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 $666 on this airline. Additional options worth looking into are Air Canada and United Airlines, starting at $686 and $692 round-trip. British Airways is 23% 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 $374. However, be on the lookout for offers from British Airways and Iberia, as they are both options that can get you from New Orleans to London Heathrow Airport for a low price.

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.

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).

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

Looking at all options, your cheapest flight can be booked for $437. While the most popular route (New Orleans Louis Armstrong - London Heathrow) can be booked for $666 on average our data indicates $2,036 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 (82%), Aer Lingus (82%), Finnair( 82%).

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 $869. 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 3 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.

$267+ Flights from New Orleans to London Heathrow Airport

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from New Orleans to Heathrow 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.

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	$666 (Cheapflightsfares)
One-way from	$267 (Mytrip)
Popular in	June
Cheapest in	March
Average price	$1,231
Good round-trip deal	$741 or less
Good one-way deal	$583 or less

From New Orleans Louis Armstrong to London Heathrow

Search Deals

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

Search Deals

Highest demand for flights based on searches. 20% potential increase in price ($230 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($33 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in June 2025

Search Deals

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

Search Deals

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

Search Deals

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 30, 2025.

Wed 9/249:50 pmMSY - LHR

Nonstop8h 50mBritish Airways

Fri 10/34:05 pmLHR - MSY

Nonstop9h 55mBritish Airways

Deal found 6/28

$666

Tue 8/128:00 amMSY - LHR

2 stops16h 30mMultiple Airlines

Wed 8/2710:25 amLHR - MSY

2 stops38h 48mMultiple Airlines

Deal found 6/28

$684

Wed 8/205:15 amMSY - LHR

2 stops22h 45mAir Canada

Wed 9/32:05 pmLHR - MSY

2 stops34h 47mAir Canada

Deal found 6/28

$686

Wed 9/242:16 pmMSY - LHR

2 stops15h 29mUnited Airlines

Fri 10/35:40 pmLHR - MSY

2 stops31h 48mUnited Airlines

Deal found 6/30

$692

Mon 8/46:16 pmMSY - LHR

1 stop12h 29mAmerican Airlines

Wed 8/204:05 pmLHR - MSY

Nonstop9h 50mAmerican Airlines

Deal found 6/29

$695

Wed 8/1311:35 amMSY - LHR

1 stop13h 00mLufthansa

Thu 8/219:30 amLHR - MSY

2 stops15h 43mLufthansa

Deal found 6/28

$698

Sun 8/102:59 pmMSY - LHR

1 stop16h 31mDelta

Wed 8/2011:30 amLHR - MSY

2 stops17h 30mDelta

Deal found 6/28

$699

Wed 8/209:55 pmMSY - LHR

Nonstop8h 45mIberia

Fri 9/510:30 amLHR - MSY

1 stop18h 18mIberia

Deal found 6/28

$704

Sat 7/265:51 pmMSY - LHR

1 stop30h 39mJetBlue

Sat 8/98:25 amLHR - MSY

1 stop14h 30mJetBlue

Deal found 6/30

$737

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 30, 2025.

Wed 9/249:50 pmMSY - LHR

Nonstop8h 50mBritish Airways

Fri 10/34:05 pmLHR - MSY

Nonstop9h 55mBritish Airways

Deal found 6/28

$666

Tue 8/128:00 amMSY - LHR

2 stops16h 30mMultiple Airlines

Wed 8/2710:25 amLHR - MSY

2 stops38h 48mMultiple Airlines

Deal found 6/28

$684

Wed 8/205:15 amMSY - LHR

2 stops22h 45mAir Canada

Wed 9/32:05 pmLHR - MSY

2 stops34h 47mAir Canada

Deal found 6/28

$686

Wed 9/243:25 pmMSY - LHR

1 stop14h 10mUnited Airlines

Fri 10/35:40 pmLHR - MSY

2 stops31h 48mUnited Airlines

Deal found 6/30

$692

Mon 8/46:16 pmMSY - LHR

1 stop12h 29mAmerican Airlines

Wed 8/204:05 pmLHR - MSY

Nonstop9h 50mAmerican Airlines

Deal found 6/29

$695

Wed 8/1311:35 amMSY - LHR

1 stop13h 00mLufthansa

Thu 8/219:30 amLHR - MSY

2 stops15h 43mLufthansa

Deal found 6/28

$698

Sun 8/102:59 pmMSY - LHR

1 stop16h 31mDelta

Wed 8/2011:30 amLHR - MSY

2 stops17h 30mDelta

Deal found 6/28

$699

Wed 8/209:55 pmMSY - LHR

Nonstop8h 45mIberia

Fri 9/510:30 amLHR - MSY

1 stop18h 18mIberia

Deal found 6/28

$704

Sat 7/265:51 pmMSY - LHR

1 stop30h 39mJetBlue

Sat 8/98:25 amLHR - MSY

1 stop14h 30mJetBlue

Deal found 6/30

$737

Last-minute flights from New Orleans to Heathrow
Discover last-minute flight deals from New Orleans to Heathrow. Data last updated June 30, 2025 and is based on user searches.

