Cheap flights from Shannon (SNN) to Heathrow (LHR) from $110

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 9/11. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SNN — LHR
Jun 25 — Jul 21

The best prices from Shannon to London Heathrow are usually found in January or February, booked 5 days in advance, depart on a Saturday or Monday and return on a Wednesday

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 June 20, 2024.

Popular in

July

Cheapest in

January

Round-trip from

$643

One-way from

$122
High demand for flights, 15% potential price rise
Best time to find cheap flights, 25% potential price drop
From Shannon to London Heathrow
One-way flight from Shannon to London Heathrow

What is the cheapest day to fly round-trip from Shannon to London Heathrow Airport?

Leaving on a Saturday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 82% on the overall cost on flights from Shannon to London Heathrow Airport.

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

Users have found that booking a flight from Shannon to London Heathrow Airport at least 27 days early can save you up to 29% on average compared to booking a flight this week. If booking 27 days before your flight isn’t an option for you, users have found flights from Shannon to London Heathrow Airport for as little as $48 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $117 for flights departing within the next 3 days.

What is the cheapest month to fly from Shannon to London Heathrow Airport?

Due to multiple factors, expect to potentially pay more when booking in May. For low rates, September can be a great choice for travel to London Heathrow Airport. Flights to London Heathrow Airport from Shannon in September are about $111 on average during September, but can be found for as low as $30.

What is the cheapest time of day to fly from SNN to LHR?

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 15% versus a flight in the morning.

Cheap Shannon to Heathrow flights in June & July 2024

Find cheap flight options from Shannon to Heathrow specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,256,981 searches. Prices were last updated on June 20, 2024.
Listed are some of the best fares we've found on flights departing from Shannon to London in 2024. For more flight deals, be sure to check back very soon.
Wed 6/269:25 pmSNN - LHR
Nonstop1h 15mMultiple Airlines
Wed 7/310:30 amLHR - SNN
3 stops25h 20mMultiple Airlines
Deal found 6/18$627
Thu 6/207:10 amSNN - LHR
2 stops28h 05mMultiple Airlines
Fri 6/287:10 pmLHR - SNN
Nonstop1h 25mMultiple Airlines
Deal found 6/19$644
Thu 6/207:10 amSNN - LHR
1 stop7h 15mMultiple Airlines
Fri 6/287:10 pmLHR - SNN
Nonstop1h 25mMultiple Airlines
Deal found 6/19$705
Thu 7/184:55 pmSNN - LHR
Nonstop1h 25mBritish Airways
Mon 7/222:45 pmLHR - SNN
Nonstop1h 25mBritish Airways
Deal found 6/19$918
Sun 7/212:50 pmSNN - LHR
1 stop28h 55mAer Lingus
Sun 7/287:10 pmLHR - SNN
Nonstop1h 25mAer Lingus
Deal found 6/19$1,091
Fri 6/289:25 pmSNN - LHR
Nonstop1h 15mBritish Airways
Mon 7/19:35 amLHR - SNN
1 stop20h 00mBritish Airways
Deal found 6/19$1,194
Thu 7/184:55 pmSNN - LHR
Nonstop1h 25mBritish Airways
Mon 7/229:35 amLHR - SNN
1 stop20h 00mBritish Airways
Deal found 6/20$1,195
Wed 6/262:50 pmSNN - LHR
1 stop16h 40mBritish Airways
Thu 6/279:50 amLHR - SNN
Nonstop1h 30mBritish Airways
Deal found 6/19$1,233
Sat 7/62:50 pmSNN - LHR
1 stop20h 25mBritish Airways
Mon 7/89:50 amLHR - SNN
Nonstop1h 30mBritish Airways
Deal found 6/20$1,234

