United's Polaris Business Class offers lie-flat seats, Saks bedding, and priority check-in.
United's Premium Plus offers extra legroom, upgraded meals, and two checked bags.

Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $500 (American Airlines) |
One-way from | $188 (Mytrip) |
Popular in | June |
Cheapest in | November |
Average price | $655 |
Good round-trip deal | $573 or less |
Good one-way deal | $284 or less |
Fly from
Fly to
Route
Depart
Return
Price
NewarkLondon
EWR - LHR
EWRLHR
Newark
Wed 4/22
3:02 pm-8:35 am
1 stop12h 33m
London Heathrow
Mon 4/27
1:50 pm-8:15 pm
1 stop11h 25m
NewarkLondon
EWR - LHR
EWRLHR
Newark
Thu 3/12
8:30 am-6:50 am
1 stop18h 20m
London Heathrow
Tue 3/17
8:55 am-3:55 pm
1 stop11h 00m
NewarkLondon
EWR - LHR
EWRLHR
Newark
Tue 2/3
5:30 pm-8:45 am
1 stop10h 15m
London Heathrow
Wed 3/25
9:40 am-6:38 pm
1 stop12h 58m
NewarkLondon
EWR - LHR
EWRLHR
Newark
Wed 2/4
5:45 pm-8:05 am
1 stop9h 20m
London Heathrow
Wed 2/18
2:45 pm-10:29 pm
1 stop12h 44m
NewarkLondon
EWR - LHR
EWRLHR
Newark
Wed 1/28
10:00 pm-10:25 am
Nonstop7h 25m
London Heathrow
Mon 2/9
8:00 am-11:20 am
Nonstop8h 20m
NewarkLondon
EWR - LHR
EWRLHR
Newark
Fri 2/13
9:10 am-9:20 pm
Nonstop7h 10m
London Heathrow
Fri 2/20
12:00 pm-7:36 pm
1 stop12h 36m
NewarkLondon
EWR - LHR
EWRLHR
Newark
Sat 2/7
9:10 am-9:20 pm
Nonstop7h 10m
London Heathrow
Tue 2/24
8:00 am-11:20 am
Nonstop8h 20m
NewarkLondon
EWR - LHR
EWRLHR
Newark
Wed 3/4
8:00 pm-8:25 am
Nonstop7h 25m
London Heathrow
Wed 3/25
4:00 pm-8:35 pm
Nonstop8h 35m
NewarkLondon
EWR - LHR
EWRLHR
Newark
Tue 3/24
7:00 pm-6:20 am
Nonstop7h 20m
London Heathrow
Wed 4/15
10:25 am-1:20 pm
Nonstop7h 55m
NewarkLondon
EWR - LHR
EWRLHR
Newark
Sun 3/8
7:30 pm-6:50 pm
1 stop19h 20m
London Heathrow
Sat 3/14
6:40 am-2:25 pm
1 stop11h 45m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
To ensure you get the cheapest price possible for a flight from Newark Airport to London Heathrow Airport, you should look to book at least 56 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, November is the cheapest month in which you can book a flight from Newark Airport to London Heathrow Airport (average of $458). Flying from Newark Airport to London Heathrow Airport in June is currently the most expensive (average of $616). 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.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Newark Airport to London Heathrow Airport as you normally would.
About 20% of weekly flights between Newark and London have experienced delays in the past year, with the average delay time being 166 minutes.
Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.
Tuesday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.
Over the last year, United Airlines have had the lowest number of delays on this route, with just 20% of flights being delayed.
Dublin (DUB) – chosen by Cheapflights users on 44% of 1-stop itineraries from Newark Airport to London Heathrow Airport on Cheapflights.
Lisbon (LIS) is the most affordable 1-stop option, with an average round-trip price of $474.
Flights via Dublin (DUB) have the shortest average one-way travel time for 1-stop routes: 9h 44m.
Flights via Dublin (DUB) offer the fastest connection on this route, with an average layover time of 2h 12m.
Entertainment
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Reviews
Julia,Sep 2025
BUF - DEN
Entertainment
Food
Boarding
Crew
Comfort
Overall
Reviews
Julia,Sep 2025
BUF - DEN
Entertainment
Food
Boarding
Crew
Comfort
Overall
Reviews
Julia,Sep 2025
BUF - DEN
Entertainment
Food
Boarding
Crew
Comfort
Overall
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Julia,Sep 2025
BUF - DEN
Entertainment
Food
Boarding
Crew
Comfort
Overall
Reviews
Julia,Sep 2025
BUF - DEN
Entertainment
Food
Boarding
Crew
Comfort
Overall
Reviews
Julia,Sep 2025
BUF - DEN
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$221 | Average$494 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$340 | Average$619 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$357 | Average$628 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$381 | Average$465 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$415 | Average$735 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$452 | Average$585 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$458 | Average$490 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$470 | Average$567 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$478 | Average$656 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$486 | Average$592 | FlexibilityNo cancel fee | On-time67% |