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).

What is the cheapest month to fly from Plymouth to London Heathrow Airport?

Our data shows that January tends to be the cheapest month to fly to London Heathrow Airport from Plymouth. Users have commonly found prices around £328 for the month, but tickets can be as low as £255. Due to multiple factors, prepare for potentially higher prices in September.

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.

£132+ Flights from Plymouth to London Heathrow Airport

Cheap flight deals from Plymouth to Heathrow

Round-trip from	£252
One-way from	£132
Popular in	March
Cheapest in	January
Average price	£365

KLM
23/8-29/8
2 total stops
10h 30m total
Plymouth to London

Search Deals

12/8
1 total stop
8h 40m total
Plymouth to London

Search Deals

Highest demand for flights based on searches. 20% potential increase in price (£72 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 9% potential price decrease (£26 potential savings vs. average return price).

Search Deals

Average for round-trip flights in July 2025

Search Deals

Find flight deals from Plymouth to Heathrow

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 11 July 2025.

Sat 23/817:15EXT - LHR

1 stop3h 40mKLM

Fri 29/809:55LHR - EXT

1 stop6h 50mKLM

Deal found 9/7£252

Fri 28/1115:00EXT - LHR

1 stop5h 55mBritish Airways

Sun 30/1106:50LHR - EXT

1 stop10h 45mBritish Airways

Deal found 10/7£271

Wed 6/808:00EXT - LHR

2 stops12h 05mMultiple Airlines

Wed 13/807:40LHR - EXT

1 stop4h 05mMultiple Airlines

Deal found 9/7£298

Fri 22/813:05EXT - LHR

1 stop7h 15mAer Lingus

Mon 25/821:10LHR - EXT

1 stop14h 35mAer Lingus

Deal found 9/7£316

Thu 21/813:25EXT - LHR

3 stops28h 20mLoganair

Thu 28/809:45LHR - EXT

3 stops27h 05mLoganair

Deal found 9/7£1,298

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 11 July 2025.

Sat 23/817:15EXT - LHR

1 stop3h 40mKLM

Fri 29/809:55LHR - EXT

1 stop6h 50mKLM

Deal found 9/7£252

Fri 28/1115:00EXT - LHR

1 stop5h 55mBritish Airways

Sun 30/1106:50LHR - EXT

1 stop10h 45mBritish Airways

Deal found 10/7£271

Wed 6/808:00EXT - LHR

2 stops12h 05mMultiple Airlines

Wed 13/807:40LHR - EXT

1 stop4h 05mMultiple Airlines

Deal found 9/7£298

Fri 22/813:05EXT - LHR

1 stop7h 15mAer Lingus

Mon 25/821:10LHR - EXT

1 stop14h 35mAer Lingus

Deal found 9/7£316

Thu 21/813:25EXT - LHR

3 stops28h 20mLoganair

Thu 28/809:45LHR - EXT

3 stops27h 05mLoganair

Deal found 9/7£1,298

Last-minute flights from Plymouth to Heathrow
Discover last-minute flight deals from Plymouth to Heathrow. Data last updated 11 July 2025 and is based on user searches.

Wed 6/808:00EXT - LHR

2 stops12h 05mMultiple Airlines

Wed 13/807:40LHR - EXT

1 stop4h 05mMultiple Airlines

Deal found 9/7£298

Thu 21/813:25EXT - LHR

3 stops28h 20mLoganair

Thu 28/809:45LHR - EXT

3 stops27h 05mLoganair

Deal found 9/7£1,298

Fri 22/813:05EXT - LHR

1 stop7h 15mAer Lingus

Mon 25/821:10LHR - EXT

1 stop14h 35mAer Lingus

Deal found 9/7£316

Sat 23/817:15EXT - LHR

1 stop3h 40mKLM

Fri 29/809:55LHR - EXT

1 stop6h 50mKLM

Deal found 9/7£252

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 11 July 2025.

