What are the cheapest airlines flying from New Orleans to London Heathrow Airport round-trip?

Our cheapest airline available from New Orleans to London Heathrow Airport is British Airways. Our recent data shows that you can find tickets from as low as $674 on this airline. Additional options worth looking into are United Airlines and Delta, starting at $683 and $702 round-trip. British Airways is 22% cheaper than the average price of flights available within the next 90 days to this destination.

What are the cheapest airlines to fly from New Orleans to London Heathrow Airport one-way?

The cheapest airline one-way is JetBlue, with whom users have recently found tickets for as low as $324. However, be on the lookout for offers from Air Canada and United Airlines, as they are both options that can get you from New Orleans to London Heathrow Airport for a low price.

What are the cheapest flights from New Orleans to London Heathrow Airport?

Looking at all options, your cheapest flight can be booked for $441. While the most popular route (New Orleans Louis Armstrong - London Heathrow) can be booked for $629 on average our data indicates $2,137 when flying from New Orleans to London Heathrow Airport.

What are the most reliable airlines from New Orleans to London Heathrow Airport?

Before booking your flight to London Heathrow Airport from New Orleans, check out the most reliable airlines to get you to your destination on time: American Airlines (75%), Aer Lingus (75%), Finnair( 75%).

What are the most popular airlines that fly from New Orleans to London Heathrow Airport?

Before booking your flight from New Orleans to London Heathrow Airport check out the most popular airlines for this route: American Airlines, Finnair or JetBlue.

What is the cheapest day to fly round-trip from New Orleans to London Heathrow Airport?

Flying to your destination on a Friday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to London Heathrow Airport. Check prices with Cheapflights to find a great deal for your trip.

What is the cheapest month to fly from New Orleans to London Heathrow Airport?

October can be a great time to fly to London Heathrow Airport from New Orleans with a flight ticket averaging about $872. Cheapflights users have found deals in the month of October for as cheap as $563. The most expensive prices can be found in the month of June.

What airport do you fly from for flights from New Orleans to London Heathrow?

Located just 11.4 mi from the city center, New Orleans Louis Armstrong is the airport most travelers will use when flying to London Heathrow from New Orleans. Booking flights from Louis Armstrong (MSY) to London Heathrow should be relatively easy as there are 2 daily outbound flights to London Heathrow from 8 different airlines.

Can I find deals for flights from New Orleans to Heathrow that include hotel bookings?

Yes. In addition to deals on New Orleans to Heathrow flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from New Orleans to Heathrow?

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

Can I find deals for business class flights from New Orleans to Heathrow?

Yes. Cheapflights offers flight deals from New Orleans 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.

$279+ Flights from New Orleans to London Heathrow Airport

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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”

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Cheapflights Tip: The best prices from New Orleans Louis Armstrong to London Heathrow are usually found in March or January, booked 26 days in advance, depart on a Tuesday or Friday and return on a Tuesday

Cheap flight deals from New Orleans to Heathrow

Round-trip from	$674 (Cheapflightsfares)
One-way from	$279 (Mytrip)
Popular in	June
Cheapest in	March
Average price	$1,176
Good round-trip deal	$755 or less
Good one-way deal	$593 or less

From New Orleans Louis Armstrong to London Heathrow

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One-way flight from New Orleans Louis Armstrong to London Heathrow

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Highest demand for flights based on searches. 19% potential increase in price ($215 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($29 potential savings vs. average RT price).

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Average for round-trip flights in June 2025

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Price to beat on a round-trip flight from New Orleans Louis Armstrong to London Heathrow.

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Price to beat on a one-way flight from New Orleans Louis Armstrong to London Heathrow.

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Find flight deals from New Orleans to Heathrow

Cheapest flights from New Orleans to Heathrow
Explore the most affordable flight options available from New Orleans to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Sun 9/219:50 pmMSY - LHR

