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Cheap flights from London Heathrow Airport to Plymouth from £113

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 15/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — CWL
1 Jan — 8 Jan1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Heathrow to Plymouth

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Plymouth
Explore the most affordable flight options available from Heathrow to Plymouth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 December 2025.

Wed 31/1206:30LHR - EXT
1 stop10h 20mKLM
Wed 7/117:20EXT - LHR
1 stop14h 20mKLM
Deal found 1/12£231
Thu 11/1219:45LHR - EXT
1 stop16h 45mBritish Airways
Thu 18/1216:45EXT - LHR
1 stop23h 30mBritish Airways
Deal found 30/11£325
Thu 11/1219:45LHR - EXT
1 stop16h 45mMultiple Airlines
Mon 15/1209:25EXT - LHR
1 stop8h 40mMultiple Airlines
Deal found 30/11£340
Mon 15/1207:50LHR - EXT
1 stop4h 30mMultiple Airlines
Fri 19/1208:10EXT - LHR
2 stops10h 40mMultiple Airlines
Deal found 29/11£345
Mon 15/1207:50LHR - EXT
1 stop4h 30mAer Lingus
Fri 19/1212:50EXT - LHR
1 stop8h 15mAer Lingus
Deal found 29/11£354
Mon 1/1220:30LHR - EXT
1 stop21h 15mMultiple Airlines
Mon 8/1209:25EXT - LHR
1 stop8h 40mMultiple Airlines
Deal found 30/11£378
Wed 31/1206:30LHR - EXT
1 stop10h 20mMultiple Airlines
Wed 7/115:00EXT - LHR
2 stops17h 05mMultiple Airlines
Deal found 1/12£385
Mon 8/1209:50LHR - EXT
1 stop7h 55mBritish Airways
Tue 9/1215:15EXT - LHR
1 stop5h 10mBritish Airways
Deal found 1/12£597
Mon 8/1207:50LHR - EXT
1 stop4h 30mMultiple Airlines
Tue 9/1215:15EXT - LHR
2 stops7h 05mMultiple Airlines
Deal found 1/12£661

Cheap flight deals from Heathrow to Plymouth

Keep the following information in mind while searching for Heathrow to Plymouth flight deals. Data was last updated 2 December 2025.

Round-trip from

£231

One-way from

£113

Popular in

September

Cheapest in

March

Average price

£359
KLM
  • KLM
  • 31/12-7/1
  • 2 total stops
  • 24h 40m total
  • London to Plymouth
Search Deals
British Airways
  • British Airways
  • 15/4
  • 1 total stop
  • 8h 05m total
  • London to Plymouth
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£29 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£16 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow to Plymouth 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 2 December 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Plymouth that are best for you.

Fly from

Heathrow

Fly to

Plymouth

Route

Depart

Return

Price

LondonExeter

LHR - EXT

LHREXT

London Heathrow

Wed 31/12

06:30-16:50

1 stop10h 20m

Exeter

Wed 7/1

17:20-07:40

1 stop14h 20m

£231

LondonExeter

LHR - EXT

LHREXT

London Heathrow

Wed 8/4

06:55-15:00

1 stop8h 05m

Exeter

Mon 13/4

15:30-20:45

1 stop5h 15m

£263

LondonExeter

LHR - EXT

LHREXT

London Heathrow

Thu 15/1

18:35-14:30

1 stop19h 55m

Exeter

Mon 19/1

15:00-21:05

1 stop6h 05m

£264

LondonExeter

LHR - EXT

LHREXT

London Heathrow

Fri 1/5

22:10-09:05

1 stop10h 55m

Exeter

Fri 8/5

15:30-21:10

1 stop5h 40m

£274

LondonExeter

LHR - EXT

LHREXT

London Heathrow

Thu 30/4

07:00-15:00

1 stop8h 00m

Exeter

Tue 5/5

15:30-21:05

1 stop5h 35m

£278

LondonExeter

LHR - EXT

LHREXT

London Heathrow

Sat 30/5

18:35-16:45

1 stop22h 10m

Exeter

Sat 6/6

17:15-20:55

1 stop3h 40m

£279

LondonExeter

LHR - EXT

LHREXT

London Heathrow

Thu 11/12

19:45-12:30

1 stop16h 45m

Exeter

Thu 18/12

16:45-16:15

1 stop23h 30m

£325

LondonExeter

LHR - EXT

LHREXT

London Heathrow

Thu 11/12

19:45-12:30

1 stop16h 45m

Exeter

Mon 15/12

09:25-18:05

1 stop8h 40m

£340

LondonExeter

LHR - EXT

LHREXT

London Heathrow

Mon 15/12

07:50-12:20

1 stop4h 30m

Exeter

Fri 19/12

08:10-18:50

2 stops10h 40m

£345

LondonExeter

LHR - EXT

LHREXT

London Heathrow

Mon 15/12

07:50-12:20

1 stop4h 30m

Exeter

Fri 19/12

12:50-21:05

1 stop8h 15m

£354

Flights are sorted by cheapest return flights first.

Deals found on 30/11

Showing 1-10 of 13 results
1
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Best time to book a flight from Heathrow to Plymouth

Have a flexible travel schedule? Discover the best time to fly to Plymouth from Heathrow 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 London Heathrow Airport to Plymouth

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

Currently, December is the cheapest month in which you can book a flight from London Heathrow Airport to Plymouth (average of £35). Flying from London Heathrow Airport to Plymouth in January is currently the most expensive (average of £312). 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 LHR to P1Y?

Find hourly flight availability from Heathrow to Plymouth. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 2 December 2025.

One of the essential ways to save on airfare from London Heathrow Airport to Plymouth is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at midday could potentially save you up to 49% on airfare.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Plymouth. 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 London Heathrow Airport to Plymouth?

    A quick flight from London Heathrow Airport to Plymouth can take about 8h 05m. KLM provides one of the quickest options available for as low as £263. Airlines will cover a distance of 138 mi. This flight may include one or multiple stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Heathrow to Plymouth 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 London Heathrow Airport to Plymouth?

    Currently, December is the cheapest month in which you can book a flight from London Heathrow Airport to Plymouth (average of £35). Flying from London Heathrow Airport to Plymouth in January is currently the most expensive (average of £312). 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 Heathrow to Plymouth

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Top 3 airlines flying from Heathrow to Plymouth

Discover the top 3 airlines that operate flights from Heathrow to Plymouth. 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 2 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Eastern AirwaysCheapest£133Average£148FlexibilityNo cancel feeOn-time81%
Search Eastern Airways flights
KLMCheapest£212Average£352FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapest£378Average£484FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Heathrow to Plymouth?

When you search for this flight from Heathrow to Plymouth, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Cheapflights helps you find that perfect flight to Plymouth from Heathrow by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Heathrow to Plymouth with no change fees?

Need flexible booking options for your flight to Plymouth from Heathrow? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Heathrow to Plymouth become cheaper?

Yes! Start tracking prices for Heathrow to Plymouth flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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