Find flights
When to book
Airlines
FAQs

Cheap flights from Plymouth to London Heathrow Airport from £123

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 15/9. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — LHR
3 Sep — 10 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap 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 4 August 2026.

Sun 6/920:45 -
2 stops17h 30m
Tue 8/920:50 -
2 stops17h 00m
Deal found 1/8£207
Sun 20/917:15 -
1 stop3h 40m
Thu 24/920:55 -
1 stop19h 50m
Deal found 1/8£247
Sun 6/919:15 -
1 stop13h 50m
Tue 8/907:40 -
1 stop7h 50m
Deal found 31/7£250
Wed 2/916:00 -
1 stop4h 20m
Wed 9/907:40 -
1 stop7h 50m
Deal found 1/8£251
Sat 29/817:15 -
1 stop14h 25m
Sat 5/906:30 -
1 stop10h 15m
Deal found 1/8£259
Mon 2/1117:20 -
1 stop14h 20m
Wed 18/1106:30 -
1 stop10h 15m
Deal found 3/8£262
Sun 1/1118:20 -
1 stop13h 00m
Sun 15/1106:50 -
1 stop10h 55m
Deal found 1/8£265
Tue 1/917:15 -
1 stop14h 25m
Tue 8/906:30 -
1 stop10h 15m
Deal found 2/8£272

Find flight deals from Plymouth to Heathrow

Keep the following information in mind while searching for Plymouth to Heathrow flight deals. Data was last updated 4 August 2026.

Round-trip from

£207

One-way from

£123
6/9-8/9
  • 6/9-8/9
  • 4 total stops
  • 34h 30m total
  • Plymouth to London
Search Deals
Aer Lingus
  • Aer Lingus
  • 15/9
  • 1 total stop
  • 4h 20m total
  • Plymouth to London
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 4 August 2026.
Use the filters below to find and compare flights from Plymouth to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ExeterLondon

EXT - LHR

EXTLHR

Exeter

Sun 6/9

20:45-14:15

2 stops17h 30m

London Heathrow

Tue 8/9

20:50-13:50

2 stops17h 00m

£207

ExeterLondon

EXT - LHR

EXTLHR

Exeter

Sun 20/9

17:15-07:40

1 stop14h 25m

London Heathrow

Sat 26/9

06:30-16:45

1 stop10h 15m

£248

ExeterLondon

EXT - LHR

EXTLHR

Exeter

Sun 20/9

17:15-07:40

1 stop14h 25m

London Heathrow

Thu 24/9

06:30-16:45

1 stop10h 15m

£248

ExeterLondon

EXT - LHR

EXTLHR

Exeter

Tue 29/9

17:15-09:00

1 stop15h 45m

London Heathrow

Tue 6/10

09:55-16:45

1 stop6h 50m

£248

ExeterLondon

EXT - LHR

EXTLHR

Exeter

Fri 4/9

17:15-07:40

1 stop14h 25m

London Heathrow

Sat 19/9

06:30-16:45

1 stop10h 15m

£248
Fastest return journey

ExeterLondon

EXT - LHR

EXTLHR

Exeter

Sun 6/9

19:15-09:05

1 stop13h 50m

London Heathrow

Tue 8/9

07:40-15:30

1 stop7h 50m

£250

ExeterLondon

EXT - LHR

EXTLHR

Exeter

Sat 29/8

17:15-07:40

1 stop14h 25m

London Heathrow

Sat 5/9

06:30-16:45

1 stop10h 15m

£259

ExeterLondon

EXT - LHR

EXTLHR

Exeter

Tue 1/9

17:15-07:40

1 stop14h 25m

London Heathrow

Tue 8/9

06:30-16:45

1 stop10h 15m

£259
Cheapest one-way
Fastest single journey

ExeterLondon

EXT - LHR

EXTLHR

Exeter

Thu 5/11

15:30-20:30

1 stop5h 00m

£143

ExeterLondon

EXT - LHR

EXTLHR

Exeter

Sun 13/9

18:10-08:10

1 stop14h 00m

£156

Flights are sorted by cheapest return flights first.

Deals found on 2/8

Showing 1-10 of 18 resultsSorted by cheapest first
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 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 4 August 2026.

It’s typically best to fly out from Plymouth to London Heathrow Airport in the morning. Doing so could potentially save you 32% on the flight price compared to flying in the afternoon, which is usually more expensive.

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 4 August 2026.
See what other customers who have flown with KLM 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
7.8
Good
1,552 reviews
Check prices

Boarding

7.8

Food

7.3

Overall

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
KLM
7.8
Good
1,552 reviews
KLM
7.8
Good
1,552 reviews
Check prices

Boarding

7.8

Food

7.3

Overall

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

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 can get you from Plymouth to London Heathrow Airport in just under 14h 25m. Your travel time can differ by up to . The distance from Plymouth to London Heathrow Airport is about 138 mi.

  • 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.

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
Hounslow
Milton Keynes
Gatwick
Luton
Wembley
Slough
Ilford
Hayes
Croydon
Colchester
Eastbourne
Brentford
Northampton
Watford
Swindon
Southend-on-Sea
Enfield
Kingston upon Thames
Southall
Poole

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Plymouth to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
Edinburgh to Luton flights
Edinburgh to Stansted flights
Edinburgh to Gatwick flights
Edinburgh to Heathrow flights
Edinburgh to London City flights
Manchester to London City flights
Manchester to Gatwick flights
Manchester to Heathrow flights
Manchester to Luton flights
Manchester to Stansted flights
Newcastle upon Tyne to Heathrow flights
Edinburgh to Southend flights
Newcastle upon Tyne to London City flights
Newcastle upon Tyne to Gatwick flights
Heathrow to Gatwick flights
Newcastle upon Tyne to Luton flights
Newcastle upon Tyne to Stansted flights
Birmingham to Gatwick flights
Newquay to Heathrow flights
Manchester to Southend flights
Birmingham to London City flights
Bristol to Gatwick flights
Birmingham to Heathrow flights
Birmingham to Luton flights
Newquay to Stansted flights
Newquay to London City flights
Gatwick to Heathrow flights
Newquay to Luton flights
Bristol to London City flights
Exeter to Gatwick flights
Newquay to Gatwick flights
Exeter to Heathrow flights
Birmingham to Stansted flights
Exeter to Luton flights
Exeter to Stansted flights
Liverpool to London City flights
Bristol to Heathrow flights
Leeds to London City flights
Bristol to Luton flights
Exeter to London City flights
Liverpool to Heathrow flights
Bristol to Stansted flights
Liverpool to Stansted flights
Leeds to Heathrow flights
Liverpool to Gatwick flights
Southampton to Gatwick flights
Liverpool to Luton flights
Darlington to Heathrow flights
Leeds to Gatwick flights
Newcastle upon Tyne to Southend flights

Top airline flying from Plymouth to Heathrow

Discover the top airline 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 4 August 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£214Average£382FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights makes it easy to find Plymouth to Heathrow flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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.

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

Yes, we can. To see specific flights from Plymouth to Heathrow with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.