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Cheap flights from London Heathrow Airport to Louisiana from $421

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Louisiana departing on 4/27. 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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Find the cheapest flights from London Heathrow Airport to Louisiana

Cheap round-trip flights

Enter your travel dates to find the best prices.
JetBlue Logo
7:25 am - 4:36 pm
LHR
-
MSY
14h 11m
1 stop
JetBlue Logo
7:47 pm - 6:55 am
MSY
-
LHR
30h 08m
1 stop
$712JetBlue
Wed, Mar 11 - Mon, Mar 16
JetBlue Logo
12:20 pm - 4:36 pm
LHR
-
MSY
34h 16m
1 stop
JetBlue Logo
7:47 pm - 6:55 am
MSY
-
LHR
30h 08m
1 stop
$724JetBlue
Fri, Feb 27 - Fri, Mar 13
American Airlines Logo
9:15 am - 5:55 pm
LHR
-
MSY
14h 40m
1 stop
American Airlines Logo
1:50 pm - 9:05 am
MSY
-
LHR
13h 15m
1 stop
$741American Airlines
Fri, May 15 - Mon, Jun 15
Multiple Airlines Logo
10:20 am - 11:15 pm
LHR
-
MSY
17h 55m
2 stops
Multiple Airlines Logo
9:20 am - 5:40 pm
MSY
-
LHR
27h 20m
2 stops
$744Multiple Airlines
Mon, Mar 9 - Mon, Mar 23
Multiple Airlines Logo
10:20 am - 11:15 pm
LHR
-
MSY
17h 55m
2 stops
Multiple Airlines Logo
9:20 am - 4:25 pm
MSY
-
LHR
26h 05m
3 stops
$748Multiple Airlines
Mon, Mar 9 - Mon, Mar 23
United Airlines Logo
1:40 pm - 9:32 pm
LHR
-
MSY
13h 52m
1 stop
United Airlines Logo
2:20 pm - 11:35 am
MSY
-
LHR
15h 15m
1 stop
$750United Airlines
Fri, May 15 - Wed, Jun 17
British Airways Logo
4:00 pm - 8:00 pm
LHR
-
MSY
10h 00mnonstop
British Airways Logo
9:50 pm - 12:40 pm
MSY
-
LHR
8h 50mnonstop
$754British Airways
Fri, May 15 - Wed, Jun 17
American Airlines Logo
11:45 am - 10:51 pm
LHR
-
SHV
17h 06m
1 stop
American Airlines Logo
10:13 am - 5:50 am
SHV
-
LHR
14h 37m
2 stops
$769American Airlines
Tue, Mar 3 - Wed, Mar 25
British Airways Logo
6:00 am - 5:56 pm
LHR
-
SHV
17h 56m
2 stops
British Airways Logo
6:26 pm - 6:50 am
SHV
-
LHR
31h 24m
1 stop
$823British Airways
Tue, Mar 3 - Sun, Mar 22
United Airlines Logo
8:00 am - 10:54 pm
LHR
-
LFT
19h 54m
2 stops
United Airlines Logo
4:09 pm - 11:35 am
LFT
-
LHR
13h 26m
1 stop
$1,338United Airlines
Sun, Mar 22 - Sun, Mar 29

American Airlines flights from London Heathrow Airport to Louisiana

Our best American Airlines deals on London Heathrow Airport to Louisiana flight tickets
American Airlines
May 15
LHR9:15 amLondon Heathrow
14h 40m
1 stop
MSY5:55 pmNew Orleans Louis Armstrong
Jun 15
MSY1:50 pmNew Orleans Louis Armstrong
13h 15m
1 stop
LHR9:05 amLondon Heathrow
$741
American Airlines
Mar 3
LHR9:55 amLondon Heathrow
15h 19m
1 stop
SHV7:14 pmShreveport
Mar 24
SHV7:52 amShreveport
17h 23m
2 stops
LHR6:15 amLondon Heathrow
$769
American Airlines
May 18
LHR10:05 amLondon Heathrow
14h 46m
1 stop
MSY6:51 pmNew Orleans Louis Armstrong
Jun 16
MSY12:44 pmNew Orleans Louis Armstrong
13h 06m
1 stop
LHR7:50 amLondon Heathrow
$771

United Airlines flights from London Heathrow Airport to Louisiana

Our best United Airlines deals on London Heathrow Airport to Louisiana flight tickets
United Airlines
May 15
LHR1:40 pmLondon Heathrow
13h 52m
1 stop
MSY9:32 pmNew Orleans Louis Armstrong
Jun 17
MSY2:20 pmNew Orleans Louis Armstrong
15h 15m
1 stop
LHR11:35 amLondon Heathrow
$750
United Airlines
May 15
LHR12:00 pmLondon Heathrow
12h 49m
1 stop
MSY6:49 pmNew Orleans Louis Armstrong
Jun 16
MSY2:44 pmNew Orleans Louis Armstrong
15h 36m
1 stop
LHR12:20 pmLondon Heathrow
$770
United Airlines
May 19
LHR11:25 amLondon Heathrow
16h 30m
1 stop
MSY9:55 pmNew Orleans Louis Armstrong
Jun 16
MSY2:44 pmNew Orleans Louis Armstrong
15h 36m
1 stop
LHR12:20 pmLondon Heathrow
$800

momondo Fare Finder

 
Customize your flight search to find flights from London Heathrow Airport to Louisiana 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 832,500 searches. Data last updated February 7, 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Louisiana that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonNew Orleans

