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Cheap flights from London Heathrow Airport to Dehradun from £303

LHR — DED
22 Oct — 29 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Dehradun

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Dehradun

Sat 31/1008:45 -
1 stop20h 05m
Sat 7/1110:50 -
1 stop14h 00m
Deal found 18/9£490
Tue 3/1121:05 -
1 stop31h 45m
Tue 10/1110:50 -
1 stop14h 00m
Deal found 19/9£491
Thu 5/1108:45 -
1 stop20h 05m
Thu 12/1110:50 -
1 stop15h 10m
Deal found 21/9£492
Tue 20/1022:10 -
1 stop17h 10m
Tue 27/1010:50 -
1 stop14h 00m
Deal found 19/9£495
Thu 19/1108:45 -
1 stop20h 05m
Fri 11/1210:50 -
1 stop14h 00m
Deal found 18/9£505
Mon 2/1108:45 -
2 stops24h 10m
Mon 9/1110:50 -
1 stop30h 10m
Deal found 18/9£515

Find flight deals from Heathrow to Dehradun

Round-trip from

£490

One-way from

£303

Popular in

March

Cheapest in

January

Average price

£525
Air India
  • Air India
  • 31/10-7/11
  • 2 total stops
  • 34h 05m total
  • London to Dehradun
Search Deals
Air India
  • Air India
  • 5/3-31/12
  • 1 total stop
  • 31h 35m total
  • London to Dehradun
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£68 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£29 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonDehradun

LHR London Heathrow - DED Dehra Dun

LHRDED

London Heathrow

Fri 5/3

21:05-10:10

1 stop31h 35m

Dehra Dun

Wed 31/12

00:00-19:30

Nonstop0h 00m

£303

LondonDehradun

LHR London Heathrow - DED Dehra Dun

LHRDED

London Heathrow

Thu 21/1

09:05-19:30

2 stops28h 55m

Dehra Dun

Wed 31/12

00:00-19:30

Nonstop0h 00m

£367

LondonDehradun

LHR London Heathrow - DED Dehra Dun

LHRDED

London Heathrow

Fri 22/1

12:30-19:30

1 stop25h 30m

Dehra Dun

Wed 31/12

00:00-19:30

Nonstop0h 00m

£388
Fastest return journey

LondonDehradun

LHR London Heathrow - DED Dehra Dun

LHRDED

London Heathrow

Fri 5/3

10:20-13:50

3 stops22h 00m

Dehra Dun

Wed 31/12

00:00-19:30

Nonstop0h 00m

£413

LondonDehradun

LHR London Heathrow - DED Dehra Dun

LHRDED

London Heathrow

Mon 2/11

13:00-10:20

1 stop15h 50m

Dehra Dun

Mon 9/11

10:50-20:30

1 stop15h 10m

£490

LondonDehradun

LHR London Heathrow - DED Dehra Dun

LHRDED

London Heathrow

Sat 31/10

08:45-10:20

1 stop20h 05m

Dehra Dun

Sat 7/11

10:50-19:20

1 stop14h 00m

£490

LondonDehradun

LHR London Heathrow - DED Dehra Dun

LHRDED

London Heathrow

Thu 19/11

08:45-10:20

1 stop20h 05m

Dehra Dun

Fri 11/12

10:50-19:20

1 stop14h 00m

£507

LondonDehradun

LHR London Heathrow - DED Dehra Dun

LHRDED

London Heathrow

Tue 20/10

22:10-19:50

1 stop17h 10m

Dehra Dun

Tue 27/10

10:45-11:30

2 stops30h 15m

£512

LondonDehradun

LHR London Heathrow - DED Dehra Dun

LHRDED

London Heathrow

Tue 3/11

22:00-10:20

1 stop30h 50m

Dehra Dun

Tue 10/11

10:45-11:05

2 stops29h 50m

£559

LondonDehradun

LHR London Heathrow - DED Dehra Dun

LHRDED

London Heathrow

Sat 31/10

22:00-14:25

2 stops34h 55m

Dehra Dun

Fri 6/11

10:45-18:55

2 stops37h 40m

£567

Flights are sorted by cheapest return flights first.

Deals found on 21/9

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

Best time to book a flight from Heathrow to Dehradun

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

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Dehradun

How much does it cost for a return flight from London Heathrow Airport to Dehradun?

Airfare is below average for this route at the moment.

London Heathrow Airport to Dehradun flights typically cost between £570 and £636 in October.
The cheapest return price found within the last 5 days was £490 on Air India (31 Oct–7 Nov).

Reviews of airlines servicing Dehradun

Read through reviews of airlines operating flights from London Heathrow Airport to Dehradun, such as IndiGo and Air India. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
IndiGo
6.8
Okay
582 reviews
Check prices

Crew

7.3

Overall

6.8

Entertainment

5.6

Boarding

6.9

Food

6.2

Comfort

6.8

Reviews

1 / 20
6.0
Good

Narasimha V Prasad,Jul 2026

HYD - TIR

Boarding got delayed due to server down but the flight departure timing didn’t change they hurried us though no fault of ours
IndiGo
6.8
Okay
582 reviews
IndiGo
6.8
Okay
582 reviews
Check prices

Crew

7.3

Overall

6.8

Entertainment

5.6

Boarding

6.9

Food

6.2

Comfort

6.8

Reviews

1 / 20
6.0
Good

Narasimha V Prasad,Jul 2026

HYD - TIR

Boarding got delayed due to server down but the flight departure timing didn’t change they hurried us though no fault of ours
Air India
5.5
Fair
2,917 reviews
IndiGo
6.8
Okay
582 reviews
Check prices

Crew

7.3

Overall

6.8

Entertainment

5.6

Boarding

6.9

Food

6.2

Comfort

6.8

Reviews

1 / 20
6.0
Good

Narasimha V Prasad,Jul 2026

HYD - TIR

Boarding got delayed due to server down but the flight departure timing didn’t change they hurried us though no fault of ours

Related info for your journey

  • What airport do you fly into for flights to Dehradun from London Heathrow?

    Dehra Dun (DED), located 12.8 mi from the city center, is the airport you fly into when you book flights from London Heathrow to Dehradun. 2 airlines have flights to Dehra Dun from London Heathrow on a regular basis. Booking flights from London Heathrow to Dehra Dun should not be difficult; the airport handles an average of 0 inbound flights from London Heathrow per day.

  • How long is the flight from London Heathrow Airport to Dehradun?

    Air India can get you from London Heathrow Airport to Dehradun in just under 15h 50m. Your travel time can differ by up to . Airlines will cover a distance of 4145 mi.

  • What are the cheapest airlines flying from London Heathrow Airport to Dehradun round-trip?

    Air India, at £489, was found to be the cheapest airline from London Heathrow Airport to Dehradun. An alternate airline flying to your destination would be IndiGo. These flights start at 28% lower than the current average price 3 months from now.

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

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

  • How can I find direct flights from Heathrow to Dehradun?

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

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

    Yes. Cheapflights offers flight deals from Heathrow to Dehradun 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 Dehradun?

Book flights to Dehradun if you plan to visit one of these locations
Rishikesh
Haridwar

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Complete your trip

Dehradun car hire
Dehra Dun Airport car hire

Top 2 airlines flying from Heathrow to Dehradun

AirlineCheapestAverageFlexibilityOn-time
Air IndiaCheapest£489Average£657FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
IndiGoCheapest£526Average£792FlexibilityNo cancel feeOn-time80%
Search IndiGo flights

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When you search for this flight from Heathrow to Dehradun, 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.

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