$80+ Cheap flights from Dulles Intl (IAD) to California
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/26. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — LAX
May 24 — May 311
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Dulles Intl to California with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Dulles Intl to California
Cheapest
Best
Last-minute
One-way
Cheapest flights from Dulles Intl to CaliforniaExplore the most affordable flight options available from Dulles Intl to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2026.
Explore the most affordable flight options available from Dulles Intl to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2026.
This Frontier deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/269:12 am
IAD
- ONT
1 stop9h 32m
Frontier
Wed 6/34:39 pm
ONT
- IAD
1 stop12h 33m
Frontier
Deal found 4/20![Frontier logo]()
$185
This Frontier deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/249:12 am
IAD
- RNO
1 stop8h 16m
Frontier
Tue 6/23:29 pm
RNO
- IAD
1 stop13h 43m
Frontier
Deal found 4/22![Frontier logo]()
$185
This Frontier deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/269:12 am
IAD
- ONT
1 stop9h 32m
Frontier
Mon 6/13:30 pm
ONT
- IAD
1 stop13h 42m
Frontier
Deal found 4/20![Frontier logo]()
$190
This Booking.com deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/269:12 am
IAD
- ONT
1 stop25h 52m
Frontier
Thu 5/283:30 pm
ONT
- IAD
1 stop13h 42m
Frontier
Deal found 4/23![Frontier logo]()
$192
This Frontier deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/269:12 am
IAD
- ONT
1 stop9h 32m
Frontier
Fri 6/53:30 pm
ONT
- IAD
1 stop13h 42m
Frontier
Deal found 4/20![Frontier logo]()
$205
This Frontier deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/109:55 am
IAD
- ONT
1 stop8h 13m
Frontier
Wed 7/83:34 pm
ONT
- IAD
1 stop13h 16m
Frontier
Deal found 4/20![Frontier logo]()
$210
This Frontier deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/29:12 am
IAD
- RNO
1 stop8h 23m
Frontier
Wed 6/33:29 pm
RNO
- IAD
1 stop13h 43m
Frontier
Deal found 4/21![Frontier logo]()
$210
This Expedia deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/712:36 pm
IAD
- ONT
1 stop9h 35m
Frontier
Wed 5/204:39 pm
ONT
- IAD
1 stop12h 33m
Frontier
Deal found 4/23![Frontier logo]()
$211
This Booking.com deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/269:12 am
IAD
- ONT
1 stop9h 32m
Frontier
Fri 5/293:30 pm
ONT
- IAD
1 stop13h 42m
Frontier
Deal found 4/20![Frontier logo]()
$212
This Frontier deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/309:12 am
IAD
- ONT
1 stop8h 57m
Frontier
Wed 6/34:39 pm
ONT
- IAD
1 stop12h 33m
Frontier
Deal found 4/20![Frontier logo]()
$215
This Frontier deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/29:12 am
IAD
- RNO
1 stop8h 23m
Frontier
Fri 6/53:23 pm
RNO
- IAD
1 stop13h 49m
Frontier
Deal found 4/20![Frontier logo]()
$215
This Booking.com deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/39:12 am
IAD
- ONT
1 stop9h 32m
Frontier
Wed 6/101:33 pm
ONT
- IAD
1 stop15h 52m
Frontier
Deal found 4/21![Frontier logo]()
$217
Best flights from Dulles Intl to CaliforniaDiscover carefully curated flight deals from Dulles Intl to California that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 24, 2026.
Discover carefully curated flight deals from Dulles Intl to California that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 24, 2026.