Sat 7/55:52 pmMSY - LHR

2 stops33h 38mIcelandair

Sat 7/128:25 amLHR - MSY

1 stop14h 30mIcelandair

Deal found 6/28

$1,300

Sat 7/55:52 pmMSY - LHR

2 stops44h 58mTurkish Airlines

Sat 7/126:30 pmLHR - MSY

2 stops33h 55mTurkish Airlines

Deal found 6/28

$1,536

Sun 7/69:10 pmMSY - LHR

3 stops30h 30mMultiple Airlines

Sun 7/139:30 amLHR - MSY

3 stops28h 35mMultiple Airlines

Deal found 6/29

$1,255

Sun 7/69:50 pmMSY - LHR

Nonstop8h 50mAmerican Airlines

Thu 7/174:05 pmLHR - MSY

Nonstop9h 50mAmerican Airlines

Deal found 6/28

$1,594

Tue 7/86:16 pmMSY - LHR

1 stop12h 29mIberia

Tue 7/2212:15 pmLHR - MSY

1 stop16h 15mIberia

Deal found 6/30

$1,568

Tue 7/87:38 pmMSY - LHR

1 stop12h 47mBritish Airways

Tue 7/2211:00 amLHR - MSY

1 stop14h 34mBritish Airways

Deal found 6/28

$1,572

Tue 7/82:50 pmMSY - LHR

1 stop10h 25mDelta

Tue 7/226:15 amLHR - MSY

2 stops16h 21mDelta

Deal found 6/30

$1,575

Tue 7/86:00 amMSY - LHR

3 stops18h 30mAir Canada

Tue 7/222:05 pmLHR - MSY

2 stops26h 59mAir Canada

Deal found 6/30

$1,587

Thu 7/1012:18 pmMSY - LHR

1 stop15h 12mJetBlue

Mon 7/148:25 amLHR - MSY

1 stop35h 14mJetBlue

Deal found 6/30

$1,149

Thu 7/1011:33 amMSY - LHR

2 stops28h 07mScandinavian Airlines

Thu 7/246:40 amLHR - MSY

2 stops21h 42mScandinavian Airlines

Deal found 6/29

$1,295

Thu 7/103:25 pmMSY - LHR

1 stop14h 10mLufthansa

Thu 7/249:30 amLHR - MSY

2 stops15h 46mLufthansa

Deal found 6/29

$1,610

Thu 7/1012:42 pmMSY - LHR

1 stop12h 13mAustrian Airlines

Thu 7/247:30 pmLHR - MSY

2 stops29h 46mAustrian Airlines

Deal found 6/28

$1,628

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 30, 2025.

