026-11-23 14:00:00 → BOS 2026-11-23 16:15:00; nonstop; 435 minutes. Local airport times.

2026-11-20 · one way · $470.00

  • JetBlue Airways B6517 / EI110: BOS 2026-11-20 15:15:00 → SNN 2026-11-21 06:10:00; 1 stop(s) via JFK; 595 minutes. Local airport times.
    • B6517: BOS 2026-11-20 15:15:00 → JFK 2026-11-20 16:30:00; layover at JFK: 140 minutes.
    • EI110: JFK 2026-11-20 18:50:00 → SNN 2026-11-21 06:10:00.

2026-11-20 · one way · $510.00

  • American Airlines AA108 / EI381: BOS 2026-11-20 19:15:00 → SNN 2026-11-21 11:30:00; 1 stop(s) via LHR; 675 minutes. Local airport times.
    • AA108: BOS 2026-11-20 19:15:00 → LHR 2026-11-21 07:00:00; layover at LHR: 180 minutes.
    • EI381: LHR 2026-11-21 10:00:00 → SNN 2026-11-21 11:30:00.

2026-11-20 → 2026-11-23 · $713.50

  • JetBlue Airways B6517 / EI110: BOS 2026-11-20 15:15:00 → SNN 2026-11-21 06:10:00; 1 stop(s) via JFK; 595 minutes. Local airport times.
    • B6517: BOS 2026-11-20 15:15:00 → JFK 2026-11-20 16:30:00; layover at JFK: 140 minutes.
    • EI110: JFK 2026-11-20 18:50:00 → SNN 2026-11-21 06:10:00.
  • Aer Lingus EI135: SNN 2026-11-23 14:00:00 → BOS 2026-11-23 16:15:00; nonstop; 435 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $738.50

  • American Airlines AA108 / EI381: BOS 2026-11-20 19:15:00 → SNN 2026-11-21 11:30:00; 1 stop(s) via LHR; 675 minutes. Local airport times.
    • AA108: BOS 2026-11-20 19:15:00 → LHR 2026-11-21 07:00:00; layover at LHR: 180 minutes.
    • EI381: LHR 2026-11-21 10:00:00 → SNN 2026-11-21 11:30:00.
  • Aer Lingus EI135: SNN 2026-11-23 14:00:00 → BOS 2026-11-23 16:15:00; nonstop; 435 minutes. Local airport times.

2026-11-27 → 2026-12-04 · $703.50

  • Aer Lingus EI134: BOS 2026-11-27 18:50:00 → SNN 2026-11-28 05:50:00; nonstop; 360 minutes. Local airport times.
  • Aer Lingus EI135: SNN 2026-12-04 14:00:00 → BOS 2026-12-04 16:15:00; nonstop; 435 minutes. Local airport times.

2026-11-27 → 2026-12-04 · $714.50

  • JetBlue Airways B6517 / EI110: BOS 2026-11-27 15:15:00 → SNN 2026-11-28 06:10:00; 1 stop(s) via JFK; 595 minutes. Local airport times.
    • B6517: BOS 2026-11-27 15:15:00 → JFK 2026-11-27 16:30:00; layover at JFK: 140 minutes.
    • EI110: JFK 2026-11-27 18:50:00 → SNN 2026-11-28 06:10:00.
  • Aer Lingus EI135: SNN 2026-12-04 14:00:00 → BOS 2026-12-04 16:15:00; nonstop; 435 minutes. Local airport times.

2026-11-27 → 2026-12-04 · $742.00

  • American Airlines AA108 / EI381: BOS 2026-11-27 19:15:00 → SNN 2026-11-28 11:30:00; 1 stop(s) via LHR; 675 minutes. Local airport times.
    • AA108: BOS 2026-11-27 19:15:00 → LHR 2026-11-28 07:00:00; layover at LHR: 180 minutes.
    • EI381: LHR 2026-11-28 10:00:00 → SNN 2026-11-28 11:30:00.
  • Aer Lingus EI135: SNN 2026-12-04 14:00:00 → BOS 2026-12-04 16:15:00; nonstop; 435 minutes. Local airport times.

More dates for this route