This United Airlines deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:30 am
IAD
- SNA
1 stop8h 36m
United Airlines
Wed 8/262:10 pm
SNA
- IAD
1 stop7h 34m
United Airlines
Deal found 4/21![United Airlines logo]()
$241
This Delta deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/25:21 pm
IAD
- ONT
2 stops9h 13m
Delta
Tue 6/911:57 am
ONT
- IAD
1 stop9h 28m
Delta
Deal found 4/22![Delta logo]()
$262
This Southwest deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/235:50 am
IAD
- SNA
2 stops11h 50m
Southwest
Sat 5/306:45 am
SNA
- IAD
1 stop6h 40m
Southwest
Deal found 4/23![Southwest logo]()
$335
This Alaska Airlines deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/267:00 am
IAD
- ONT
1 stop10h 18m
Alaska Airlines
Wed 9/303:12 pm
ONT
- IAD
1 stop11h 28m
Alaska Airlines
Deal found 4/21![Alaska Airlines logo]()
$341
This Delta deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/211:15 am
IAD
- RNO
2 stops10h 39m
Delta
Fri 6/510:57 pm
RNO
- IAD
1 stop7h 51m
Delta
Deal found 4/21![Delta logo]()
$262
This United Airlines deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/118:15 am
IAD
- LAX
Nonstop5h 31m
United Airlines
Sat 8/229:35 pm
LAX
- IAD
Nonstop5h 00m
United Airlines
Deal found 4/23![United Airlines logo]()
$284
This United Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/410:20 pm
IAD
- LAX
Nonstop5h 37m
United Airlines
Tue 8/1810:36 pm
LAX
- IAD
Nonstop4h 58m
United Airlines
Deal found 4/20![United Airlines logo]()
$294
This Delta deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/56:00 am
IAD
- SNA
1 stop7h 43m
Delta
Wed 6/1012:18 pm
SNA
- IAD
1 stop9h 26m
Delta
Deal found 4/23![Delta logo]()
$315
This Southwest deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/114:30 pm
IAD
- LAX
1 stop9h 50m
Southwest
Tue 5/196:20 am
LAX
- IAD
1 stop6h 30m
Southwest
Deal found 4/20![Southwest logo]()
$349
This Alaska Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/297:10 am
IAD
- SMF
1 stop10h 02m
Alaska Airlines
Mon 5/45:04 pm
SMF
- IAD
1 stop9h 46m
Alaska Airlines
Deal found 4/20![Alaska Airlines logo]()
$361
This United Airlines deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/210:20 pm
IAD
- LAX
Nonstop5h 37m
United Airlines
Thu 8/64:49 pm
LAX
- IAD
Nonstop5h 06m
United Airlines
Deal found 4/23![United Airlines logo]()
$317
This Delta deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/27:00 am
IAD
- SJC
1 stop10h 09m
Delta
Wed 6/106:35 am
SJC
- IAD
1 stop9h 06m
Delta
Deal found 4/22![Delta logo]()
$318
This Alaska Airlines deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/127:10 am
IAD
- ONT
1 stop10h 22m
Alaska Airlines
Thu 5/287:41 pm
ONT
- IAD
1 stop8h 53m
Alaska Airlines
Deal found 4/23![Alaska Airlines logo]()
$362
This Delta deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/126:00 am
IAD
- SJC
2 stops11h 11m
Delta
Fri 5/1510:00 pm
SJC
- IAD
1 stop8h 58m
Delta
Deal found 4/23![Delta logo]()
$323
This United Airlines deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/56:30 am
IAD
- SJC
1 stop9h 54m
United Airlines
Sun 6/76:37 pm
SJC
- IAD
1 stop7h 50m
United Airlines
Deal found 4/21![United Airlines logo]()
$326
This Alaska Airlines deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:00 am
IAD
- ONT
1 stop10h 47m
Alaska Airlines
Sun 10/256:58 pm
ONT
- IAD
1 stop9h 30m
Alaska Airlines
Deal found 4/19![Alaska Airlines logo]()
$371
This Delta deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/56:00 am
IAD
- ONT
1 stop7h 38m
Delta
Tue 8/1110:59 pm
ONT
- IAD
1 stop7h 11m
Delta
Deal found 4/21![Delta logo]()
$324
This United Airlines deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/56:00 pm
IAD
- SAN
Nonstop5h 23m
United Airlines
Sun 6/78:32 pm
SAN
- IAD
1 stop8h 01m
United Airlines
Deal found 4/23![United Airlines logo]()
$327
This Southwest deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/235:50 am
IAD
- SNA
2 stops11h 50m
Southwest
Wed 5/2711:00 am
SNA
- IAD
2 stops9h 40m
Southwest
Deal found 4/20![Southwest logo]()
$440
This Alaska Airlines deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/109:00 am
IAD
- LAX
1 stop10h 59m
Alaska Airlines
Sun 10/259:50 am
LAX
- IAD
1 stop11h 09m
Alaska Airlines
Deal found 4/23![Alaska Airlines logo]()
$387
This Delta deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1711:05 am
IAD
- ONT
2 stops13h 43m
Delta
Wed 6/2410:00 pm
ONT
- IAD
1 stop8h 21m
Delta
Deal found 4/22![Delta logo]()
$326
This Southwest deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/125:30 pm
IAD
- OAK
1 stop7h 55m
Southwest
Wed 5/201:30 pm
OAK
- IAD
1 stop7h 10m
Southwest
