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Chicago (O'Hare ORD or Midway MDW) to Los Angeles (LAX) is one of the most competitive transcontinental routes in the US. United, American, Delta, Southwest, Spirit, and Frontier all fly this route nonstop. Flight time is approximately 4 hours. For the cheapest flights to Los Angeles from Chicago, search on Triwize and compare fares across a week. Book 4–6 weeks in advance, fly on Tuesdays or Wednesdays, and consider budget carriers Spirit or Frontier for the lowest base fares. Fares can start from as low as $79 one-way when booked ahead.

Nonstop flights from Houston (George Bush Intercontinental IAH or Hobby HOU) to Los Angeles (LAX) take approximately 3 hours 30 minutes to 3 hours 45 minutes. United Airlines operates the most frequencies from IAH. Southwest flies from HOU. Fares on this route typically start from $90–$180 one-way when booked in advance.

Several airlines operate nonstop flights from Seattle-Tacoma International (SEA) to Los Angeles (LAX), including Alaska Airlines, Delta, United, Southwest, Spirit, and Frontier. Alaska Airlines offers the highest frequency on this route. Flight time is approximately 2 hours 30 minutes. This is one of the most affordable West Coast routes, with fares starting from around $59 one-way.

Dallas (DFW or Dallas Love Field DAL) to Los Angeles is served by American Airlines, Southwest, Spirit, and Frontier. Nonstop flight time is approximately 3 hours 15 minutes. For the cheapest flights from Dallas to Los Angeles, fly mid-week on Tuesdays or Wednesdays and book 3–5 weeks in advance. Fares can be found as low as $79 one-way on budget carriers.

Boston Logan (BOS) to Los Angeles (LAX) is a popular transcontinental route served by JetBlue, Delta, American, United, and Spirit. JetBlue offers the most nonstop options from BOS to LAX with competitive all-in pricing. Flight time is approximately 6 hours. To secure cheap flights to Los Angeles from Boston, search across a flexible date range on Triwize, book 5–8 weeks ahead, and fly on Tuesdays or Wednesdays. Fares start from around $120–$180 one-way.

London (Heathrow LHR or Gatwick LGW) to Los Angeles is one of the most popular transatlantic routes. British Airways, Virgin Atlantic, Delta, United, and American all operate nonstop services. Flight time from London to LAX is approximately 10 hours 30 minutes to 11 hours. For the cheapest fares, book 2–4 months in advance. The lowest-cost months from London to LAX are January, February, and October, with economy fares dipping to $400–$550 round-trip. Avoid booking during UK school holidays and major US holiday periods.

Nonstop flights from Toronto Pearson (YYZ) to Los Angeles (LAX) take approximately 5 hours 30 minutes to 5 hours 45 minutes. Air Canada and WestJet are the main carriers on this route, with Air Canada offering the highest frequency. Connecting options via US hubs (Chicago, Seattle) are also available and can sometimes offer lower fares. Economy fares from Toronto to LAX start from around CAD $300–$500 round-trip when booked in advance.

Looking for last-minute flights to LA today? Use Triwize's real-time search to compare same-day and next-day fares across all major carriers. Prices for flights to Los Angeles today fluctuate significantly — check early in the morning for the best availability on same-day departures.