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Cheap flights from Plymouth to London Heathrow Airport from £88

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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — LHR
9 Apr — 16 Apr1
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 10 March 2026.

Tue 21/416:00
EXT
-
LHR
1 stop4h 20m
Aer Lingus
Wed 22/409:50
LHR
-
EXT
1 stop5h 40m
Aer Lingus
Deal found 9/3£234
Wed 23/1217:20
EXT
-
LHR
1 stop14h 20m
KLM
Sun 27/1208:40
LHR
-
EXT
1 stop8h 10m
KLM
Deal found 8/3£248
Sun 19/416:00
EXT
-
LHR
1 stop16h 05m
Aer Lingus
Sun 26/408:50
LHR
-
EXT
1 stop9h 55m
Aer Lingus
Deal found 5/3£249
Tue 21/416:00
EXT
-
LHR
1 stop4h 20m
Multiple Airlines
Wed 22/420:50
LHR
-
EXT
2 stops18h 05m
Multiple Airlines
Deal found 9/3£252
Wed 8/415:30
EXT
-
LHR
1 stop5h 20m
British Airways
Wed 15/406:55
LHR
-
EXT
1 stop8h 05m
British Airways
Deal found 9/3£253
Thu 23/415:30
EXT
-
LHR
1 stop5h 30m
British Airways
Thu 30/406:55
LHR
-
EXT
1 stop8h 05m
British Airways
Deal found 9/3£266
Sat 27/609:35
EXT
-
LHR
1 stop9h 40m
British Airways
Wed 1/708:50
LHR
-
EXT
1 stop6h 10m
British Airways
Deal found 6/3£270
Fri 3/715:30
EXT
-
LHR
1 stop5h 40m
Multiple Airlines
Sat 4/706:15
LHR
-
EXT
1 stop10h 45m
Multiple Airlines
Deal found 7/3£277
Fri 27/315:00
EXT
-
LHR
1 stop25h 20m
British Airways
Mon 30/320:35
LHR
-
EXT
1 stop18h 25m
British Airways
Deal found 5/3£281
Tue 7/415:30
EXT
-
LHR
1 stop5h 35m
British Airways
Tue 14/406:45
LHR
-
EXT
1 stop8h 15m
British Airways
Deal found 8/3£287

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 10 March 2026.

Round-trip from

£234

One-way from

£88

Popular in

May

Cheapest in

September

Average price

£499
Aer Lingus
  • Aer Lingus
  • 21/4-22/4
  • 2 total stops
  • 10h 00m total
  • Plymouth to London
Search Deals
6/5
  • 6/5
  • 3 total stops
  • 17h 00m total
  • Plymouth to London
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (£69 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£18 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
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 10 March 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
Fastest return journey

ExeterLondon

EXT - LHR

EXTLHR

Exeter

Tue 21/4

16:00-20:20

1 stop4h 20m

London Heathrow

Tue 28/4

08:50-15:30

1 stop6h 40m

£234

ExeterLondon

EXT - LHR

EXTLHR

Exeter

Thu 23/4

15:30-21:00

1 stop5h 30m

London Heathrow

Thu 30/4

06:55-15:00

1 stop8h 05m

£266

ExeterLondon

EXT - LHR

EXTLHR

Exeter

Fri 27/3

15:00-16:20

1 stop25h 20m

London Heathrow

Mon 30/3

20:35-15:00

1 stop18h 25m

£281

ExeterLondon

EXT - LHR

EXTLHR

Exeter

Tue 7/4

15:30-21:05

1 stop5h 35m

London Heathrow

Tue 14/4

06:45-15:00

1 stop8h 15m

£287

ExeterLondon

EXT - LHR

EXTLHR

Exeter

Mon 6/4

15:30-21:15

1 stop5h 45m

London Heathrow

Mon 13/4

06:45-15:00

1 stop8h 15m

£299

ExeterLondon

EXT - LHR

EXTLHR

Exeter

Tue 31/3

16:00-21:40

1 stop5h 40m

London Heathrow

Thu 2/4

07:35-17:20

1 stop9h 45m

£300

ExeterLondon

EXT - LHR

EXTLHR

Exeter

Sun 28/6

18:20-18:00

1 stop23h 40m

London Heathrow

Thu 2/7

08:50-15:00

1 stop6h 10m

£317

ExeterLondon

EXT - LHR

EXTLHR

Exeter

Sun 28/6

18:20-08:10

1 stop13h 50m

London Heathrow

Tue 30/6

18:15-15:00

1 stop20h 45m

£317
Cheapest one-way

ExeterLondon

EXT - LHR

EXTLHR

Exeter

Wed 6/5

21:45-14:45

3 stops17h 00m

£88
Fastest single journey

ExeterLondon

EXT - LHR

EXTLHR

Exeter

Wed 6/5

16:00-20:20

1 stop4h 20m

£110

Flights are sorted by cheapest return flights first.

Deals found on 7/3

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 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 £211). Flying from Plymouth to London Heathrow Airport in May is currently the most expensive (average of £424). 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 10 March 2026.

It’s typically best to fly out from Plymouth to London Heathrow Airport in the evening. Doing so could potentially save you 15% on the flight price compared to flying at midday, 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 10 March 2026.
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
7.8
Good
1,468 reviews
Check prices

Comfort

7.6

Food

7.3

Entertainment

7.1

Boarding

7.8

Crew

8.4

Overall

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.8
Good
1,468 reviews
KLM
7.8
Good
1,468 reviews
Check prices

Comfort

7.6

Food

7.3

Entertainment

7.1

Boarding

7.8

Crew

8.4

Overall

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
British Airways
6.7
Okay
7,781 reviews
KLM
7.8
Good
1,468 reviews
Check prices

Comfort

7.6

Food

7.3

Entertainment

7.1

Boarding

7.8

Crew

8.4

Overall

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

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 British Airways can get you from Plymouth to London Heathrow Airport in just under 4h 20m. Your travel time can differ by up to 1h 10m. 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 £211). Flying from Plymouth to London Heathrow Airport in May is currently the most expensive (average of £424). 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
Wembley
Croydon
Northampton
Luton
Hounslow
Slough
Gatwick
Ilford
Hayes
Brentford
Colchester
Guildford
Watford
Kingston upon Thames
Chelmsford
Eastbourne
Ipswich
Swindon
Bedford

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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 10 March 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£216Average£292FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapest£291Average£457FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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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.

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