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Cheap flights from Louisiana to London from £203

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Louisiana to London departing on 4/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap return flights

Enter your travel dates to find the best prices.
Delta Logo
06:05 - 09:00SHV-LHR
20h 55m1 stop
Delta Logo
06:30 - 23:28LHR-SHV
22h 58m2 stops
£454Delta
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Mon, 1 Dec - Mon, 8 Dec
Delta Logo
14:21 - 07:50BTR-LHR
11h 29m1 stop
Delta Logo
06:30 - 21:53LHR-BTR
21h 23m2 stops
£454Delta
Find Deal
Mon, 1 Dec - Mon, 8 Dec
Scandinavian Airlines Logo
10:50 - 09:20MSY-LHR
16h 30m2 stops
Scandinavian Airlines Logo
06:40 - 23:16LHR-MSY
22h 36m2 stops
£457Scandinavian Airlines
Find Deal
Thu, 26 Feb - Sat, 7 Mar
Scandinavian Airlines Logo
11:10 - 09:20MSY-LHR
16h 10m2 stops
Scandinavian Airlines Logo
06:40 - 20:44LHR-MSY
20h 04m2 stops
£458Scandinavian Airlines
Find Deal
Thu, 26 Feb - Sat, 7 Mar
KLM Logo
16:59 - 11:40SHV-LHR
12h 41m1 stop
KLM Logo
15:50 - 23:28LHR-SHV
13h 38m1 stop
£476KLM
Find Deal
Mon, 1 Dec - Mon, 8 Dec
KLM Logo
14:21 - 07:50BTR-LHR
11h 29m1 stop
KLM Logo
12:30 - 19:57LHR-BTR
13h 27m1 stop
£476KLM
Find Deal
Mon, 1 Dec - Mon, 8 Dec
United Airlines Logo
16:08 - 10:15BTR-LHR
12h 07m1 stop
United Airlines Logo
06:35 - 13:18LHR-BTR
36h 43m2 stops
£477United Airlines
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Sat, 14 Feb - Sat, 21 Feb
United Airlines Logo
15:30 - 10:15BTR-LHR
12h 45m1 stop
United Airlines Logo
06:35 - 11:27LHR-BTR
34h 52m2 stops
£478United Airlines
Find Deal
Sun, 8 Feb - Sat, 21 Feb
Multiple Airlines Logo
14:32 - 07:50LFT-LHR
11h 18m1 stop
Multiple Airlines Logo
11:30 - 22:15LHR-LFT
16h 45m2 stops
£484Multiple Airlines
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Fri, 23 Jan - Sun, 1 Feb
Multiple Airlines Logo
14:21 - 10:30BTR-LHR
14h 09m2 stops
Multiple Airlines Logo
09:40 - 19:57LHR-BTR
16h 17m2 stops
£494Multiple Airlines
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Mon, 1 Dec - Mon, 8 Dec

Delta flights from Louisiana to London Heathrow Airport

Our best Delta deals on Louisiana to London Heathrow Airport flight tickets
Delta
11 Nov
LFT11:44Lafayette Regional
14h 06m
1 stop
LHR07:50London Heathrow
18 Nov
LHR09:00London Heathrow
19h 15m
2 stops
LFT22:15Lafayette Regional
£451
Find similar
Delta
10 Nov
BTR07:39Baton Rouge Ryan
16h 46m
1 stop
LHR06:25London Heathrow
18 Nov
LHR11:30London Heathrow
16h 22m
2 stops
BTR21:52Baton Rouge Ryan
£451
Find similar
Delta
1 Dec
SHV06:05Shreveport
20h 55m
1 stop
LHR09:00London Heathrow
8 Dec
LHR06:30London Heathrow
22h 58m
2 stops
SHV23:28Shreveport
£454
Find similar

KLM flights from Louisiana to London Heathrow Airport

Our best KLM deals on Louisiana to London Heathrow Airport flight tickets
KLM
10 Nov
BTR14:21Baton Rouge Ryan
11h 29m
1 stop
LHR07:50London Heathrow
18 Nov
LHR12:30London Heathrow
15h 22m
1 stop
BTR21:52Baton Rouge Ryan
£457
Find similar
KLM
1 Dec
SHV16:59Shreveport
12h 41m
1 stop
LHR11:40London Heathrow
8 Dec
LHR15:50London Heathrow
13h 38m
1 stop
SHV23:28Shreveport
£476
Find similar
KLM
8 Feb
BTR17:50Baton Rouge Ryan
11h 50m
1 stop
LHR11:40London Heathrow
21 Feb
LHR10:45London Heathrow
17h 19m
1 stop
BTR22:04Baton Rouge Ryan
£482
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Louisiana to London Heathrow Airport 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, momondo users made 279,928 searches. Data last updated 5 November 2025.
Use the filters below to find and compare flights from Louisiana to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ShreveportLondon

