$157+ Cheap flights from Dulles Intl (IAD) to Irvine, CA
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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — LAX
Sep 3 — Sep 101
Round-trip
1 adult, Economy
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Find cheap flights from Dulles Intl to Irvine 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 Washington, D.C. Dulles Intl to Irvine are usually found in September or January, booked 69 days in advance, depart on a Thursday or Friday and return on a Wednesday
Cheap flight deals from Dulles Intl to Irvine
Cheapest
Best
Last-minute
One-way
Cheapest flights from Dulles Intl to IrvineExplore the most affordable flight options available from Dulles Intl to Irvine. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 4, 2026.
Explore the most affordable flight options available from Dulles Intl to Irvine. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2110:45 am -
1 stop10h 27m
Mon 8/246:55 am -
2 stops24h 12m
Deal found 7/31![Frontier logo]()
$265
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 9/811:05 am -
2 stops27h 42m
Sat 9/129:40 pm -
1 stop9h 47m
Deal found 8/3![Frontier logo]()
$266
This eDestinos deal was found by Cheapflights users on 8/2. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/248:59 am -
2 stops26h 56m
Fri 8/2811:20 pm -
1 stop13h 47m
Deal found 8/2![Frontier logo]()
$267
This Frontier deal was found by Cheapflights users on 7/31. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1811:05 am -
1 stop10h 07m
Fri 8/2811:34 pm -
1 stop14h 40m
Deal found 7/31![Frontier logo]()
$268
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 8/318:59 am -
1 stop27h 30m
Thu 9/39:09 pm -
2 stops17h 05m
Deal found 8/3![Frontier logo]()
$269
This Kiwi.com deal was found by Cheapflights users on 8/1. 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.
Mon 9/79:44 pm -
2 stops22h 10m
Thu 9/1012:59 am -
1 stop7h 34m
Deal found 8/1![Frontier logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 9/28:59 am -
1 stop16h 40m
Tue 9/811:59 pm -
2 stops17h 10m
Deal found 8/2![Frontier logo]()
$271
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 9/189:04 pm -
2 stops22h 19m
Sat 10/312:38 pm -
1 stop8h 32m
Deal found 8/1![Frontier logo]()
$272
This Kissandfly.com deal was found by Cheapflights users on 8/2. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/238:59 am -
1 stop16h 40m
Sat 8/2911:00 pm -
Nonstop4h 53m
Deal found 8/2![Frontier logo]()
$273
This Super.com deal was found by Cheapflights users on 8/3. 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.
Sun 8/169:50 am -
1 stop26h 40m
Sun 8/2310:27 pm -
1 stop6h 37m
Deal found 8/3![Frontier logo]()
$274
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 8/186:09 pm -
2 stops32h 55m
Tue 8/2510:15 am -
1 stop18h 49m
Deal found 8/3![Frontier logo]()
$275
This Kiwi.com deal was found by Cheapflights users on 8/2. 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.
Thu 10/87:00 am -
1 stop13h 42m
Tue 10/133:15 pm -
2 stops18h 28m
Deal found 8/2![Frontier logo]()
$276
Best flights from Dulles Intl to IrvineDiscover carefully curated flight deals from Dulles Intl to Irvine that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 4, 2026.
Discover carefully curated flight deals from Dulles Intl to Irvine that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 4, 2026.
This United Airlines deal was found by Cheapflights users on 7/30. 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 9/2410:13 pm -
Nonstop5h 32m
Sun 9/2711:30 pm -
Nonstop4h 51m
Deal found 7/30![United Airlines logo]()
$287
This Alaska Airlines deal was found by Cheapflights users on 8/1. 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.
