Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Louisiana to London Heathrow Airport from £225

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 15/7. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — LHR
28 Apr — 5 May1
1 adult

Cheap flight deals from Louisiana to Heathrow

Keep the following information in mind while searching for Louisiana to Heathrow flight deals. Data was last updated 23 April 2025.

Round-trip from

£485

One-way from

£225

Popular in

June

Cheapest in

October

Average price

£617

Good one-way deal

£328 or less
JetBlue
  • JetBlue
  • 7/10-21/10
  • 2 total stops
  • 34h 03m total
  • Louisiana to London
Search Deals
15/7
  • 15/7
  • 2 total stops
  • 22h 55m total
  • Louisiana to London
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£100 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£16 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2025
Search Deals
Price to beat on a one-way flight from Louisiana to London Heathrow.
Search Deals

Find flight deals from Louisiana to Heathrow

Cheapest flights from Louisiana to Heathrow
Explore the most affordable flight options available from Louisiana to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 April 2025.

Wed 30/412:07MSY - LHR
1 stop12h 23mJetBlue
Wed 7/508:15LHR - MSY
1 stop14h 44mJetBlue
Deal found 22/4£485
Wed 1/1021:50MSY - LHR
Nonstop8h 50mBritish Airways
Wed 8/1016:05LHR - MSY
Nonstop9h 55mBritish Airways
Deal found 22/4£523
Mon 18/811:55MSY - LHR
2 stops36h 35mMultiple Airlines
Thu 4/909:30LHR - MSY
2 stops31h 32mMultiple Airlines
Deal found 22/4£535
Tue 19/812:40MSY - LHR
1 stop12h 15mUnited Airlines
Tue 26/814:05LHR - MSY
2 stops30h 04mUnited Airlines
Deal found 22/4£539
Wed 17/919:10MSY - LHR
1 stop12h 20mKLM
Fri 3/1009:20LHR - MSY
1 stop12h 57mKLM
Deal found 22/4£542
Sun 5/1011:55MSY - LHR
1 stop12h 40mAir Canada
Tue 21/1017:40LHR - MSY
2 stops28h 20mAir Canada
Deal found 22/4£545
Sun 10/816:10MSY - LHR
1 stop15h 00mDelta
Wed 20/806:30LHR - MSY
2 stops15h 45mDelta
Deal found 23/4£545
Wed 15/1011:55MSY - LHR
2 stops16h 05mLufthansa
Tue 21/1009:30LHR - MSY
2 stops15h 43mLufthansa
Deal found 22/4£548
Thu 21/812:18MSY - LHR
1 stop14h 42mIberia
Wed 27/816:05LHR - MSY
Nonstop9h 50mIberia
Deal found 22/4£562
Thu 16/1014:06MSY - LHR
1 stop16h 24mFinnair
Tue 21/1018:10LHR - MSY
2 stops29h 50mFinnair
Deal found 22/4£567
Sat 18/1016:07LFT - LHR
2 stops32h 23mUnited Airlines
Fri 31/1013:00LHR - LFT
2 stops37h 31mUnited Airlines
Deal found 22/4£576
Mon 22/915:20BTR - LHR
1 stop13h 50mDelta
Wed 1/1009:55LHR - BTR
2 stops18h 05mDelta
Deal found 22/4£579

Cheapflights Fare Finder

Customise your flight search to find flights from Louisiana to Heathrow 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 858,174 searches. Data last updated 23 April 2025.
Use the filters below to find and compare flights from Louisiana to London Heathrow Airport that are best for you.

Fly from

Louisiana

Fly to

Heathrow

Route

Depart

Return

Price

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Tue 7/10

09:45-09:30

1 stop17h 45m

London Heathrow

Tue 21/10

08:25-18:43

1 stop16h 18m

£485

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Wed 1/10

21:50-12:40

Nonstop8h 50m

London Heathrow

Wed 8/10

16:05-20:00

Nonstop9h 55m

£523

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Tue 7/10

14:06-09:00

1 stop12h 54m

London Heathrow

Tue 21/10

18:10-18:00

2 stops29h 50m

£530

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Mon 18/8

11:55-06:30

2 stops36h 35m

London Heathrow

Thu 4/9

09:30-11:02

2 stops31h 32m

£535

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Tue 19/8

12:40-06:55

1 stop12h 15m

London Heathrow

Tue 26/8

14:05-14:09

2 stops30h 04m

£539

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Wed 17/9

19:10-13:30

1 stop12h 20m

London Heathrow

Fri 3/10

09:20-16:17

1 stop12h 57m

£542

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Sun 5/10

11:55-06:35

1 stop12h 40m

London Heathrow

Tue 21/10

17:40-16:00

2 stops28h 20m

£545

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Sun 10/8

16:10-13:10

1 stop15h 00m

London Heathrow

Wed 20/8

06:30-16:15

2 stops15h 45m

£545

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Wed 15/10

11:55-10:00

2 stops16h 05m

London Heathrow

Tue 21/10

09:30-19:13

2 stops15h 43m

£548

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Thu 21/8

12:18-09:00

1 stop14h 42m

London Heathrow

Wed 27/8

16:05-19:55

Nonstop9h 50m

£562

Flights are sorted by cheapest return flights first.

