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Cheap flights from London Heathrow Airport to Patna from £421

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 1/1. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — PAT
11 Sep — 18 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Patna

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Patna
Explore the most affordable flight options available from Heathrow to Patna. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 August 2026.

Thu 17/920:15 -
1 stop17h 15m
Fri 25/918:35 -
1 stop28h 05m
Deal found 9/8£504
Thu 17/913:50 -
2 stops18h 35m
Fri 25/919:10 -
1 stop28h 20m
Deal found 9/8£511
Thu 24/913:50 -
2 stops18h 35m
Thu 1/1014:00 -
2 stops26h 00m
Deal found 10/8£559
Mon 26/1021:05 -
1 stop33h 55m
Wed 4/1110:25 -
1 stop15h 35m
Deal found 7/8£575
Thu 12/1121:05 -
1 stop31h 05m
Sun 29/1113:05 -
1 stop36h 55m
Deal found 10/8£674
Thu 12/1111:20 -
2 stops16h 05m
Sat 28/1110:25 -
1 stop15h 35m
Deal found 10/8£699
Wed 12/820:55 -
1 stop20h 10m
Sun 30/822:10 -
1 stop24h 05m
Deal found 10/8£710

Find flight deals from Heathrow to Patna

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Patna (PAT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 12 August 2026.

Round-trip from

£504

One-way from

£421

Popular in

August

Cheapest in

April

Average price

£911
IndiGo
  • IndiGo
  • 17/9-25/9
  • 2 total stops
  • 45h 20m total
  • London to Patna
Search Deals
1/1
  • 1/1
  • 2 total stops
  • 20h 45m total
  • London to Patna
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£71 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£15 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow to Patna 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 12 August 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Patna that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonPatna

LHR London Heathrow - PAT Patna

LHRPAT

London Heathrow

Thu 24/9

20:15-12:45

1 stop36h 00m

Patna

Thu 1/10

18:35-18:10

1 stop28h 05m

£504

LondonPatna

LHR London Heathrow - PAT Patna

LHRPAT

London Heathrow

Thu 24/9

13:50-12:55

2 stops18h 35m

Patna

Thu 1/10

15:20-11:30

1 stop24h 40m

£511

LondonPatna

LHR London Heathrow - PAT Patna

LHRPAT

London Heathrow

Thu 17/9

13:50-20:45

3 stops26h 25m

Patna

Fri 25/9

13:00-10:15

2 stops25h 45m

£583

LondonPatna

LHR London Heathrow - PAT Patna

LHRPAT

London Heathrow

Mon 26/10

21:05-12:30

1 stop33h 55m

Patna

Wed 4/11

16:55-11:05

2 stops23h 40m

£589

LondonPatna

LHR London Heathrow - PAT Patna

LHRPAT

London Heathrow

Thu 12/11

21:05-09:40

1 stop31h 05m

Patna

Sun 29/11

13:05-20:30

1 stop36h 55m

£674
Fastest return journey

LondonPatna

LHR London Heathrow - PAT Patna

LHRPAT

London Heathrow

Thu 12/11

22:00-18:30

1 stop15h 00m

Patna

Sat 28/11

10:25-20:30

1 stop15h 35m

£674

LondonPatna

LHR London Heathrow - PAT Patna

LHRPAT

London Heathrow

Thu 5/11

21:05-18:30

1 stop15h 55m

Patna

Mon 30/11

10:25-20:30

1 stop15h 35m

£739
Cheapest one-way

LondonPatna

LHR London Heathrow - PAT Patna

LHRPAT

London Heathrow

Tue 29/12

11:45-14:40

2 stops21h 25m

£441

LondonPatna

LHR London Heathrow - PAT Patna

LHRPAT

London Heathrow

Wed 30/12

06:25-10:30

3 stops22h 35m

£446

LondonPatna

LHR London Heathrow - PAT Patna

LHRPAT

London Heathrow

Fri 1/1

06:25-10:55

3 stops23h 00m

£449

Flights are sorted by cheapest return flights first.

Deals found on 12/8

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

Best time to book a flight from Heathrow to Patna

Have a flexible travel schedule? Discover the best time to fly to Patna 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 Patna

How far ahead should I book a flight from London Heathrow Airport to Patna?

The best time to book flights from London Heathrow Airport to Patna is 85 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, April is the cheapest month in which you can book a flight from London Heathrow Airport to Patna (average of £577). Flying from London Heathrow Airport to Patna in August is currently the most expensive (average of £911). 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.

Reviews of airlines servicing Patna

Get insights into the airlines that provide service to Patna. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Patna. Reviews last updated 12 August 2026.
Check out reviews from past customers who have flown with Virgin Atlantic,IndiGo, andAir India from London Heathrow Airport to Patna to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Virgin Atlantic
7.5
Good
694 reviews
Check prices

Food

6.9

Boarding

7.7

Crew

8.1

Comfort

7.3

Entertainment

7.5

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Virgin Atlantic
7.5
Good
694 reviews
Virgin Atlantic
7.5
Good
694 reviews
Check prices

Food

6.9

Boarding

7.7

Crew

8.1

Comfort

7.3

Entertainment

7.5

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
IndiGo
6.8
Okay
583 reviews
Virgin Atlantic
7.5
Good
694 reviews
Check prices

Food

6.9

Boarding

7.7

Crew

8.1

Comfort

7.3

Entertainment

7.5

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Air India
5.5
Fair
2,948 reviews
Virgin Atlantic
7.5
Good
694 reviews
Check prices

Food

6.9

Boarding

7.7

Crew

8.1

Comfort

7.3

Entertainment

7.5

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Patna. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    If you book a flight to Patna from London Heathrow, you will be flying to Patna, which is the city’s only airport. Patna (PAT) is located 1.8 mi from the center of Patna. There are 0 flights from London Heathrow to Patna per day from 3 different airlines.

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

    A quick flight from London Heathrow Airport to Patna can take about 18h 35m. IndiGo provides one of the quickest options available for as low as £511. London Heathrow Airport and Patna are separated by a distance of 4665 mi. This flight may include one or multiple stops.

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

    Flying on Air India is currently your cheapest option to Patna, with prices starting at £386. Additional return tickets that might be worth considering are offered by IndiGo and Virgin Atlantic, with the lowest prices starting at £489 and £558, respectively. Air India is 44% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Heathrow to Patna 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 London Heathrow Airport to Patna?

    Currently, April is the cheapest month in which you can book a flight from London Heathrow Airport to Patna (average of £577). Flying from London Heathrow Airport to Patna in August is currently the most expensive (average of £911). 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

Browse thousands of different options on Cheapflights for your next trip

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Complete your trip

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

Top 3 airlines flying from Heathrow to Patna

Discover the top 3 airlines that operate flights from Heathrow to Patna. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 12 August 2026.
AirlineCheapestAverageFlexibilityOn-time
Air IndiaCheapest£386Average£674FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
IndiGoCheapest£489Average£599FlexibilityNo cancel feeOn-time80%
Search IndiGo flights
Virgin AtlanticCheapest£558Average£621FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights

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 Heathrow to Patna?

Cheapflights helps you search for flights from Heathrow to Patna via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights simply makes it quick and affordable to book flights from Heathrow to Patna by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Heathrow to Patna flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Heathrow to Patna 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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