Shannon to Heathrow 2024 flight deals

Discover exclusive flight deals for travel between Shannon and Heathrow in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,256,981 searches. Data last updated June 20, 2024.
Listed are some of the best fares we've found on flights departing from Shannon to London in 2024. For more flight deals, be sure to check back very soon.
Fri 10/49:25 pmSNN - LHR
Nonstop1h 15mAer Lingus
Tue 10/89:10 pmLHR - SNN
2 stops38h 40mAer Lingus
Deal found 6/19$443
Wed 6/269:25 pmSNN - LHR
Nonstop1h 15mMultiple Airlines
Wed 7/310:30 amLHR - SNN
3 stops25h 20mMultiple Airlines
Deal found 6/18$627
Thu 6/207:10 amSNN - LHR
2 stops28h 05mMultiple Airlines
Fri 6/287:10 pmLHR - SNN
Nonstop1h 25mMultiple Airlines
Deal found 6/19$644
Thu 6/207:10 amSNN - LHR
1 stop7h 15mMultiple Airlines
Fri 6/287:10 pmLHR - SNN
Nonstop1h 25mMultiple Airlines
Deal found 6/19$705
Thu 7/189:25 pmSNN - LHR
Nonstop1h 15mBritish Airways
Sun 7/219:50 amLHR - SNN
Nonstop1h 30mBritish Airways
Deal found 6/20$918
Mon 8/51:45 pmSNN - LHR
1 stop17h 55mBritish Airways
Tue 8/67:10 pmLHR - SNN
Nonstop1h 25mBritish Airways
Deal found 6/19$1,072
Sun 7/212:50 pmSNN - LHR
1 stop28h 55mAer Lingus
Sun 7/287:10 pmLHR - SNN
Nonstop1h 25mAer Lingus
Deal found 6/19$1,091
Thu 8/11:45 pmSNN - LHR
1 stop17h 10mBritish Airways
Sun 8/49:50 amLHR - SNN
Nonstop1h 30mBritish Airways
Deal found 6/19$1,132
Fri 8/21:45 pmSNN - LHR
1 stop17h 05mBritish Airways
Tue 8/69:50 amLHR - SNN
Nonstop1h 30mBritish Airways
Deal found 6/20$1,133

Shannon to Heathrow flights leaving soon

Find last-minute flight options from Shannon to Heathrow for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,256,981 searches. Data last updated June 20, 2024.
Check out these flights departing soon from Shannon to London. To prevent any unwanted surprises, users should verify their flight info before booking.
Wed 6/269:25 pmSNN - LHR
Nonstop1h 15mMultiple Airlines
Wed 7/310:30 amLHR - SNN
3 stops25h 20mMultiple Airlines
Deal found 6/18$627
Wed 6/264:55 pmSNN - LHR
Nonstop1h 25mBritish Airways
Thu 6/279:50 amLHR - SNN
Nonstop1h 30mBritish Airways
Deal found 6/19$918
Fri 6/289:25 pmSNN - LHR
Nonstop1h 15mBritish Airways
Mon 7/19:35 amLHR - SNN
1 stop20h 00mBritish Airways
Deal found 6/19$1,194
Wed 6/262:50 pmSNN - LHR
1 stop16h 40mBritish Airways
Thu 6/279:50 amLHR - SNN
Nonstop1h 30mBritish Airways
Deal found 6/19$1,233
Thu 6/279:25 pmSNN - LHR
Nonstop1h 15mBritish Airways
Wed 7/39:35 amLHR - SNN
1 stop20h 00mBritish Airways
Deal found 6/19$1,237
Wed 6/262:50 pmSNN - LHR
1 stop16h 40mBritish Airways
Sun 6/307:10 pmLHR - SNN
Nonstop1h 25mBritish Airways
Deal found 6/19$1,293
Thu 6/279:25 pmSNN - LHR
Nonstop1h 15mBritish Airways
Sun 6/309:55 amLHR - SNN
1 stop20h 10mBritish Airways
Deal found 6/19$1,317
Wed 6/262:50 pmSNN - LHR
1 stop16h 55mBritish Airways
Thu 6/272:45 pmLHR - SNN
Nonstop1h 25mBritish Airways
Deal found 6/20$1,342
Wed 6/262:50 pmSNN - LHR
3 stops26h 30mMultiple Airlines
Wed 7/38:30 pmLHR - SNN
2 stops15h 20mMultiple Airlines
Deal found 6/18$1,696

