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 JetBlue. Our recent data shows that you can find tickets from as low as $81 on this airline. Additional options worth looking into are Delta and Iberia, starting at $182 and $595 round-trip. JetBlue is 90% cheaper than the average price of flights available within the next 90 days to this destination.

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 $441. While the most popular route (New Orleans Louis Armstrong - London Heathrow) can be booked for $559 on average our data indicates $1,859 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 (69%), Aer Lingus (69%), Finnair( 69%).

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, JetBlue or British Airways.

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 $857. Cheapflights users have found deals in the month of October for as cheap as $562. 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 7 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.

$225+ Flights from New Orleans to London Heathrow Airport

Q: How much does it cost to fly round-trip from New Orleans to London Heathrow Airport?

Airfare is below average for this route at the moment. New Orleans to London Heathrow Airport flights typically cost between $785 and $999 in October. The cheapest round-trip price found within the last 3 days was $581 on Air Canada (Oct 14-Oct 29).

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 September or March, booked 12 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from New Orleans to Heathrow

Round-trip from	$581 (United Airlines)
One-way from	$225 (Mytrip)
Popular in	June
Cheapest in	September
Average price	$868
Good round-trip deal	$688 or less
Good one-way deal	$531 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. 21% potential increase in price ($236 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 August 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 agosto 14, 2025.

mar. 10/148:06 pmMSY - LHR

2 stops28h 24mAir Canada

mié. 10/296:00 pmLHR - MSY

1 stop28h 17mAir Canada

Deal found 8/14

$581

mié. 10/811:55 amMSY - LHR

1 stop17h 55mAir Canada

mar. 10/215:40 pmLHR - MSY

1 stop23h 22mAir Canada

Deal found 8/14

$583

dom. 9/142:16 pmMSY - LHR

1 stop11h 24mUnited Airlines

mar. 9/3011:05 amLHR - MSY

1 stop17h 16mUnited Airlines

Deal found 8/13

$584

mar. 10/72:17 pmMSY - LHR

2 stops15h 28mUnited Airlines

jue. 10/161:40 pmLHR - MSY

1 stop13h 51mUnited Airlines

Deal found 8/14

$585

lun. 9/2211:45 amMSY - LHR

2 stops36h 45mMultiple Airlines

lun. 9/295:50 pmLHR - MSY

2 stops47h 12mMultiple Airlines

Deal found 8/13

$586

mié. 10/1512:42 pmMSY - LHR

1 stop15h 58mUnited Airlines

lun. 11/311:05 amLHR - MSY

2 stops37h 58mUnited Airlines

Deal found 8/13

$587

dom. 9/77:00 amMSY - LHR

2 stops16h 55mUnited Airlines

vie. 9/1911:05 amLHR - MSY

2 stops16h 37mUnited Airlines

Deal found 8/13

$589

sáb. 9/275:18 pmMSY - LHR

1 stop34h 07mIberia

vie. 10/1712:00 pmLHR - MSY

1 stop14h 01mIberia

Deal found 8/13

$590

dom. 9/287:00 amMSY - LHR

2 stops17h 35mAir Canada

vie. 10/179:30 amLHR - MSY

2 stops19h 45mAir Canada

Deal found 8/13

$591

mié. 10/1512:38 pmMSY - LHR

2 stops20h 17mIberia

jue. 10/309:45 amLHR - MSY

1 stop16h 50mIberia

Deal found 8/14

$593

jue. 9/43:25 pmMSY - LHR

1 stop14h 10mUnited Airlines

mié. 9/174:40 pmLHR - MSY

1 stop23h 37mUnited Airlines

Deal found 8/14

$594

mié. 10/159:15 amMSY - LHR

2 stops16h 00mUnited Airlines

mié. 10/229:30 amLHR - MSY

2 stops18h 01mUnited Airlines

Deal found 8/13

$596

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 agosto 14, 2025.