Sat 8/297:00 am -
1 stop11h 57m
Mon 8/315:50 pm -
1 stop8h 50m
Deal found 8/1![Alaska Airlines logo]()
$401
This United Airlines deal was found by Cheapflights users on 8/3. 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 9/38:20 am -
Nonstop5h 34m
Sun 9/68:17 am -
Nonstop5h 06m
Deal found 8/3![United Airlines logo]()
$287
This United Airlines deal was found by Cheapflights users on 8/3. 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 9/88:00 am -
Nonstop5h 33m
Tue 9/2210:35 pm -
Nonstop4h 59m
Deal found 8/3![United Airlines logo]()
$309
This United Airlines deal was found by Cheapflights users on 7/31. 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 9/310:23 pm -
Nonstop5h 36m
Sat 9/1211:00 pm -
Nonstop4h 53m
Deal found 7/31![United Airlines logo]()
$338
This United Airlines deal was found by Cheapflights users on 8/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/308:25 am -
Nonstop5h 49m
Sun 11/111:17 pm -
Nonstop4h 55m
Deal found 8/2![United Airlines logo]()
$367
This United Airlines deal was found by Cheapflights users on 8/1. 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.
Sat 8/295:42 pm -
Nonstop5h 37m
Sat 9/511:00 pm -
Nonstop4h 53m
Deal found 8/1![United Airlines logo]()
$367
This United Airlines deal was found by Cheapflights users on 8/3. 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 10/28:25 am -
Nonstop5h 31m
Sun 10/411:30 pm -
Nonstop4h 51m
Deal found 8/3![United Airlines logo]()
$367
This United Airlines deal was found by Cheapflights users on 8/3. 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 10/110:13 pm -
Nonstop5h 32m
Sat 10/109:10 pm -
Nonstop5h 01m
Deal found 8/3![United Airlines logo]()
$367
This United Airlines deal was found by Cheapflights users on 8/1. 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 8/261:00 pm -
Nonstop5h 23m
Tue 9/112:49 pm -
Nonstop5h 01m
Deal found 8/1![United Airlines logo]()
$367
This United Airlines deal was found by Cheapflights users on 7/31. 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.
Sun 9/2710:13 pm -
Nonstop5h 32m
Thu 10/110:30 pm -
Nonstop4h 59m
Deal found 7/31![United Airlines logo]()
$447
Last-minute flights from Dulles Intl to IrvineDiscover last-minute flight deals from Dulles Intl to Irvine. Data last updated August 4, 2026 and is based on user searches.
Discover last-minute flight deals from Dulles Intl to Irvine. Data last updated August 4, 2026 and is based on user searches.
This Super.com deal was found by Cheapflights users on 8/3. 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.
Sun 8/169:50 am -
1 stop26h 40m
Sun 8/2310:27 pm -
1 stop6h 37m
Deal found 8/3![Frontier logo]()
$274
This Frontier deal was found by Cheapflights users on 7/31. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1811:05 am -
1 stop10h 07m
Sun 8/3011:34 pm -
1 stop14h 40m
Deal found 7/31![Frontier logo]()
$268
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 8/186:09 pm -
2 stops32h 55m
Tue 8/2510:15 am -
1 stop18h 49m
Deal found 8/3![Frontier logo]()
$275
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2110:45 am -
1 stop10h 27m
Mon 8/246:55 am -
2 stops24h 12m
Deal found 7/31![Frontier logo]()
$265
This Kissandfly.com deal was found by Cheapflights users on 8/2. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/238:59 am -
1 stop16h 40m
Sat 8/2911:00 pm -
Nonstop4h 53m
Deal found 8/2![Frontier logo]()
$273
This eDestinos deal was found by Cheapflights users on 8/2. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/248:59 am -
2 stops26h 56m
Fri 8/2811:20 pm -
1 stop13h 47m
Deal found 8/2![Frontier logo]()
$267
This Kiwi.com deal was found by Cheapflights users on 7/30. 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.
Fri 8/287:24 pm -
2 stops16h 06m
Sun 8/3010:27 pm -
1 stop6h 37m
Deal found 7/30![Frontier logo]()
$276
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 8/318:59 am -
1 stop27h 30m
Thu 9/39:09 pm -
2 stops17h 05m
Deal found 8/3![Frontier logo]()
$269
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 9/28:59 am -
1 stop16h 40m
Tue 9/811:59 pm -
2 stops17h 10m
Deal found 8/2![Frontier logo]()
$271
This Kiwi.com deal was found by Cheapflights users on 8/1. 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.
