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$121+ Cheap flights from Shannon (SNN) to Heathrow (LHR)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/26. Fares are subject to change and may not be available on all flights or dates of travel.
SNN — LHR
Nov 4 — Nov 111
Mon 11/4
Mon 11/11
1 adult, Economy
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The best prices from Shannon to London Heathrow are usually found in January or February, booked 20 days in advance, depart on a Saturday or Monday and return on a Sunday

Cheap flight deals from Shannon to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Shannon (SNN) to Heathrow (LHR). 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 October 30, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

July

Cheapest in

January

Average price

$172

Round-trip from

$121
(Aer Lingus)
Provider with most accurate pricing for Shannon-London Heathrow flight deals.
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Provider most trusted by Cheapflights users for Shannon-London Heathrow flights.
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High demand for flights, 12% potential price rise
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Best time to find cheap flights, 24% potential price drop
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Average for round-trip flights in October 2024
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From Shannon to London Heathrow
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Find flight deals from Shannon to Heathrow

Cheapest flights from Shannon to Heathrow
Explore the most affordable flight options available from Shannon to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2024.

This Expedia deal was found by Cheapflights users on 10/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/58:05 pmSNN - LHR
Nonstop1h 20mAer Lingus
Wed 11/610:00 amLHR - SNN
Nonstop1h 30mAer Lingus
Deal found 10/30$122
This British Airways deal was found by Cheapflights users on 10/30. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/165:25 pmSNN - LHR
Nonstop1h 25mBritish Airways
Sun 11/1710:00 amLHR - SNN
Nonstop1h 30mBritish Airways
Deal found 10/30$266
This Mytrip deal was found by Cheapflights users on 10/30. 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.
Tue 11/58:05 pmSNN - LHR
Nonstop1h 20mMultiple Airlines
Wed 11/66:00 amLHR - SNN
2 stops30h 35mMultiple Airlines
Deal found 10/30$618

Find flights from Shannon to Heathrow within your budget

Customize your flight search to find flights from Shannon to Heathrow 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 2,570,725 searches. Data last updated October 30, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$121 - $266

Route

Depart

Return

Price

ShannonLondon Heathrow

SNN - LHR

SNNLHR

Shannon

Tue 11/26

Nonstop1h 20m

London Heathrow

Tue 12/3

Nonstop1h 30m

$121

ShannonLondon Heathrow

SNN - LHR

SNNLHR

Shannon

Sat 12/7

1 stop13h 45m

London Heathrow

Fri 12/13

Nonstop1h 20m

$181

ShannonLondon Heathrow

SNN - LHR

SNNLHR

Shannon

Sat 11/16

Nonstop1h 25m

London Heathrow

Sun 11/17

Nonstop1h 30m

$266

Flights are sorted by cheapest first

Deals found on 10/29

Compare providers for flights from Shannon to Heathrow

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 Shannon to Heathrow in October.
ProviderPrice AccuracyTrust Score*Cancellation Policy
eDreamsPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy
FlightHubPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy
FlightnetworkPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Shannon-London Heathrow Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Shannon-London Heathrow Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Shannon-London Heathrow Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Shannon-London Heathrow Airport 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 Shannon-London Heathrow Airport 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 Shannon to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Shannon with our price prediction graph.
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.

Travel insights for flights from Shannon to Heathrow

Get recent, data-driven insights about flights from Shannon to Heathrow including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Shannon to London Heathrow Airport?

Use this chart to determine the optimal time to book a round-trip flight from Shannon to Heathrow. Price data was last updated on October 25, 2024.

To ensure you get the cheapest price possible for a flight from Shannon to London Heathrow Airport, you should look to book at least 20 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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What is the cheapest month to book a flight from Shannon to London Heathrow Airport?

Currently, November is the cheapest month in which you can book a flight from Shannon to London Heathrow Airport (average of $649). Flying from Shannon to London Heathrow Airport in June is currently the most expensive (average of $1,089). 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 SNN to LHR?

Find hourly flight availability from Shannon to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2024.

When flying from Shannon to London Heathrow Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 17% versus a flight at noon.

Weekly flight availability from Shannon to London Heathrow Airport

Explore weekly flight availability from Shannon to Heathrow. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated October 30, 2024.

The most flights from SNN to LHR are scheduled on a Monday (12 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Heathrow Airport when rainfall is around 1.6 in.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated October 30, 2024.
JetBlue
7.5
Good
3,520 reviews

Crew

8.2

Entertainment

7.4

Boarding

7.7

Overall

7.5

Comfort

7.8

Food

7.0

Reviews

1 / 10

Haven’t been on a JetBlue flight in years that was on time.

JetBlue
7.5
Good
3,520 reviews
JetBlue
7.5
Good
3,520 reviews

Crew

8.2

Entertainment

7.4

Boarding

7.7

Overall

7.5

Comfort

7.8

Food

7.0

Reviews

1 / 10

Haven’t been on a JetBlue flight in years that was on time.