LHR - MSY

LHRMSY

London Heathrow

Wed 3/11

7:25 am-4:36 pm

1 stop14h 11m

New Orleans Louis Armstrong

Mon 3/16

7:47 pm-6:55 am

1 stop30h 08m

$712

LondonNew Orleans

LHR - MSY

LHRMSY

London Heathrow

Fri 2/27

12:20 pm-4:36 pm

1 stop34h 16m

New Orleans Louis Armstrong

Fri 3/13

7:47 pm-6:55 am

1 stop30h 08m

$724

LondonNew Orleans

LHR - MSY

LHRMSY

London Heathrow

Fri 5/15

9:15 am-5:55 pm

1 stop14h 40m

New Orleans Louis Armstrong

Mon 6/15

1:50 pm-9:05 am

1 stop13h 15m

$741

LondonNew Orleans

LHR - MSY

LHRMSY

London Heathrow

Mon 3/9

10:20 am-11:15 pm

2 stops17h 55m

New Orleans Louis Armstrong

Mon 3/23

9:20 am-5:40 pm

2 stops27h 20m

$744

LondonNew Orleans

LHR - MSY

LHRMSY

London Heathrow

Mon 3/9

10:20 am-11:15 pm

2 stops17h 55m

New Orleans Louis Armstrong

Mon 3/23

9:20 am-4:25 pm

3 stops26h 05m

$748

LondonNew Orleans

LHR - MSY

LHRMSY

London Heathrow

Fri 5/15

1:40 pm-9:32 pm

1 stop13h 52m

New Orleans Louis Armstrong

Wed 6/17

2:20 pm-11:35 am

1 stop15h 15m

$750

LondonNew Orleans

LHR - MSY

LHRMSY

London Heathrow

Fri 5/15

4:00 pm-8:00 pm

Nonstop10h 00m

New Orleans Louis Armstrong

Wed 6/17

9:50 pm-12:40 pm

Nonstop8h 50m

$754

LondonShreveport

LHR - SHV

LHRSHV

London Heathrow

Tue 3/3

11:45 am-10:51 pm

1 stop17h 06m

Shreveport

Wed 3/25

10:13 am-5:50 am

2 stops14h 37m

$769

LondonShreveport

LHR - SHV

LHRSHV

London Heathrow

Tue 3/3

6:00 am-5:56 pm

2 stops17h 56m

Shreveport

Sun 3/22

6:26 pm-6:50 am

1 stop31h 24m

$823

LondonLafayette

LHR - LFT

LHRLFT

London Heathrow

Sun 3/22

8:00 am-10:54 pm

2 stops19h 54m

Lafayette Regional

Sun 3/29

4:09 pm-11:35 am

1 stop13h 26m

$1,338

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Louisiana from

How to get the cheapest flight ticket from London Heathrow Airport to Louisiana

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 Louisiana?

In general, September is the cheapest month to fly from London Heathrow Airport to Louisiana. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $777. The month of January is another great option to travel to Louisiana, with average flight prices from London Heathrow Airport averaging around $802.

What is the cheapest day to depart on your flight to Louisiana?

According to our data, Wednesday is the cheapest day to fly to Louisiana from London Heathrow Airport. The lowest ticket price found for a Wednesday departure recently was $853. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Louisiana on Sunday is $1,181.

What is the cheapest time of day to depart on your flight to Louisiana?

The cheapest time of day to fly to Louisiana is at noon when flights can be purchased for as low as $909. In contrast, the most expensive time of day to depart to Louisiana is in the afternoon when prices are around $983.

What is the cheapest London Heathrow to Louisiana flight route?

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

How far in advance should I book a flight to Louisiana?

You are more likely to see cheaper flights to Louisiana from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Louisiana for around $887 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Louisiana from London Heathrow Airport for as low as $775 on momondo.

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

There are 3 cabin classes available to choose from on London Heathrow to Louisiana 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 London Heathrow Airport to Louisiana flights?

You could potentially save up to 8% on your flight if you consider stops on a London Heathrow Airport to Louisiana flight.

Cheap London Heathrow Airport to Louisiana flight deals and tips

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

Best Price Found

$717

Fastest flight time

10h 00m

Direct flights

Mon, Wed, Thu, Fri, Sat and Sun

Airports in Louisiana

31 airports
The best one-way flight to Louisiana from London Heathrow Airport in the past 72 hours is $717. The best round-trip flight deal from London Heathrow Airport to Louisiana found on momondo in the last 72 hours is $799.
The fastest flight from London Heathrow Airport to Louisiana takes 10h 00m
Direct flights go from London Heathrow Airport to Louisiana on Monday, Wednesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights.
There are 31 airports in Louisiana. From London Heathrow Airport there are direct flights to New Orleans Louis Armstrong (MSY).
Search flight deals

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

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

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London Heathrow Airport to Louisiana.

  • What documentation or ID do you need to fly to Louisiana?

    The required travel and health documents for your Louisiana trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Louisiana. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

Best airlines flying from London Heathrow Airport to Louisiana

Compare and see reviews for airlines that fly from London Heathrow Airport to Louisiana with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $832Free CancellationRating
6.7
7,719 reviews
Search British Airways flights

Why use momondo?

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

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 London to Louisiana for you.

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

Yes. momondo enables you to select and highlight flights to Louisiana from London with this policy.

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

Once all potential London to Louisiana 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 London to Louisiana right now. Can momondo alert me if prices change?

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

An easier way to manage your Louisiana trip

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