Cheap flights from London Heathrow Airport to Plymouth 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 15/12. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — CWL
17 Oct — 24 Oct1
1 adult
1 adult, Economy

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 17 September 2025.

Round-trip from

£172

One-way from

£110

Popular in

June

Cheapest in

April

Average price

£524
Aer Lingus
  • Aer Lingus
  • 15/10-22/10
  • 2 total stops
  • 11h 55m total
  • London to Plymouth
Aer Lingus
  • Aer Lingus
  • 15/12
  • 1 total stop
  • 4h 30m total
  • London to Plymouth
Highest demand for flights based on searches. 11% potential increase in price (£40 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (£13 potential savings vs. average return price).
Average for round-trip flights in September 2025

Find flight deals from Heathrow to Plymouth

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 17 September 2025.

Wed 15/1007:40LHR - EXT
1 stop4h 05mAer Lingus
Wed 22/1012:30EXT - LHR
1 stop7h 50mAer Lingus
Deal found 15/9£172
Tue 14/1007:40LHR - EXT
1 stop4h 05mAer Lingus
Tue 21/1012:30EXT - LHR
1 stop7h 50mAer Lingus
Deal found 14/9£195
Thu 2/1007:40LHR - EXT
1 stop4h 15mAer Lingus
Mon 6/1012:15EXT - LHR
1 stop7h 10mAer Lingus
Deal found 15/9£217
Wed 15/1007:40LHR - EXT
1 stop4h 05mMultiple Airlines
Wed 22/1012:30EXT - LHR
2 stops19h 10mMultiple Airlines
Deal found 15/9£234
Fri 7/1120:25LHR - EXT
1 stop20h 35mKLM
Mon 10/1117:30EXT - LHR
1 stop15h 30mKLM
Deal found 16/9£238
Wed 29/1008:40LHR - EXT
1 stop8h 10mKLM
Wed 5/1117:20EXT - LHR
1 stop15h 40mKLM
Deal found 14/9£242
Tue 30/907:40LHR - EXT
1 stop4h 05mMultiple Airlines
Sat 4/1009:00EXT - LHR
2 stops11h 05mMultiple Airlines
Deal found 15/9£244
Sun 12/1022:00LHR - EXT
1 stop13h 45mAer Lingus
Sun 19/1012:50EXT - LHR
1 stop8h 05mAer Lingus
Deal found 14/9£251
Mon 6/1007:40LHR - EXT
1 stop4h 05mAer Lingus
Wed 8/1012:30EXT - LHR
1 stop7h 50mAer Lingus
Deal found 14/9£259
Wed 1/1007:40LHR - EXT
1 stop4h 05mAer Lingus
Sun 5/1012:50EXT - LHR
1 stop20h 15mAer Lingus
Deal found 16/9£271
Wed 1/1007:40LHR - EXT
1 stop4h 05mMultiple Airlines
Sun 5/1017:35EXT - LHR
2 stops19h 05mMultiple Airlines
Deal found 16/9£286

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 17 September 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 15/10

07:40-11:45

1 stop4h 05m

Exeter

Wed 22/10

12:30-20:20

1 stop7h 50m

£172

LondonExeter

LHR - EXT

LHREXT

London Heathrow

Tue 14/10

07:40-11:45

1 stop4h 05m

Exeter

Tue 21/10

12:30-20:20

1 stop7h 50m

£195

LondonExeter

LHR - EXT

LHREXT

London Heathrow

Wed 15/10

07:40-11:45

1 stop4h 05m

Exeter

Wed 22/10

12:30-07:40

2 stops19h 10m

£234

LondonExeter

LHR - EXT

LHREXT

London Heathrow

Fri 7/11

20:25-17:00

1 stop20h 35m

Exeter

Mon 10/11

17:30-09:00

1 stop15h 30m

£238

LondonExeter

LHR - EXT

LHREXT

London Heathrow

Wed 29/10

08:40-16:50

1 stop8h 10m

Exeter

Wed 5/11

17:20-09:00

1 stop15h 40m

£242

LondonExeter

LHR - EXT

LHREXT

London Heathrow

Tue 30/9

07:40-11:45

1 stop4h 05m

Exeter

Sat 4/10

09:00-20:05

2 stops11h 05m

£244

LondonExeter

LHR - EXT

LHREXT

London Heathrow

Mon 6/10

07:40-11:45

1 stop4h 05m

Exeter

Wed 8/10

12:30-20:20

1 stop7h 50m

£259

LondonExeter

LHR - EXT

LHREXT

London Heathrow

Wed 1/10

07:40-11:45

1 stop4h 05m

Exeter

Sun 5/10

12:50-09:05

1 stop20h 15m

£271

LondonExeter

LHR - EXT

LHREXT

London Heathrow

Wed 1/10

07:40-11:45

1 stop4h 05m

Exeter

Sun 5/10

17:35-12:40

2 stops19h 05m

£286

LondonExeter

LHR - EXT

LHREXT

London Heathrow

Tue 14/10

09:55-16:45

1 stop6h 50m

Exeter

Tue 21/10

17:15-07:40

1 stop14h 25m

£290

Flights are sorted by cheapest return flights first.

Deals found on 14/9

Showing 1-10 of 21 results
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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, July is the cheapest month in which you can book a flight from London Heathrow Airport to Plymouth (average of £169). Flying from London Heathrow Airport to Plymouth in December is currently the most expensive (average of £263). 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 17 September 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London Heathrow Airport to Plymouth as you normally would.

How much does it cost for a return flight from London Heathrow Airport to Plymouth?

Reviews of airlines servicing Plymouth

Get insights into the airlines that provide service to Plymouth. 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 Plymouth. Reviews last updated 17 September 2025.
Get a feel of what it's like to fly with British Airways from London Heathrow Airport to Plymouth by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

6.7

Overall

6.7

Boarding

6.9

Entertainment

6.4

Food

6.3

Crew

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

LHR - FCO

The crew was wonderful. Service was great. The discomfort came from the passenger behind me kicking the seat.

Comfort

6.7

Overall

6.7

Boarding

6.9

Entertainment

6.4

Food

6.3

Crew

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

LHR - FCO

The crew was wonderful. Service was great. The discomfort came from the passenger behind me kicking the seat.

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 4h 05m. Aer Lingus provides one of the quickest options available for as low as £172. 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, July is the cheapest month in which you can book a flight from London Heathrow Airport to Plymouth (average of £169). Flying from London Heathrow Airport to Plymouth in December is currently the most expensive (average of £263). 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

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Heathrow to Plymouth

Discover the top 4 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 17 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Eastern AirwaysCheapest£96Average£146FlexibilityNo cancel feeOn-time81%
Search Eastern Airways flights
Aer LingusCheapest£178Average£295FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
KLMCheapest£193Average£341FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapest£223Average£481FlexibilityNo cancel feeOn-time70%
Search British Airways flights

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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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