Cheap flights from London to Shannon

London
LON
Shannon
SNN

Flight deals from London to Shannon

Below you can see the best deals on flights London — Shannon for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 28 September, from $66.

Top 10 cheap flights from London to Shannon

EI
$ 66

London — Shannon

19:10—20:35
29 Sep 2026
1 h 25 m
Direct flight
EI
$ 66

London — Shannon

14:40—16:10
29 Sep 2026
1 h 30 m
Direct flight
EI
$ 66

London — Shannon

09:50—11:20
29 Sep 2026
1 h 30 m
Direct flight
EI
$ 66

London — Shannon

19:10—20:35
28 Sep 2026
1 h 25 m
Direct flight
EI
$ 66

London — Shannon

14:40—16:10
28 Sep 2026
1 h 30 m
Direct flight
EI
$ 66

London — Shannon

19:10—20:35
30 Sep 2026
1 h 25 m
Direct flight
EI
$ 66

London — Shannon

09:50—11:20
30 Sep 2026
1 h 30 m
Direct flight
EI
$ 66

London — Shannon

14:40—16:10
30 Sep 2026
1 h 30 m
Direct flight
EI
$ 74

London — Shannon

09:50—11:20
20 Sep 2026
1 h 30 m
Direct flight
EI
$ 74

London — Shannon

14:40—16:10
17 Sep 2026
1 h 30 m
Direct flight

Prices were found in the last 72 hours and may change — check the exact price when you continue.

About the London — Shannon flight

Looking for cheap flights from London to Shannon? Compare fares from different airlines, check the flight schedule and travel time — and book your London — Shannon ticket online at the best price.

The route has direct flights — around 54 flights per week, flights are operated by Aer Lingus, FR, Air Canada, British Airways and 2 more airlines, a nonstop flight takes about 1 h 16 min, the distance between the cities is around 614 km.

Planning your trip? You may find our Shannon travel guide, how to get from the airport into town and Shannon weather forecast useful. To catch a low fare, use the low-price calendar and the monthly price chart on this page.

Facts about this route

from $66Min. price
SeptemberCheapest
MayPeak season
YesDirect flights
614 kmDistance
1 h 16 minTravel time
6Airlines
54 / wkFlights

Flight schedule from London to Shannon

The table shows direct flights from London to Shannon on the selected date. The flight takes approximately 1 h 16 min. Regular flights are operated by Aer Lingus, FR, Air Canada and British Airways. Departures from Heathrow Airport, London Gatwick Airport and Stansted Airport airports, arrivals at Shannon Airport.

For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.

Today
Any time
Last update: 01 Sep 2026

Flight ticket prices by day: London — Shannon

Below is a calendar of the lowest flight ticket prices for London — Shannon by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $66 in September, and the most expensive are around $125 in May. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

 
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Prices by month

Average one-way fares from London to Shannon by month. Tickets are usually cheapest in February (around $36) and priciest in July (about $58) — use the table and chart below to pick the best time to fly.

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
Jan$38lowMay$49mediumSep$50medium
Feb$36lowJun$55highOct$39low
Mar$41mediumJul$58highNov$37low
Apr$44mediumAug$57highDec$48medium

Some values are estimated based on seasonality.

When to fly

Weather in Shannon: it is warmest in July (up to 19 °C on average) and coolest in January (around 8 °C). The driest month is May.

Tickets are usually cheapest in September and most expensive in May. Compare prices and weather by month in the charts below to pick the best time to fly.

Temperature · Shannon

Dry and wet days · Shannon

Wind speed and direction · Shannon

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How to get the best deal on a London — Shannon ticket

  • Book ahead: fares for London — Shannon are usually lower 3–8 weeks before departure than at the last minute.
  • Play with your dates — Tuesday, Wednesday and Saturday departures are often cheaper than Friday and Sunday.
  • London is served by more than one airport — compare fares and travel time to each before you book.
  • The cheapest month to fly to Shannon is usually September — plan your trip around it if your dates are flexible.
  • Compare direct and connecting flights: nonstop is faster, while a connection is sometimes noticeably cheaper.
  • Watch the low-price calendar and the monthly price trend on this page — they make it easier to catch a good date.
  • Travelling light? Pick a cabin-baggage-only fare — tickets without checked luggage are noticeably cheaper.
  • Get to the airport in good time — about 2–3 hours before an international departure and roughly an hour before a domestic one.

