Cheap flights from London to United States
Return fares from £350 in the next 12 months, with direct flights. Pick a day in the calendar to see the fare.
Search by your dates- Cheapest return
- £350
- Typical return
- £607
- Cheapest one way
- £308
- Cheapest month
- December
Price calendar
Cheapest return fare by departure day, 2–14 nights, direct or with one stop. Green days are the cheapest of the month.
| Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | |||
| 5 | 6 | 7 | 8 | 9 | 10 | 11 |
| 12 | 13 | 14 | 15 | 16 | 17 | 18£864 return, back 31 Oct |
| 19£556 return, back 29 Oct | 20£653 return, back 3 Nov | 21£627 return, back 3 Nov | 22 | 23 | 24£750 return, back 4 Nov | 25£618 return, back 6 Nov |
| 26 | 27 | 28 | 29£435 return, back 12 Nov | 30 | 31£594 return, back 9 Nov |
Cheapest dates
Wed 23 Dec – Thu 31 Dec · 8 nights
Aer Lingus · 1 stop · from London Heathrow£350Check price ↗Mon 18 Jan – Tue 26 Jan · 8 nights
AA · direct · from London Heathrow
£363Check price ↗Tue 12 Jan – Thu 21 Jan · 9 nights
ITA Airways · 1 stop · from London Heathrow£387Check price ↗Mon 16 Nov – Thu 26 Nov · 10 nights
Lufthansa · 1 stop · from London Heathrow£390Check price ↗Sat 21 Nov – Thu 26 Nov · 5 nights
TAP Air Portugal · 1 stop · from London Heathrow£404Check price ↗Wed 13 Jan – Wed 27 Jan · 14 nights
SAS · 1 stop · from London Heathrow£404Check price ↗Thu 4 Feb – Sun 14 Feb · 10 nights
SAS · 1 stop · from London Heathrow£404Check price ↗Wed 13 Jan – Wed 27 Jan · 14 nights
Wizz Air UK · 1 stop · from London Luton£413Check price ↗
One-way flights
Cheapest one-way fare per month, 1 adult.
Wed 21 Oct
2 stops · from London (any airport)
£481
Check price ↗Mon 23 Nov
1 stop · from London (any airport)
£336
Check price ↗Tue 8 Dec
1 stop · from London (any airport)
£308
Check price ↗Mon 25 Jan
1 stop · from London (any airport)
£308
Check price ↗Thu 18 Feb
1 stop · from London (any airport)
£308
Check price ↗Mon 22 Mar
1 stop · from London (any airport)
£308
Check price ↗Wed 21 Apr
2 stops · from London (any airport)
£369
Check price ↗Thu 13 May
1 stop · from London (any airport)
£327
Check price ↗Mon 7 Jun
1 stop · from London (any airport)
£353
Check price ↗Wed 4 Aug
3 stops · from London (any airport)
£549
Check price ↗Mon 6 Sept
1 stop · from London (any airport)
£343
Check price ↗
London to United States: questions
- How much is a flight from London to United States?
- In the fares we found for the next 12 months, return flights start at £350 and the median is £607 (191 fares, 2–14 nights, 1 adult). One way starts at £308.
- What is the cheapest month to fly from London to United States?
- December 2026, from £350 return, of the months we have fares for.
- Are there direct flights from London to United States?
- Yes: 7 direct fares in our data, flying about 8 h 45 min out.
- Which airlines fly from London to United States?
- In our fares: Helvetic Airways, SWISS, TAP Air Portugal, Turkish Airlines, Wizz Air UK, British Airways.
United States from other UK airports
More flights from London
Prices are return fares for one adult, found by Aviasales users in the last few days and cached; they can change at any time, and the final price and availability are on Aviasales. Checked bags are extra unless the airline includes them. We may earn a commission when you book through our links; it does not change your price.