
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $723 (KAYAK) |
One-way from | $284 (Trip.com) |
Popular in | June |
Cheapest in | September |
Average price | $840 |
Good round-trip deal | $679 or less |
Good one-way deal | $193 or less |
Fly from
Fly to
Route
Depart
Return
New YorkLondon
JFK - LGW
JFKLGW
New York John F Kennedy Intl
Mon 9/14
12:40 am-4:25 pm
1 stop10h 45m
London Gatwick
Mon 9/28
5:25 pm-5:45 pm
1 stop29h 20m
BostonLondon
BOS - LHR
BOSLHR
Boston Logan Intl
Sun 10/4
5:40 pm-4:25 pm
2 stops17h 45m
London Heathrow
Thu 10/8
6:40 am-3:35 pm
1 stop13h 55m
New YorkLondon
JFK - LHR
JFKLHR
New York John F Kennedy Intl
Mon 8/31
6:55 pm-4:25 pm
2 stops16h 30m
London Heathrow
Mon 9/7
9:05 pm-5:00 pm
2 stops24h 55m
NewarkLondon
EWR - LHR
EWRLHR
Newark
Thu 9/24
9:00 pm-9:20 am
Nonstop7h 20m
London Heathrow
Mon 9/28
1:50 pm-8:15 pm
1 stop11h 25m
New YorkLondon
JFK - LHR
JFKLHR
New York John F Kennedy Intl
Sat 8/8
9:40 pm-9:50 am
Nonstop7h 10m
London Heathrow
Fri 8/21
7:00 am-12:59 pm
1 stop10h 59m
NewarkLondon
EWR - LGW
EWRLGW
Newark
Thu 9/24
8:25 pm-2:40 pm
1 stop13h 15m
London Gatwick
Sun 10/11
3:40 pm-7:15 pm
1 stop32h 35m
New YorkLondon
JFK - LGW
JFKLGW
New York John F Kennedy Intl
Thu 7/23
1:20 pm-9:35 am
1 stop15h 15m
London Gatwick
Thu 8/20
12:20 pm-9:51 pm
1 stop14h 31m
BostonLondon
BOS - LHR
BOSLHR
Boston Logan Intl
Tue 9/1
7:05 pm-6:45 am
Nonstop6h 40m
London Heathrow
Mon 9/14
6:15 am-1:39 pm
1 stop12h 24m
New YorkLondon
JFK - LHR
JFKLHR
New York John F Kennedy Intl
Mon 8/24
7:00 pm-7:15 am
Nonstop7h 15m
London Heathrow
Fri 8/28
6:30 am-12:29 pm
1 stop10h 59m
BostonLondon
BOS - LHR
BOSLHR
Boston Logan Intl
Tue 10/6
7:35 pm-7:10 am
Nonstop6h 35m
London Heathrow
Wed 10/21
5:35 pm-8:05 pm
Nonstop7h 30m
Currently, January is the cheapest month in which you can book a flight from USA to United Kingdom (average of $656). Flying from USA to United Kingdom in June is currently the most expensive (average of $1,189). 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.
When flying from USA to United Kingdom, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 6% versus a flight in the afternoon.
The most flights from US0 to GB0 are scheduled on a Monday (54 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (50 on average).
About 16% of weekly flights between United States and United Kingdom have experienced delays in the past year, with the average delay time being 159 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 Friday has historically faced a higher average of delays compared to other days of the week.
Over the last year, Virgin Atlantic have had the lowest number of delays on this route, with just 11% of flights being delayed.
The best time to book flights from USA to United Kingdom is 29 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Travelers seeking maximum savings on their USA to United Kingdom flight should consider departing on Thursday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Crew
Boarding
Food
Entertainment
Comfort
Overall
Reviews
Anonymous,May 2026
SEA - KOA
Crew
Boarding
Food
Entertainment
Comfort
Overall
Reviews
Anonymous,May 2026
SEA - KOA
Crew
Boarding
Food
Entertainment
Comfort
Overall
Reviews
Anonymous,May 2026
SEA - KOA
Crew
Boarding
Food
Entertainment
Comfort
Overall
Reviews
Anonymous,May 2026
SEA - KOA
Crew
Boarding
Food
Entertainment
Comfort
Overall
Reviews
Anonymous,May 2026
SEA - KOA
Crew
Boarding
Food
Entertainment
Comfort
Overall
Reviews
Anonymous,May 2026
SEA - KOA
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$45 | Average$76 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$45 | Average$780 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$263 | Average$662 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$291 | Average$822 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$291 | Average$949 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$293 | Average$520 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$294 | Average$769 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$301 | Average$596 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$338 | Average$846 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$432 | Average$929 | FlexibilityNo cancel fee | On-time67% |