$140+ Cheap flights from Riverside, CA to Dulles Intl (IAD)
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 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — IAD
Oct 2 — Oct 91
Round-trip
1 adult, Economy
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Find cheap flights from Riverside to Dulles Intl 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.Cheapflights Tip: The best prices from Riverside to Washington, D.C. Dulles Intl are usually found in October or September, booked 82 days in advance, depart on a Wednesday or Thursday and return on a Thursday
Cheap flight deals from Riverside to Dulles Intl
Cheapest
Best
Last-minute
One-way
Cheapest flights from Riverside to Dulles IntlExplore the most affordable flight options available from Riverside to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 2, 2026.
Explore the most affordable flight options available from Riverside to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 2, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3012:38 pm -
1 stop8h 32m
Mon 10/59:04 pm -
2 stops20h 35m
Deal found 9/1![Frontier logo]()
$262
This Kiwi.com deal was found by Cheapflights users on 8/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/712:42 pm -
1 stop8h 28m
Sun 10/116:00 am -
1 stop28h 34m
Deal found 8/30![Frontier logo]()
$264
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2612:03 am -
1 stop8h 33m
Wed 11/118:05 am -
2 stops29h 42m
Deal found 9/2![Frontier logo]()
$266
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/12:50 pm -
1 stop12h 30m
Mon 10/59:04 pm -
2 stops20h 35m
Deal found 9/1![Frontier logo]()
$267
This United Airlines deal was found by Cheapflights users on 8/31. 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 10/39:10 pm -
Nonstop5h 01m
Sun 10/47:00 am -
Nonstop5h 33m
Deal found 8/31![United Airlines logo]()
$272
This Frontier deal was found by Cheapflights users on 8/28. 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 10/2312:14 am -
1 stop13h 59m
Sun 10/257:50 am -
1 stop12h 52m
Deal found 8/28![Frontier logo]()
$273
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2012:09 am -
1 stop8h 25m
Mon 10/267:50 am -
2 stops28h 29m
Deal found 9/1![Frontier logo]()
$275
This Expedia deal was found by Cheapflights users on 9/2. 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.
Fri 10/912:14 am -
1 stop13h 59m
Sat 10/176:00 am -
1 stop12h 10m
Deal found 9/2![Frontier logo]()
$276
This American Airlines deal was found by Cheapflights users on 9/2. 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.
Thu 10/229:42 pm -
Nonstop4h 50m
Sat 10/316:00 am -
Nonstop5h 46m
Deal found 9/2![American Airlines logo]()
$277
This American Airlines deal was found by Cheapflights users on 9/2. 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.
Sat 10/179:42 pm -
Nonstop4h 50m
Sat 10/246:00 am -
Nonstop5h 46m
Deal found 9/2![American Airlines logo]()
$278
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/212:59 am -
1 stop7h 34m
Sat 10/179:06 pm -
2 stops37h 28m
Deal found 9/1![Frontier logo]()
$279
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/239:40 pm -
1 stop9h 47m
Mon 9/289:04 pm -
2 stops20h 35m
Deal found 9/2![Frontier logo]()
$280
Best flights from Riverside to Dulles IntlDiscover carefully curated flight deals from Riverside to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 2, 2026.
Discover carefully curated flight deals from Riverside to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 2, 2026.
This United Airlines deal was found by Cheapflights users on 8/28. 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 10/911:30 pm -
Nonstop4h 51m
Sun 10/117:00 am -
Nonstop5h 31m
Deal found 8/28![United Airlines logo]()
$277
This Alaska Airlines deal was found by Cheapflights users on 9/1. 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 10/2011:34 am -
1 stop9h 25m
Tue 10/277:24 pm -
2 stops26h 00m
Deal found 9/1![Alaska Airlines logo]()
$428
This United Airlines deal was found by Cheapflights users on 9/1. 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 9/2311:00 pm -
Nonstop4h 53m
Sat 9/268:25 am -
Nonstop5h 31m
Deal found 9/1![United Airlines logo]()
$277
This United Airlines deal was found by Cheapflights users on 8/28. 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.
Thu 10/1511:30 pm -
Nonstop4h 51m
Mon 10/1910:13 pm -
Nonstop5h 32m
Deal found 8/28![United Airlines logo]()
$307
This United Airlines deal was found by Cheapflights users on 9/1. 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.
Thu 10/299:35 pm -
Nonstop4h 44m
Fri 10/3010:10 pm -
Nonstop5h 49m
Deal found 9/1![United Airlines logo]()
$317
This United Airlines deal was found by Cheapflights users on 8/31. 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.
