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Cheap flights from Plymouth to London Heathrow Airport from £124

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 28/11. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — LHR
30 נוב' — 7 דצמ'1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Plymouth to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Plymouth to Heathrow
Explore the most affordable flight options available from Plymouth to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 אוקטובר 2025.

ש' 29/1117:20EXT - LHR
1 stop14h 20mKLM
ש' 6/1211:15LHR - EXT
1 stop5h 35mKLM
Deal found 30/10£257
ד' 26/1117:20EXT - LHR
1 stop14h 20mKLM
ד' 3/1206:30LHR - EXT
1 stop10h 20mKLM
Deal found 29/10£259
ו' 14/1117:20EXT - LHR
1 stop14h 20mKLM
ד' 3/1210:00LHR - EXT
1 stop6h 50mKLM
Deal found 29/10£263
ה' 27/1112:50EXT - LHR
1 stop8h 15mAer Lingus
ה' 4/1207:50LHR - EXT
1 stop4h 30mAer Lingus
Deal found 30/10£267
א' 14/1211:35EXT - LHR
1 stop4h 25mBritish Airways
א' 21/1206:50LHR - EXT
1 stop4h 15mBritish Airways
Deal found 30/10£276
ו' 14/1117:20EXT - LHR
1 stop14h 20mKLM
ג' 18/1110:00LHR - EXT
1 stop6h 50mKLM
Deal found 30/10£288
ה' 11/1216:45EXT - LHR
1 stop16h 20mMultiple Airlines
ש' 13/1219:00LHR - EXT
1 stop16h 05mMultiple Airlines
Deal found 30/10£290
ד' 12/1117:20EXT - LHR
1 stop14h 20mKLM
ש' 15/1106:30LHR - EXT
1 stop10h 20mKLM
Deal found 30/10£304
ו' 28/1110:00EXT - LHR
1 stop6h 15mBritish Airways
א' 30/1106:50LHR - EXT
1 stop4h 25mBritish Airways
Deal found 30/10£306
ה' 20/1117:20EXT - LHR
1 stop14h 20mKLM
ג' 25/1111:45LHR - EXT
1 stop5h 05mKLM
Deal found 29/10£331

Cheap flight deals from Plymouth to Heathrow

Keep the following information in mind while searching for Plymouth to Heathrow flight deals. Data was last updated 31 אוקטובר 2025.

Round-trip from

£245

One-way from

£124

Popular in

March

Cheapest in

September

Average price

£286
KLM
  • KLM
  • 25/11-2/12
  • 2 total stops
  • 22h 30m total
  • Plymouth to London
Search Deals
28/11
  • 28/11
  • 2 total stops
  • 12h 55m total
  • Plymouth to London
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£30 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Plymouth 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 858,174 searches. Data last updated 31 אוקטובר 2025.
Use the filters below to find and compare flights from Plymouth to London Heathrow Airport that are best for you.