Aer Lingus
7.1
Good
1,087 reviews
JetBlue
7.5
Good
3,520 reviews

Crew

8.2

Entertainment

7.4

Boarding

7.7

Overall

7.5

Comfort

7.8

Food

7.0

Reviews

1 / 10

Haven’t been on a JetBlue flight in years that was on time.

British Airways
6.7
Okay
6,843 reviews
JetBlue
7.5
Good
3,520 reviews

Crew

8.2

Entertainment

7.4

Boarding

7.7

Overall

7.5

Comfort

7.8

Food

7.0

Reviews

1 / 10

Haven’t been on a JetBlue flight in years that was on time.

Related info for your journey

Find useful and relevant information for your journey from Shannon to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Shannon to London Heathrow?

    Most people fly from Shannon (SNN) if they book a flight from Shannon to London Heathrow. On average, Shannon has 11 outbound flights to London Heathrow per day from 1 airline. Shannon is conveniently located just 2.1 mi from Shannon’s city center.

  • Can I find flights from Shannon to London Heathrow Airport for under $200 on Cheapflights?

    Yes, there are multiple flights from Shannon to London Heathrow Airport for under $200. The cheapest flight booked recently is on Aer Lingus for just $121, but on average you can expect to pay $189.

  • Are there nonstop flights from Shannon to London Heathrow Airport for under $200 on Cheapflights?

    Cheapflights has at least 2 direct flights from Shannon to London Heathrow Airport under $200. A good price for a nonstop flight from Shannon to London Heathrow Airport is less than $193.

  • Are there last-minute flights available from Shannon to London Heathrow Airport for under $200?

    There are currently 3+ open flights from Shannon to London Heathrow Airport within the next 7 days for less than $200.

  • What days are nonstop flights available from Shannon to London Heathrow Airport?

    Nonstop flights can be found on the following days: Sunday, Monday.

  • How many flights depart from Shannon to London Heathrow Airport on average per day?

    3 flight departures from Shannon to London Heathrow Airport per day on average.
    Afternoon (Noon - 6pm) - 100% of flight departures

  • How long is the flight from Shannon to London Heathrow Airport?

    Airlines like Aer Lingus and British Airways fly from Shannon to London Heathrow Airport in about 1h 20m. The time it takes to get you to your destination is usually consistent. Airlines will cover a distance of 371 mi. All flights are typically nonstop.

  • What are the cheapest airlines flying from Shannon to London Heathrow Airport round-trip?

    Aer Lingus, at $121, was found to be the cheapest airline from Shannon to London Heathrow Airport. An alternate airline flying to your destination would be British Airways. Users have found that Aer Lingus is 23% cheaper than the other options available to this destination.

  • What are the most reliable airlines from Shannon to London Heathrow Airport?

    Before booking your flight to London Heathrow Airport from Shannon, check out the most reliable airlines to get you to your destination on time: Aer Lingus (59%), British Airways (59%), American Airlines( 57%).

  • What are the cheapest flights from Shannon to London Heathrow Airport?

    Looking for the cheapest flight from Shannon to London Heathrow Airport? While on average our users pay $390, our data indicates the cheapest price to be $58. The most popular route (Shannon - London Heathrow), is priced around $238.

  • What does SNN to LHR mean?

    This is defined as Shannon Airport (SNN) and London Heathrow Airport (LHR). Codes like London Heathrow Airport are often used to just call airports uniquely.

  • Can I find deals for flights from Shannon to Heathrow that include extra baggage allowance?

    The amount of baggage you can bring on your Shannon to Heathrow flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Shannon to Heathrow with specific airlines?

    Yes, Cheapflights allows you to browse and filter Shannon to Heathrow flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Shannon to Heathrow that include hotel bookings?

    Yes. In addition to deals on Shannon to Heathrow flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Shannon to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Shannon to Heathrow.

  • Can I find deals for business class flights from Shannon to Heathrow?

    Yes. Cheapflights offers flight deals from Shannon to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Shannon to Heathrow that allow pets onboard?

    Many airlines flying from Shannon to Heathrow offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Shannon to Heathrow?

    Yes, you can often find last-minute deals on Shannon to Heathrow flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Shannon to London Heathrow Airport flight deals updated?

    The Shannon to London Heathrow Airport flight deals you see on this page were last updated on 10/30.

  • What is the cheapest month to book a flight from Shannon to London Heathrow Airport?

    Currently, November is the cheapest month in which you can book a flight from Shannon to London Heathrow Airport (average of $649). Flying from Shannon to London Heathrow Airport in June is currently the most expensive (average of $1,089). 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.

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Top airline flying from Shannon to Heathrow

Discover the top airline that operate flights from Shannon to Heathrow. 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 2,570,725 searches. Data last updated October 30, 2024.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest$123Average$157FlexibilityNo cancel feeOn-timeN/A
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