Mon 9/79:44 pm -
2 stops22h 10m
Thu 9/1012:59 am -
1 stop7h 34m
Deal found 8/1![Frontier logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 9/811:05 am -
2 stops27h 42m
Sat 9/129:40 pm -
1 stop9h 47m
Deal found 8/3![Frontier logo]()
$266
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 9/189:04 pm -
2 stops22h 19m
Sat 10/312:38 pm -
1 stop8h 32m
Deal found 8/1![Frontier logo]()
$272
One-way flights from Dulles Intl to IrvineSearch for one-way flight options from Dulles Intl to Irvine. Find affordable one-way fares based on user searches. Data last updated August 4, 2026.
Search for one-way flight options from Dulles Intl to Irvine. Find affordable one-way fares based on user searches. Data last updated August 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 9/309:04 pm -
2 stops24h 06m
Deal found 8/3![Frontier logo]()
$157
This Priceline deal was found by Cheapflights users on 8/3. 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.
Mon 9/1411:12 am -
1 stop9h 58m
Deal found 8/3![Frontier logo]()
$159
This Kiwi.com deal was found by Cheapflights users on 8/1. 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.
Mon 8/3112:00 pm -
3 stops32h 30m
Deal found 8/1![Multiple Airlines logo]()
$161
This Kiwi.com deal was found by Cheapflights users on 7/30. 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.
Mon 8/317:24 pm -
2 stops16h 31m
Deal found 7/30![Frontier logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/78:59 am -
2 stops26h 56m
Deal found 7/31![Frontier logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/198:59 am -
2 stops26h 31m
Deal found 7/31![Frontier logo]()
$166
This Super.com deal was found by Cheapflights users on 8/2. 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.
Sun 10/117:00 am -
1 stop13h 42m
Deal found 8/2![Frontier logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 8/2112:00 pm -
2 stops33h 12m
Deal found 8/1![Multiple Airlines logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:09 pm -
2 stops26h 21m
Deal found 7/31![Frontier logo]()
$169
This Travelocity deal was found by Cheapflights users on 8/2. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:00 am -
1 stop13h 42m
Deal found 8/2![Frontier logo]()
$170
This Kissandfly.com deal was found by Cheapflights users on 8/2. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/218:59 am -
1 stop27h 30m
Deal found 8/2![Frontier logo]()
$171
Find flight deals from Dulles Intl to Irvine
Keep the following information in mind while searching for Dulles Intl to Irvine flight deals. Data was last updated August 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $265 (Kiwi.com) |
One-way from | $157 (Kiwi.com) |
Popular in | March |
Cheapest in | September |
Average price | $392 |
Cheapflights Fare Finder
Customize your flight search to find flights from Dulles Intl to Irvine 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 August 4, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Irvine that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Washington, D.C.Los Angeles
IAD - LAX
IADLAX
Washington, D.C. Dulles Intl
Thu 9/24
10:13 pm-12:45 am
Nonstop5h 32m
Los Angeles
Sun 9/27
11:30 pm-7:21 am
Nonstop4h 51m
$287
Washington, D.C.Los Angeles
IAD - LAX
IADLAX
Washington, D.C. Dulles Intl
Thu 9/3
8:20 am-10:54 am
Nonstop5h 34m
Los Angeles
Sun 9/6
8:17 am-4:23 pm
Nonstop5h 06m
$287
Washington, D.C.Los Angeles
IAD - LAX
IADLAX
Washington, D.C. Dulles Intl
Tue 9/8
8:00 am-10:33 am
Nonstop5h 33m
Los Angeles
Tue 9/22
10:35 pm-6:34 am
Nonstop4h 59m
$309
Washington, D.C.Los Angeles
IAD - LAX
IADLAX
Washington, D.C. Dulles Intl
Thu 9/3
10:23 pm-12:59 am
Nonstop5h 36m
Los Angeles
Sat 9/12
11:00 pm-6:53 am
Nonstop4h 53m
$338
Washington, D.C.Los Angeles
IAD - LAX
IADLAX
Washington, D.C. Dulles Intl
Fri 10/30
8:25 am-11:14 am
Nonstop5h 49m
Los Angeles
Sun 11/1
11:17 pm-7:12 am
Nonstop4h 55m
$367
Washington, D.C.Los Angeles
IAD - LAX
IADLAX
Washington, D.C. Dulles Intl
Sat 8/29