dom. 9/282:17 pmMSY - LHR

1 stop11h 23mUnited Airlines

vie. 10/175:40 pmLHR - MSY

1 stop23h 22mUnited Airlines

Deal found 8/13

$581

mar. 10/148:06 pmMSY - LHR

2 stops28h 24mAir Canada

mié. 10/296:00 pmLHR - MSY

1 stop28h 17mAir Canada

Deal found 8/14

$581

mié. 10/85:15 amMSY - LHR

1 stop20h 25mMultiple Airlines

mié. 10/225:40 pmLHR - MSY

2 stops47h 22mMultiple Airlines

Deal found 8/13

$581

mié. 9/2410:57 amMSY - LHR

2 stops15h 58mDelta

vie. 10/38:40 amLHR - MSY

2 stops17h 37mDelta

Deal found 8/12

$583

mar. 10/148:06 pmMSY - LHR

2 stops28h 24mAir Canada

mar. 10/286:00 pmLHR - MSY

1 stop28h 17mAir Canada

Deal found 8/14

$581

lun. 9/292:17 pmMSY - LHR

1 stop11h 23mUnited Airlines

vie. 10/175:40 pmLHR - MSY

1 stop23h 22mUnited Airlines

Deal found 8/13

$581

lun. 8/1811:45 amMSY - LHR

2 stops36h 45mAir Canada

jue. 9/49:30 amLHR - MSY

2 stops31h 32mAir Canada

Deal found 8/12

$582

mié. 10/1511:55 amMSY - LHR

1 stop12h 40mUnited Airlines

jue. 10/235:40 pmLHR - MSY

1 stop23h 22mUnited Airlines

Deal found 8/12

$583

mié. 10/811:55 amMSY - LHR

1 stop17h 55mAir Canada

vie. 10/174:00 pmLHR - MSY

1 stop25h 02mAir Canada

Deal found 8/14

$583

dom. 10/511:55 amMSY - LHR

1 stop12h 40mUnited Airlines

jue. 10/235:40 pmLHR - MSY

1 stop23h 22mUnited Airlines

Deal found 8/12

$583

mié. 10/111:55 amMSY - LHR

1 stop17h 55mUnited Airlines

vie. 10/245:40 pmLHR - MSY

1 stop23h 22mUnited Airlines

Deal found 8/12

$583

mié. 10/811:55 amMSY - LHR

1 stop17h 55mAir Canada

jue. 10/165:40 pmLHR - MSY

1 stop23h 22mAir Canada

Deal found 8/14

$583

Last-minute flights from New Orleans to Heathrow
Discover last-minute flight deals from New Orleans to Heathrow. Data last updated agosto 14, 2025 and is based on user searches.

