HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
London

$274+ 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 7/21. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — LON
Jun 14 — Jun 211
Sun 6/14
Sun 6/21
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 May 15, 2026.

This United Airlines deal was found by Cheapflights users on 5/12. 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.
Tue 11/102:20 pm
MSY
-
LHR
1 stop15h 40m
United Airlines
Thu 11/1211:05 am
LHR
-
MSY
2 stops41h 16m
United Airlines
Deal found 5/12$736
This Kiwi.com deal was found by Cheapflights users on 5/11. 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.
Tue 8/181:00 pm
MSY
-
LGW
1 stop15h 00m
Multiple Airlines
Tue 8/252:00 pm
LGW
-
MSY
1 stop27h 59m
Multiple Airlines
Deal found 5/11$813
This Kiwi.com deal was found by Cheapflights users on 5/13. 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 8/131:00 pm
MSY
-
LGW
1 stop15h 00m
Multiple Airlines
Thu 8/272:00 pm
LGW
-
MSY
1 stop30h 49m
Multiple Airlines
Deal found 5/13$823
This oojo deal was found by Cheapflights users on 5/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1412:45 pm
SHV
-
LHR
2 stops21h 15m
Scandinavian Airlines
Mon 9/216:40 am
LHR
-
SHV
2 stops22h 49m
Scandinavian Airlines
Deal found 5/12$833
This Kiwi.com deal was found by Cheapflights users on 5/13. 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 10/11:00 pm
MSY
-
LGW
1 stop15h 00m
Multiple Airlines
Mon 10/52:00 pm
LGW
-
MSY
1 stop32h 07m
Multiple Airlines
Deal found 5/13$839
This Kiwi.com deal was found by Cheapflights users on 5/12. 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.
Tue 8/41:00 pm
MSY
-
LGW
1 stop15h 00m
Multiple Airlines
Mon 8/242:00 pm
LGW
-
MSY
1 stop27h 59m
Multiple Airlines
Deal found 5/12$851
This Kiwi.com deal was found by Cheapflights users on 5/14. 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.
Tue 8/115:20 pm
MSY
-
LGW
2 stops34h 40m
Multiple Airlines
Tue 8/182:00 pm
LGW
-
MSY
1 stop27h 59m
Multiple Airlines
Deal found 5/14$859
This FlightHub deal was found by Cheapflights users on 5/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/610:15 am
SHV
-
LHR
2 stops26h 15m
Scandinavian Airlines
Fri 11/136:40 am
LHR
-
SHV
2 stops22h 56m
Scandinavian Airlines
Deal found 5/10$861
This Kiwi.com deal was found by Cheapflights users on 5/14. 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.
Sun 6/289:48 pm
MSY
-
LGW
2 stops54h 12m
Multiple Airlines
Sun 8/302:00 pm
LGW
-
MSY
1 stop30h 49m
Multiple Airlines
Deal found 5/14$864
This Kiwi.com deal was found by Cheapflights users on 5/12. 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 10/71:00 pm
MSY
-
LGW
1 stop15h 00m
Multiple Airlines
Mon 10/122:00 pm
LGW
-
MSY
1 stop32h 34m
Multiple Airlines
Deal found 5/12$870
This Kiwi.com deal was found by Cheapflights users on 5/11. 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 10/35:02 pm
MSY
-
LGW
1 stop34h 58m
Multiple Airlines
Fri 10/92:00 pm
LGW
-
MSY
1 stop32h 34m
Multiple Airlines
Deal found 5/11$871
This Kiwi.com deal was found by Cheapflights users on 5/14. 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 7/255:20 pm
MSY
-
LGW
2 stops34h 40m
Multiple Airlines
Wed 8/122:00 pm
LGW
-
MSY
1 stop27h 59m
Multiple Airlines
Deal found 5/14$873

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 May 15, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$736
(United Airlines)

One-way from

$274
(Kiwi.com)

Popular in

May

Cheapest in

October

Average price

$1,267

Good round-trip deal

$1,058 or less

Good one-way deal

$444 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. 18% potential increase in price ($199 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 15, 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 - LHR