Fly from

Plymouth

Fly to

Heathrow

Route

Depart

Return

Price

ExeterLondon

EXT - LHR

EXTLHR

Exeter

ש' 29/11

17:20-07:40

1 stop14h 20m

London Heathrow

ש' 6/12

11:15-16:50

1 stop5h 35m

£257

ExeterLondon

EXT - LHR

EXTLHR

Exeter

ד' 26/11

17:20-07:40

1 stop14h 20m

London Heathrow

ד' 3/12

06:30-16:50

1 stop10h 20m

£259

ExeterLondon

EXT - LHR

EXTLHR

Exeter

ו' 14/11

17:20-07:40

1 stop14h 20m

London Heathrow

ד' 3/12

10:00-16:50

1 stop6h 50m

£263

ExeterLondon

EXT - LHR

EXTLHR

Exeter

ה' 27/11

12:50-21:05

1 stop8h 15m

London Heathrow

ה' 4/12

07:50-12:20

1 stop4h 30m

£267

ExeterLondon

EXT - LHR

EXTLHR

Exeter

א' 30/11

11:45-18:25

1 stop6h 40m

London Heathrow

א' 7/12

06:50-11:05

1 stop4h 15m

£273

ExeterLondon

EXT - LHR

EXTLHR

Exeter

ג' 3/3

15:05-07:25

1 stop16h 20m

London Heathrow

ו' 6/3

08:05-14:30

1 stop6h 25m

£275

ExeterLondon

EXT - LHR

EXTLHR

Exeter

א' 14/12

11:35-16:00

1 stop4h 25m

London Heathrow

א' 21/12

06:50-11:05

1 stop4h 15m

£276

ExeterLondon

EXT - LHR

EXTLHR

Exeter

ו' 14/11

17:20-07:40

1 stop14h 20m

London Heathrow

ג' 18/11

10:00-16:50

1 stop6h 50m

£288

ExeterLondon

EXT - LHR

EXTLHR

Exeter

ה' 11/12

16:45-09:05

1 stop16h 20m

London Heathrow

ש' 13/12

19:00-11:05

1 stop16h 05m

£290

ExeterLondon

EXT - LHR

EXTLHR

Exeter

ו' 28/11

08:10-21:05

2 stops12h 55m

£124

Flights are sorted by cheapest return flights first.

Deals found on 29/10

Showing 1-10 of 17 results
1
2

Best time to book a flight from Plymouth to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Plymouth with our price prediction graph.
Estimated return 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 Plymouth to London Heathrow Airport

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

Currently, September is the cheapest month in which you can book a flight from Plymouth to London Heathrow Airport (average of £215). Flying from Plymouth to London Heathrow Airport in August is currently the most expensive (average of £370). 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 P1Y to LHR?

Find hourly flight availability from Plymouth 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 31 אוקטובר 2025.

It’s typically best to fly out from Plymouth to London Heathrow Airport in the morning. Doing so could potentially save you 17% on the flight price compared to flying in the evening, which is usually more expensive.

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

Use this chart to determine the cheapest time to fly return from Plymouth to Heathrow. Price data was last updated on 26 October 2025.

Travellers seeking maximum savings on their Plymouth to London Heathrow Airport flight should consider departing on Sunday afternoons when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 31 אוקטובר 2025.
See what other customers who have flown with KLM and British Airways from Plymouth to London Heathrow Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,406 reviews
Check prices

Food

7.3

Crew

8.4

Comfort

7.7

Overall

7.7

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,406 reviews
KLM
7.7
Good
1,406 reviews
Check prices

Food

7.3

Crew

8.4

Comfort

7.7

Overall

7.7

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
British Airways
6.7
Okay
7,488 reviews
KLM
7.7
Good
1,406 reviews
Check prices

Food

7.3

Crew

8.4

Comfort

7.7

Overall

7.7

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Related info for your journey

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

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

    KLM, Aer Lingus, and British Airways can get you from Plymouth to London Heathrow Airport in just under 6h 40m. Your travel time can differ by up to 7h 40m. The distance from Plymouth to London Heathrow Airport is about 138 mi. Both multi-stop and direct flights can be found to your destination and back.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Plymouth 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.

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

    Currently, September is the cheapest month in which you can book a flight from Plymouth to London Heathrow Airport (average of £215). Flying from Plymouth to London Heathrow Airport in August is currently the most expensive (average of £370). 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

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Slough
Gatwick
Hounslow
Northampton
Luton
Ilford
Wembley
Deal
Hayes
Colchester
Watford
Winchester
Chichester
Swindon
Crawley
Romford
Brentford
Ipswich

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Top 2 airlines flying from Plymouth to Heathrow

Discover the top 2 airlines that operate flights from Plymouth 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 858,174 searches. Data last updated 31 אוקטובר 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£219Average£295FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapest£273Average£406FlexibilityNo cancel feeOn-time70%
Search British Airways flights

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Why should you use Cheapflights to find cheap flight tickets from Plymouth to Heathrow?

Millions of users choose and trust Cheapflights to book the best flight deals from Plymouth to Heathrow for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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