Heathrow's strict security means longer waits. Ensure all liquids are in one bag to avoid delays from manual screenings.

Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | Gurufare 3 stars |
Round-trip from | $806 (ChecknFly) |
One-way from | $397 (Kiwi.com) |
Popular in | December |
Cheapest in | September |
Average price | $1,218 |
Fly from
Fly to
Route
Depart
Return
Price
LondonNew Orleans
LHR - MSY
LHRMSY
London Heathrow
Mon 2/16
9:20 am-5:51 pm
1 stop14h 31m
New Orleans Louis Armstrong
Thu 2/19
8:05 pm-8:45 pm
1 stop18h 40m
LondonNew Orleans
LHR - MSY
LHRMSY
London Heathrow
Tue 5/5
7:25 am-7:32 pm
2 stops18h 07m
New Orleans Louis Armstrong
Wed 5/13
5:49 pm-12:20 pm
1 stop12h 31m
LondonNew Orleans
LHR - MSY
LHRMSY
London Heathrow
Thu 1/22
7:05 am-10:02 pm
3 stops20h 57m
New Orleans Louis Armstrong
Mon 1/26
11:43 am-4:00 pm
2 stops22h 17m
LondonNew Orleans
LHR - MSY
LHRMSY
London Heathrow
Sun 2/8
7:50 pm-10:58 pm
3 stops33h 08m
New Orleans Louis Armstrong
Fri 2/13
6:15 am-6:30 pm
3 stops30h 15m
LondonNew Orleans
LHR - MSY
LHRMSY
London Heathrow
Sat 2/7
8:50 pm-11:09 pm
3 stops32h 19m
New Orleans Louis Armstrong
Fri 2/13
9:17 am-12:50 pm
2 stops21h 33m
LondonNew Orleans
LHR - MSY
LHRMSY
London Heathrow
Fri 1/16
6:30 am-5:17 pm
2 stops16h 47m
New Orleans Louis Armstrong
Mon 1/19
8:10 am-9:40 am
1 stop19h 30m
LondonNew Orleans
LHR - MSY
LHRMSY
London Heathrow
Thu 2/12
8:30 am-10:37 pm
2 stops20h 07m
New Orleans Louis Armstrong
Thu 2/19
9:45 am-8:25 am
2 stops16h 40m
LondonNew Orleans
LHR - MSY
LHRMSY
London Heathrow
Fri 1/9
6:50 am-10:29 pm
2 stops21h 39m
New Orleans Louis Armstrong
Mon 1/12
3:59 pm-7:30 am
1 stop33h 31m
LondonNew Orleans
LHR - MSY
LHRMSY
London Heathrow
Sat 2/7
8:30 am-7:45 pm
2 stops17h 15m
New Orleans Louis Armstrong
Fri 2/13
12:30 pm-6:20 am
1 stop11h 50m
LondonNew Orleans
LHR - MSY
LHRMSY
London Heathrow
Thu 4/23
7:30 am-9:17 pm
2 stops19h 47m
New Orleans Louis Armstrong
Mon 4/27
2:14 pm-7:40 am
1 stop11h 26m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star |
To ensure you get the cheapest price possible for a flight from London Heathrow Airport to New Orleans, you should look to book at least 33 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to New Orleans (average of $588). Flying from London Heathrow Airport to New Orleans in July is currently the most expensive (average of $754). 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.
When flying from London Heathrow Airport to New Orleans, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
About 20% of weekly flights between London and New Orleans have experienced delays in the past year, with the average delay time being 115 minutes.
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
Monday tends to have the lowest number of delays on this route, whereas Wednesday has historically faced a higher average of delays compared to other days of the week.
Over the last year, British Airways have had the lowest number of delays on this route, with just 20% of flights being delayed.
Boarding
Overall
Comfort
Crew
Food
Entertainment
Reviews
Roxanne,Sep 2025
LHR - IAD
Boarding
Overall
Comfort
Crew
Food
Entertainment
Reviews
Roxanne,Sep 2025
LHR - IAD
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$805 | Average$933 | FlexibilityNo cancel fee | On-time70% |