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Cheap flights from Plymouth to London Heathrow Airport from £105

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 27/7. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — LHR
28 Jul — 4 Aug1
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 28 June 2026.

Wed 12/816:00
EXT
-
LHR
1 stop4h 20m
Multiple Airlines
Wed 19/820:50
LHR
-
EXT
2 stops18h 05m
Multiple Airlines
Deal found 27/6£218
Wed 12/816:00
EXT
-
LHR
1 stop4h 20m
Aer Lingus
Wed 19/808:50
LHR
-
EXT
1 stop6h 40m
Aer Lingus
Deal found 25/6£239
Wed 12/817:15
EXT
-
LHR
1 stop3h 40m
KLM
Wed 19/808:40
LHR
-
EXT
1 stop8h 05m
KLM
Deal found 26/6£244
Wed 30/917:15
EXT
-
LHR
1 stop14h 25m
KLM
Mon 5/1019:15
LHR
-
EXT
1 stop21h 30m
KLM
Deal found 25/6£257
Tue 25/816:00
EXT
-
LHR
1 stop4h 20m
Aer Lingus
Wed 26/808:50
LHR
-
EXT
1 stop6h 40m
Aer Lingus
Deal found 27/6£258
Sun 26/720:50
EXT
-
LHR
2 stops17h 35m
Multiple Airlines
Sun 2/822:00
LHR
-
EXT
2 stops16h 55m
Multiple Airlines
Deal found 27/6£264
Fri 7/817:15
EXT
-
LHR
1 stop14h 25m
KLM
Mon 10/820:55
LHR
-
EXT
1 stop19h 50m
KLM
Deal found 23/6£273

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 28 June 2026.

Round-trip from

£218

One-way from

£105

Popular in

August

Cheapest in

March

Average price

£388
12/8-19/8
  • 12/8-19/8
  • 3 total stops
  • 22h 25m total
  • Plymouth to London
Search Deals
Etihad Airways
  • Etihad Airways
  • 27/7
  • Nonstop
  • 3h 40m total
  • Plymouth to London
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£18 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 28 June 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

Wed 12/8

16:00-20:20

1 stop4h 20m

London Heathrow

Wed 19/8

20:50-14:55

2 stops18h 05m

£218

ExeterLondon

EXT - LHR

EXTLHR

Exeter

Wed 18/11

17:20-20:50

1 stop3h 30m

London Heathrow

Sat 21/11

06:30-16:50

1 stop10h 20m

£218
Fastest return journey

ExeterLondon

EXT - LHR

EXTLHR

Exeter

Wed 12/8

16:00-20:20

1 stop4h 20m

London Heathrow

Wed 19/8

08:50-15:30

1 stop6h 40m

£239

ExeterLondon

EXT - LHR

EXTLHR

Exeter

Wed 12/8

17:15-20:55

1 stop3h 40m

London Heathrow

Wed 19/8

08:40-16:45

1 stop8h 05m

£244

ExeterLondon

EXT - LHR

EXTLHR

Exeter

Wed 30/9

17:15-07:40

1 stop14h 25m

London Heathrow

Mon 5/10

19:15-16:45

1 stop21h 30m

£257

ExeterLondon

EXT - LHR

EXTLHR

Exeter

Tue 25/8

16:00-20:20

1 stop4h 20m

London Heathrow

Wed 26/8

08:50-15:30

1 stop6h 40m

£258

ExeterLondon

EXT - LHR

EXTLHR

Exeter

Fri 7/8

17:15-07:40

1 stop14h 25m

London Heathrow

Mon 10/8

20:55-16:45

1 stop19h 50m

£273

ExeterLondon

EXT - LHR

EXTLHR

Exeter

Sun 26/7

20:50-14:25

2 stops17h 35m

London Heathrow

Sun 2/8

14:20-18:45

1 stop4h 25m

£279

ExeterLondon

EXT - LHR

EXTLHR

Exeter

Mon 7/9

16:00-20:20

1 stop4h 20m

London Heathrow

Fri 11/9

07:40-15:30

1 stop7h 50m

£280
Cheapest one-way
Fastest single journey

ExeterLondon

EXT - LHR

EXTLHR

Exeter

Mon 27/7

16:00-20:20

1 stop4h 20m

£126

Flights are sorted by cheapest return flights first.

Deals found on 25/6

Showing 1-10 of 13 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 28 June 2026.

It’s typically best to fly out from Plymouth to London Heathrow Airport at midday. Doing so could potentially save you 34% 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 28 June 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
1,531 reviews
Check prices

Boarding

7.8

Comfort

7.7

Food

7.3

Crew

8.4

Entertainment

7.2

Overall

7.8

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
1,531 reviews
KLM
7.8
Good
1,531 reviews
Check prices

Boarding

7.8

Comfort

7.7

Food

7.3

Crew

8.4

Entertainment

7.2

Overall

7.8

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 and Aer Lingus can get you from Plymouth to London Heathrow Airport in just under 3h 30m. Your travel time can differ by up to 50m. 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.

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
Luton
Wembley
Gatwick
Croydon
Slough
Ilford
Hayes
Brentford
Colchester
Northampton
Watford
Kingston upon Thames
Swindon
Eastbourne
Poole
Southall
Aylesbury
Romford

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Plymouth to Heathrow

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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 28 June 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£221Average£326FlexibilityNo 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!

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