mar. 8/1912:18 pmMSY - LHR

1 stop26h 27mJetBlue

mar. 8/268:15 amLHR - MSY

1 stop33h 16mJetBlue

Deal found 8/14

$802

mar. 8/1912:18 pmMSY - LHR

1 stop26h 27mJetBlue

dom. 8/318:25 amLHR - MSY

1 stop14h 35mJetBlue

Deal found 8/14

$818

mié. 8/2011:57 amMSY - LHR

2 stops20h 43mLufthansa

mié. 8/279:30 amLHR - MSY

2 stops15h 43mLufthansa

Deal found 8/13

$665

mié. 8/2011:16 amMSY - LHR

1 stop15h 44mIberia

mié. 8/274:05 pmLHR - MSY

Nonstop9h 50mIberia

Deal found 8/13

$821

jue. 8/212:16 pmMSY - LHR

1 stop15h 19mUnited Airlines

jue. 8/286:55 amLHR - MSY

2 stops19h 00mUnited Airlines

Deal found 8/14

$620

jue. 8/2112:40 pmMSY - LHR

1 stop16h 00mUnited Airlines

mié. 8/276:50 amLHR - MSY

2 stops18h 26mUnited Airlines

Deal found 8/14

$624

jue. 8/216:39 pmMSY - LHR

1 stop11h 51mBritish Airways

jue. 8/281:40 pmLHR - MSY

1 stop13h 59mBritish Airways

Deal found 8/14

$630

jue. 8/216:15 pmMSY - LHR

1 stop12h 30mIberia

dom. 8/2410:30 amLHR - MSY

1 stop15h 46mIberia

Deal found 8/14

$678

jue. 8/217:25 amMSY - LHR

1 stop17h 50mDelta

dom. 8/2411:45 amLHR - MSY

2 stops17h 46mDelta

Deal found 8/14

$733

jue. 9/411:57 amMSY - LHR

1 stop13h 43mUnited Airlines

mié. 9/171:40 pmLHR - MSY

1 stop15h 48mUnited Airlines

Deal found 8/13

$593

sáb. 9/66:33 pmMSY - LHR

1 stop29h 52mBritish Airways

vie. 9/198:20 amLHR - MSY

1 stop13h 16mBritish Airways

Deal found 8/13

$585

dom. 9/77:00 amMSY - LHR

2 stops16h 55mUnited Airlines

vie. 9/1911:05 amLHR - MSY

2 stops16h 37mUnited Airlines

Deal found 8/13

$589

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 agosto 14, 2025.

vie. 9/192:38 pmMSY - LHR

2 stops25h 22mMultiple Airlines

Deal found 8/13

$225

lun. 9/222:38 pmMSY - LHR

2 stops37h 42mMultiple Airlines

Deal found 8/13

$233

dom. 9/212:38 pmMSY - LHR

2 stops22h 12mMultiple Airlines

Deal found 8/14

$237

vie. 10/242:55 pmMSY - LHR

2 stops21h 55mMultiple Airlines

Deal found 8/14

$243

jue. 10/232:55 pmMSY - LHR

2 stops37h 25mMultiple Airlines

Deal found 8/14

$257

dom. 9/78:13 pmMSY - LHR

2 stops43h 47mMultiple Airlines

Deal found 8/12

$269

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

dom. 9/28

2:17 pm-7:40 am

1 stop11h 23m

London Heathrow

vie. 10/17

5:40 pm-11:02 am

1 stop23h 22m

$581

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

mar. 10/14

8:06 pm-6:30 am

2 stops28h 24m

London Heathrow

mié. 10/29

6:00 pm-5:17 pm

1 stop28h 17m

$581

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

mié. 10/8

5:15 am-7:40 am

1 stop20h 25m

London Heathrow

mié. 10/22

5:40 pm-11:02 am

2 stops47h 22m

$581

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

mar. 10/14

8:06 pm-6:30 am

2 stops28h 24m

London Heathrow

mar. 10/28

6:00 pm-5:17 pm

1 stop28h 17m

$581

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

lun. 9/29

2:17 pm-7:40 am

1 stop11h 23m

London Heathrow

vie. 10/17

5:40 pm-11:02 am

1 stop23h 22m

$581

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

lun. 8/18

11:45 am-6:30 am

2 stops36h 45m

London Heathrow

jue. 9/4

9:30 am-11:02 am

2 stops31h 32m

$582

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

mié. 9/24

10:57 am-8:55 am

2 stops15h 58m

London Heathrow

vie. 10/3

8:40 am-8:17 pm

2 stops17h 37m

$583

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

mié. 10/15

11:55 am-6:35 am

1 stop12h 40m

London Heathrow

jue. 10/23

5:40 pm-11:02 am

1 stop23h 22m

$583

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

mié. 10/8

11:55 am-11:50 am

1 stop17h 55m

London Heathrow

vie. 10/17

4:00 pm-11:02 am

1 stop25h 02m

$583

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

dom. 10/5

11:55 am-6:35 am

1 stop12h 40m

London Heathrow

jue. 10/23

5:40 pm-11:02 am

1 stop23h 22m

$583

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 21 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 12 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 $1,097). 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 19% 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 Wednesday mornings 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.

