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 | $500 (Cheapflightsfares) |
One-way from | $218 (Booking.com) |
Popular in | June |
Cheapest in | October |
Average price | $595 |
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 11/26
9:10 am-9:20 pm
Nonstop7h 10m
London Heathrow
Fri 12/5
6:50 am-1:30 pm
1 stop11h 40m
NewarkLondon
EWR - LHR
EWRLHR
Newark
Tue 11/18
3:30 pm-7:10 am
1 stop10h 40m
London Heathrow
Wed 12/3
6:50 am-1:30 pm
1 stop11h 40m
NewarkLondon
EWR - LHR
EWRLHR
Newark
Fri 1/9
9:10 am-9:20 pm
Nonstop7h 10m
London Heathrow
Sun 1/18
6:00 am-1:55 pm
1 stop12h 55m
NewarkLondon
EWR - LHR
EWRLHR
Newark
Sat 1/10
8:25 am-8:35 pm
Nonstop7h 10m
London Heathrow
Mon 1/12
9:05 am-1:55 pm
1 stop33h 50m
NewarkLondon
EWR - STN
EWRSTN
Newark
Sun 12/7
2:20 pm-9:50 am
2 stops14h 30m
London Stansted
Tue 12/9
9:45 pm-8:37 pm
3 stops27h 52m
NewarkLondon
EWR - STN
EWRSTN
Newark
Tue 12/9
6:55 am-1:50 pm
2 stops25h 55m
London Stansted
Thu 12/11
7:40 am-8:37 pm
2 stops17h 57m
NewarkLondon
EWR - LHR
EWRLHR
Newark
Fri 12/5
3:40 pm-6:50 am
1 stop10h 10m
London Heathrow
Sun 12/7
8:55 am-2:55 pm
1 stop11h 00m
NewarkLondon
EWR - LHR
EWRLHR
Newark
Wed 12/31
10:40 pm-11:05 am
Nonstop7h 25m
London Heathrow
Wed 1/14
8:00 am-11:20 am
Nonstop8h 20m
NewarkLondon
EWR - LHR
EWRLHR
Newark
Thu 12/11
9:10 am-9:20 pm
Nonstop7h 10m
London Heathrow
Sun 1/11
12:00 pm-3:30 pm
Nonstop8h 30m
NewarkLondon
EWR - LHR
EWRLHR
Newark
Thu 12/4
6:55 am-7:10 am
1 stop19h 15m
London Heathrow
Sat 12/6
11:05 am-1:30 pm
1 stop31h 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 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 $399). Flying from Newark Airport to London 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.
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 (49 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (32 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.
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Food
Crew
Comfort
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Julia,Sep 2025
BUF - DEN
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Julia,Sep 2025
BUF - DEN
Boarding
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Julia,Sep 2025
BUF - DEN
Boarding
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Julia,Sep 2025
BUF - DEN
Boarding
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Food
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Julia,Sep 2025
BUF - DEN
Boarding
Entertainment
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Food
Crew
Comfort
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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% |