Cheap flights from Plymouth to London Heathrow Airport from £188

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14/10. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — LHR
17 Oct — 24 Oct1
1 adult
1 adult, Economy

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 17 September 2025.

Round-trip from

£188

Popular in

March

Cheapest in

January

Average price

£296
Aer Lingus
  • Aer Lingus
  • 14/10-21/10
  • 2 total stops
  • 11h 55m total
  • Plymouth to London
Highest demand for flights based on searches. 7% potential increase in price (£23 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£10 potential savings vs. average return price).
Average for round-trip flights in September 2025

Find flight deals from Plymouth to Heathrow

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 17 September 2025.

Tue 14/1012:30EXT - LHR
1 stop7h 50mAer Lingus
Tue 21/1007:40LHR - EXT
1 stop4h 05mAer Lingus
Deal found 15/9£188
Mon 17/1115:15EXT - LHR
1 stop5h 50mMultiple Airlines
Tue 18/1106:40LHR - EXT
1 stop10h 45mMultiple Airlines
Deal found 14/9£210
Mon 17/1117:30EXT - LHR
1 stop17h 15mKLM
Fri 21/1120:25LHR - EXT
1 stop20h 25mKLM
Deal found 15/9£226
Tue 14/1008:05EXT - LHR
2 stops12h 00mMultiple Airlines
Tue 21/1007:40LHR - EXT
1 stop4h 05mMultiple Airlines
Deal found 14/9£228
Thu 6/1117:30EXT - LHR
1 stop15h 30mKLM
Sun 9/1111:45LHR - EXT
1 stop5h 05mKLM
Deal found 14/9£238
Fri 10/1013:05EXT - LHR
1 stop6h 20mAer Lingus
Mon 13/1007:40LHR - EXT
1 stop4h 05mAer Lingus
Deal found 15/9£244
Mon 17/1121:10EXT - LHR
2 stops17h 35mMultiple Airlines
Fri 21/1107:50LHR - EXT
1 stop4h 30mMultiple Airlines
Deal found 15/9£253
Wed 29/1017:20EXT - LHR
1 stop15h 40mKLM
Wed 5/1110:00LHR - EXT
1 stop6h 50mKLM
Deal found 14/9£256
Fri 31/1012:50EXT - LHR
1 stop8h 15mAer Lingus
Fri 7/1107:50LHR - EXT
1 stop4h 30mAer Lingus
Deal found 16/9£257
Sat 27/913:05EXT - LHR
1 stop5h 15mMultiple Airlines
Sat 27/920:50LHR - EXT
2 stops15h 30mMultiple Airlines
Deal found 15/9£278

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 17 September 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

Tue 14/10

12:30-20:20

1 stop7h 50m

London Heathrow

Tue 21/10

07:40-11:45

1 stop4h 05m

£188

ExeterLondon

EXT - LHR

EXTLHR

Exeter

Mon 17/11

15:15-21:05

1 stop5h 50m

London Heathrow

Tue 18/11

06:40-17:25

1 stop10h 45m

£210

ExeterLondon

EXT - LHR

EXTLHR

Exeter

Mon 17/11

17:30-10:45

1 stop17h 15m

London Heathrow

Fri 21/11

20:25-16:50

1 stop20h 25m

£226

ExeterLondon

EXT - LHR

EXTLHR

Exeter

Tue 14/10

08:05-20:05

2 stops12h 00m

London Heathrow

Tue 21/10

07:40-11:45

1 stop4h 05m

£228

ExeterLondon

EXT - LHR

EXTLHR

Exeter

Thu 6/11

17:30-09:00

1 stop15h 30m

London Heathrow

Sun 9/11

11:45-16:50

1 stop5h 05m

£238

ExeterLondon

EXT - LHR

EXTLHR

Exeter

Fri 10/10

13:05-19:25

1 stop6h 20m

London Heathrow

Mon 13/10

07:40-11:45

1 stop4h 05m

£244

ExeterLondon

EXT - LHR

EXTLHR

Exeter

Mon 17/11

21:10-14:45

2 stops17h 35m

London Heathrow

Fri 21/11

07:50-12:20

1 stop4h 30m

£253

ExeterLondon

EXT - LHR

EXTLHR

Exeter

Wed 29/10

17:20-09:00

1 stop15h 40m

London Heathrow

Wed 5/11

10:00-16:50

1 stop6h 50m

£256

ExeterLondon

EXT - LHR

EXTLHR

Exeter

Fri 31/10

12:50-21:05

1 stop8h 15m

London Heathrow

Fri 7/11

07:50-12:20

1 stop4h 30m

£257

ExeterLondon

EXT - LHR

EXTLHR

Exeter

Sat 27/9

13:05-18:20

1 stop5h 15m

London Heathrow

Sat 27/9

20:50-12:20

2 stops15h 30m

£278

Flights are sorted by cheapest return flights first.

Deals found on 14/9

Showing 1-10 of 11 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, January is the cheapest month in which you can book a flight from Plymouth to London Heathrow Airport (average of £112). Flying from Plymouth to London Heathrow Airport in August is currently the most expensive (average of £164). 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 17 September 2025.

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

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 14 September 2025.

Travellers seeking maximum savings on their Plymouth to London Heathrow Airport flight should consider departing on Thursday at midday when fares are most often at their lowest. Saturday afternoons 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 17 September 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.

Entertainment

7.2

Boarding

7.8

Comfort

7.7

Crew

8.4

Overall

7.8

Food

7.3

Reviews

1 / 20
4.0
Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Entertainment

7.2

Boarding

7.8

Comfort

7.7

Crew

8.4

Overall

7.8

Food

7.3

Reviews

1 / 20
4.0
Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Entertainment

7.2

Boarding

7.8

Comfort

7.7

Crew

8.4

Overall

7.8

Food

7.3

Reviews

1 / 20
4.0
Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

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?

    Aer Lingus and KLM can get you from Plymouth to London Heathrow Airport in just under 7h 50m. Your travel time can differ by up to 9h 25m. 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.

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

    The cheapest flight price from Plymouth to London Heathrow Airport is £491. On average you can expect to pay £702. The most popular route, (Exeter - London Heathrow), can usually be booked for £188.

  • 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, January is the cheapest month in which you can book a flight from Plymouth to London Heathrow Airport (average of £112). Flying from Plymouth to London Heathrow Airport in August is currently the most expensive (average of £164). 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
Hounslow
Slough
Gatwick
Northampton
Luton
Deal
Wembley
Ilford
Crawley
Hayes
Watford
Winchester
Chichester
Ipswich
Swindon
Dartford
Guildford
Brentford

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Alternative routes for Plymouth to Heathrow

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

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 17 September 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£211Average£328FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapest£264Average£364FlexibilityNo cancel feeOn-time70%
Search British Airways flights

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