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 | $497 (Mytrip) |
One-way from | $231 (Trip.com) |
Popular in | June |
Cheapest in | September |
Average price | $615 |
Good round-trip deal | $533 or less |
Good one-way deal | $284 or less |
Fly from
Fly to
Route
Depart
Return
Price
NewarkLondon
EWR - LHR
EWRLHR
Newark
Wed 3/11
7:00 pm-6:20 am
Nonstop7h 20m
London Heathrow
Sun 3/15
8:05 pm-9:30 pm
1 stop29h 25m
NewarkLondon
EWR - LHR
EWRLHR
Newark
Fri 2/27
9:10 am-9:20 pm
Nonstop7h 10m
London Heathrow
Mon 3/9
9:00 am-9:30 pm
1 stop16h 30m
NewarkLondon
EWR - LHR
EWRLHR
Newark
Sat 12/6
8:25 am-8:35 pm
Nonstop7h 10m
London Heathrow
Thu 12/11
6:50 am-1:30 pm
1 stop11h 40m
NewarkLondon
EWR - LGW
EWRLGW
Newark
Wed 2/4
11:00 pm-6:35 pm
1 stop14h 35m
London Gatwick
Thu 2/12
8:30 am-9:00 pm
1 stop17h 30m
NewarkLondon
EWR - LHR
EWRLHR
Newark
Thu 1/22
8:45 pm-9:10 am
Nonstop7h 25m
London Heathrow
Wed 1/28
12:05 pm-8:30 pm
1 stop13h 25m
NewarkLondon
EWR - LHR
EWRLHR
Newark
Wed 1/21
10:00 pm-10:25 am
Nonstop7h 25m
London Heathrow
Mon 2/9
12:05 pm-8:30 pm
1 stop13h 25m
NewarkLondon
EWR - LHR
EWRLHR
Newark
Thu 2/5
10:00 pm-10:25 am
Nonstop7h 25m
London Heathrow
Mon 2/9
9:00 am-8:30 pm
1 stop16h 30m
NewarkLondon
EWR - LHR
EWRLHR
Newark
Tue 3/3
10:00 pm-10:25 am
Nonstop7h 25m
London Heathrow
Wed 3/11
2:50 pm-2:55 pm
1 stop28h 05m
NewarkLondon
EWR - LHR
EWRLHR
Newark
Tue 1/13
8:25 am-8:35 pm
Nonstop7h 10m
London Heathrow
Fri 1/16
6:50 am-1:30 pm
1 stop11h 40m
NewarkLondon
EWR - LHR
EWRLHR
Newark
Thu 1/8
3:30 pm-7:10 am
1 stop10h 40m
London Heathrow
Fri 1/16
6:50 am-1:30 pm
1 stop11h 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 Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy- | 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, 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.
The most flights from EWR to LON are scheduled on a Friday (45 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (38 on average).
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.
Crew
Overall
Entertainment
Comfort
Food
Boarding
Reviews
Julia,Sep 2025
BUF - DEN
Crew
Overall
Entertainment
Comfort
Food
Boarding
Reviews
Julia,Sep 2025
BUF - DEN
Crew
Overall
Entertainment
Comfort
Food
Boarding
Reviews
Julia,Sep 2025
BUF - DEN
Crew
Overall
Entertainment
Comfort
Food
Boarding
Reviews
Julia,Sep 2025
BUF - DEN
Crew
Overall
Entertainment
Comfort
Food
Boarding
Reviews
Julia,Sep 2025
BUF - DEN
Crew
Overall
Entertainment
Comfort
Food
Boarding
Reviews
Julia,Sep 2025
BUF - DEN
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$324 | Average$536 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$340 | Average$573 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$357 | Average$627 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$363 | Average$525 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$392 | Average$529 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$393 | Average$576 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$410 | Average$673 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$458 | Average$489 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$469 | Average$597 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$480 | Average$661 | FlexibilityNo cancel fee | On-time71% |