Nonstop8h 50mBritish Airways

Tue 9/3012:15 pmLHR - MSY

1 stop15h 05mBritish Airways

Deal found 6/9

$674

Sun 9/212:16 pmMSY - LHR

1 stop11h 24mUnited Airlines

Tue 9/309:30 amLHR - MSY

2 stops32h 14mUnited Airlines

Deal found 6/9

$683

Sun 10/1211:55 amMSY - LHR

2 stops15h 40mMultiple Airlines

Wed 10/225:10 pmLHR - MSY

2 stops47h 52mMultiple Airlines

Deal found 6/9

$686

Mon 8/1811:13 amMSY - LHR

2 stops15h 37mDelta

Thu 9/46:15 amLHR - MSY

2 stops17h 38mDelta

Deal found 6/10

$702

Mon 8/187:00 amMSY - LHR

2 stops17h 35mAir Canada

Thu 9/49:30 amLHR - MSY

2 stops15h 22mAir Canada

Deal found 6/10

$703

Sat 8/1612:16 pmMSY - LHR

1 stop15h 14mJetBlue

Sat 8/238:25 amLHR - MSY

1 stop14h 31mJetBlue

Deal found 6/11

$711

Thu 8/712:31 pmMSY - LHR

1 stop12h 14mVirgin Atlantic

Wed 8/203:15 pmLHR - MSY

1 stop13h 45mVirgin Atlantic

Deal found 6/12

$730

Wed 8/2011:35 amMSY - LHR

2 stops16h 25mLufthansa

Mon 8/259:30 amLHR - MSY

2 stops15h 43mLufthansa

Deal found 6/11

$732

Thu 8/219:55 pmMSY - LHR

Nonstop8h 45mIberia

Wed 8/274:05 pmLHR - MSY

Nonstop9h 50mIberia

Deal found 6/11

$734

Thu 9/119:50 pmMSY - LHR

Nonstop8h 50mAmerican Airlines

Wed 9/174:05 pmLHR - MSY

Nonstop9h 55mAmerican Airlines

Deal found 6/10

$742

Wed 9/1711:10 amMSY - LHR

2 stops22h 50mScandinavian Airlines

Fri 10/36:40 amLHR - MSY

3 stops21h 38mScandinavian Airlines

Deal found 6/11

$865

Best flights from New Orleans to Heathrow
Discover carefully curated flight deals from New Orleans to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 12, 2025.

Sun 9/219:50 pmMSY - LHR

Nonstop8h 50mBritish Airways

Tue 9/3012:15 pmLHR - MSY

1 stop15h 05mBritish Airways

Deal found 6/9

$674

Sun 9/212:16 pmMSY - LHR

1 stop11h 24mUnited Airlines

Tue 9/309:30 amLHR - MSY

2 stops32h 14mUnited Airlines

Deal found 6/9

$683

Sun 10/1211:55 amMSY - LHR

2 stops15h 40mMultiple Airlines

Wed 10/225:10 pmLHR - MSY

2 stops47h 52mMultiple Airlines

Deal found 6/9

$686

Mon 8/1811:13 amMSY - LHR

2 stops15h 37mDelta

Thu 9/46:15 amLHR - MSY

2 stops17h 38mDelta

Deal found 6/10

$702

Mon 8/187:00 amMSY - LHR

2 stops17h 35mAir Canada

Thu 9/49:30 amLHR - MSY

2 stops15h 22mAir Canada

Deal found 6/10

$703

Sat 8/1612:16 pmMSY - LHR

1 stop15h 14mJetBlue

Sat 8/238:25 amLHR - MSY

1 stop14h 31mJetBlue

Deal found 6/11

$711

Fri 9/1211:45 amMSY - LHR

2 stops51h 15mLufthansa

Mon 9/227:30 pmLHR - MSY

2 stops29h 43mLufthansa

Deal found 6/12

$713

Thu 8/712:31 pmMSY - LHR

1 stop12h 14mVirgin Atlantic

Wed 8/203:15 pmLHR - MSY

1 stop13h 45mVirgin Atlantic

Deal found 6/12

$730

Thu 8/219:55 pmMSY - LHR

Nonstop8h 45mIberia

Wed 8/274:05 pmLHR - MSY

Nonstop9h 50mIberia

Deal found 6/12

$733

Thu 9/119:50 pmMSY - LHR

Nonstop8h 50mAmerican Airlines

Wed 9/174:05 pmLHR - MSY

Nonstop9h 55mAmerican Airlines

Deal found 6/10

$742

Wed 9/1711:10 amMSY - LHR

2 stops22h 50mScandinavian Airlines

Fri 10/36:40 amLHR - MSY

3 stops21h 38mScandinavian Airlines

Deal found 6/11

$865

Last-minute flights from New Orleans to Heathrow
Discover last-minute flight deals from New Orleans to Heathrow. Data last updated June 12, 2025 and is based on user searches.

