AirSource

Flights Los Angeles → London — September 18, 2026

One way · Economy · 1 adult · price per person

The cheapest itinerary observed for Friday, September 18, 2026 on the Los Angeles–London route: 1 stop itinerary (2 flights) via Casablanca (CMN), from Los Angeles International (LAX) to London Gatwick (LGW), first flight AT AT251, departs 10:20 AM, arrives 3:50 PM the next day, total travel time 21h 30m including layovers, flight time 14h 15m (layovers excluded), $462 per person. Price found in an Aviasales search on September 9, 2026 and read by AirSource on September 10, 2026, 19:00 UTC: it is not guaranteed and is confirmed on Aviasales at booking time. The cheapest direct flight observed: United Airlines UA923, from Los Angeles International (LAX) to London Heathrow (LHR), departs 3:40 PM, arrives 10:10 AM the next day, direct, 10h 30m, $671 per person. Fare as listed by Aviasales: carry-on bag included, checked bag not included, changes not allowed, non-refundable.

Lowest price observed in the available data

AT

1-stop itinerary (2 flights)

via Casablanca (CMN) · first flight AT AT251

1 stop
Fri, Sep 18
Los Angeles International (LAX)
21h 30m
1 stop
+1
Sat, Sep 19
London Gatwick (LGW)
First flight
AT AT251 (1st of 2 flights)
Connecting flights
Operated after the layover in Casablanca (CMN); airline and flight number are not provided by Aviasales in this record: see them on the booking site.
Departure
Los Angeles International (LAX) · September 18, 2026 · local time (UTC-7)
Final arrival
London Gatwick (LGW) · September 19, 2026 · local time (UTC+1) · next day
Stops
1 stop · in Casablanca (CMN)
Total travel time
21h 30m (layovers included)
Flight time
14h 15m (layovers excluded)
Layover time
7h 15m
Last observed price
$462 per person, one way
Observed
Price and fare conditions found in an Aviasales search on · read by AirSource on
Last observed price
$462
per person, one way
Check the current price and book

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Price not guaranteed: it is confirmed on Aviasales at booking time. How it works

Cheapest direct flight observed

United Airlines UA923

Direct · Los Angeles International (LAX) → London Heathrow (LHR)

Direct
Fri, Sep 18
Los Angeles International (LAX)
10h 30m
direct
+1
Sat, Sep 19
London Heathrow (LHR)
Airline
United Airlines (UA)
Flight
UA923
Departure
Los Angeles International (LAX) · September 18, 2026 · local time (UTC-7)
Arrival
London Heathrow (LHR) · September 19, 2026 · local time (UTC+1) · next day
Stops
Direct (no plane change, as stated by the source; it can include a stop)
Duration
10h 30m
Carry-on bag
included
Checked bag
not included
Changes
not allowed
Refund
non-refundable
Last observed price
$671 per person, one way
Observed
Price and fare conditions found in an Aviasales search on · read by AirSource on
Last observed price
$671
per person, one way
Check the current price and book

Affiliate link. Booking, payment and support are handled by the seller you choose on Aviasales.

Price not guaranteed: it is confirmed on Aviasales at booking time. How it works

Looking for other times? All Los Angeles–London flights on September 18, 2026 on Aviasales.

Nearby dates