SHV - LHR

SHVLHR

Shreveport

Mon 1/12

06:05-09:00

1 stop20h 55m

London Heathrow

Mon 8/12

06:30-23:28

2 stops22h 58m

£454

Baton RougeLondon

BTR - LHR

BTRLHR

Baton Rouge Ryan

Mon 1/12

14:21-07:50

1 stop11h 29m

London Heathrow

Mon 8/12

06:30-21:53

2 stops21h 23m

£454

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Thu 26/2

10:50-09:20

2 stops16h 30m

London Heathrow

Sat 7/3

06:40-23:16

2 stops22h 36m

£457

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Thu 26/2

11:10-09:20

2 stops16h 10m

London Heathrow

Sat 7/3

06:40-20:44

2 stops20h 04m

£458

ShreveportLondon

SHV - LHR

SHVLHR

Shreveport

Mon 1/12

16:59-11:40

1 stop12h 41m

London Heathrow

Mon 8/12

15:50-23:28

1 stop13h 38m

£476

Baton RougeLondon

BTR - LHR

BTRLHR

Baton Rouge Ryan

Mon 1/12

14:21-07:50

1 stop11h 29m

London Heathrow

Mon 8/12

12:30-19:57

1 stop13h 27m

£476

Baton RougeLondon

BTR - LHR

BTRLHR

Baton Rouge Ryan

Sat 14/2

16:08-10:15

1 stop12h 07m

London Heathrow

Sat 21/2

06:35-13:18

2 stops36h 43m

£477

Baton RougeLondon

BTR - LHR

BTRLHR

Baton Rouge Ryan

Sun 8/2

15:30-10:15

1 stop12h 45m

London Heathrow

Sat 21/2

06:35-11:27

2 stops34h 52m

£478

LafayetteLondon

LFT - LHR

LFTLHR

Lafayette Regional

Fri 23/1

14:32-07:50

1 stop11h 18m

London Heathrow

Sun 1/2

11:30-22:15

2 stops16h 45m

£484

Baton RougeLondon

BTR - LHR

BTRLHR

Baton Rouge Ryan

Mon 1/12

14:21-10:30

2 stops14h 09m

London Heathrow

Mon 8/12

09:40-19:57

2 stops16h 17m

£494

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Louisiana to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

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

In general, October is the cheapest month to fly from Louisiana to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £536. The month of September is another great option to travel to London Heathrow Airport, with average flight prices from Louisiana averaging around £542.

What is the cheapest day to depart on your flight to London Heathrow Airport?

On average, the least expensive day to fly to London Heathrow Airport from Louisiana is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as £527. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Saturday is £1,157.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is at midday. momondo users have found flights departing from Louisiana to London Heathrow Airport at midday for as low as £565. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are £853 on average. Flights to London Heathrow Airport from Louisiana in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Louisiana to London Heathrow flight route?

Fly from New Orleans Louis Armstrong to London Heathrow for the best Louisiana - London Heathrow flight prices

How far in advance should I book a flight to London Heathrow Airport?

You are more likely to see cheaper flights to London Heathrow Airport from Louisiana when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £661 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Louisiana for as low as £520 on momondo.

What cabin class options are available on Louisiana to London Heathrow flights?

There are 3 cabin classes available to choose from on Louisiana to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Louisiana to London Heathrow Airport flights?

You could potentially save up to 24% on your flight if you consider stops on a Louisiana to London Heathrow Airport flight.

Cheap Louisiana to London Heathrow Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Louisiana to London Heathrow Airport

Best price found

£954

Fastest flight time

8h 40m

Direct flights

Wed, Thu, Fri, Sat and Sun
The best flight deal from Louisiana to London Heathrow Airport found on momondo in the last 72 hours is £954
The fastest flight from Louisiana to London Heathrow Airport takes 8h 40m
Direct flights go from Louisiana to London Heathrow Airport on Wednesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights..
Search flight deals

  • When did momondo last update prices for flights from Louisiana to London Heathrow Airport?

    Prices for flights from Louisiana to London Heathrow Airport refresh daily.

  • How many operators does momondo search for flights from Louisiana to London Heathrow Airport?

  • How old do you have to be to fly from Louisiana to London Heathrow Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Louisiana to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The travel and health documents you'll need for your trip to London Heathrow Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Heathrow Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Louisiana to London Heathrow Airport?

Best airlines flying from Louisiana to London Heathrow Airport

Compare and see reviews for airlines that fly from Louisiana to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom £501Free CancellationRating
6.7
7,496 reviews
Search British Airways flights

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Why use momondo?

Why should I use momondo to find a flight deal from Louisiana to London?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Louisiana to London for you.

Can I find flights from Louisiana to London with flexible booking policies on momondo?

Yes. All flights to London from Louisiana on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Louisiana to London?

Once all potential Louisiana to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Louisiana to London right now. Can momondo alert me if prices change?

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Louisiana and alert you when they change.

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