AirSource

Flights Washington → Los Angeles — September 19, 2026

One way · Economy · 1 adult · price per person

The cheapest itinerary observed for Saturday, September 19, 2026 on the Washington–Los Angeles route: 1 stop itinerary (2 flights) via Orlando International (MCO), from Washington Dulles (IAD) to Los Angeles International (LAX), first flight Frontier Airlines F94355, departs 11:12 AM, arrives 6:10 PM, total travel time 9h 58m including layovers, flight time 7h 44m (layovers excluded), $202 per person. Price found in an Aviasales search on September 4, 2026 and read by AirSource on September 10, 2026, 20:48 UTC: it is not guaranteed and is confirmed on Aviasales at booking time. The cheapest direct flight observed: United Airlines UA319, from Washington Dulles (IAD) to Los Angeles International (LAX), departs 7:00 AM, arrives 9:34 AM, direct, 5h 34m, $341 per person.

Lowest price observed in the available data

1-stop itinerary (2 flights)

via Orlando International (MCO) · first flight Frontier Airlines F94355

1 stop
Sat, Sep 19
Washington Dulles (IAD)
9h 58m
1 stop
Sat, Sep 19
Los Angeles International (LAX)
First flight
Frontier Airlines F94355 (1st of 2 flights)
Connecting flights
Operated after the layover in Orlando International (MCO); airline and flight number are not provided by Aviasales in this record: see them on the booking site.
Departure
Washington Dulles (IAD) · September 19, 2026 · local time (UTC-4)
Final arrival
Los Angeles International (LAX) · September 19, 2026 · local time (UTC-7)
Stops
1 stop · in Orlando International (MCO)
Total travel time
9h 58m (layovers included)
Flight time
7h 44m (layovers excluded)
Layover time
2h 14m
Last observed price
$202 per person, one way
Observed
Price and fare conditions found in an Aviasales search on · read by AirSource on · more than 48 hours ago
Last observed price
$202
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 UA319

Direct · Washington Dulles (IAD) → Los Angeles International (LAX)

Direct
Sat, Sep 19
Washington Dulles (IAD)
5h 34m
direct
Sat, Sep 19
Los Angeles International (LAX)
Airline
United Airlines (UA)
Flight
UA319
Departure
Washington Dulles (IAD) · September 19, 2026 · local time (UTC-4)
Arrival
Los Angeles International (LAX) · September 19, 2026 · local time (UTC-7)
Stops
Direct (no plane change, as stated by the source; it can include a stop)
Duration
5h 34m
Last observed price
$341 per person, one way
Observed
Price and fare conditions found in an Aviasales search on · read by AirSource on · more than 48 hours ago
Last observed price
$341
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 WashingtonLos Angeles flights on September 19, 2026 on Aviasales.

Nearby dates