Airlines

Flights on the London — Shannon route are operated by 6 airlines; Aer Lingus runs the most flights (around 74% of all flights). Compare carriers, flight shares and schedules below.

  • Aer LingusEI
    13x/week
    WebsiteFleet: 5710.7M pax/year
    • Direct flight LHR → SNN13x/week
      Duration
      1h 30m
      Days
      MTWTFSS
    74.1%Open →
  • FRFR
    2x/week
    • Direct flight STN → SNN1x/week
      Duration
      1h 30m
      Days
      MTWTFSS
    • Direct flight LGW → SNN1x/week
      Duration
      1h 35m
      Days
      MTWTFSS
    11.1%
  • Air CanadaAC
    1x/week
    WebsiteFleet: 20346M pax/year
    • Direct flight LHR → SNN1x/week
    3.7%Open →
  • British AirwaysBA
    1x/week
    WebsiteFleet: 29243M pax/year
    • Direct flight LHR → SNN1x/week
    3.7%Open →
  • American AirlinesAA
    1x/week
    WebsiteFleet: 965211M pax/year
    • Direct flight LHR → SNN1x/week
    3.7%Open →
  • Qatar AirwaysQR
    1x/week
    WebsiteFleet: 26640M pax/year
    • Direct flight LHR → SNN1x/week
    3.7%Open →

Cities and airports on the London — Shannon route

Flights London — Shannon depart from Heathrow Airport, London Gatwick Airport, Stansted Airport and London Luton Airport and arrive at Shannon Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

London

LON
United Kingdom
About the cityHow to get thereWeatherAll about the country United Kingdom
Arrival

Shannon

SNN
Ireland
About the cityHow to get thereWeatherAll about the country Ireland
Departure airports
Arrival airports

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Frequently asked questions about the London — Shannon flight

How long is the flight from London to Shannon?

A nonstop London — Shannon flight takes about 1 h 16 min — the distance between the cities is around 614 km.

How far is it from London to Shannon?

The distance from London to Shannon is about 614 km, which a nonstop flight covers in around 1 h 16 min.

Are there direct flights from London to Shannon?

Yes, there are nonstop flights London — Shannon — around 54 flights per week.

Which airlines fly from London to Shannon?

Airlines operating London — Shannon include Aer Lingus, FR, Air Canada, British Airways, American Airlines. See the full list with schedules in the "Airlines" section on this page.

Which airports do London — Shannon flights use?

Flights from London depart from Heathrow Airport, London Gatwick Airport, Stansted Airport, and arrive at Shannon Airport. If a city has more than one airport, check which one your ticket uses before you travel.

How much is a ticket from London to Shannon?

The price of a London — Shannon ticket depends on your travel date, season and demand: it is usually cheapest to fly in September, and most expensive in May. Tickets typically cost between $66 and $125. Check the current lowest fare and low-price calendar on this page.

When is the best time to book flights London — Shannon?

Flights London — Shannon are usually cheaper when booked in advance — a few weeks before departure and away from peak dates; the most budget-friendly month to fly is September. Compare prices by month in the price trend chart on this page.

How can I find the cheapest flights from London to Shannon?

To catch a low fare London — Shannon, book a few weeks in advance, keep your dates flexible, and compare airlines and connecting options. The low-price calendar and monthly price chart on this page show the cheapest days and months at a glance: the most budget-friendly month to fly is usually September.

How early should I arrive at the airport?

For international flights, plan to be at the airport about 2–3 hours before departure, and around an hour before a domestic flight. Allow extra time during busy travel seasons and at large hubs, where check-in and security lines can be longer.

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