Deals found on 21/4

Showing 1-10 of 53 results
1
2
3
...
6

Best time to book a flight from Louisiana to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Louisiana with our price prediction graph.
Estimated return 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 Heathrow Airport

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

Currently, January is the cheapest month in which you can book a flight from Louisiana to London Heathrow Airport (average of £112). Flying from Louisiana to London Heathrow Airport in August is currently the most expensive (average of £164). 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 LHR?

Find hourly flight availability from Louisiana to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 23 April 2025.

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

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated 23 April 2025.
Get a feel of what it's like to fly with Delta, KLM and Finnair from Louisiana to London by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,920 reviews
Check prices

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very Good
7,920 reviews
Delta
8.0
Very Good
7,920 reviews
Check prices

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,333 reviews
Delta
8.0
Very Good
7,920 reviews
Check prices

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,272 reviews
Delta
8.0
Very Good
7,920 reviews
Check prices

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Austrian Airlines
7.6
Good
780 reviews
Delta
8.0
Very Good
7,920 reviews
Check prices

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Aeromexico
7.5
Good
1,700 reviews
Delta
8.0
Very Good
7,920 reviews
Check prices

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

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

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

    One-way options have recently been found by users for as low as £295 on JetBlue. Other airlines that offer cheap prices include Delta from £349 and Air Canada from £354 one-way.

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

    Most travelers choose New Orleans Louis Armstrong - London Heathrow, Baton Rouge Ryan - London Heathrow or Lafayette Regional - London Heathrow when deciding on the best route from Louisiana to London Heathrow Airport.

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

    No one likes to see their flight delayed. When booking a flight from Louisiana to London Heathrow Airport consider choosing American Airlines (51%), Aer Lingus (51%) or Finnair (51%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Louisiana to London Heathrow Airport?

    Looking for the cheapest flight from Louisiana to London Heathrow Airport? While on average our users pay £389, our data indicates the cheapest price to be £284. The most popular route (New Orleans Louis Armstrong - London Heathrow), is priced around £503.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Louisiana to Heathrow 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 Heathrow Airport?

    Currently, January is the cheapest month in which you can book a flight from Louisiana to London Heathrow Airport (average of £112). Flying from Louisiana to London Heathrow Airport in August is currently the most expensive (average of £164). 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

Travelling to a place near Louisiana?

Book flights to Louisiana if you plan to visit one of these locations
Deal
Hounslow
Milton Keynes
Gatwick
Luton
Slough
Croydon
Eastbourne
Northampton
Ilford
Hayes
Southend-on-Sea
Crawley
Wembley
Ipswich
Maidstone
Winchester
Swindon
Folkestone
Dartford

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.

Alternative routes for Louisiana to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Heathrow flights
Newark to Heathrow flights
John F Kennedy Intl to Gatwick flights
Dulles Intl to Heathrow flights
Newark to Gatwick flights
John F Kennedy Intl to London City flights
Los Angeles to Heathrow flights
Boston to Heathrow flights
LaGuardia to Heathrow flights
O'Hare Intl to Heathrow flights
Baltimore to Heathrow flights
San Francisco to Heathrow flights
Seattle to Heathrow flights
Dallas/Fort Worth to Heathrow flights
Newark to London City flights
LaGuardia to Gatwick flights
Atlanta to Heathrow flights
John F Kennedy Intl to Stansted flights
Boston to Gatwick flights
Miami to Heathrow flights
Dulles Intl to Gatwick flights
Orlando to Heathrow flights
Denver to Heathrow flights
Reagan-National to Heathrow flights
Stewart to Stansted flights
Hobby to Heathrow flights
Dulles Intl to London City flights
Baltimore to Gatwick flights
Newark to Stansted flights
O'Hare Intl to Gatwick flights
Boston to London City flights
Los Angeles to London City flights
Reagan-National to Gatwick flights
O'Hare Intl to London City flights
Philadelphia to Heathrow flights
San Francisco to Gatwick flights
Seattle to Gatwick flights
Sky Harbor Intl to Heathrow flights
San Francisco to London City flights
Minneapolis to Heathrow flights
Orlando to Gatwick flights
Portland to Heathrow flights
George Bush Intcntl to Heathrow flights
Tampa to Heathrow flights
Los Angeles to Gatwick flights
Dallas/Fort Worth to Gatwick flights
Baltimore to Stansted flights
Detroit to Heathrow flights
Charlotte to Heathrow flights

Top 2 airlines flying from Louisiana to Heathrow

Discover the top 2 airlines that operate flights from Louisiana to Heathrow. 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 858,174 searches. Data last updated 23 April 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£490Average£690FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest£522Average£598FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Louisiana to Heathrow?

When you search for this flight from Louisiana to Heathrow, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Louisiana to Heathrow?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Louisiana to Heathrow for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Louisiana to Heathrow with no change fees?

Yes, we can. To see specific flights from Louisiana to Heathrow with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Louisiana to Heathrow become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Heathrow from Louisiana today and book when prices fit your budget.

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.
Site
©2025 Cheapflights