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Cheap flights from London Heathrow Airport to Plymouth 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 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — CWL
29 Aug — 5 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Plymouth

Enter your travel dates to find the best prices.

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 30 July 2026.

Thu 3/907:40
LHR
-
EXT
1 stop11h 05m
Aer Lingus
Thu 10/919:15
EXT
-
LHR
1 stop12h 50m
Aer Lingus
Deal found 25/7£223
Tue 8/909:50
LHR
-
EXT
1 stop5h 40m
Aer Lingus
Tue 15/916:00
EXT
-
LHR
1 stop4h 20m
Aer Lingus
Deal found 25/7£233
Thu 3/908:40
LHR
-
EXT
1 stop8h 05m
KLM
Thu 10/917:15
EXT
-
LHR
1 stop14h 25m
KLM
Deal found 26/7£235
Wed 9/907:40
LHR
-
EXT
1 stop7h 50m
Aer Lingus
Sun 13/919:15
EXT
-
LHR
1 stop13h 50m
Aer Lingus
Deal found 28/7£240
Wed 9/909:55
LHR
-
EXT
1 stop6h 50m
KLM
Wed 16/917:15
EXT
-
LHR
1 stop3h 40m
KLM
Deal found 28/7£248
Wed 9/907:40
LHR
-
EXT
1 stop7h 50m
Multiple Airlines
Wed 16/921:45
EXT
-
LHR
2 stops15h 10m
Multiple Airlines
Deal found 26/7£249
Tue 8/906:30
LHR
-
EXT
1 stop10h 15m
KLM
Tue 15/917:15
EXT
-
LHR
1 stop15h 45m
KLM
Deal found 26/7£261
Thu 10/914:20
LHR
-
EXT
1 stop4h 25m
Aer Lingus
Thu 17/919:15
EXT
-
LHR
1 stop12h 50m
Aer Lingus
Deal found 27/7£269
Wed 26/819:15
LHR
-
EXT
1 stop21h 30m
KLM
Wed 2/917:15
EXT
-
LHR
1 stop14h 25m
KLM
Deal found 27/7£272
Thu 3/907:40
LHR
-
EXT
2 stops9h 05m
Multiple Airlines
Thu 10/919:15
EXT
-
LHR
1 stop12h 50m
Multiple Airlines
Deal found 26/7£279

Find flight deals from Heathrow to Plymouth

Keep the following information in mind while searching for Heathrow to Plymouth flight deals. Data was last updated 30 July 2026.

Round-trip from

£223

One-way from

£105
Aer Lingus
  • Aer Lingus
  • 3/9-10/9
  • 2 total stops
  • 23h 55m total
  • London to Plymouth
Search Deals
Etihad Airways
  • Etihad Airways
  • 5/8
  • Nonstop
  • 3h 25m total
  • London to Plymouth
Search Deals

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 30 July 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Plymouth that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonExeter

LHR - EXT

LHREXT

London Heathrow

Thu 3/9

07:40-18:45

1 stop11h 05m

Exeter

Thu 10/9

19:15-08:05

1 stop12h 50m

£223
Fastest return journey

LondonExeter

LHR - EXT

LHREXT

London Heathrow

Tue 8/9

09:50-15:30

1 stop5h 40m

Exeter

Tue 15/9

16:00-20:20

1 stop4h 20m

£233

LondonExeter

LHR - EXT

LHREXT

London Heathrow

Wed 9/9

09:55-16:45

1 stop6h 50m

Exeter

Wed 16/9

17:15-20:55

1 stop3h 40m

£248

LondonExeter

LHR - EXT

LHREXT

London Heathrow

Wed 16/9

09:55-16:45

1 stop6h 50m

Exeter

Mon 28/9

17:15-09:00

1 stop15h 45m

£248

LondonExeter

LHR - EXT

LHREXT

London Heathrow

Sun 20/9

06:30-16:45

1 stop10h 15m

Exeter

Mon 28/9

17:15-16:15

1 stop23h 00m

£248

LondonExeter

LHR - EXT

LHREXT

London Heathrow

Wed 9/9

07:40-15:30

1 stop7h 50m

Exeter

Wed 16/9

21:45-12:55

2 stops15h 10m

£249

LondonExeter

LHR - EXT

LHREXT

London Heathrow

Wed 26/8

19:15-16:45

1 stop21h 30m

Exeter

Wed 2/9

17:15-07:40

1 stop14h 25m

£272

LondonExeter

LHR - EXT

LHREXT

London Heathrow

Thu 27/8

06:30-16:45

1 stop10h 15m

Exeter

Thu 3/9

17:15-20:55

1 stop3h 40m

£285

LondonExeter

LHR - EXT

LHREXT

London Heathrow

Thu 3/9

07:40-16:45

2 stops9h 05m

Exeter

Thu 10/9

19:15-08:05

1 stop12h 50m

£289
Cheapest one-way
Fastest single journey

LondonExeter

LHR - EXT

LHREXT

London Heathrow

Wed 5/8

19:35-23:00

Nonstop3h 25m

£105

Flights are sorted by cheapest return flights first.

Deals found on 29/7

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 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 30 July 2026.

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.

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 6h 50m. Aer Lingus provides one of the quickest options available for as low as £248. 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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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.
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Fly with Cheapflights

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

When you search for this flight from Heathrow to Plymouth, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Plymouth?

Cheapflights helps you find that perfect flight to Plymouth from Heathrow by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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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