One-way flights to Heathrow from Shannon

Search for one-way flight options from Shannon to Heathrow. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,256,981 searches. Data last updated June 20, 2024.
Users in need of a one-way flight from Shannon to London can choose from these deals. For those needing a return trip from Shannon, there is a search form available above.
Wed 9/118:20 amSNN - LHR
1 stop12h 05mMultiple Airlines
Deal found 6/19$110
Mon 10/282:00 pmSNN - LHR
1 stop7h 05mMultiple Airlines
Deal found 6/20$116
Wed 6/269:25 pmSNN - LHR
Nonstop1h 15mBritish Airways
Deal found 6/18$119
Sun 7/219:25 pmSNN - LHR
Nonstop1h 15mBritish Airways
Deal found 6/19$120
Wed 9/184:55 pmSNN - LHR
Nonstop1h 25mBritish Airways
Deal found 6/19$121
Thu 8/19:25 pmSNN - LHR
Nonstop1h 15mBritish Airways
Deal found 6/20$122
Wed 8/148:20 amSNN - LHR
1 stop12h 05mMultiple Airlines
Deal found 6/19$125
Fri 6/2810:40 pmSNN - LHR
1 stop21h 05mMultiple Airlines
Deal found 6/20$136
Sun 7/217:10 amSNN - LHR
1 stop6h 10mMultiple Airlines
Deal found 6/19$140

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 3,256,981 searches. Data last updated June 20, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$627 - $1,696

Route

Depart

Return

Price

ShannonLondon Heathrow

SNN - LHR

SNNLHR

Shannon

Wed 6/26

Nonstop1h 15m

London Heathrow

Wed 7/3

3 stops25h 20m

$627

ShannonLondon Heathrow

SNN - LHR

SNNLHR

Shannon

Thu 7/18

Nonstop1h 25m

London Heathrow

Mon 7/22

Nonstop1h 30m

$918

ShannonLondon Heathrow

SNN - LHR

SNNLHR

Shannon

Mon 8/5

1 stop17h 55m

London Heathrow

Tue 8/6

Nonstop1h 25m

$1,072

ShannonLondon Heathrow

SNN - LHR

SNNLHR

Shannon

Sun 7/21

1 stop28h 55m

London Heathrow

Sun 7/28

Nonstop1h 25m

$1,091

ShannonLondon Heathrow

SNN - LHR

SNNLHR

Shannon

Thu 8/1

1 stop17h 10m

London Heathrow

Sun 8/4

Nonstop1h 30m

$1,132

ShannonLondon Heathrow

SNN - LHR

SNNLHR

Shannon

Fri 8/2

1 stop17h 05m

London Heathrow

Tue 8/6

Nonstop1h 30m

$1,133

ShannonLondon Heathrow

SNN - LHR

SNNLHR

Shannon

Fri 6/28

Nonstop1h 15m

London Heathrow

Mon 7/1

1 stop20h 00m

$1,194

ShannonLondon Heathrow

SNN - LHR

SNNLHR

Shannon

Thu 7/18

Nonstop1h 25m

London Heathrow

Mon 7/22

1 stop20h 00m

$1,195

ShannonLondon Heathrow

SNN - LHR

SNNLHR

Shannon

Wed 6/26

3 stops26h 30m

London Heathrow

Wed 7/3

2 stops15h 20m

$1,696

Flights are sorted by cheapest first

Deals found on 6/18

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 June 14, 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 5 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.
Search Deals

What is the cheapest day to fly from Shannon to London Heathrow Airport?

Use this chart to determine the cheapest time to fly round-trip from Shannon to Heathrow. Price data was last updated on June 16, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Shannon to London Heathrow Airport flight should consider departing on Tuesday mornings when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

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.