5:42 pm-8:19 pm
Nonstop5h 37m
Los Angeles
Sat 9/5
11:00 pm-6:53 am
Nonstop4h 53m
$367
Quickest round-trip
Washington, D.C.Los Angeles
IAD - LAX
IADLAX
Washington, D.C. Dulles Intl
Fri 10/2
8:25 am-10:56 am
Nonstop5h 31m
Los Angeles
Sun 10/4
11:30 pm-7:21 am
Nonstop4h 51m
$367
Washington, D.C.Los Angeles
IAD - LAX
IADLAX
Washington, D.C. Dulles Intl
Thu 10/1
10:13 pm-12:45 am
Nonstop5h 32m
Los Angeles
Sat 10/10
9:10 pm-5:11 am
Nonstop5h 01m
$367
Washington, D.C.Los Angeles
IAD - LAX
IADLAX
Washington, D.C. Dulles Intl
Wed 8/26
1:00 pm-3:23 pm
Nonstop5h 23m
Los Angeles
Tue 9/1
12:49 pm-8:50 pm
Nonstop5h 01m
$367
Washington, D.C.Los Angeles
IAD - LAX
IADLAX
Washington, D.C. Dulles Intl
Sat 8/29
7:00 am-3:57 pm
1 stop11h 57m
Los Angeles
Mon 8/31
5:50 pm-5:40 am
1 stop8h 50m
$401
Showing 1-10 of 22 resultsSorted by cheapest first
Best time to book a flight from Dulles Intl to Irvine
Have a flexible travel schedule? Discover the best time to fly to Irvine from Dulles Intl with our price prediction graph.
IAD-LAX
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 Irvine
IAD-IR9
IAD-LAX
What is the cheapest time of day to fly from IAD to IR9?
Find hourly flight availability from Dulles Intl to Irvine. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 4, 2026.
When flying from Washington, D.C. Dulles Intl Airport to Irvine, 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 23% versus a flight at noon.
Weekly flight availability from Washington, D.C. Dulles Intl Airport to Irvine
Explore weekly flight availability from Dulles Intl to Irvine. 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 August 4, 2026.
The most flights from IAD to IR9 are scheduled on a Monday (36 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (8 on average).
How much does it cost to fly round-trip from Washington, D.C. Dulles Intl Airport to Irvine?
Airfare is below average for this route at the moment.
Washington, D.C. Dulles Intl Airport to Irvine flights typically cost between $297 and $497 in August.The cheapest round-trip price found within the last 5 days was $265 on Frontier (Aug 21-Aug 24).
What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to Irvine?
Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to Irvine. Price data was last updated on August 1, 2026.
Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Irvine flight should consider departing on Thursday evenings when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Irvine
Get insights into the airlines that provide service to Irvine. 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 Irvine. Reviews last updated August 4, 2026.
See what other customers who have flown with Southwest,United Airlines, andJetBlue from Washington, D.C. Dulles Intl Airport to Irvine have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Overall
8.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Overall
8.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Overall
8.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Overall
8.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Overall
8.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Related info for your journey
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Top 7 airlines flying from Dulles Intl to Irvine
Discover the top 7 airlines that operate flights from Dulles Intl to Irvine. 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 August 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$129 | Average$367 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$131 | Average$462 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$180 | Average$420 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$227 | Average$476 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$237 | Average$470 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$260 | Average$362 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$283 | Average$430 | FlexibilityNo cancel fee | On-time75% |