Deal found 4/22![Southwest logo]()
$446
This United Airlines deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/3010:26 am
IAD
- SAN
1 stop8h 01m
United Airlines
Sat 5/309:59 pm
SAN
- IAD
Nonstop5h 00m
United Airlines
Deal found 4/23![United Airlines logo]()
$342
This Southwest deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/136:20 am
IAD
- SAN
2 stops8h 50m
Southwest
Sat 5/166:30 am
SAN
- IAD
1 stop6h 55m
Southwest
Deal found 4/23![Southwest logo]()
$447
This Delta deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/128:27 am
IAD
- SNA
1 stop7h 02m
Delta
Thu 7/232:00 pm
SNA
- IAD
1 stop7h 41m
Delta
Deal found 4/21![Delta logo]()
$336
This Alaska Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/126:47 pm
IAD
- SJC
1 stop17h 58m
Alaska Airlines
Fri 8/77:13 am
SJC
- IAD
1 stop8h 32m
Alaska Airlines
Deal found 4/20![Alaska Airlines logo]()
$411
This United Airlines deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/912:40 pm
IAD
- LAX
Nonstop5h 49m
United Airlines
Sun 5/1011:20 pm
LAX
- IAD
Nonstop5h 05m
United Airlines
Deal found 4/19![United Airlines logo]()
$342
This Southwest deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/95:05 pm
IAD
- SAN
2 stops9h 20m
Southwest
Sat 5/166:30 am
SAN
- IAD
1 stop6h 55m
Southwest
Deal found 4/23![Southwest logo]()
$447
This Delta deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/215:30 pm
IAD
- ONT
1 stop7h 26m
Delta
Wed 8/261:00 pm
ONT
- IAD
1 stop7h 51m
Delta
Deal found 4/19![Delta logo]()
$341
This United Airlines deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/310:20 pm
IAD
- LAX
Nonstop5h 37m
United Airlines
Sun 7/129:35 pm
LAX
- IAD
Nonstop5h 06m
United Airlines
Deal found 4/19![United Airlines logo]()
$342
Last-minute flights from Dulles Intl to CaliforniaDiscover last-minute flight deals from Dulles Intl to California. Data last updated April 24, 2026 and is based on user searches.
Discover last-minute flight deals from Dulles Intl to California. Data last updated April 24, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/712:36 pm
IAD
- ONT
1 stop9h 35m
Frontier
Wed 5/204:39 pm
ONT
- IAD
1 stop12h 33m
Frontier
Deal found 4/23![Frontier logo]()
$211
This Booking.com deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1412:36 pm
IAD
- ONT
1 stop9h 35m
Frontier
Thu 5/283:30 pm
ONT
- IAD
1 stop13h 42m
Frontier
Deal found 4/19![Frontier logo]()
$217
This Frontier deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/249:12 am
IAD
- RNO
1 stop8h 16m
Frontier
Tue 6/23:29 pm
RNO
- IAD
1 stop13h 43m
Frontier
Deal found 4/22![Frontier logo]()
$185
This Frontier deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/269:12 am
IAD
- ONT
1 stop9h 32m
Frontier
Tue 6/24:39 pm
ONT
- IAD
1 stop12h 33m
Frontier
Deal found 4/20![Frontier logo]()
$185
This Frontier deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/269:12 am
IAD
- ONT
1 stop9h 32m
Frontier
Mon 6/13:30 pm
ONT
- IAD
1 stop13h 42m
Frontier
Deal found 4/20![Frontier logo]()
$190
This Booking.com deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/269:12 am
IAD
- ONT
1 stop25h 52m
Frontier
Thu 5/283:30 pm
ONT
- IAD
1 stop13h 42m
Frontier
Deal found 4/23![Frontier logo]()
$192
This Frontier deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/269:12 am
IAD
- ONT
1 stop9h 32m
Frontier
Fri 6/53:30 pm
ONT
- IAD
1 stop13h 42m
Frontier
Deal found 4/20![Frontier logo]()
$205
This Booking.com deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/269:12 am
IAD
- ONT
1 stop9h 32m
Frontier
Fri 5/293:30 pm
ONT
- IAD
1 stop13h 42m
Frontier
Deal found 4/20![Frontier logo]()
$212
This Frontier deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/279:12 am
IAD
- ONT
1 stop9h 32m
Frontier
Tue 6/24:39 pm
ONT
- IAD
1 stop12h 33m
Frontier
Deal found 4/20![Frontier logo]()
$210
This Frontier deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/279:12 am
IAD
- RNO
1 stop8h 23m
Frontier
Sat 5/303:23 pm
RNO
- IAD
1 stop13h 49m
Frontier
Deal found 4/23![Frontier logo]()
$215
This Frontier deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/289:12 am
IAD
- ONT
1 stop8h 57m
Frontier
Sat 5/303:30 pm
ONT
- IAD
1 stop13h 42m
Frontier
Deal found 4/20![Frontier logo]()
$220
This Frontier deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/309:12 am
IAD
- ONT
1 stop8h 57m
Frontier
Wed 6/34:39 pm
ONT
- IAD
1 stop12h 33m
Frontier
Deal found 4/20![Frontier logo]()
$215
One-way flights from Dulles Intl to CaliforniaSearch for one-way flight options from Dulles Intl to California. Find affordable one-way fares based on user searches. Data last updated April 24, 2026.
