Washington Dulles to Los Angeles International
2283 miles great-circle distance, typically flown in 5h 00m with 5 airlines operating direct service from Washington Dulles (IAD) to Los Angeles International (LAX). Cheapest fares are usually in January (around $249 return), with peak prices in August (around $747). Departures on a Tuesday tend to undercut weekend prices on this corridor.
Flying from Washington Dulles
Washington Dulles International is United Airlines' Mid-Atlantic hub and the larger of the two Washington-region airports. Metro's Silver Line extension opened in 2022, running from the airport's underground station directly to downtown Washington DC in around 50 minutes for $7. International long-haul through IAD is the deepest of any DC-area airport, with United, BA, Virgin Atlantic, Lufthansa, Air France, Qatar, Emirates and Ethiopian all running daily flights to global hubs.
Arriving in Los Angeles
Los Angeles International serves the broader LA basin from its central position near El Segundo, 18 miles southwest of downtown LA. Ground transfers depend on Metro K Line shuttle to Crenshaw, FlyAway buses to Union Station ($9.75) or rideshare via the LAX-it lot. Fares to LAX from US East Coast bases run cheapest in January–February and September–October; June through August see Pacific-summer demand peaks tied to Asia connection traffic.
Who flies IAD to LAX?
| Airline | IATA | Flight time | Cabin |
| United Airlines | UA | 5h 00m | Economy |
| Frontier Airlines | F9 | 5h 00m | Economy |
| American Airlines | AA | 5h 00m | Economy |
| Delta Air Lines | DL | 5h 00m | Economy |
| JetBlue Airways | B6 | 5h 00m | Economy |
5 carriers fly direct on this corridor. Frequencies vary by season — summer and winter holiday peaks see additional flights.
Best time to fly IAD→LAX
Synthesised from 12-month price aggregates. Cheapest months in green, peak in red.
Estimated baseline. Prices update on a 30-day cadence as Travelpayouts data refreshes. Cheapest day-of-week typically Tuesday.
Washington to Los Angeles FAQs
Direct flights from Washington Dulles (IAD) to Los Angeles International (LAX) take approximately 5h 00m for the 2283-mile journey, plus 30–60 minutes of taxi, climb and descent. Total airport-to-airport time depends on cruise winds and air-traffic queueing on approach.
January is typically the cheapest month on this route, with one-way fares from $249. August is the peak — expect prices 2–3× higher. Book 4–8 weeks ahead for best fares; last-minute prices on this corridor rise sharply inside two weeks of departure.
5 carriers operate direct service from Washington Dulles (IAD) to Los Angeles International (LAX): United Airlines, Frontier Airlines, American Airlines, Delta Air Lines and JetBlue Airways. Frequencies vary by season and carrier — United Airlines typically operates the highest weekly count on this corridor.
No — United States is domestic travel for US citizens. A US passport is not required for the 50 states, DC or US territories (Puerto Rico, US Virgin Islands, Guam, American Samoa, Northern Mariana Islands), though Real ID-compliant ID is required at TSA from May 2025.
Los Angeles International (LAX) is the primary international airport for Los Angeles. Allow 30–60 minutes for the ground transfer by train, express bus, taxi or rideshare depending on traffic and time of day. See the airport's official website for current train and shuttle timetables.