Thu 10/14:40 pm -
Nonstop5h 01m
Fri 10/23:36 pm -
Nonstop5h 32m
Deal found 8/31![United Airlines logo]()
$317
This Alaska Airlines deal was found by Cheapflights users on 8/29. 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 10/611:34 am -
1 stop9h 25m
Mon 10/127:24 pm -
2 stops19h 29m
Deal found 8/29![Alaska Airlines logo]()
$465
This United Airlines deal was found by Cheapflights users on 8/28. 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 10/1810:30 pm -
Nonstop4h 59m
Fri 10/2310:13 pm -
Nonstop5h 32m
Deal found 8/28![United Airlines logo]()
$367
This United Airlines deal was found by Cheapflights users on 8/31. 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.
Mon 10/511:30 pm -
Nonstop4h 51m
Fri 10/910:13 pm -
Nonstop5h 32m
Deal found 8/31![United Airlines logo]()
$387
This United Airlines deal was found by Cheapflights users on 8/28. 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 9/2311:00 pm -
Nonstop4h 53m
Mon 9/287:00 am -
Nonstop5h 33m
Deal found 8/28![United Airlines logo]()
$387
This United Airlines deal was found by Cheapflights users on 9/1. 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.
Mon 9/2110:39 pm -
Nonstop4h 59m
Sat 9/269:28 am -
Nonstop5h 32m
Deal found 9/1![United Airlines logo]()
$397
This United Airlines deal was found by Cheapflights users on 8/30. 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.
Thu 9/2410:35 pm -
Nonstop4h 59m
Mon 9/285:45 pm -
Nonstop5h 36m
Deal found 8/30![United Airlines logo]()
$427
Last-minute flights from Riverside to Dulles IntlDiscover last-minute flight deals from Riverside to Dulles Intl. Data last updated September 2, 2026 and is based on user searches.
Discover last-minute flight deals from Riverside to Dulles Intl. Data last updated September 2, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1812:38 pm -
1 stop8h 32m
Mon 9/219:04 pm -
2 stops30h 06m
Deal found 8/28![Frontier logo]()
$281
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/239:40 pm -
1 stop9h 47m
Mon 9/289:04 pm -
2 stops20h 35m
Deal found 9/2![Frontier logo]()
$280
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3012:38 pm -
1 stop8h 32m
Mon 10/59:04 pm -
2 stops20h 35m
Deal found 9/1![Frontier logo]()
$262
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/12:50 pm -
1 stop12h 30m
Mon 10/59:04 pm -
2 stops20h 35m
Deal found 9/1![Frontier logo]()
$267
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/212:59 am -
1 stop7h 34m
Sat 10/179:06 pm -
2 stops37h 28m
Deal found 9/1![Frontier logo]()
$279
This United Airlines deal was found by Cheapflights users on 8/31. 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 10/39:10 pm -
Nonstop5h 01m
Sun 10/47:00 am -
Nonstop5h 33m
Deal found 8/31![United Airlines logo]()
$272
This Kiwi.com deal was found by Cheapflights users on 8/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/712:42 pm -
1 stop8h 28m
Sun 10/116:00 am -
1 stop28h 34m
Deal found 8/30![Frontier logo]()
$264
This Expedia deal was found by Cheapflights users on 9/2. 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.
Fri 10/912:14 am -
1 stop13h 59m
Sat 10/176:00 am -
1 stop12h 10m
Deal found 9/2![Frontier logo]()
$276
This American Airlines deal was found by Cheapflights users on 9/2. 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.
Sat 10/179:42 pm -
Nonstop4h 50m
Sat 10/246:00 am -
Nonstop5h 46m
Deal found 9/2![American Airlines logo]()
$278
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2012:09 am -
1 stop8h 25m
Mon 10/267:50 am -
2 stops28h 29m
Deal found 9/1![Frontier logo]()
$275
This American Airlines deal was found by Cheapflights users on 8/28. 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.
Thu 10/229:42 pm -
Nonstop4h 50m
Sun 10/256:00 am -
Nonstop5h 46m
Deal found 8/28![American Airlines logo]()
$277
This Frontier deal was found by Cheapflights users on 8/28. 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 10/2312:14 am -
1 stop13h 59m
Sun 10/257:50 am -
1 stop12h 52m
Deal found 8/28![Frontier logo]()
$273
One-way flights from Riverside to Dulles IntlSearch for one-way flight options from Riverside to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated September 2, 2026.