Tue 6/175:00 amMSY - LHR

3 stops19h 35mMultiple Airlines

Tue 6/248:45 amLHR - MSY

3 stops27h 24mMultiple Airlines

Deal found 6/10

$970

Tue 6/178:58 amMSY - LHR

2 stops31h 02mTAP AIR PORTUGAL

Tue 6/246:00 amLHR - MSY

2 stops23h 44mTAP AIR PORTUGAL

Deal found 6/9

$1,461

Tue 6/172:20 pmMSY - LHR

1 stop12h 00mUnited Airlines

Tue 6/242:05 pmLHR - MSY

2 stops29h 13mUnited Airlines

Deal found 6/9

$1,608

Tue 6/176:14 pmMSY - LHR

1 stop12h 31mBritish Airways

Tue 6/2411:00 amLHR - MSY

1 stop14h 27mBritish Airways

Deal found 6/9

$1,626

Tue 6/177:00 amMSY - LHR

3 stops17h 30mAir Canada

Tue 6/242:05 pmLHR - MSY

2 stops26h 59mAir Canada

Deal found 6/10

$1,634

Wed 6/1811:55 amMSY - LHR

1 stop12h 40mLufthansa

Mon 6/301:40 pmLHR - MSY

1 stop14h 10mLufthansa

Deal found 6/12

$1,687

Thu 6/194:08 pmMSY - LHR

1 stop14h 37mIberia

Thu 6/264:05 pmLHR - MSY

Nonstop9h 50mIberia

Deal found 6/12

$1,673

Fri 6/2012:40 pmMSY - LHR

1 stop14h 50mJetBlue

Sat 7/58:25 amLHR - MSY

1 stop14h 32mJetBlue

Deal found 6/10

$882

Fri 6/2012:40 pmMSY - LHR

2 stops21h 20mTurkish Airlines

Sat 7/56:00 pmLHR - MSY

2 stops34h 25mTurkish Airlines

Deal found 6/11

$1,653

Sun 6/229:50 pmMSY - LHR

Nonstop8h 50mAmerican Airlines

Sun 7/134:05 pmLHR - MSY

Nonstop9h 50mAmerican Airlines

Deal found 6/10

$1,686

Sun 6/227:25 amMSY - LHR

1 stop17h 50mDelta

Sat 7/512:25 pmLHR - MSY

2 stops17h 11mDelta

Deal found 6/10

$2,605

Sun 6/229:50 pmMSY - LHR

Nonstop8h 50mFinnair

Sat 6/284:05 pmLHR - MSY

Nonstop9h 50mFinnair

Deal found 6/11

$2,886

One-way flights from New Orleans to Heathrow
Search for one-way flight options from New Orleans to Heathrow. Find affordable one-way fares based on user searches. Data last updated June 12, 2025.

Sun 11/166:30 amMSY - LHR

2 stops18h 40mMultiple Airlines

Deal found 6/11

$279

Wed 7/3012:18 pmMSY - LHR

1 stop15h 12mJetBlue

Deal found 6/10

$324

Sun 11/305:15 amMSY - LHR

2 stops19h 55mAir Canada

Deal found 6/11

$394

Tue 9/3010:01 amMSY - LHR

2 stops17h 34mUnited Airlines

Deal found 6/10

$399

Wed 8/139:55 pmMSY - LHR

Nonstop8h 45mBritish Airways

Deal found 6/12

$437

Sun 7/209:50 pmMSY - LHR

Nonstop8h 50mFinnair

Deal found 6/11

$440

Mon 9/13:06 pmMSY - LHR

2 stops14h 19mDelta

Deal found 6/10

$446

Fri 10/311:55 amMSY - LHR

2 stops51h 05mLufthansa

Deal found 6/11

$448

Wed 7/239:50 pmMSY - LHR

Nonstop8h 50mAmerican Airlines

Deal found 6/12

$451

Thu 7/36:14 pmMSY - LHR

1 stop34h 36mIberia

Deal found 6/10

$645

Wed 7/22:31 pmMSY - LHR

1 stop33h 59mTAP AIR PORTUGAL

Deal found 6/12

$664

Tue 6/2412:40 pmMSY - LHR

2 stops17h 15mIcelandair

Deal found 6/10

$883

Cheapflights Fare Finder

Use the filters below to find and compare flights from New Orleans to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Sun 8/10