MSYLHR

New Orleans Louis Armstrong

Tue 11/10

10:35 am-12:00 pm

1 stop19h 25m

London Heathrow

Thu 11/12

11:05 am-6:54 pm

2 stops37h 49m

$813

ShreveportLondon

SHV - LHR

SHVLHR

Shreveport

Mon 9/14

12:45 pm-4:00 pm

2 stops21h 15m

London Heathrow

Mon 9/21

6:40 am-11:29 pm

2 stops22h 49m

$833

ShreveportLondon

SHV - LHR

SHVLHR

Shreveport

Wed 9/23

11:42 am-10:55 am

1 stop17h 13m

London Heathrow

Wed 10/7

12:55 pm-8:23 pm

1 stop13h 28m

$904

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Wed 9/23

7:30 am-6:25 am

1 stop16h 55m

London Heathrow

Wed 9/30

6:30 am-6:45 pm

2 stops18h 15m

$907
Quickest round-trip

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Tue 11/10

7:55 pm-10:35 am

Nonstop8h 40m

London Heathrow

Thu 11/12

1:45 pm-5:55 pm

Nonstop10h 10m

$945

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Sun 8/23

9:05 am-7:10 am

2 stops16h 05m

London Heathrow

Sun 8/30

6:30 am-6:10 pm

2 stops17h 40m

$961

LafayetteLondon

LFT - LHR

LFTLHR

Lafayette Regional

Fri 9/18

8:07 pm-2:25 pm

1 stop12h 18m

London Heathrow

Tue 9/22

8:00 pm-7:37 pm

2 stops29h 37m

$984

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Sat 10/10

7:40 pm-8:10 pm

1 stop18h 30m

London Heathrow

Sat 10/17

3:15 pm-11:27 pm

1 stop14h 12m

$986

MonroeLondon

MLU - LHR

MLULHR

Monroe Huenefeld

Mon 8/17

10:18 am-10:55 am

1 stop18h 37m

London Heathrow

Sat 8/22

12:00 pm-10:40 pm

2 stops16h 40m

$991

MonroeLondon

MLU - LHR

MLULHR

Monroe Huenefeld

Sun 11/8

10:02 am-6:50 am

1 stop14h 48m

London Heathrow

Sun 11/15

11:00 am-10:16 pm

2 stops17h 16m

$991

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/12

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

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.

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

Currently, November is the cheapest month in which you can book a flight from Louisiana to London (average of $51). Flying from Louisiana to London in May is currently the most expensive (average of $637). 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 May 15, 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?

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?

    United Airlines, Scandinavian Airlines, and British Airways can get you from Louisiana to London in just under 17h 13m. Your travel time can differ by up to 4h 02m. Airlines will cover a distance of 4634 mi. This flight may include one or multiple stops.

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

    $324 is the cheapest one-way deal found within the past few days, from JetBlue. You may also be able to find cheap deals on Iberia and American Airlines, with prices starting from $340 and $394, 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 (80%), Aer Lingus (80%) or Finnair (80%) 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 $1,892, our data shows the cheapest flight currently is $353. When looking at the most popular route, (New Orleans Louis Armstrong - London Heathrow), you can expect to pay $813 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, November is the cheapest month in which you can book a flight from Louisiana to London (average of $51). Flying from Louisiana to London in May is currently the most expensive (average of $637). 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
Hounslow
Winchester
Croydon
Gatwick
Southend-on-Sea
Dorking
Harrow
Eastleigh
Dartford
Dover
Orpington
Watford
Borehamwood
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Slough
Sutton

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 May 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$81Average$885FlexibilityNo cancel feeOn-time62%
DeltaCheapest$182Average$759FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$446Average$869FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$611Average$922FlexibilityNo cancel feeOn-time70%
Virgin AtlanticCheapest$676Average$929FlexibilityNo cancel feeOn-time72%
American AirlinesCheapest$676Average$1,035FlexibilityNo cancel feeOn-time71%
FinnairCheapest$705Average$1,326FlexibilityNo cancel feeOn-time76%
IberiaCheapest$756Average$1,088FlexibilityNo cancel feeOn-time77%

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.