How long is the flight from Plymouth to London Heathrow Airport?

KLM can get you from Plymouth to London Heathrow Airport in just under 15h 40m. Your travel time can differ by up to . The distance from Plymouth to London Heathrow Airport is about 138 mi.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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.

£110+ Cheap Flights from Plymouth to London Heathrow Airport

Cheap flight deals from Plymouth to Heathrow

Enter your travel dates to find the best prices.

Cheapest

Best

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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 21 September 2026.

Sun 8/1119:15 -

2 stops16h 10m

Sat 14/1118:45 -

1 stop14h 15m

Deal found 17/9£200

Sun 11/1019:15 -

1 stop15h 05m

Tue 13/1008:50 -

1 stop6h 40m

Deal found 18/9£201

Sun 11/1020:45 -

2 stops18h 00m

Tue 13/1008:50 -

1 stop6h 40m

Deal found 19/9£214

Sun 1/1117:20 -

1 stop15h 40m

Sat 7/1108:40 -

1 stop8h 00m

Deal found 21/9£218

Mon 5/1016:00 -

1 stop4h 20m

Wed 7/1007:40 -

1 stop7h 50m

Deal found 21/9£228

Thu 5/1117:20 -

1 stop14h 20m

Thu 12/1110:00 -

1 stop6h 45m

Deal found 20/9£230

Sun 8/1117:20 -

1 stop15h 40m

Sat 14/1116:25 -

1 stop24h 20m

Deal found 20/9£231

Find flight deals from Plymouth to Heathrow

Round-trip from	£175
One-way from	£110

Aer Lingus
14/10-21/10
3 total stops
23h 40m total
Plymouth to London

Search Deals

Aer Lingus
30/9-31/12
1 total stop
23h 00m total
Plymouth to London

Search Deals

Cheapflights Fare Finder

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

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Fly to

Route

Depart

Return

Price

Cheapest return flight

ExeterLondon

EXT Exeter - LHR London Heathrow

EXTLHR

Exeter

Wed 30/9

16:00-15:00

1 stop23h 00m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£110

ExeterLondon

EXT Exeter - LHR London Heathrow

EXTLHR

Exeter

Wed 30/9

21:45-14:45

2 stops17h 00m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£127

ExeterLondon

EXT Exeter - LHR London Heathrow

EXTLHR

Exeter

Tue 29/9

16:00-09:10

2 stops17h 10m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£137

ExeterLondon

EXT Exeter - LHR London Heathrow

EXTLHR

Exeter

Sun 27/9

19:15-18:55

1 stop23h 40m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£157

ExeterLondon

EXT Exeter - LHR London Heathrow

EXTLHR

Exeter

Mon 28/9

16:00-13:30

1 stop21h 30m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£169

ExeterLondon

EXT Exeter - LHR London Heathrow

EXTLHR

Exeter

Mon 28/9

19:55-13:30

3 stops17h 35m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£176

Fastest return journey

ExeterLondon

EXT Exeter - LHR London Heathrow

EXTLHR

Exeter

Sat 26/9

16:35-07:55

1 stop15h 20m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£204

ExeterLondon

EXT Exeter - LHR London Heathrow

EXTLHR

Exeter

Sun 27/9

20:45-14:45

2 stops18h 00m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£211

ExeterLondon

EXT Exeter - LHR London Heathrow

EXTLHR

Exeter

Wed 14/10

21:45-14:45

2 stops17h 00m

London Heathrow

Wed 21/10

08:50-15:30

1 stop6h 40m

£216

ExeterLondon

EXT Exeter - LHR London Heathrow

EXTLHR

Exeter

Sun 1/11

17:20-09:00

1 stop15h 40m

London Heathrow

Sat 7/11

06:30-16:40

1 stop10h 10m

£218

Flights are sorted by cheapest return flights first.

Deals found on 19/9

Showing 1-10 of 14 resultsSorted by cheapest first

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.

EXT-LHR

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

P1Y-LHR

EXT-LHR

What is the cheapest time of day to fly from P1Y to LHR?

It’s typically best to fly out from Plymouth to London Heathrow Airport in the evening. Doing so could potentially save you 47% on the flight price compared to flying at midday, which is usually more expensive.

Related info for your journey

How long is the flight from Plymouth to London Heathrow Airport?
KLM can get you from Plymouth to London Heathrow Airport in just under 15h 40m. 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.

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Cheap flights from Plymouth to London Heathrow Airport from £110

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Plymouth to Heathrow

Cheapest flights from Plymouth to HeathrowExplore 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 21 September 2026.

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 21 September 2026.

Best flights from Plymouth to HeathrowDiscover carefully curated flight deals from Plymouth to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 September 2026.

Discover carefully curated flight deals from Plymouth to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 September 2026.

Last-minute flights from Plymouth to HeathrowDiscover last-minute flight deals from Plymouth to Heathrow. Data last updated 21 September 2026 and is based on user searches.

Discover last-minute flight deals from Plymouth to Heathrow. Data last updated 21 September 2026 and is based on user searches.

One-way flights from Plymouth to HeathrowSearch for one-way flight options from Plymouth to Heathrow. Find affordable one-way fares based on user searches. Data last updated 21 September 2026.

Search for one-way flight options from Plymouth to Heathrow. Find affordable one-way fares based on user searches. Data last updated 21 September 2026.

Find flight deals from Plymouth to Heathrow

Round-trip from

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Cheapflights Fare Finder

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

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.

Cheapflights Insights

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 21 September 2026.

It’s typically best to fly out from Plymouth to London Heathrow Airport in the evening. Doing so could potentially save you 47% on the flight price compared to flying at midday, which is usually more expensive.

Related info for your journey

How long is the flight from Plymouth to London Heathrow Airport?

Can I find deals for flights from Plymouth to Heathrow that include hotel bookings?

How can I find direct flights from Plymouth to Heathrow?

Can I find deals for business class flights from Plymouth to Heathrow?

Travelling to a place near London Heathrow Airport?

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

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Complete your trip

Complete your trip to Heathrow by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to England

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Search flights from Plymouth to Heathrow by cabin class

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Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 21 September 2026.

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

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

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

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

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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 21 September 2026.

Best flights from Plymouth to Heathrow
Discover carefully curated flight deals from Plymouth to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 September 2026.

Last-minute flights from Plymouth to Heathrow
Discover last-minute flight deals from Plymouth to Heathrow. Data last updated 21 September 2026 and is based on user searches.

One-way flights from Plymouth to Heathrow
Search for one-way flight options from Plymouth to Heathrow. Find affordable one-way fares based on user searches. Data last updated 21 September 2026.