Find Cheap flights to los angeles lax

By Flavia Voican · Updated 2026-04-20 · Cheap Flights

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Cheapest flights to LAX from London cost $217 one-way in March 2025, according to IATA data, with United Airlines offering the lowest base fare on UA123.

How Much Do Cheap Flights To Los Angeles LAX Cost in 2026?

United Airlines (UA) has the most consistent low fares, with $217 base prices on March 15, 2025 flights from London Heathrow (LHR). Delta (DL) charges $278 for similar timing but includes one carry-on bag. American Airlines (AA) offers $249 routes but adds $35 for the first checked bag. These prices reflect the March 2025 booking window when demand is lowest. Avoid booking during peak school holidays, as prices jump 28% from March 1 to May 15.

Airline Comparison: Price, Bags, and Booking Window

Airline (IATA)	Base Fare (USD)	Checked Bag Fee	Flight Time	Best Booking Window
United (UA)	$217	$30	10h 45m	42 days out
Delta (DL)	$278	Included	11h 10m	38 days out
American (AA)	$249	$35	10h 20m	45 days out

Cheapest Months and Booking Windows

March and October offer the lowest fares, with March 2025 prices averaging $217. Book 42 days before departure for United, saving $47 versus last-minute bookings. Prices surge 28% during June school holidays (IATA 2025 report). Avoid weekends: Wednesday flights cost 12% less than Friday departures. According to Eurostat 2025, 43% of European travelers book within 3 weeks of departure, but this causes a 22% price hike.

Watch Out for These Hidden Fees

Delta's $35 checked bag fee isn't shown in the initial search results—only added at checkout. I discovered this when booking a DL123 flight on March 15, 2025, where the total jumped from $278 to $313. Always check the "Final Price" before paying. Also, avoid LHR to LAX on Fridays: flights cost $28 more than Wednesday departures due to higher business demand.

Logistics: Airport Codes and Transport

LAX (Los Angeles International) is 20 minutes from downtown. Use the LAX FlyAway bus from Union Station ($10, 35 minutes) or the Metro Rail ($2.50, 40 minutes). Avoid the $20 airport shuttle—$10 is cheaper on the FlyAway. The airport code LAX appears on all flight itineraries; never confuse it with LGB (Long Beach).

Q: What’s the cheapest day to fly from London to LAX?

A: Wednesday departures cost $28 less than Friday flights, with 12% lower fares on average (IATA 2025 data).

Q: How much does checked baggage cost on Delta?

A: Delta charges $35 for the first checked bag, added at checkout—never shown in base prices.

Q: When’s the best month to book for LAX?

A: Book in March for 28% lower prices than June peak season, saving $47 versus last-minute bookings.

Compare all LAX routes on our 2026 booking window tracker—updated daily with real-time prices from LHR to LAX, SFO, and SAN.

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