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Washington Dulles to Los Angeles — $236 USD roundtrip incl. all taxes & fees

$236 USD roundtrip from Washington Dulles (IAD) to Los Angeles (LAX) on Frontier Airlines, 1 stop each way.

That's 38% below the typical best price for this route (about $382 USD: the median of the cheapest fare in each of the 6 months we track), a saving of about $146 USD.

Dates found at this price

• Depart Sun Jan 10, 2027, return Thu Jan 14, 2027

How to book

1. Open the fare on Aviasales (affiliate link) and pick the same dates.
2. Check the final price at checkout before you pay; it is the one that counts.

Price found at Nov 9, 2026 at 8:37 PM ET from Aviasales fare data (last seen by travellers searching on Nov 9); price for 1 adult, economy, and may change or sell out at any time.

Fares shown include all mandatory taxes and fees (U.S. DOT full-fare rule). Prices and availability can change at any time; the price at checkout is the one that counts.

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