Mon 7/282:15 pmMSY - LHR

2 stops24h 05mMultiple Airlines

Deal found 6/28

$267

Thu 7/2412:18 pmMSY - LHR

1 stop15h 12mJetBlue

Deal found 6/30

$374

Mon 9/111:16 amMSY - LHR

1 stop13h 09mBritish Airways

Deal found 6/29

$440

Sun 7/279:50 pmMSY - LHR

Nonstop8h 50mIberia

Deal found 6/30

$441

Mon 9/110:55 amMSY - LHR

2 stops14h 20mDelta

Deal found 6/28

$446

Sat 9/209:50 pmMSY - LHR

Nonstop8h 50mAmerican Airlines

Deal found 6/27

$492

Wed 9/2411:57 amMSY - LHR

2 stops15h 23mUnited Airlines

Deal found 6/30

$1,026

Mon 9/1510:15 amMSY - LHR

1 stop13h 40mAustrian Airlines

Deal found 6/29

$1,157

Wed 9/2412:29 pmMSY - LHR

3 stops23h 16mTAP AIR PORTUGAL

Deal found 6/30

$4,124

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

Wed 9/24

9:50 pm-12:40 pm

Nonstop8h 50m

London Heathrow

Fri 10/3

4:05 pm-8:00 pm

Nonstop9h 55m

$666

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Tue 8/12

8:00 am-6:30 am

2 stops16h 30m

London Heathrow

Wed 8/27

10:25 am-7:13 pm

2 stops38h 48m

$684

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Wed 8/20

5:15 am-10:00 am

2 stops22h 45m

London Heathrow

Wed 9/3

2:05 pm-6:52 pm

2 stops34h 47m

$686

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Wed 9/24

2:16 pm-11:45 am

2 stops15h 29m

London Heathrow

Fri 10/3

5:40 pm-7:28 pm

2 stops31h 48m

$692

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Mon 8/4

6:16 pm-12:45 pm

1 stop12h 29m

London Heathrow

Wed 8/20

4:05 pm-7:55 pm

Nonstop9h 50m

$695

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Wed 8/13

11:35 am-6:35 am

1 stop13h 00m

London Heathrow

Thu 8/21

9:30 am-7:13 pm

2 stops15h 43m

$698

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Sun 8/10

2:59 pm-1:30 pm

1 stop16h 31m

London Heathrow

Wed 8/20

11:30 am-11:00 pm

2 stops17h 30m

$699

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Wed 8/20

9:55 pm-12:40 pm

Nonstop8h 45m

London Heathrow

Fri 9/5

10:30 am-10:48 pm

1 stop18h 18m

$704

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Sat 7/26

5:51 pm-6:30 am

1 stop30h 39m

London Heathrow

Sat 8/9

8:25 am-4:55 pm

1 stop14h 30m

$737

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Mon 7/28

2:15 pm-8:20 pm

2 stops24h 05m

$267

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/28

Showing 1-10 of 19 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 $1,098). 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.

Reviews of airlines servicing Heathrow

Read through reviews of airlines operating flights from New Orleans to London Heathrow Airport, such as Delta, Austrian Airlines, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,969 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

7,969 reviews

Delta

8.0

Very good

7,969 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!

Austrian Airlines

7.6

Good

807 reviews

Delta

8.0

Very good

7,969 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

8,852 reviews

Delta

8.0

Very good

7,969 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

2,920 reviews

Delta

8.0

Very good

7,969 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!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,969 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 3 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 $666 on this airline. Additional options worth looking into are Air Canada and United Airlines, starting at $686 and $692 round-trip. British Airways is 23% 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 $374. However, be on the lookout for offers from British Airways and Iberia, 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 (82%), Aer Lingus (82%), Finnair( 82%).
What are the cheapest flights from New Orleans to London Heathrow Airport?
Looking at all options, your cheapest flight can be booked for $437. While the most popular route (New Orleans Louis Armstrong - London Heathrow) can be booked for $666 on average our data indicates $2,036 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 $1,098). 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

Hayes

Hounslow

Thornton Heath

Canterbury

Harrow

Dover

Stratford-upon-Avon

Gatwick

Orpington

Watford

Northampton

Croydon

Folkestone

Borehamwood

Broadway

Aylesbury

Chelmsford

Brentwood

Chichester

Swindon

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for New Orleans to Heathrow

New Orleans to Gatwick flights

Baton Rouge to Heathrow flights

New Orleans to London City flights

Lafayette to Heathrow flights

Shreveport to Heathrow flights

New Orleans to Stansted flights

Baton Rouge to London City flights

New Orleans to Luton flights

Shreveport to Gatwick flights

Shreveport to London City flights

Monroe to Heathrow flights

Baton Rouge to Gatwick flights

Monroe to Gatwick flights

Other flights to Heathrow

Boston to Heathrow flights

John F Kennedy Intl to Heathrow flights

Newark to Heathrow flights

Dulles Intl to Heathrow flights

Los Angeles to Heathrow flights

San Francisco to Heathrow flights

London Heathrow Airport to Paris Orly Airport flights

London Heathrow Airport to Belfast City Airport flights

London Heathrow Airport to Aberdeen flights

London Heathrow Airport to Manchester flights

London Heathrow Airport to Edinburgh flights

London Heathrow Airport to Glasgow Intl Airport flights

London Heathrow Airport to Barcelona-El Prat Airport flights

London Heathrow Airport to Newcastle upon Tyne flights

London Heathrow Airport to Amsterdam flights

London Heathrow Airport to Luxembourg flights

London Heathrow Airport to Paris Charles de Gaulle Airport flights

London Heathrow Airport to Duesseldorf Intl Airport flights

London Heathrow Airport to Venice Marco Polo Airport flights

London Heathrow Airport to Tirana flights

London Heathrow Airport to Stockholm Arlanda Airport flights

London Heathrow Airport to Naples flights

London Heathrow Airport to Oslo Gardermoen Airport flights

London Heathrow Airport to Corfu flights

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$838	FlexibilityNo cancel fee	On-time62%
Iberia	Cheapest$587	Average$868	FlexibilityNo cancel fee	On-time77%
British Airways	Cheapest$603	Average$889	FlexibilityNo cancel fee	On-time70%
Finnair	Cheapest$635	Average$905	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%

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.

$267+ 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 7/28. 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 30, 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 30, 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 27, 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 30, 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.

Reviews of airlines servicing Heathrow

Read through reviews of airlines operating flights from New Orleans to London Heathrow Airport, such as Delta, Austrian Airlines, and United Airlines. Reviews also offer insight into each airline's 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?

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 New Orleans to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.

Top 8 airlines flying from New Orleans to Heathrow

100% Free

Book with Flexibility

Travel Smart

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 30, 2025.