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 time of day to fly from GMP to LHR?

When flying from Seoul Gimpo Intl Airport to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

Yes. In addition to deals on Gimpo Intl to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Gimpo Intl to Heathrow?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Gimpo Intl to Heathrow.

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

Yes. Cheapflights offers flight deals from Gimpo Intl 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.

£181+ Flights from Seoul Gimpo Intl Airport to London Heathrow Airport

Find flight deals from Gimpo Intl to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Gimpo Intl to Heathrow
Explore the most affordable flight options available from Gimpo Intl to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 October 2025.

Sat 15/1114:25GMP - LHR

1 stop36h 25mMultiple Airlines

Fri 21/1121:30LHR - GMP

1 stop29h 55mMultiple Airlines

Deal found 22/10£409

Fri 14/1114:25GMP - LHR

1 stop36h 25mMultiple Airlines

Fri 21/1121:30LHR - GMP

1 stop29h 55mMultiple Airlines

Deal found 21/10£410

Tue 4/1114:25GMP - LHR

1 stop34h 30mAir China

Fri 28/1117:40LHR - GMP

1 stop34h 25mAir China

Deal found 23/10£411

Sun 16/1114:25GMP - LHR

1 stop34h 30mAir China

Mon 17/1120:25LHR - GMP

1 stop31h 40mAir China

Deal found 22/10£412

Thu 27/1114:25GMP - LHR

1 stop34h 30mAir China

Sat 29/1120:25LHR - GMP

1 stop31h 40mAir China

Deal found 21/10£415

Thu 20/1113:30GMP - LHR

1 stop37h 25mChina Southern

Thu 27/1121:30LHR - GMP

1 stop29h 55mChina Southern

Deal found 20/10£418

Tue 18/1114:25GMP - LHR

1 stop34h 30mAir China

Wed 26/1120:25LHR - GMP

1 stop31h 40mAir China

Deal found 22/10£419

Fri 21/1114:25GMP - LHR

1 stop34h 30mMultiple Airlines

Fri 28/1121:30LHR - GMP

1 stop29h 55mMultiple Airlines

Deal found 20/10£420

Sun 23/1114:25GMP - LHR

1 stop36h 25mAir China

Sun 7/1220:25LHR - GMP

1 stop31h 40mAir China

Deal found 22/10£423

Tue 18/1114:25GMP - LHR

1 stop34h 30mAir China

Tue 25/1120:25LHR - GMP

1 stop31h 40mAir China

Deal found 20/10£424

Wed 5/1114:25GMP - LHR

1 stop34h 30mAir China

Sun 9/1120:25LHR - GMP

1 stop31h 40mAir China

Deal found 22/10£425

Best flights from Gimpo Intl to Heathrow
Discover carefully curated flight deals from Gimpo Intl to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 24 October 2025.

Sat 15/1114:25GMP - LHR

1 stop36h 25mMultiple Airlines

Fri 21/1121:30LHR - GMP

1 stop29h 55mMultiple Airlines

Deal found 22/10£409

Thu 27/1114:25GMP - LHR

1 stop34h 30mAir China

Sat 29/1120:25LHR - GMP

1 stop31h 40mAir China

Deal found 21/10£415

Wed 17/1213:30GMP - LHR

1 stop37h 25mChina Southern

Mon 22/1221:30LHR - GMP

1 stop29h 55mChina Southern

Deal found 21/10£530

Sun 23/1114:25GMP - LHR

1 stop36h 25mAir China

Sun 7/1220:25LHR - GMP

1 stop31h 40mAir China

Deal found 22/10£423

Mon 17/1114:25GMP - LHR

1 stop34h 30mMultiple Airlines

Wed 26/1121:30LHR - GMP

1 stop29h 55mMultiple Airlines

Deal found 23/10£430

Wed 19/1114:25GMP - LHR

1 stop34h 30mAir China

Fri 21/1120:25LHR - GMP

1 stop31h 40mAir China

Deal found 21/10£476

Fri 19/1214:25GMP - LHR

1 stop34h 30mMultiple Airlines

Mon 19/121:30LHR - GMP

1 stop29h 55mMultiple Airlines

Deal found 23/10£496

Sat 22/1114:25GMP - LHR

1 stop34h 30mAir China

Sat 29/1120:25LHR - GMP

1 stop31h 40mAir China

Deal found 21/10£488

Tue 2/1214:25GMP - LHR

1 stop36h 25mMultiple Airlines

Mon 8/1221:30LHR - GMP

1 stop29h 55mMultiple Airlines

Deal found 22/10£507

Mon 2/314:25GMP - LHR

1 stop36h 25mAir China

Wed 11/317:40LHR - GMP

1 stop34h 25mAir China

Deal found 22/10£500

Wed 24/1214:25GMP - LHR

1 stop34h 30mAir China

Sat 3/117:40LHR - GMP

1 stop34h 25mAir China

Deal found 22/10£553

Sat 13/1214:25GMP - LHR

1 stop36h 25mAir China

Sun 21/1217:40LHR - GMP

1 stop34h 25mAir China

Deal found 21/10£556

Last-minute flights from Gimpo Intl to Heathrow
Discover last-minute flight deals from Gimpo Intl to Heathrow. Data last updated 24 October 2025 and is based on user searches.

