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 | $492 (Booking.com) |
One-way from | $182 (SmartFares) |
Popular in | June |
Cheapest in | November |
Average price | $710 |
Good round-trip deal | $549 or less |
Good one-way deal | $273 or less |
Fly from
Fly to
Route
Depart
Return
Price
NewarkLondon
EWR - LHR
EWRLHR
Newark
jeu. 1/8
8:00 pm-8:25 am
Nonstop7h 25m
London Heathrow
lun. 1/12
12:05 pm-8:30 pm
1 stop13h 25m
NewarkLondon
EWR - LHR
EWRLHR
Newark
jeu. 1/15
1:00 pm-8:35 pm
1 stop26h 35m
London Heathrow
jeu. 2/26
12:05 pm-8:30 pm
1 stop13h 25m
NewarkLondon
EWR - LHR
EWRLHR
Newark
mer. 1/14
8:25 am-8:35 pm
Nonstop7h 10m
London Heathrow
mer. 1/21
2:50 pm-2:15 pm
1 stop28h 25m
NewarkLondon
EWR - LHR
EWRLHR
Newark
ven. 1/16
4:30 pm-8:30 am
1 stop11h 00m
London Heathrow
dim. 2/1
9:00 am-8:30 pm
1 stop16h 30m
NewarkLondon
EWR - LHR
EWRLHR
Newark
jeu. 3/19
3:34 pm-6:50 am
1 stop11h 16m
London Heathrow
dim. 3/22
8:55 am-3:55 pm
1 stop11h 00m
NewarkLondon
EWR - LHR
EWRLHR
Newark
sam. 3/7
3:58 pm-6:50 am
1 stop9h 52m
London Heathrow
sam. 3/14
9:00 am-3:55 pm
1 stop10h 55m
NewarkLondon
EWR - LHR
EWRLHR
Newark
sam. 1/24
3:40 pm-7:50 am
1 stop11h 10m
London Heathrow
mer. 1/28
9:00 am-2:55 pm
1 stop10h 55m
NewarkLondon
EWR - LHR
EWRLHR
Newark
mar. 1/20
3:40 pm-6:50 am
1 stop10h 10m
London Heathrow
mer. 1/28
8:55 am-2:55 pm
1 stop11h 00m
NewarkLondon
EWR - LHR
EWRLHR
Newark
ven. 3/6
3:58 pm-6:50 am
1 stop9h 52m
London Heathrow
sam. 3/14
8:55 am-3:55 pm
1 stop11h 00m
NewarkLondon
EWR - LHR
EWRLHR
Newark
jeu. 4/23
8:25 am-8:40 pm
Nonstop7h 15m
London Heathrow
lun. 4/27
1:50 pm-8:15 pm
1 stop11h 25m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 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, February is the cheapest month in which you can book a flight from Newark Airport to London Heathrow Airport (average of $405). Flying from Newark Airport to London Heathrow Airport in June is currently the most expensive (average of $617). 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.
It’s optimal to fly from Newark Airport to London Heathrow Airport at noon. By choosing this option you can save up to 31% on the cost of your flight, compared to a flight in the afternoon.
Travelers seeking maximum savings on their Newark Airport to London Heathrow Airport flight should consider departing on Tuesday at noon when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
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 41% 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.
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Julia,Sep 2025
BUF - DEN
Crew
Entertainment
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Reviews
Julia,Sep 2025
BUF - DEN
Crew
Entertainment
Food
Boarding
Overall
Comfort
Reviews
Julia,Sep 2025
BUF - DEN
Crew
Entertainment
Food
Boarding
Overall
Comfort
Reviews
Julia,Sep 2025
BUF - DEN
Crew
Entertainment
Food
Boarding
Overall
Comfort
Reviews
Julia,Sep 2025
BUF - DEN
Crew
Entertainment
Food
Boarding
Overall
Comfort
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$583 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$357 | Average$633 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$376 | Average$715 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$392 | Average$509 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$396 | Average$584 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$410 | Average$642 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$458 | Average$490 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$469 | Average$551 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$480 | Average$659 | FlexibilityNo cancel fee | On-time71% |