Search for one-way flight options from Dulles Intl to California. Find affordable one-way fares based on user searches. Data last updated April 24, 2026.
This Frontier deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/269:12 am
IAD
- ONT
1 stop9h 32m
Frontier
Deal found 4/21![Frontier logo]()
$80
This Frontier deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/269:12 am
IAD
- RNO
1 stop8h 23m
Frontier
Deal found 4/20![Frontier logo]()
$80
This Booking.com deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/259:12 am
IAD
- ONT
1 stop25h 52m
Frontier
Deal found 4/20![Frontier logo]()
$86
This Breeze Airways deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Breeze Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/128:55 am
IAD
- SNA
1 stop7h 23m
Breeze Airways
Deal found 4/21![Breeze Airways logo]()
$88
This American Airlines deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:10 am
IAD
- SNA
1 stop10h 20m
American Airlines
Deal found 4/21![American Airlines logo]()
$89
This CheapOair deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/67:00 am
IAD
- SNA
1 stop7h 23m
Breeze Airways
Deal found 4/23![Breeze Airways logo]()
$95
This Frontier deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/712:36 pm
IAD
- ONT
1 stop9h 35m
Frontier
Deal found 4/20![Frontier logo]()
$100
This CheapOair deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/279:12 am
IAD
- ONT
1 stop9h 32m
Frontier
Deal found 4/20![Frontier logo]()
$105
This Frontier deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/279:12 am
IAD
- RNO
1 stop8h 23m
Frontier
Deal found 4/20![Frontier logo]()
$105
This American Airlines deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/306:41 pm
IAD
- ONT
1 stop7h 25m
American Airlines
Deal found 4/23![American Airlines logo]()
$107
This Frontier deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/299:12 am
IAD
- ONT
1 stop8h 57m
Frontier
Deal found 4/20![Frontier logo]()
$110
This Priceline deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/289:12 am
IAD
- RNO
1 stop8h 16m
Frontier
Deal found 4/22![Frontier logo]()
$110
Find flight deals from Dulles Intl to California
Keep the following information in mind while searching for Dulles Intl to California flight deals. Data was last updated April 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $185 (Frontier) |
One-way from | $80 (Frontier) |
Popular in | March |
Cheapest in | September |
Average price | $406 |
Good round-trip deal | $348 or less |
Good one-way deal | $208 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Dulles Intl to California that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 24, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to California that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Washington, D.C.Santa Ana
IAD - SNA
IADSNA
Washington, D.C. Dulles Intl
Wed 8/12
6:30 am-12:06 pm
1 stop8h 36m
Santa Ana J. Wayne/Orange Cnty
Wed 8/26
2:10 pm-12:44 am
1 stop7h 34m
$241
Washington, D.C.Ontario
IAD - ONT
IADONT
Washington, D.C. Dulles Intl
Tue 6/2
5:21 pm-11:34 pm
2 stops9h 13m
Ontario
Tue 6/9
11:57 am-12:25 am
1 stop9h 28m
$262
Washington, D.C.Reno
IAD - RNO
IADRNO
Washington, D.C. Dulles Intl
Tue 6/2
11:15 am-6:54 pm
2 stops10h 39m
Reno
Fri 6/5
10:57 pm-9:48 am
1 stop7h 51m
$262
Quickest round-trip
Washington, D.C.Los Angeles
IAD - LAX
IADLAX
Washington, D.C. Dulles Intl
Tue 8/11
8:15 am-10:46 am
Nonstop5h 31m
Los Angeles
Sat 8/22
9:35 pm-5:35 am
Nonstop5h 00m
$284
Washington, D.C.Los Angeles
IAD - LAX
IADLAX
Washington, D.C. Dulles Intl
Tue 8/4
10:20 pm-12:57 am
Nonstop5h 37m
Los Angeles
Tue 8/18
10:36 pm-6:34 am
Nonstop4h 58m
$294
Washington, D.C.Santa Ana
IAD - SNA
IADSNA
Washington, D.C. Dulles Intl
Fri 6/5
6:00 am-10:43 am
1 stop7h 43m
Santa Ana J. Wayne/Orange Cnty
Wed 6/10
12:18 pm-12:44 am
1 stop9h 26m
$315
Washington, D.C.Los Angeles
IAD - LAX
IADLAX
Washington, D.C. Dulles Intl
Sun 8/2
10:20 pm-12:57 am
Nonstop5h 37m
Los Angeles
Thu 8/6
4:49 pm-12:55 am
Nonstop5h 06m
$317
Washington, D.C.San Jose
IAD - SJC
IADSJC
Washington, D.C. Dulles Intl
Tue 6/2
7:00 am-2:09 pm
1 stop10h 09m
San Jose
Wed 6/10
6:35 am-6:41 pm
1 stop9h 06m
$318
Washington, D.C.San Jose
