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 | $496 (CrystalTravel) |
One-way from | $204 (CrystalTravel) |
Popular in | June |
Cheapest in | October |
Average price | $597 |
Good round-trip deal | $536 or less |
Good one-way deal | $282 or less |
Fly from
Fly to
Route
Depart
Return
Price
NewarkLondon
EWR - LHR
EWRLHR
Newark
Mon 12/8
10:30 am-7:10 am
1 stop15h 40m
London Heathrow
Thu 12/11
6:50 am-1:30 pm
1 stop11h 40m
NewarkLondon
EWR - LHR
EWRLHR
Newark
Thu 1/8
8:00 pm-8:25 am
Nonstop7h 25m
London Heathrow
Mon 1/12
12:05 pm-8:30 pm
1 stop13h 25m
NewarkLondon
EWR - LHR
EWRLHR
Newark
Thu 2/12
10:30 am-7:10 am
1 stop15h 40m
London Heathrow
Tue 2/17
12:05 pm-8:30 pm
1 stop13h 25m
NewarkLondon
EWR - LHR
EWRLHR
Newark
Fri 1/30
9:10 am-9:20 pm
Nonstop7h 10m
London Heathrow
Mon 2/2
12:05 pm-8:30 pm
1 stop13h 25m
NewarkLondon
EWR - LHR
EWRLHR
Newark
Thu 1/8
9:10 am-9:20 pm
Nonstop7h 10m
London Heathrow
Thu 1/15
12:05 pm-8:30 pm
1 stop13h 25m
NewarkLondon
EWR - LHR
EWRLHR
Newark
Wed 2/11
2:50 pm-9:20 am
1 stop13h 30m
London Heathrow
Mon 2/16
12:05 pm-8:30 pm
1 stop13h 25m
NewarkLondon
EWR - LHR
EWRLHR
Newark
Tue 2/17
5:30 pm-8:45 am
1 stop10h 15m
London Heathrow
Wed 3/4
1:00 pm-11:06 pm
1 stop15h 06m
NewarkLondon
EWR - LHR
EWRLHR
Newark
Fri 2/6
9:35 pm-9:30 am
Nonstop6h 55m
London Heathrow
Wed 2/25
4:30 pm-7:35 pm
Nonstop8h 05m
NewarkLondon
EWR - LHR
EWRLHR
Newark
Sun 2/8
6:35 pm-6:30 am
Nonstop6h 55m
London Heathrow
Mon 2/23
10:40 am-1:50 pm
Nonstop8h 10m
NewarkLondon
EWR - LTN
EWRLTN
Newark
Wed 12/31
5:45 pm-8:35 am
1 stop9h 50m
London Luton
Thu 1/8
9:00 am-4:15 pm
1 stop12h 15m
| 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, 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 Monday (52 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (31 on average).
Dublin (DUB) – chosen by Cheapflights users on 33% 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.
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, La Compagnie have had the lowest number of delays on this route, with no flights being classified as delayed.
Food
Crew
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Boarding
Entertainment
Comfort
Reviews
Julia,Sep 2025
BUF - DEN
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Julia,Sep 2025
BUF - DEN
Food
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Julia,Sep 2025
BUF - DEN
Food
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Entertainment
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Reviews
Julia,Sep 2025
BUF - DEN
Food
Crew
Overall
Boarding
Entertainment
Comfort
Reviews
Julia,Sep 2025
BUF - DEN
Food
Crew
Overall
Boarding
Entertainment
Comfort
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$628 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$363 | Average$524 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$370 | Average$730 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$392 | Average$509 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$397 | Average$610 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$458 | Average$490 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$469 | Average$599 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$474 | Average$661 | FlexibilityNo cancel fee | On-time71% |