How much does it cost to fly round-trip from New Orleans to London Heathrow Airport?

Reviews of airlines servicing Heathrow

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

Delta

8.0

Very good

7,980 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

7,980 reviews

Delta

8.0

Very good

7,980 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

7,980 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

7.2

Good

2,913 reviews

Delta

8.0

Very good

7,980 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!

Iberia

7.0

Good

2,882 reviews

Delta

8.0

Very good

7,980 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!

British Airways

6.7

Okay

7,266 reviews

Delta

8.0

Very good

7,980 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 7 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 JetBlue. Our recent data shows that you can find tickets from as low as $81 on this airline. Additional options worth looking into are Delta and Iberia, starting at $182 and $595 round-trip. JetBlue is 90% cheaper than the average price of flights available within the next 90 days to this destination.
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 (69%), Aer Lingus (69%), Finnair( 69%).
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 $559 on average our data indicates $1,859 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 $1,097). 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

Hounslow

Hayes

Thornton Heath

Harrow

Canterbury

Dartford

Dover

Stratford-upon-Avon

Orpington

Watford

Northampton

Gatwick

Borehamwood

Broadway

Aylesbury

Chelmsford

Southend-on-Sea

Folkestone

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

New Orleans to London City flights

New Orleans to Stansted flights

Baton Rouge to Heathrow flights

Lafayette to Heathrow flights

Shreveport to Heathrow flights

New Orleans to Luton flights

Baton Rouge to London City flights

Baton Rouge to Gatwick flights

Monroe to Heathrow flights

Monroe to Gatwick flights

Shreveport to London City flights

Shreveport to Gatwick flights

Other flights to Heathrow

John F Kennedy Intl to Heathrow flights

Boston to Heathrow flights

Newark to Heathrow flights

Dulles Intl to Heathrow flights

Philadelphia to Heathrow flights

Los Angeles to Heathrow flights

London Heathrow Airport to Manchester flights

London Heathrow Airport to Aberdeen flights

London Heathrow Airport to Inverness flights

London Heathrow Airport to Manchester flights

London Heathrow Airport to Belfast City Airport flights

London Heathrow Airport to Paris Orly Airport flights

London Heathrow Airport to Newcastle upon Tyne flights

London Heathrow Airport to Toulouse flights

London Heathrow Airport to Luxembourg flights

London Heathrow Airport to Milan Linate Airport flights

London Heathrow Airport to Belgrade flights

London Heathrow Airport to Naples flights

London Heathrow Airport to Brussels Bruxelles-National Airport flights

London Heathrow Airport to Barcelona-El Prat Airport flights

London Heathrow Airport to Hamburg flights

London Heathrow Airport to Pisa flights

London Heathrow Airport to Bucharest Otopeni Intl Airport flights

Top 7 airlines flying from New Orleans to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
JetBlue	Cheapest$81	Average$822	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$182	Average$698	FlexibilityNo cancel fee	On-timeN/A
Iberia	Cheapest$595	Average$885	FlexibilityNo cancel fee	On-time77%
British Airways	Cheapest$601	Average$868	FlexibilityNo cancel fee	On-time70%
United Airlines	Cheapest$614	Average$869	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$678	Average$948	FlexibilityNo cancel fee	On-time71%
Virgin Atlantic	Cheapest$690	Average$777	FlexibilityNo cancel fee	On-time72%

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.

$225+ 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 9/19. 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 September or March, booked 12 days in advance, depart on a Tuesday or Wednesday 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 agosto 14, 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 agosto 14, 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 August 8, 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 agosto 14, 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.

How much does it cost to fly round-trip from New Orleans to London Heathrow Airport?

Reviews of airlines servicing Heathrow

Read through reviews of airlines operating flights from New Orleans to London Heathrow Airport, such as Delta, American Airlines, and JetBlue. 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 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 London Heathrow Airport?

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 7 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 agosto 14, 2025.