Tue 12/813:00EXT - LHR

1 stop8h 40mMultiple Airlines

Deal found 10/7£132

Sun 24/816:05EXT - LHR

1 stop25h 25mBritish Airways

Deal found 10/7£239

Sun 24/811:55EXT - LHR

3 stops29h 50mLoganair

Deal found 10/7£654

Cheapflights Fare Finder

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

ExeterLondon

EXT - LHR

EXTLHR

Exeter

Sat 23/8

17:15-20:55

1 stop3h 40m

London Heathrow

Fri 29/8

09:55-16:45

1 stop6h 50m

£252

ExeterLondon

EXT - LHR

EXTLHR

Exeter

Fri 28/11

15:00-20:55

1 stop5h 55m

London Heathrow

Sun 30/11

06:50-17:35

1 stop10h 45m

£271

ExeterLondon

EXT - LHR

EXTLHR

Exeter

Wed 6/8

08:00-20:05

2 stops12h 05m

London Heathrow

Wed 13/8

07:40-11:45

1 stop4h 05m

£298

ExeterLondon

EXT - LHR

EXTLHR

Exeter

Fri 22/8

13:05-20:20

1 stop7h 15m

London Heathrow

Mon 25/8

21:10-11:45

1 stop14h 35m

£316

ExeterLondon

EXT - LHR

EXTLHR

Exeter

Thu 21/8

13:25-17:45

3 stops28h 20m

London Heathrow

Thu 28/8

09:45-12:50

3 stops27h 05m

£1,298

ExeterLondon

EXT - LHR

EXTLHR

Exeter

Tue 12/8

13:00-21:40

1 stop8h 40m

£132

ExeterLondon

EXT - LHR

EXTLHR

Exeter

Sun 24/8

16:05-17:30

1 stop25h 25m

£239

ExeterLondon

EXT - LHR

EXTLHR

Exeter

Sun 24/8

11:55-17:45

3 stops29h 50m

£654

Flights are sorted by cheapest return flights first.

Deals found on 10/7

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, January is the cheapest month in which you can book a flight from Plymouth to London Heathrow Airport (average of £112). Flying from Plymouth to London Heathrow Airport in August is currently the most expensive (average of £164). 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?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Plymouth to London Heathrow Airport as you normally would.

What is the cheapest day to fly from Plymouth to London Heathrow Airport?

Travellers seeking maximum savings on their Plymouth to London Heathrow Airport flight should consider departing on Thursday at midday when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Heathrow

See what other customers who have flown with KLM, Aer Lingus, andBritish 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

1,372 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

KLM

7.8

Good

1,372 reviews

KLM

7.8

Good

1,372 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Aer Lingus

7.1

Good

1,154 reviews

KLM

7.8

Good

1,372 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

British Airways

6.6

Okay

7,109 reviews

KLM

7.8

Good

1,372 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Related info for your journey

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, January is the cheapest month in which you can book a flight from Plymouth to London Heathrow Airport (average of £112). Flying from Plymouth to London Heathrow Airport in August is currently the most expensive (average of £164). 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

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Deal

Northampton

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Ilford

Hayes

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Southend-on-Sea

Watford

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Swindon

Maidstone

Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from Plymouth to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
KLM	Cheapest£221	Average£387	FlexibilityNo cancel fee	On-time75%	Search KLM flights
British Airways	Cheapest£265	Average£329	FlexibilityNo cancel fee	On-time70%	Search British Airways flights

Fly with Cheapflights

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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Cheap flights from Plymouth to London Heathrow Airport from £132

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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Plymouth to Heathrow

Keep the following information in mind while searching for Plymouth to Heathrow flight deals. Data was last updated 11 July 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find 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 11 July 2025.

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 11 July 2025.

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

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?

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 11 July 2025.

What is the cheapest day to fly from Plymouth to London Heathrow Airport?

Use this chart to determine the cheapest time to fly return from Plymouth to Heathrow. Price data was last updated on 6 July 2025.

Reviews of airlines servicing Heathrow

See what other customers who have flown with KLM, Aer Lingus, andBritish 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.

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.

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?

What is the cheapest month to book a flight from Plymouth to London Heathrow Airport?

Travelling to a place near Plymouth?

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.

Top 2 airlines flying from Plymouth to Heathrow

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?

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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Travel Smart

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 11 July 2025.