Washington-DC (WAS)Edinburgh (EDI)
- non-stop flights:
- 2 per day
- flight duration:
- at least
direct flight availability- Sun
- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
airlinesfrom $0number of non-stop flights per airline and day of the week Sun Mon Tue Wed Thu Fri Sat 
2 2 2 2 2 2 2 Washington-DC (WAS)London Heathrow (LHR)
- non-stop flights:
- 10–14 per day
- flight duration:
- at least
direct flight availability- Sun
- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
airlinesfrom $0number of non-stop flights per airline and day of the week Sun Mon Tue Wed Thu Fri Sat 
4–6 4–6 4–8 4–6 4–6 4–8 4–6 
4 4 4 4 4 4 4 
2 2 2 2 2 2 2 Washington-DC (WAS)London (LON)
- non-stop flights:
- 20–28 per day
- flight duration:
- at least
direct flight availability- Sun
- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
airlinesfrom $768number of non-stop flights per airline and day of the week Sun Mon Tue Wed Thu Fri Sat 
8–12 8–12 8–16 8–12 8–12 8–16 8–12 
8 8 8 8 8 8 8 
4 4 4 4 4 4 4
Stops
- Direct flight
Destination airport
Airline
- United Airlines
- British Airways
- Virgin Atlantic Airways
Outbound weekday
- Monday
- Tuesday
- Wednesday
- Thursday
- Friday
- Saturday
- Sunday