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Cheap flights from Louisiana to London from £199

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 5/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap return flights

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Delta Logo
10:32 - 09:00BTR-LHR
16h 28m1 stop
Delta Logo
06:30 - 22:03LHR-BTR
21h 33m2 stops
£455Delta
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Wed, 7 Jan - Tue, 13 Jan
Delta Logo
06:18 - 06:20BTR-LHR
18h 02m2 stops
Delta Logo
06:30 - 22:03LHR-BTR
21h 33m2 stops
£458Delta
Find Deal
Wed, 7 Jan - Tue, 13 Jan
Multiple Airlines Logo
14:19 - 11:40BTR-LHR
15h 21m1 stop
Multiple Airlines Logo
08:55 - 22:03LHR-BTR
19h 08m1 stop
£460Multiple Airlines
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Wed, 7 Jan - Tue, 13 Jan
United Airlines Logo
16:08 - 10:15BTR-LHR
12h 07m1 stop
United Airlines Logo
06:35 - 21:32LHR-BTR
20h 57m2 stops
£476United Airlines
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Fri, 13 Feb - Sat, 21 Feb
Delta Logo
11:21 - 06:25LFT-LHR
13h 04m1 stop
Delta Logo
08:40 - 22:15LHR-LFT
19h 35m2 stops
£476Delta
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Fri, 23 Jan - Mon, 2 Feb
Scandinavian Airlines Logo
10:50 - 21:40MSY-LHR
28h 50m2 stops
Scandinavian Airlines Logo
06:40 - 23:16LHR-MSY
22h 36m2 stops
£478Scandinavian Airlines
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Thu, 26 Feb - Mon, 2 Mar
United Airlines Logo
18:07 - 07:10BTR-LHR
31h 03m2 stops
United Airlines Logo
14:30 - 21:32LHR-BTR
37h 02m2 stops
£480United Airlines
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Fri, 13 Feb - Sun, 22 Feb
Lufthansa Logo
15:42 - 10:15MSY-LHR
12h 33m1 stop
Lufthansa Logo
07:40 - 18:08LHR-MSY
16h 28m2 stops
£495Lufthansa
Find Deal
Tue, 30 Dec - Tue, 13 Jan
Lufthansa Logo
15:59 - 10:15MSY-LHR
12h 16m1 stop
Lufthansa Logo
07:40 - 18:08LHR-MSY
16h 28m2 stops
£500Lufthansa
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Wed, 7 Jan - Wed, 14 Jan
Multiple Airlines Logo
13:03 - 19:25SHV-LHR
24h 22m2 stops
Multiple Airlines Logo
19:40 - 21:52LHR-SHV
32h 12m2 stops
£508Multiple Airlines
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Tue, 24 Feb - Mon, 2 Mar

Delta flights from Louisiana to London Heathrow Airport

Our best Delta deals on Louisiana to London Heathrow Airport flight tickets
Delta
7 Jan
BTR10:32Baton Rouge Ryan
16h 28m
1 stop
LHR09:00London Heathrow
13 Jan
LHR06:30London Heathrow
21h 33m
2 stops
BTR22:03Baton Rouge Ryan
£455
Find similar
Delta
7 Jan
BTR06:18Baton Rouge Ryan
18h 02m
2 stops
LHR06:20London Heathrow
13 Jan
LHR06:30London Heathrow
21h 33m
2 stops
BTR22:03Baton Rouge Ryan
£458
Find similar
Delta
23 Jan
LFT11:21Lafayette Regional
13h 04m
1 stop
LHR06:25London Heathrow
2 Feb
LHR08:40London Heathrow
19h 35m
2 stops
LFT22:15Lafayette Regional
£476
Find similar

United Airlines flights from Louisiana to London Heathrow Airport

Our best United Airlines deals on Louisiana to London Heathrow Airport flight tickets
United Airlines
13 Feb
BTR16:08Baton Rouge Ryan
12h 07m
1 stop
LHR10:15London Heathrow
21 Feb
LHR06:35London Heathrow
20h 57m
2 stops
BTR21:32Baton Rouge Ryan
£476
Find similar
United Airlines
13 Feb
BTR18:07Baton Rouge Ryan
31h 03m
2 stops
LHR07:10London Heathrow
22 Feb
LHR14:30London Heathrow
37h 02m
2 stops
BTR21:32Baton Rouge Ryan
£480
Find similar
United Airlines
13 Feb
BTR12:14Baton Rouge Ryan
16h 36m
2 stops
LHR10:50London Heathrow
21 Feb
LHR07:30London Heathrow
20h 02m
2 stops
BTR21:32Baton Rouge Ryan
£487
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 14 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

Baton RougeLondon

BTR - LHR

BTRLHR

Baton Rouge Ryan

Wed 7/1

10:32-09:00

1 stop16h 28m

London Heathrow

Tue 13/1

06:30-22:03

2 stops21h 33m

£455

Baton RougeLondon

BTR - LHR

BTRLHR

Baton Rouge Ryan

Wed 7/1

06:18-06:20

2 stops18h 02m

London Heathrow

Tue 13/1

06:30-22:03

2 stops21h 33m

£458

Baton RougeLondon

BTR - LHR

BTRLHR

Baton Rouge Ryan

Wed 7/1

14:19-11:40

1 stop15h 21m

London Heathrow

Tue 13/1

08:55-22:03

1 stop19h 08m

£460

Baton RougeLondon

BTR - LHR

BTRLHR

Baton Rouge Ryan

Fri 13/2

16:08-10:15

1 stop12h 07m

London Heathrow

Sat 21/2

06:35-21:32

2 stops20h 57m

£476

LafayetteLondon

LFT - LHR

LFTLHR

Lafayette Regional

Fri 23/1

11:21-06:25

1 stop13h 04m

London Heathrow

Mon 2/2

08:40-22:15

2 stops19h 35m

£476

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Thu 26/2

10:50-21:40

2 stops28h 50m

London Heathrow

Mon 2/3

06:40-23:16

2 stops22h 36m

£478

Baton RougeLondon

BTR - LHR

BTRLHR

Baton Rouge Ryan

Fri 13/2

18:07-07:10

2 stops31h 03m

London Heathrow

Sun 22/2

14:30-21:32

2 stops37h 02m

£480

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Tue 30/12

15:42-10:15

1 stop12h 33m

London Heathrow

Tue 13/1

07:40-18:08

2 stops16h 28m

£495

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Wed 7/1

15:59-10:15

1 stop12h 16m

London Heathrow

Wed 14/1

07:40-18:08

2 stops16h 28m

£500

ShreveportLondon

SHV - LHR

SHVLHR

Shreveport

Tue 24/2

13:03-19:25

2 stops24h 22m

London Heathrow

Mon 2/3

19:40-21:52

2 stops32h 12m

£508

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 £528. The month of September is another great option to travel to London Heathrow Airport, with average flight prices from Louisiana averaging around £538.

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 £524. 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 £1,150.

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 £561. 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 £847 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 £655 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 £582 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

£948

Fastest flight time

8h 40m

Direct flights

Mon, 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 £948
The fastest flight from Louisiana to London Heathrow Airport takes 8h 40m
Direct flights go from Louisiana to London Heathrow Airport on Monday, Wednesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights..
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  • 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 £498Free CancellationRating
6.7
7,520 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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