HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
London

$243+ Cheap flights from Louisiana to London (LON)

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 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — LON
Aug 28 — Sep 41
Fri 8/28
Fri 9/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Louisiana to London with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Louisiana to London

Cheapest flights from Louisiana to London
Explore the most affordable flight options available from Louisiana to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/231:00 pm
MSY
-
LGW
1 stop15h 00m
Multiple Airlines
Fri 11/612:35 pm
LGW
-
MSY
2 stops33h 28m
Multiple Airlines
Deal found 7/26$585
This Kiwi.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/215:02 pm
MSY
-
LGW
2 stops34h 58m
Multiple Airlines
Wed 10/2810:10 am
LGW
-
MSY
1 stop34h 48m
Multiple Airlines
Deal found 7/24$632
This Kiwi.com deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/93:17 pm
MSY
-
LGW
1 stop12h 43m
Multiple Airlines
Wed 9/162:00 pm
LGW
-
MSY
2 stops32h 09m
Multiple Airlines
Deal found 7/26$647
This Kiwi.com deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/225:29 pm
MSY
-
LGW
1 stop34h 31m
Multiple Airlines
Wed 10/2810:10 am
LGW
-
MSY
1 stop34h 48m
Multiple Airlines
Deal found 7/26$654
This Kiwi.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/175:09 pm
MSY
-
LGW
2 stops34h 51m
Multiple Airlines
Wed 8/262:00 pm
LGW
-
MSY
1 stop33h 32m
Multiple Airlines
Deal found 7/25$658
This Kiwi.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/248:00 am
MSY
-
LGW
1 stop20h 00m
Multiple Airlines
Wed 10/2810:10 am
LGW
-
MSY
2 stops34h 53m
Multiple Airlines
Deal found 7/25$666
This United Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/167:10 am
SHV
-
LHR
1 stop18h 30m
United Airlines
Wed 11/187:30 am
LHR
-
SHV
2 stops21h 15m
United Airlines
Deal found 7/28$754
This United Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/156:08 pm
MSY
-
LHR
1 stop33h 32m
United Airlines
Wed 11/186:50 am
LHR
-
MSY
2 stops19h 36m
United Airlines
Deal found 7/25$780
This Priceline deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/37:55 pm
MSY
-
LHR
Nonstop8h 40m
Multiple Airlines
Tue 11/109:20 am
LHR
-
MSY
1 stop20h 20m
Multiple Airlines
Deal found 7/27$849
This Orbitz deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/27:55 pm
MSY
-
LHR
Nonstop8h 40m
Multiple Airlines
Mon 11/99:20 am
LHR
-
MSY
1 stop14h 57m
Multiple Airlines
Deal found 7/24$850
This Priceline deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/110:53 am
MSY
-
LHR
1 stop19h 22m
Multiple Airlines
Tue 11/107:25 am
LHR
-
MSY
1 stop15h 27m
Multiple Airlines
Deal found 7/28$853
This Travelocity deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2810:56 am
MSY
-
LHR
1 stop14h 54m
Multiple Airlines
Tue 11/107:25 am
LHR
-
MSY
1 stop15h 27m
Multiple Airlines
Deal found 7/27$854

Find flight deals from Louisiana to London

Keep the following information in mind while searching for Louisiana to London flight deals. Data was last updated July 29, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$585
(Kiwi.com)

One-way from

$243
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$1,417

Good round-trip deal

$996 or less

Good one-way deal

$480 or less
Provider with most accurate pricing for New Orleans Louis Armstrong-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for New Orleans Louis Armstrong-London (LON) flights.
Search Deals
From Louisiana to London (LON)
Search Deals
One-way flight from Louisiana to London (LON)
Search Deals
Highest demand for flights based on searches. 28% potential increase in price ($390 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($41 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Louisiana to London (LON).
Search Deals
Price to beat on a one-way flight from Louisiana to London (LON).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Louisiana to London 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 2,558,603 searches. Data last updated July 29, 2026.
Use the filters below to find and compare flights from Louisiana to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