Temperature and rainfall in Heathrow by month

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

LON

Temperature

39.2 - 62.6 °F

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 June 20, 2024.
Get a feel of what it's like to fly with United Airlines, British Airways and Lufthansa from Shannon to London by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
7.4
Good
10,000 reviews

Comfort

7.2

Boarding

7.7

Crew

8.1

Food

6.7

Entertainment

7.1

Overall

7.4

Reviews

1 / 10

Flight from shv was great. My connecting flight was canceled though. Had to stay overnight in airport

7.4
Good
10,000 reviews
7.4
Good
10,000 reviews

Comfort

7.2

Boarding

7.7

Crew

8.1

Food

6.7

Entertainment

7.1

Overall

7.4

Reviews

1 / 10

Flight from shv was great. My connecting flight was canceled though. Had to stay overnight in airport

7.3
Good
10,000 reviews
7.4
Good
10,000 reviews

Comfort

7.2

Boarding

7.7

Crew

8.1

Food

6.7

Entertainment

7.1

Overall

7.4

Reviews

1 / 10

Flight from shv was great. My connecting flight was canceled though. Had to stay overnight in airport

7.2
Good
1,253 reviews
7.4
Good
10,000 reviews

Comfort

7.2

Boarding

7.7

Crew

8.1

Food

6.7

Entertainment

7.1

Overall

7.4

Reviews

1 / 10

Flight from shv was great. My connecting flight was canceled though. Had to stay overnight in airport

6.9
Okay
7,436 reviews
7.4
Good
10,000 reviews

Comfort

7.2

Boarding

7.7

Crew

8.1

Food

6.7

Entertainment

7.1

Overall

7.4

Reviews

1 / 10

Flight from shv was great. My connecting flight was canceled though. Had to stay overnight in airport

6.8
Okay
6,719 reviews
7.4
Good
10,000 reviews

Comfort

7.2

Boarding

7.7

Crew

8.1

Food

6.7

Entertainment

7.1

Overall

7.4

Reviews

1 / 10

Flight from shv was great. My connecting flight was canceled though. Had to stay overnight in airport

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 9 outbound flights to London Heathrow per day from 2 airlines. 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 $700 on Cheapflights?

    Yes, there are multiple flights from Shannon to London Heathrow Airport for under $700. The cheapest flight booked recently is on Multiple Airlines for just $627, but on average you can expect to pay $1,188.

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

    Cheapflights has at least 7 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 $334.

  • Are there last-minute flights available from Shannon to London Heathrow Airport for under $700?

    There are currently 12+ open flights from Shannon to London Heathrow Airport within the next 7 days for less than $700.

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

    British Airways, at $918, was found to be the cheapest airline from Shannon to London Heathrow Airport.Alternate airlines to your destination round-trip include Aer Lingus and United Airlines.

  • 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 (65%), British Airways (65%), American Airlines( 59%).

  • 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 $424, our data indicates the cheapest price to be $80. The most popular route (Shannon - London Heathrow), is priced around $138.

  • 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 6/20.

  • 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 $652). Flying from Shannon to London Heathrow Airport in June is currently the most expensive (average of $1,096). 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.

See more FAQs

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Alternative routes for Shannon to Heathrow
See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Shannon to Heathrow

Discover the top 2 airlines 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 3,256,981 searches. Data last updated June 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest$117Average$158FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$187Average$224FlexibilityNo cancel feeOn-time70%

Search flights from Shannon to Heathrow by cabin class

Find flights from Shannon to Heathrow, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Hourly flight availability from Shannon to Heathrow

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 June 20, 2024.
1%of flight departuresEarly morningMidnight to 6 am
36%of flight departuresMorning6 am to noon
33%of flight departuresAfternoonNoon to 6 pm
30%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Shannon to Heathrow

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 June 20, 2024.
Sunday11daily flights
Monday9daily flights
Tuesday11daily flights
Wednesday8daily flights
Thursday11daily flights
Friday11daily flights
Saturday8daily flights
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