United's Polaris Business Class features lie-flat seats and Saks Fifth Avenue bedding.
United's Premium Plus offers bigger seats, extra legroom, and upgraded meals.

Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $511 (Kiwi.com) |
One-way from | $223 (CrystalTravel) |
Popular in | June |
Cheapest in | September |
Average price | $579 |
Good round-trip deal | $526 or less |
Good one-way deal | $284 or less |
Fly from
Fly to
Route
Depart
Return
Price
NewarkLondon
EWR - LHR
EWRLHR
Newark
Mon 11/17
5:00 pm-8:45 am
1 stop10h 45m
London Heathrow
Mon 11/24
9:00 am-2:55 pm
1 stop10h 55m
NewarkLondon
EWR - LHR
EWRLHR
Newark
Fri 12/5
8:25 am-8:35 pm
Nonstop7h 10m
London Heathrow
Fri 12/12
4:00 pm-7:35 pm
Nonstop8h 35m
NewarkLondon
EWR - LHR
EWRLHR
Newark
Wed 12/3
9:35 pm-9:30 am
Nonstop6h 55m
London Heathrow
Wed 1/14
10:40 am-1:50 pm
Nonstop8h 10m
NewarkLondon
EWR - LHR
EWRLHR
Newark
Mon 11/17
10:40 pm-11:05 am
Nonstop7h 25m
London Heathrow
Fri 12/5
9:10 am-12:35 pm
Nonstop8h 25m
NewarkLondon
EWR - LHR
EWRLHR
Newark
Mon 11/10
10:00 pm-10:25 am
Nonstop7h 25m
London Heathrow
Mon 11/17
1:25 pm-8:37 pm
1 stop12h 12m
NewarkLondon
EWR - LGW
EWRLGW
Newark
Sun 11/30
7:35 pm-10:55 am
1 stop10h 20m
London Gatwick
Fri 1/16
11:55 am-6:25 pm
1 stop11h 30m
NewarkLondon
EWR - LHR
EWRLHR
Newark
Tue 11/25
9:10 am-9:20 pm
Nonstop7h 10m
London Heathrow
Wed 12/3
12:05 pm-8:30 pm
1 stop13h 25m
NewarkLondon
EWR - LGW
EWRLGW
Newark
Sun 11/30
7:35 pm-10:55 am
1 stop10h 20m
London Gatwick
Tue 1/13
11:55 am-6:25 pm
1 stop11h 30m
NewarkLondon
EWR - LHR
EWRLHR
Newark
Mon 11/24
10:40 pm-11:05 am
Nonstop7h 25m
London Heathrow
Wed 12/3
9:00 am-8:30 pm
1 stop16h 30m
NewarkLondon
EWR - LGW
EWRLGW
Newark
Wed 12/3
7:35 pm-10:55 am
1 stop10h 20m
London Gatwick
Wed 1/14
11:55 am-6:25 pm
1 stop11h 30m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
The price you pay for your flight from Newark Airport to London may vary depending on when you book. For the best chance of a lower fare, look to book 63 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Currently, January is the cheapest month in which you can book a flight from Newark Airport to London (average of $397). Flying from Newark Airport to London in June is currently the most expensive (average of $621). 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.
A simple way to save on the total cost of your ticket is to fly from Newark Airport to London in the morning. If you’re flexible enough to do this you can expect to save up to 10% on your trip compared to booking a flight at noon.
Travelers seeking maximum savings on their Newark Airport to London flight should consider departing on Friday mornings when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Dublin (DUB) – chosen by Cheapflights users on 37% of 1-stop itineraries from Newark Airport to London on Cheapflights.
Detroit (DTW) is the most affordable 1-stop option, with an average round-trip price of $417.
Flights via Dublin (DUB) have the shortest average one-way travel time for 1-stop routes: 9h 44m.
Flights via Detroit (DTW) offer the fastest connection on this route, with an average layover time of 1h 52m.
Comfort
Entertainment
Food
Crew
Overall
Boarding
Reviews
Julia,Sep 2025
BUF - DEN
Comfort
Entertainment
Food
Crew
Overall
Boarding
Reviews
Julia,Sep 2025
BUF - DEN
Comfort
Entertainment
Food
Crew
Overall
Boarding
Reviews
Julia,Sep 2025
BUF - DEN
Comfort
Entertainment
Food
Crew
Overall
Boarding
Reviews
Julia,Sep 2025
BUF - DEN
Comfort
Entertainment
Food
Crew
Overall
Boarding
Reviews
Julia,Sep 2025
BUF - DEN
Comfort
Entertainment
Food
Crew
Overall
Boarding
Reviews
Julia,Sep 2025
BUF - DEN
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$322 | Average$527 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$340 | Average$406 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$340 | Average$583 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$363 | Average$525 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$387 | Average$639 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$389 | Average$571 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$392 | Average$529 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$403 | Average$631 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$403 | Average$415 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$469 | Average$601 | FlexibilityNo cancel fee | On-time76% |