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 | Justfly.com 3 stars |
|---|---|
Most trusted provider | Justfly.com 3 stars |
Round-trip from | $493 (Kiwi.com) |
One-way from | $177 (Mytrip) |
Popular in | June |
Cheapest in | October |
Average price | $727 |
Good round-trip deal | $538 or less |
Good one-way deal | $277 or less |
Fly from
Fly to
Route
Depart
Return
Price
NewarkLondon
EWR - LHR
EWRLHR
Newark
Sat 1/10
8:25 am-8:35 pm
Nonstop7h 10m
London Heathrow
Tue 3/10
12:05 pm-9:30 pm
1 stop13h 25m
NewarkLondon
EWR - LHR
EWRLHR
Newark
Tue 3/3
6:00 pm-6:20 am
Nonstop7h 20m
London Heathrow
Fri 3/6
12:05 pm-8:30 pm
1 stop13h 25m
NewarkLondon
EWR - LHR
EWRLHR
Newark
Sat 2/28
10:00 pm-10:25 am
Nonstop7h 25m
London Heathrow
Fri 3/6
12:05 pm-8:30 pm
1 stop13h 25m
NewarkLondon
EWR - LHR
EWRLHR
Newark
Mon 1/19
3:30 pm-7:10 am
1 stop10h 40m
London Heathrow
Thu 1/22
12:05 pm-8:30 pm
1 stop13h 25m
NewarkLondon
EWR - STN
EWRSTN
Newark
Mon 1/19
5:30 pm-3:45 pm
1 stop17h 15m
London Stansted
Mon 1/26
7:35 am-3:40 pm
1 stop13h 05m
NewarkLondon
EWR - STN
EWRSTN
Newark
Tue 1/6
9:05 am-2:20 pm
2 stops24h 15m
London Stansted
Sun 1/11
1:30 pm-8:30 pm
2 stops36h 00m
NewarkLondon
EWR - LHR
EWRLHR
Newark
Wed 12/31
8:45 pm-9:10 am
Nonstop7h 25m
London Heathrow
Tue 2/10
3:10 pm-6:45 pm
Nonstop8h 35m
NewarkLondon
EWR - STN
EWRSTN
Newark
Fri 1/9
5:45 pm-7:50 am
1 stop9h 05m
London Stansted
Sat 1/17
8:30 am-4:15 pm
1 stop12h 45m
NewarkLondon
EWR - LTN
EWRLTN
Newark
Sun 1/25
10:35 pm-6:15 pm
1 stop14h 40m
London Luton
Sun 2/1
8:30 am-8:25 pm
1 stop16h 55m
NewarkLondon
EWR - STN
EWRSTN
Newark
Fri 1/30
5:30 pm-3:15 pm
1 stop16h 45m
London Stansted
Wed 2/4
6:00 am-3:40 pm
1 stop14h 40m
| 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 Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy2 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, October is the cheapest month in which you can book a flight from Newark Airport to London (average of $399). Flying from Newark Airport to London in June is currently the most expensive (average of $620). 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 9% 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.
The most flights from EWR to LON are scheduled on a Wednesday (51 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (33 on average).
Dublin (DUB) – chosen by Cheapflights users on 37% of 1-stop itineraries from Newark Airport to London 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.
About 20% of weekly flights between Newark and London have experienced delays in the past year, with the average delay time being 167 minutes.
Historically, flights departing in the morning 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 19% of flights being delayed.
Comfort
Crew
Boarding
Entertainment
Overall
Food
Reviews
Julia,Sep 2025
BUF - DEN
Comfort
Crew
Boarding
Entertainment
Overall
Food
Reviews
Julia,Sep 2025
BUF - DEN
Comfort
Crew
Boarding
Entertainment
Overall
Food
Reviews
Julia,Sep 2025
BUF - DEN
Comfort
Crew
Boarding
Entertainment
Overall
Food
Reviews
Julia,Sep 2025
BUF - DEN
Comfort
Crew
Boarding
Entertainment
Overall
Food
Reviews
Julia,Sep 2025
BUF - DEN
Comfort
Crew
Boarding
Entertainment
Overall
Food
Reviews
Julia,Sep 2025
BUF - DEN
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$331 | Average$544 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$340 | Average$583 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$357 | Average$630 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$363 | Average$525 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$370 | Average$732 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$392 | Average$509 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$397 | Average$619 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$458 | Average$490 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$469 | Average$598 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$473 | Average$661 | FlexibilityNo cancel fee | On-time71% |