IAD - SJC
IADSJC
Washington, D.C. Dulles Intl
Tue 5/12
6:00 am-2:11 pm
2 stops11h 11m
San Jose
Fri 5/15
10:00 pm-9:58 am
1 stop8h 58m
$323
Washington, D.C.Ontario
IAD - ONT
IADONT
Washington, D.C. Dulles Intl
Wed 8/5
6:00 am-10:38 am
1 stop7h 38m
Ontario
Tue 8/11
10:59 pm-9:10 am
1 stop7h 11m
$324
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Dulles Intl to California
Have a flexible travel schedule? Discover the best time to fly to California from Dulles Intl with our price prediction graph.
IAD-ONT
IAD-RNO
IAD-SJC
IAD-SNA
IAD-SAN
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to California
IAD-USCA
IAD-ONT
IAD-RNO
IAD-SJC
IAD-SNA
How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to California?
The best time to book flights from Washington, D.C. Dulles Intl Airport to California is 29 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to California?
Currently, May is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to California (average of $313). Flying from Washington, D.C. Dulles Intl Airport to California in December is currently the most expensive (average of $472). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from IAD to CA?
Find hourly flight availability from Dulles Intl to California. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 24, 2026.
When flying from Washington, D.C. Dulles Intl Airport to California, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 15% versus a flight at noon.
What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to California?
Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to California. Price data was last updated on April 18, 2026.
Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to California flight should consider departing on Thursday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Washington, D.C. Dulles Intl Airport to California
Explore weekly flight availability from Dulles Intl to California. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 24, 2026.
The most flights from IAD to USCA are scheduled on a Thursday (37 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (24 on average).
How much does it cost to fly round-trip from Washington, D.C. Dulles Intl Airport to California?
Reviews of airlines servicing California
Get insights into the airlines that provide service to California. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to California. Reviews last updated April 24, 2026.
Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to California, such as Southwest,Alaska Airlines, andUnited Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Related info for your journey
Find useful and relevant information for your journey from Dulles Intl to California. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations
Alternative routes for Dulles Intl to California
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to California by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Dulles Intl to California by cabin class
Find flights from Dulles Intl to California, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Dulles Intl and California flights
Browse other Dulles Intl and California flight options. Last updated on April 24, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Dulles Intl to California flights
Consider these flights traveling from Dulles Intl to California.
Top 9 airlines flying from Dulles Intl to California
Discover the top 9 airlines that operate flights from Dulles Intl to California. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$51 | Average$138 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$113 | Average$341 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$125 | Average$298 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$147 | Average$410 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$150 | Average$380 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$194 | Average$485 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$231 | Average$449 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$235 | Average$475 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$260 | Average$335 | FlexibilityNo cancel fee | On-time62% |