6:39 pm-12:30 pm

1 stop11h 51m

London Heathrow

Wed 8/20

1:40 pm-9:39 pm

1 stop13h 59m

$677

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Sun 8/10

9:55 am-7:40 am

1 stop15h 45m

London Heathrow

Wed 8/20

12:05 pm-2:09 pm

2 stops32h 04m

$689

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Sun 8/10

9:55 pm-12:40 pm

Nonstop8h 45m

London Heathrow

Wed 8/20

4:05 pm-7:55 pm

Nonstop9h 50m

$691

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Mon 8/18

11:13 am-8:50 am

2 stops15h 37m

London Heathrow

Thu 9/4

6:15 am-5:53 pm

2 stops17h 38m

$702

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Mon 8/18

7:00 am-6:35 am

2 stops17h 35m

London Heathrow

Thu 9/4

9:30 am-6:52 pm

2 stops15h 22m

$703

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Sat 8/16

12:16 pm-9:30 am

1 stop15h 14m

London Heathrow

Sat 8/23

8:25 am-4:56 pm

1 stop14h 31m

$711

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Wed 8/27

6:00 am-6:30 am

3 stops18h 30m

London Heathrow

Thu 9/4

1:45 pm-12:24 am

2 stops16h 39m

$728

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Thu 8/7

12:31 pm-6:45 am

1 stop12h 14m

London Heathrow

Wed 8/20

3:15 pm-11:00 pm

1 stop13h 45m

$730

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Wed 8/20

11:35 am-10:00 am

2 stops16h 25m

London Heathrow

Mon 8/25

9:30 am-7:13 pm

2 stops15h 43m

$732

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Thu 8/21

9:55 pm-12:40 pm

Nonstop8h 45m

London Heathrow

Wed 8/27

4:05 pm-7:55 pm

Nonstop9h 50m

$733

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 25 results

The best insider tips for New Orleans to London Heathrow Airport flights

Cheapflights partnered with top experts to bring you the best recommendations for your New Orleans to London Heathrow Airport trip

Airports

MSY

Average TSA wait times at MSY are around 15 minutes, thanks to efficient processes and lower passenger volumes.

LHR

Take the Heathrow Express for the fastest route to central London, arriving at Paddington Station.

Our travel experts

Brandon Schultz

Expert on MSY

Ramsey Qubein

Expert on LHR

Best time to book a flight from New Orleans to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from New Orleans 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 New Orleans to London Heathrow Airport

How far ahead should I book a flight from New Orleans to London Heathrow Airport?

The price you pay for your flight from New Orleans to London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 26 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 New Orleans to London Heathrow Airport?

Currently, November is the cheapest month in which you can book a flight from New Orleans to London Heathrow Airport (average of $661). Flying from New Orleans to London Heathrow Airport in June is currently the most expensive (average of $1,108). 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 MSY to LHR?

It’s optimal to fly from New Orleans to London Heathrow Airport in the morning. By choosing this option you can save up to 17% on the cost of your flight, compared to a flight in the evening.

What is the cheapest day to fly from New Orleans to London Heathrow Airport?

Travelers seeking maximum savings on their New Orleans to London Heathrow Airport flight should consider departing on Tuesday evenings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Heathrow by month

In terms of precipitation, rainfall in London Heathrow Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Heathrow Airport when rainfall is around 1.6 in.

Temperature in Heathrow 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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing Heathrow

See what other customers who have flown with Delta, Finnair and United Airlines from New Orleans to London have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,950 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Finnair

7.6

Good

1,290 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,790 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Virgin Atlantic

