IAD to LAX from $227 in economy

UAUnited Airlines

Round Trip•Economy

IAD

Washington Dulles International Airport

Washington, United States

LAX

Los Angeles International Airport

Los Angeles, United States

$328 USD

-31%$227 USD

Verified 1 day ago

December 2026

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

30$351 1$329 2$312 3$289 4$227 5$227 6$227 7$227 8$268 9$227 10$268 11$227 12$324 13$227 14$324 15$275 16$333 17$442 18$587 19$515 20$393 21$383 22$400 23$337 24$333 25$342 26$418 27$502 28$472 29$410 30$342 31$342 1$268 2$373 3$342

Good Availability

40% of dates checked are available within 10% of the lowest price

Tuesday, December 29th, 2026

6 round-trip options

Returning

Sun, Jan 3, 2027•5 Day Trip

$630 USD

Google Flights

Returning

Wed, Jan 6, 2027•8 Day Trip

$410 USD

Google Flights

Returning

Thu, Jan 7, 2027•9 Day Trip

$410 USD

Google Flights

Returning

Fri, Jan 8, 2027•10 Day Trip

$410 USD

Google Flights

Returning

Sun, Jan 10, 2027•12 Day Trip

$451 USD

Google Flights

Returning

Tue, Jan 12, 2027•14 Day Trip

$410 USD

Google Flights

Washington (IAD) to Los Angeles (LAX) flight deal in economy from $227

Washington Dulles International Airport

Los Angeles International Airport

December 2026

Tuesday, December 29th, 2026