New OrleansLondon

MSY - LGW

MSYLGW

New Orleans Louis Armstrong

Fri 8/21

6:17 pm-10:00 am

1 stop33h 43m

London Gatwick

Fri 9/4

2:00 pm-5:32 pm

1 stop33h 32m

$708

LafayetteLondon

LFT - LHR

LFTLHR

Lafayette Regional

Sun 11/15

2:15 pm-10:00 am

1 stop13h 45m

London Heathrow

Tue 11/24

6:05 am-7:25 pm

2 stops19h 20m

$896

ShreveportLondon

SHV - LHR

SHVLHR

Shreveport

Mon 11/16

9:15 am-7:40 am

1 stop16h 25m

London Heathrow

Wed 11/18

1:35 pm-10:45 pm

1 stop15h 10m

$900

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Sat 10/24

7:00 pm-9:10 pm

1 stop20h 10m

London Heathrow

Tue 11/3

6:30 am-4:57 pm

2 stops16h 27m

$903

LafayetteLondon

LFT - LHR

LFTLHR

Lafayette Regional

Mon 1/18

5:15 am-7:40 am

1 stop20h 25m

London Heathrow

Wed 1/27

9:30 am-9:31 pm

2 stops18h 01m

$904

LafayetteLondon

LFT - LHR

LFTLHR

Lafayette Regional

Mon 11/2

11:35 am-9:50 am

2 stops16h 15m

London Heathrow

Mon 11/9

8:40 am-4:34 pm

2 stops37h 54m

$923

ShreveportLondon

SHV - LHR

SHVLHR

Shreveport

Wed 9/9

11:17 am-11:35 am

1 stop18h 18m

London Heathrow

Wed 9/16

7:25 am-7:29 pm

2 stops18h 04m

$932

ShreveportLondon

SHV - LHR

SHVLHR

Shreveport

Tue 9/15

5:46 pm-11:35 am

1 stop11h 49m

London Heathrow

Wed 9/30

9:30 am-9:34 pm

2 stops18h 04m

$941

Baton RougeLondon

BTR - LHR

BTRLHR

Baton Rouge Ryan

Mon 1/11

7:00 am-7:40 am

1 stop18h 40m

London Heathrow

Wed 1/13

10:00 am-5:42 pm

1 stop13h 42m

$941

LafayetteLondon

LFT - LHR

LFTLHR

Lafayette Regional

Wed 9/9

12:10 pm-1:15 pm

1 stop19h 05m

London Heathrow

Wed 9/16

9:55 am-10:13 pm

2 stops18h 18m

$962

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

Best time to book a flight from Louisiana to London

Have a flexible travel schedule? Discover the best time to fly to London from Louisiana with our price prediction graph.
Estimated round-trip 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 Louisiana to London

What is the cheapest month to book a flight from Louisiana to London?

Currently, February is the cheapest month in which you can book a flight from Louisiana to London (average of $723). Flying from Louisiana to London in June is currently the most expensive (average of $1,445). 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.

What is the cheapest time of day to fly from LA to LON?

Find hourly flight availability from Louisiana to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 29, 2026.

When flying from Louisiana to London, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Louisiana to London?

Airfare is below average for this route at the moment.
Louisiana to London flights typically cost between $940 and $1,128 in October.
The cheapest round-trip price found within the last 5 days was $585 on Multiple Airlines (Oct 23-Nov 6).

How far ahead should I book a flight from Louisiana to London?

The price you pay for your flight from Louisiana to London may vary depending on when you book. For the best chance of a lower fare, look to book 25 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Related info for your journey

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

  • How long is the flight from Louisiana to London?

    British Airways, United Airlines, and Delta can get you from Louisiana to London in just under 13h 45m. Your travel time can differ by up to 6h 25m. Airlines will cover a distance of 4676 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Louisiana to London one-way?

    $340 is the cheapest one-way deal found within the past few days, from Iberia. You may also be able to find cheap deals on American Airlines and JetBlue, with prices starting from $344 and $384, respectively.

  • What are the most popular routes from Louisiana to London?

    Most travelers choose New Orleans Louis Armstrong - London Heathrow, New Orleans Louis Armstrong - London Gatwick or New Orleans Louis Armstrong - London Stansted when deciding on the best route from Louisiana to London.

  • What are the most reliable airlines from Louisiana to London?

    Consider American Airlines (83%), Aer Lingus (83%) or Finnair (83%) when booking your flight. These represent the most reliable airlines when flying from Louisiana to London.

  • What are the cheapest flights from Louisiana to London?

    While on average a flight from Louisiana to London is generally $1,433, our data shows the cheapest flight currently is $403. When looking at the most popular route, (New Orleans Louis Armstrong - London Heathrow), you can expect to pay $794 for that flight.

  • Can I find deals for flights from Louisiana to London that include hotel bookings?

    Yes. In addition to deals on Louisiana to London flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Louisiana to London?

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

  • Can I find deals for business class flights from Louisiana to London?

    Yes. Cheapflights offers flight deals from Louisiana to London 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 Louisiana to London?

    Currently, February is the cheapest month in which you can book a flight from Louisiana to London (average of $723). Flying from Louisiana to London in June is currently the most expensive (average of $1,445). 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

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Ilford
Dorking
Hounslow
Winchester
Croydon
Gatwick
Wembley
Harrow
Eastleigh
Southend-on-Sea
Watford
Dartford
Chipping Norton
Kingston upon Thames
Eastbourne
Slough
Stansted
Sutton
Luton
Harlow

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 8 airlines flying from Louisiana to London

Discover the top 8 airlines that operate flights from Louisiana to London. 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 2,558,603 searches. Data last updated July 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$81Average$985FlexibilityNo cancel feeOn-time62%
Virgin AtlanticCheapest$330Average$330FlexibilityNo cancel feeOn-time72%
United AirlinesCheapest$446Average$955FlexibilityNo cancel feeOn-time69%
DeltaCheapest$581Average$936FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$637Average$1,009FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$676Average$1,076FlexibilityNo cancel feeOn-time71%
IberiaCheapest$701Average$1,127FlexibilityNo cancel feeOn-time77%
FinnairCheapest$705Average$1,326FlexibilityNo cancel feeOn-time76%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.