Tue 4/1114:25GMP - LHR

1 stop34h 30mAir China

Fri 28/1117:40LHR - GMP

1 stop34h 25mAir China

Deal found 23/10£411

Wed 5/1114:25GMP - LHR

1 stop34h 30mAir China

Sun 9/1120:25LHR - GMP

1 stop31h 40mAir China

Deal found 22/10£425

Thu 6/1114:25GMP - LHR

1 stop34h 30mMultiple Airlines

Mon 10/1121:30LHR - GMP

1 stop29h 55mMultiple Airlines

Deal found 23/10£431

Fri 14/1114:25GMP - LHR

1 stop36h 25mMultiple Airlines

Fri 21/1121:30LHR - GMP

1 stop29h 55mMultiple Airlines

Deal found 21/10£410

Sat 15/1114:25GMP - LHR

1 stop36h 25mMultiple Airlines

Fri 21/1121:30LHR - GMP

1 stop29h 55mMultiple Airlines

Deal found 22/10£409

Sun 16/1114:25GMP - LHR

1 stop34h 30mAir China

Mon 17/1120:25LHR - GMP

1 stop31h 40mAir China

Deal found 22/10£412

Mon 17/1114:25GMP - LHR

1 stop34h 30mMultiple Airlines

Wed 26/1121:30LHR - GMP

1 stop29h 55mMultiple Airlines

Deal found 23/10£430

Tue 18/1114:25GMP - LHR

1 stop34h 30mAir China

Wed 26/1120:25LHR - GMP

1 stop31h 40mAir China

Deal found 22/10£419

Wed 19/1114:25GMP - LHR

1 stop36h 25mMultiple Airlines

Wed 26/1121:30LHR - GMP

1 stop29h 55mMultiple Airlines

Deal found 21/10£420

Wed 19/1114:25GMP - LHR

1 stop36h 25mMultiple Airlines

Fri 21/1121:30LHR - GMP

1 stop29h 55mMultiple Airlines

Deal found 21/10£433

Fri 21/1114:25GMP - LHR

1 stop36h 25mAir China

Fri 28/1117:40LHR - GMP

1 stop34h 25mAir China

Deal found 22/10£459

Sun 23/1114:25GMP - LHR

1 stop36h 25mAir China

Sun 7/1220:25LHR - GMP

1 stop31h 40mAir China

Deal found 22/10£423

One-way flights from Gimpo Intl to Heathrow
Search for one-way flight options from Gimpo Intl to Heathrow. Find affordable one-way fares based on user searches. Data last updated 24 October 2025.

Tue 18/1114:35GMP - LHR

2 stops35h 55mMultiple Airlines

Deal found 20/10£181

Mon 19/114:25GMP - LHR

1 stop34h 30mAir China

Deal found 21/10£190

Sun 9/1114:25GMP - LHR

1 stop36h 25mAir China

Deal found 22/10£190

Sat 17/120:50GMP - LHR

1 stop29h 40mChina Eastern

Deal found 21/10£196

Thu 20/1114:50GMP - LHR

2 stops35h 40mMultiple Airlines

Deal found 21/10£198

Sat 22/1114:25GMP - LHR

2 stops32h 00mMultiple Airlines

Deal found 23/10£212

Tue 28/1014:50GMP - LHR

2 stops35h 40mMultiple Airlines

Deal found 23/10£215

Mon 2/314:25GMP - LHR

1 stop34h 30mAir China

Deal found 21/10£227

Mon 3/1114:25GMP - LHR

1 stop36h 25mAir China

Deal found 23/10£235

Cheap flight deals from Gimpo Intl to Heathrow

Round-trip from	£409
One-way from	£181
Popular in	October
Cheapest in	December
Average price	£852

China Southern
15/11-21/11
2 total stops
66h 20m total
Seoul to London

Search Deals

18/11
2 total stops
35h 55m total
Seoul to London

Search Deals

Highest demand for flights based on searches. 12% potential increase in price (£64 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£19 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2025

