Cheap flights from Louisiana to London from £189
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 departing on 21/10. 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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United Airlines flights from Louisiana to London Heathrow Airport
Our best United Airlines deals on Louisiana to London Heathrow Airport flight tickets
Delta flights from Louisiana to London Heathrow Airport
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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
What is the cheapest month to fly to London Heathrow Airport?
In general, March is the cheapest month to fly from Louisiana to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £526. The month of January is another great option to travel to London Heathrow Airport, with average flight prices from Louisiana averaging around £531.
What is the cheapest day to depart on your flight to London Heathrow Airport?
On average, the least expensive day to fly to London Heathrow Airport from Louisiana is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as £670. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Thursday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Thursday is £838.
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 at midday. momondo users have found flights departing from Louisiana to London Heathrow Airport at midday for as low as £537. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are £739 on average. Flights to London Heathrow Airport from Louisiana in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.
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 weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £634 when searching weeks before you fly. 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 £500 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, Lufthansa, and United Airlines are the most popular carriers operating from Louisiana to London Heathrow
Which airlines fly to London Heathrow Airport?
British Airways, Virgin Atlantic and United Airlines 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 46% of people opting to fly with this airline when travelling to London Heathrow Airport. Keep in mind that there are 3 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.
How long does it take to fly to London Heathrow Airport?
If you’re flying from a popular airport in Louisiana, such as New Orleans or Lafayette, and flying into London Heathrow Airport, then you can expect flight times to average 8h 45m and 11h 30m, respectively.
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?
As of July 2025, there are 3 operators available to choose from for flights from Louisiana to London Heathrow Airport.
How old do you have to be to fly from Louisiana to London Heathrow Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, 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 travel and health documents you'll need for your trip to London Heathrow Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Heathrow Airport. It is always advisable to seek 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?
momondo data reveals that the most frequently booked plane model on the route from Louisiana to London Heathrow Airport is Boeing 787-10 Dreamliner, representing 56.27% of all bookings. The subsequent popular models are Boeing 787-8 Dreamliner at 24.15%, Boeing 787-9 Dreamliner at 16.06%, and Boeing 777 at 2.46%.
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 £477 | Free Cancellation | Rating 6.6 7,086 reviews | |||
| PriceFrom £507 | Free Cancellation | Rating 7.4 8,858 reviews | |||
| PriceFrom £538 | Free Cancellation | Rating 7.4 654 reviews |
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Why should I use momondo to find a flight deal from Louisiana to London?
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 Louisiana to London for you.
Can I find flights from Louisiana to London with flexible booking policies on momondo?
Yes. All flights to London from Louisiana on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Louisiana to London?
Once all potential Louisiana to London 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 Louisiana to London right now. Can momondo alert me if prices change?
If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Louisiana and alert you when they change.