Cheap flights from Louisiana to London Heathrow Airport from $274
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 Heathrow Airport departing on 3/18. 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 round-trip flights
These are some of the best round-trip flight deals from Louisiana to London that have been recently found on momondo from popular airlines, departing in the coming months.
Cheap one-way flights
Flying one-way? These are some of the best deals recently discovered on momondo for flights from Louisiana to London.
Cheap last minute flights
Planning a quick getaway from Louisiana to London? These are the last-minute flight deals available now.
Cheap direct flights
If you prefer a non-stop journey, check out our latest direct flight deals to London, so you can enjoy a seamless trip without layovers.
British Airways flights from Louisiana to London Heathrow Airport
Our best British Airways deals on Louisiana to London Heathrow Airport flight tickets
British Airways![British Airways]()
Apr 2![British Airways]()
Apr 11
MSY9:50 pmNew Orleans Louis Armstrong
8h 50m
LHR12:40 pmLondon Heathrow
LHR4:05 pmLondon Heathrow
9h 55m
MSY8:00 pmNew Orleans Louis Armstrong
British Airways![British Airways]()
Apr 2![British Airways]()
Apr 11
MSY2:22 pmNew Orleans Louis Armstrong
11h 18m
1 stop
LHR7:40 amLondon Heathrow
LHR4:05 pmLondon Heathrow
9h 55m
MSY8:00 pmNew Orleans Louis Armstrong
United Airlines flights from Louisiana to London Heathrow Airport
Our best United Airlines deals on Louisiana to London Heathrow Airport flight tickets
United Airlines![United Airlines]()
Mar 12![United Airlines]()
Mar 21
MSY7:00 amNew Orleans Louis Armstrong
22h 50m
1 stop
LHR10:50 amLondon Heathrow
LHR6:00 pmLondon Heathrow
25h 50m
1 stop
MSY2:50 pmNew Orleans Louis Armstrong
United Airlines![United Airlines]()
Apr 8![United Airlines]()
Apr 29
MSY5:00 amNew Orleans Louis Armstrong
24h 35m
1 stop
LHR11:35 amLondon Heathrow
LHR12:05 pmLondon Heathrow
32h 28m
1 stop
MSY2:33 pmNew Orleans Louis Armstrong
See travel insights to London from
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
Prices
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Other information
What is the cheapest month to fly to London Heathrow Airport?
The month of January is, on average, the cheapest month to fly to London Heathrow Airport from Louisiana, with most prices found around $729. If you’re not able to fly to London Heathrow Airport in January, then April is your next best option. Flight prices from Louisiana to London Heathrow Airport during April average around $743.
What is the cheapest day to depart on your flight to London Heathrow Airport?
Our data shows that Tuesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $779. The most expensive day to fly to London Heathrow Airport is Sunday, with ticket prices averaging around $1,167.
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 in the morning. momondo users have found flights departing from Louisiana to London Heathrow Airport in the morning for as low as $870. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the evening are often more expensive with an average ticket price of $1,069.
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 14 weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $946 when searching 14 weeks out.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 $796 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.
What is the cheapest airline that flies from Louisiana to London Heathrow?
JetBlue, British Airways, and United Airlines are the most popular carriers operating from Louisiana to London Heathrow
What airlines fly to London Heathrow Airport?
British Airways, American Airlines and Iberia are the top three most popular airlines that fly to London Heathrow Airport from Louisiana according to our data. British Airways is the first choice among our users, with 54% of people opting to fly with this airline when traveling to London Heathrow Airport. Keep in mind that there are 9 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.
How many flights depart from Louisiana to London Heathrow Airport on average per day?
As of February 2025, there are 2 flights per day flying from Louisiana to London Heathrow Airport. The most common time of day flights depart is 7:00PM, with 100% of flights taking off in the evening.
How many flights depart from Louisiana to London Heathrow Airport on average per week?
The number of flights available between Louisiana and London Heathrow Airport is 20 per week as of February 2025. The most frequent departure day is Tue, with 25% of weekly flights leaving on this day.
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
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?
There are 9 operators available for flights from Louisiana to London Heathrow Airport as of February 2025.
How old do you have to be to fly from Louisiana to London Heathrow Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, 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 necessary travel and health documents for your London Heathrow Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking 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?
Based on momondo bookings for flights between Louisiana and London Heathrow Airport, the leading plane model is Boeing 787-10 Dreamliner, making up 41.03% of the total bookings. Other popular models include Boeing 777 with 28.99%, Boeing 787-8 Dreamliner with 17.85%, and Boeing 787-9 Dreamliner with 10.65%.
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 | ||
|---|---|---|---|---|---|
| PriceFrom $562 | Free Cancellation | Rating 7.4 3,035 reviews | |||
| PriceFrom $598 | Free Cancellation | Rating 7.0 2,640 reviews | |||
| PriceFrom $598 | Free Cancellation | Rating 7.6 1,273 reviews | |||
| PriceFrom $652 | Free Cancellation | Rating 6.6 6,744 reviews | |||
| PriceFrom $657 | Free Cancellation | Rating 8.0 8,138 reviews | |||
| PriceFrom $662 | Free Cancellation | Rating 7.4 1,444 reviews | |||
| PriceFrom $672 | Free Cancellation | Rating 7.5 650 reviews | |||
| PriceFrom $693 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $698 | Free Cancellation | Rating 7.4 8,724 reviews |
Traveling to a place near London?
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Stansted
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Why use momondo?
Why should I use momondo to find a flight deal from Louisiana to London?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Louisiana to London. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Louisiana to London with flexible booking policies on momondo?
All flight searches from Louisiana to London on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Louisiana to London?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from Louisiana.
I’m not ready to book a flight from Louisiana to London right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Louisiana to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.
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