7.4

Good

652 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

JetBlue

7.3

Good

2,925 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What airport do you fly from for flights from New Orleans to London Heathrow?
Located just 11.4 mi from the city center, New Orleans Louis Armstrong is the airport most travelers will use when flying to London Heathrow from New Orleans. Booking flights from Louis Armstrong (MSY) to London Heathrow should be relatively easy as there are 2 daily outbound flights to London Heathrow from 8 different airlines.
What are the cheapest airlines flying from New Orleans to London Heathrow Airport round-trip?
Our cheapest airline available from New Orleans to London Heathrow Airport is British Airways. Our recent data shows that you can find tickets from as low as $674 on this airline. Additional options worth looking into are United Airlines and Delta, starting at $683 and $702 round-trip. British Airways is 22% cheaper than the average price of flights available within the next 90 days to this destination.
What are the cheapest airlines to fly from New Orleans to London Heathrow Airport one-way?
The cheapest airline one-way is JetBlue, with whom users have recently found tickets for as low as $324. However, be on the lookout for offers from Air Canada and United Airlines, as they are both options that can get you from New Orleans to London Heathrow Airport for a low price.
What are the most reliable airlines from New Orleans to London Heathrow Airport?
Before booking your flight to London Heathrow Airport from New Orleans, check out the most reliable airlines to get you to your destination on time: American Airlines (75%), Aer Lingus (75%), Finnair( 75%).
What are the cheapest flights from New Orleans to London Heathrow Airport?
Looking at all options, your cheapest flight can be booked for $441. While the most popular route (New Orleans Louis Armstrong - London Heathrow) can be booked for $629 on average our data indicates $2,137 when flying from New Orleans to London Heathrow Airport.
Can I find deals for flights from New Orleans to Heathrow that include hotel bookings?
Yes. In addition to deals on New Orleans to Heathrow flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from New Orleans to Heathrow?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from New Orleans to Heathrow.
Can I find deals for business class flights from New Orleans to Heathrow?
Yes. Cheapflights offers flight deals from New Orleans 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 New Orleans to London Heathrow Airport?
Currently, November is the cheapest month in which you can book a flight from New Orleans to London Heathrow Airport (average of $661). Flying from New Orleans to London Heathrow Airport in June is currently the most expensive (average of $1,108). 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

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Top 8 airlines flying from New Orleans to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$182	Average$753	FlexibilityNo cancel fee	On-timeN/A
JetBlue	Cheapest$562	Average$846	FlexibilityNo cancel fee	On-time62%
Iberia	Cheapest$587	Average$865	FlexibilityNo cancel fee	On-time77%
British Airways	Cheapest$597	Average$888	FlexibilityNo cancel fee	On-time70%
Finnair	Cheapest$598	Average$805	FlexibilityNo cancel fee	On-time76%
American Airlines	Cheapest$678	Average$939	FlexibilityNo cancel fee	On-time71%
Virgin Atlantic	Cheapest$690	Average$778	FlexibilityNo cancel fee	On-time72%
United Airlines	Cheapest$728	Average$1,003	FlexibilityNo cancel fee	On-time69%

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$279+ Cheap flights from New Orleans (MSY) to Heathrow (LHR)

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 11/16. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from New Orleans to Heathrow with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from New Orleans Louis Armstrong to London Heathrow are usually found in March or January, booked 26 days in advance, depart on a Tuesday or Friday and return on a Tuesday

Cheap flight deals from New Orleans to Heathrow

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from New Orleans to Heathrow

Cheapest flights from New Orleans to HeathrowExplore the most affordable flight options available from New Orleans to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Explore the most affordable flight options available from New Orleans to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from New Orleans to London Heathrow Airport that are best for you.

The best insider tips for New Orleans to London Heathrow Airport flights

Cheapflights partnered with top experts to bring you the best recommendations for your New Orleans to London Heathrow Airport trip

Airports

MSY

LHR

Our travel experts

Best time to book a flight from New Orleans to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from New Orleans with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from New Orleans to London Heathrow Airport

How far ahead should I book a flight from New Orleans to London Heathrow Airport?

Use this chart to determine the optimal time to book a round-trip flight from New Orleans to Heathrow. Price data was last updated on June 9, 2025.

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

What is the cheapest time of day to fly from MSY to LHR?

Find hourly flight availability from New Orleans 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 June 12, 2025.

What is the cheapest day to fly from New Orleans to London Heathrow Airport?

Use this chart to determine the cheapest time to fly round-trip from New Orleans to Heathrow. Price data was last updated on December 16, 2024.

Rainfall in Heathrow by month

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

Temperature in Heathrow by month

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

Reviews of airlines servicing Heathrow

See what other customers who have flown with Delta, Finnair and United Airlines from New Orleans to London have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

What airport do you fly from for flights from New Orleans to London Heathrow?

What are the cheapest airlines flying from New Orleans to London Heathrow Airport round-trip?

What are the cheapest airlines to fly from New Orleans to London Heathrow Airport one-way?

What are the most reliable airlines from New Orleans to London Heathrow Airport?

What are the cheapest flights from New Orleans to London Heathrow Airport?

Can I find deals for flights from New Orleans to Heathrow that include hotel bookings?

How can I find direct flights from New Orleans to Heathrow?

Can I find deals for business class flights from New Orleans to Heathrow?

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

Traveling to a place near New Orleans?

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Alternative routes for New Orleans to Heathrow

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Top 8 airlines flying from New Orleans to Heathrow

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Cheapest flights from New Orleans to Heathrow
Explore the most affordable flight options available from New Orleans to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.