Search for one-way flight options from Riverside to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated September 2, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/512:03 am -
1 stop8h 33m
Deal found 8/30![Frontier logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/45:15 pm -
2 stops27h 28m
Deal found 9/1![Frontier logo]()
$146
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/222:01 pm -
2 stops24h 17m
Deal found 8/28![Frontier logo]()
$148
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/129:57 pm -
2 stops16h 16m
Deal found 9/2![Frontier logo]()
$149
This CheapOair deal was found by Cheapflights users on 9/2. 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.
Tue 10/62:01 pm -
2 stops24h 17m
Deal found 9/2![Frontier logo]()
$153
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/210:04 pm -
2 stops23h 06m
Deal found 9/2![Frontier logo]()
$157
This United Airlines deal was found by Cheapflights users on 8/31. 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 10/711:30 pm -
Nonstop4h 51m
Deal found 8/31![United Airlines logo]()
$159
This Kiwi.com deal was found by Cheapflights users on 8/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1810:04 pm -
2 stops23h 06m
Deal found 8/29![Frontier logo]()
$161
This Super.com deal was found by Cheapflights users on 9/2. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/249:40 pm -
1 stop9h 37m
Deal found 9/2![Frontier logo]()
$162
This Frontier deal was found by Cheapflights users on 9/2. 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 9/296:05 am -
2 stops15h 05m
Deal found 9/2![Frontier logo]()
$163
Find flight deals from Riverside to Dulles Intl
Keep the following information in mind while searching for Riverside to Dulles Intl flight deals. Data was last updated September 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $262 (Kiwi.com) |
One-way from | $140 (Kiwi.com) |
Popular in | June |
Cheapest in | October |
Average price | $384 |
Cheapflights Fare Finder
Customize your flight search to find flights from Riverside to Dulles Intl 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 7,457,451 searches. Data last updated September 2, 2026.
Use the filters below to find and compare flights from Riverside to Washington, D.C. Dulles Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
Los AngelesWashington, D.C.
LAX Los Angeles Los Angeles - IAD Washington, D.C. Dulles Intl
LAXIAD
Los Angeles Los Angeles
Fri 10/9
11:30 pm-7:21 am
Nonstop4h 51m
Washington, D.C. Dulles Intl
Sun 10/11
7:00 am-9:31 am
Nonstop5h 31m
$277
Los AngelesWashington, D.C.
LAX Los Angeles Los Angeles - IAD Washington, D.C. Dulles Intl
LAXIAD
Los Angeles Los Angeles
Wed 9/23
11:00 pm-6:53 am
Nonstop4h 53m
Washington, D.C. Dulles Intl
Sat 9/26
8:25 am-10:56 am
Nonstop5h 31m
$277
Los AngelesWashington, D.C.
LAX Los Angeles Los Angeles - IAD Washington, D.C. Dulles Intl
LAXIAD
Los Angeles Los Angeles
Thu 10/15
11:30 pm-7:21 am
Nonstop4h 51m
Washington, D.C. Dulles Intl
Mon 10/19
10:13 pm-12:45 am
Nonstop5h 32m
$307
Los AngelesWashington, D.C.
LAX Los Angeles Los Angeles - IAD Washington, D.C. Dulles Intl
LAXIAD
Los Angeles Los Angeles
Thu 10/29
9:35 pm-5:19 am
Nonstop4h 44m
Washington, D.C. Dulles Intl
Fri 10/30
10:10 pm-12:59 am
Nonstop5h 49m
$317
Los AngelesWashington, D.C.
LAX Los Angeles Los Angeles - IAD Washington, D.C. Dulles Intl
LAXIAD
Los Angeles Los Angeles
Thu 10/1
4:40 pm-12:41 am
Nonstop5h 01m
Washington, D.C. Dulles Intl
Fri 10/2
3:36 pm-6:08 pm
Nonstop5h 32m
$317
Los AngelesWashington, D.C.
LAX Los Angeles Los Angeles - IAD Washington, D.C. Dulles Intl
LAXIAD
Los Angeles Los Angeles
Sun 10/18
10:30 pm-6:29 am
Nonstop4h 59m
Washington, D.C. Dulles Intl
Fri 10/23
10:13 pm-12:45 am
Nonstop5h 32m
$367
Los AngelesWashington, D.C.
LAX Los Angeles Los Angeles - IAD Washington, D.C. Dulles Intl
LAXIAD
Los Angeles Los Angeles
Mon 10/5
11:30 pm-7:21 am
Nonstop4h 51m
Washington, D.C. Dulles Intl
Fri 10/9
10:13 pm-12:45 am
Nonstop5h 32m
$387
Los AngelesWashington, D.C.