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Sat 15/11

14:25-17:50

1 stop36h 25m

London Heathrow

Fri 21/11

21:30-12:25

1 stop29h 55m

£409

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Thu 27/11

14:25-15:55

1 stop34h 30m

London Heathrow

Sat 29/11

20:25-13:05

1 stop31h 40m

£415

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Sun 23/11

14:25-17:50

1 stop36h 25m

London Heathrow

Sun 7/12

20:25-13:05

1 stop31h 40m

£423

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Mon 17/11

14:25-15:55

1 stop34h 30m

London Heathrow

Wed 26/11

21:30-12:25

1 stop29h 55m

£430

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Wed 19/11

14:25-15:55

1 stop34h 30m

London Heathrow

Fri 21/11

20:25-13:05

1 stop31h 40m

£476

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Sat 22/11

14:25-15:55

1 stop34h 30m

London Heathrow

Sat 29/11

20:25-13:05

1 stop31h 40m

£488

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Fri 19/12

14:25-15:55

1 stop34h 30m

London Heathrow

Mon 19/1

21:30-12:25

1 stop29h 55m

£496

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Mon 2/3

14:25-17:50

1 stop36h 25m

London Heathrow

Wed 11/3

17:40-13:05

1 stop34h 25m

£500

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Tue 2/12

14:25-17:50

1 stop36h 25m

London Heathrow

Mon 8/12

21:30-12:25

1 stop29h 55m

£507

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Wed 17/12

13:30-17:55

1 stop37h 25m

London Heathrow

Mon 22/12

21:30-12:25

1 stop29h 55m

£530

Flights are sorted by cheapest return flights first.

Deals found on 23/10

Showing 1-10 of 21 results

Best time to book a flight from Gimpo Intl to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Gimpo Intl 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 Seoul Gimpo Intl Airport to London Heathrow Airport

How often are flights from Seoul to London delayed?

About 0% of weekly flights between Seoul and London have experienced delays in the past year, with the average delay time being 0 minutes.

What is the most punctual flight time for Seoul to London flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Monday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Seoul to London flights?

Over the past year, Korean Air have had the lowest number of delays on this route, with no flights being classified as delayed.

Related info for your journey

How long is the flight from Seoul Gimpo Intl Airport to London Heathrow Airport?
Airlines like Air China fly from Seoul Gimpo Intl Airport to London Heathrow Airport in about 34h 30m. The time it takes to get you to your destination can typically vary by up to . The distance from Seoul Gimpo Intl Airport to London Heathrow Airport is about 5506 mi.
Can I find deals for flights from Gimpo Intl to Heathrow that include hotel bookings?
Yes. In addition to deals on Gimpo Intl to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Gimpo Intl to Heathrow?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Gimpo Intl to Heathrow.
Can I find deals for business class flights from Gimpo Intl to Heathrow?
Yes. Cheapflights offers flight deals from Gimpo Intl 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

Milton Keynes

Croydon

Slough

Gatwick

Hounslow

Northampton

Luton

Wembley

Ilford

Deal

Hayes

Colchester

Watford

Crawley

Winchester

Swindon

Chichester

Romford

Ipswich

Bedford

Browse thousands of different options on Cheapflights for your next trip

Fly with Cheapflights

How does Cheapflights help users find flights from Gimpo Intl to Heathrow?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Gimpo Intl to Heathrow. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Gimpo Intl 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 Gimpo Intl to Heathrow with no change fees?

Yes, we can. To see specific flights from Gimpo Intl 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 Gimpo Intl to Heathrow become cheaper?

Yes, Cheapflights offers price alerts on Gimpo Intl to Heathrow flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Seoul Gimpo Intl Airport to London Heathrow Airport from £181

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 18/11. Fares are subject to change and may not be available on all flights or dates of travel.

Find flight deals from Gimpo Intl to Heathrow

Cheapest flights from Gimpo Intl to HeathrowExplore the most affordable flight options available from Gimpo Intl to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 October 2025.

Explore the most affordable flight options available from Gimpo Intl to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 October 2025.

Cheap flight deals from Gimpo Intl to Heathrow

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

Best time to book a flight from Gimpo Intl to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Gimpo Intl with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Seoul Gimpo Intl Airport to London Heathrow Airport

How often are flights from Seoul to London delayed?

What is the most punctual flight time for Seoul to London flights?

What day of the week experiences the fewest flight delays on this route?

Which airline has the best punctuality record on Seoul to London flights?

Related info for your journey

Find useful and relevant information for your journey from Gimpo Intl 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 Seoul Gimpo Intl Airport to London Heathrow Airport?

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

How can I find direct flights from Gimpo Intl to Heathrow?

Can I find deals for business class flights from Gimpo Intl 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 Gimpo Intl to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.

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 Gimpo Intl to Heathrow?

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

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

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

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Gimpo Intl to Heathrow
Explore the most affordable flight options available from Gimpo Intl to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 October 2025.