LAX Los Angeles Los Angeles - IAD Washington, D.C. Dulles Intl
LAXIAD
Los Angeles Los Angeles
Wed 9/23
11:00 pm-6:53 am
Nonstop4h 53m
Washington, D.C. Dulles Intl
Mon 9/28
7:00 am-9:33 am
Nonstop5h 33m
$387
Los AngelesWashington, D.C.
LAX Los Angeles Los Angeles - IAD Washington, D.C. Dulles Intl
LAXIAD
Los Angeles Los Angeles
Mon 9/21
10:39 pm-6:38 am
Nonstop4h 59m
Washington, D.C. Dulles Intl
Sat 9/26
9:28 am-12:00 pm
Nonstop5h 32m
$397
Los AngelesWashington, D.C.
LAX Los Angeles Los Angeles - IAD Washington, D.C. Dulles Intl
LAXIAD
Los Angeles Los Angeles
Thu 9/24
10:35 pm-6:34 am
Nonstop4h 59m
Washington, D.C. Dulles Intl
Mon 9/28
5:45 pm-8:21 pm
Nonstop5h 36m
$427
Showing 1-10 of 22 resultsSorted by cheapest first
Best time to book a flight from Riverside to Dulles Intl
Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Riverside with our price prediction graph.
LAX-IAD
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 Riverside to Washington, D.C. Dulles Intl Airport
R1V-IAD
LAX-IAD
What is the cheapest time of day to fly from R1V to IAD?
Find hourly flight availability from Riverside to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 2, 2026.
It’s optimal to fly from Riverside to Washington, D.C. Dulles Intl Airport in the afternoon. By choosing this option you can save up to 37% on the cost of your flight, compared to a flight in the morning.
Weekly flight availability from Riverside to Washington, D.C. Dulles Intl Airport
Explore weekly flight availability from Riverside to Dulles Intl. 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 September 2, 2026.
The most flights from R1V to IAD are scheduled on a Monday (21 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (8 on average).
How much does it cost to fly round-trip from Riverside to Washington, D.C. Dulles Intl Airport?
Airfare is below average for this route at the moment.
Riverside to Washington, D.C. Dulles Intl Airport flights typically cost between $291 and $488 in September.The cheapest round-trip price found within the last 5 days was $262 on Frontier (Sep 30-Oct 5).
What is the cheapest day to fly from Riverside to Washington, D.C. Dulles Intl Airport?
Use this chart to determine the cheapest time to fly round-trip from Riverside to Dulles Intl. Price data was last updated on August 29, 2026.
Travelers seeking maximum savings on their Riverside to Washington, D.C. Dulles Intl Airport flight should consider departing on Thursday afternoons 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.
Reviews of airlines servicing Dulles Intl
Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated September 2, 2026.
Read through reviews of airlines operating flights from Riverside to Washington, D.C. Dulles Intl Airport, such as Southwest,Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Crew
8.6
Overall
8.0
Food
7.0
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Crew
8.6
Overall
8.0
Food
7.0
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Crew
8.6
Overall
8.0
Food
7.0
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Crew
8.6
Overall
8.0
Food
7.0
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Crew
8.6
Overall
8.0
Food
7.0
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Crew
8.6
Overall
8.0
Food
7.0
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Related info for your journey
Find useful and relevant information for your journey from Riverside to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Washington, D.C. Dulles Intl Airport?
Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locationsAlexandria
Owings Mills
Arlington
Tysons
Lanham
Reston
Herndon
Rockville
Chantilly
Hyattsville
Fredericksburg
Woodbridge
Falls Church
Sterling
Hanover
Laurel
Oxon Hill
Clinton
Hunt Valley
Silver Spring
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Other flights to Dulles Intl
Explore flights to Dulles Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 2, 2026.
Search flights from Riverside to Dulles Intl by cabin class
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Riverside and Dulles Intl flights
Browse other Riverside and Dulles Intl flight options. Last updated on September 2, 2026.
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Riverside to Dulles Intl flights
Consider these flights traveling from Riverside to Dulles Intl.
Top 7 airlines flying from Riverside to Dulles Intl
Discover the top 7 airlines that operate flights from Riverside to Dulles Intl. 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 7,457,451 searches. Data last updated September 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$170 | Average$322 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$238 | Average$543 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$245 | Average$521 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$256 | Average$462 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$282 | Average$526 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$297 | Average$537 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$362 | Average$424 | FlexibilityNo cancel fee | On-time62% |