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$138+ 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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — LAX
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Irvine are usually found in July or February, booked 25 days in advance, depart on a Wednesday or Thursday and return on a Wednesday

Cheap flight deals from Dulles Intl to Irvine

Cheapest flights from Dulles Intl to Irvine
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 January 29, 2026.

This Expedia deal was found by Cheapflights users on 1/27. 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.
Mon 2/210:50 am
IAD
-
LAX
1 stop8h 29m
Frontier
Thu 2/265:14 pm
LAX
-
IAD
1 stop13h 11m
Frontier
Deal found 1/27$255
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Sun 3/17:14 pm
IAD
-
LAX
1 stop15h 01m
Multiple Airlines
Sun 3/810:43 pm
LAX
-
IAD
2 stops12h 35m
Multiple Airlines
Deal found 1/27$256
This Southwest deal was found by Cheapflights users on 1/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/244:30 pm
IAD
-
LAX
1 stop7h 55m
Southwest
Thu 2/267:55 am
LAX
-
IAD
1 stop7h 25m
Southwest
Deal found 1/28$257
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 5/18:09 am
IAD
-
LAX
1 stop13h 30m
Frontier
Mon 5/45:30 am
LAX
-
IAD
1 stop9h 49m
Frontier
Deal found 1/28$258
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Thu 2/266:52 pm
IAD
-
LAX
1 stop15h 23m
Multiple Airlines
Mon 3/29:21 pm
LAX
-
IAD
2 stops57h 04m
Multiple Airlines
Deal found 1/28$259
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 4/78:30 pm
IAD
-
LAX
1 stop13h 38m
Multiple Airlines
Mon 4/1311:25 pm
LAX
-
IAD
2 stops22h 11m
Multiple Airlines
Deal found 1/28$260
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Sun 2/227:20 pm
IAD
-
LAX
1 stop14h 55m
Multiple Airlines
Sat 2/281:05 am
LAX
-
IAD
2 stops30h 35m
Multiple Airlines
Deal found 1/27$261
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Wed 5/136:20 am
IAD
-
LAX
1 stop9h 16m
Frontier
Mon 5/181:51 pm
LAX
-
IAD
1 stop7h 45m
Frontier
Deal found 1/28$263
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 2/910:50 am
IAD
-
LAX
1 stop14h 50m
Multiple Airlines
Thu 2/125:14 pm
LAX
-
IAD
1 stop13h 11m
Multiple Airlines
Deal found 1/26$264
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Wed 5/206:20 am
IAD
-
LAX
1 stop9h 16m
Multiple Airlines
Wed 5/279:00 am
LAX
-
IAD
1 stop11h 59m
Multiple Airlines
Deal found 1/28$265
This Kiwi.com deal was found by Cheapflights users on 1/29. 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.
Mon 4/138:30 pm
IAD
-
LAX
2 stops17h 54m
Frontier
Wed 4/221:51 pm
LAX
-
IAD
1 stop7h 45m
Frontier
Deal found 1/29$266

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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$255
(Expedia)

One-way from

$138
(Kiwi.com)

Popular in

December

Cheapest in

July

Average price

$357
Provider with most accurate pricing for Washington, D.C. (WAS)-Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Los Angeles flights.
Search Deals
From Washington, D.C. Dulles Intl to Irvine
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Irvine
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($30 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 29, 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

Dulles Intl

Fly to

Irvine

Route

Depart

Return

Price

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Mon 2/23

6:00 pm-8:41 pm

Nonstop5h 41m

Los Angeles

Tue 3/3

4:05 pm-11:56 pm

Nonstop4h 51m

$257

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Tue 2/24

9:05 am-2:40 pm

1 stop8h 35m

Los Angeles

Fri 2/27

7:55 am-6:20 pm

1 stop7h 25m

$257

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Tue 2/17

6:00 pm-8:41 pm

Nonstop5h 41m

Los Angeles

Mon 2/23

11:25 pm-7:15 am

Nonstop4h 50m

$257

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Wed 2/25

9:05 am-5:05 pm

2 stops11h 00m

Los Angeles

Sat 2/28

10:00 am-9:45 pm

1 stop8h 45m

$262

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Sun 4/5

8:53 pm-11:44 pm

Nonstop5h 51m

Los Angeles

Sat 4/18

9:20 pm-5:25 am

Nonstop5h 05m

$267

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Wed 2/18

5:30 pm-10:00 pm

1 stop7h 30m

Los Angeles

Fri 2/20

5:25 am-2:45 pm

1 stop6h 20m

$277

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Wed 7/8

8:10 pm-10:34 pm

Nonstop5h 24m

Los Angeles

Tue 7/14

1:00 pm-8:50 pm

Nonstop4h 50m

$277

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Fri 6/5

7:00 am-9:25 am

Nonstop5h 25m

Los Angeles

Tue 6/16

11:10 pm-7:12 am

Nonstop5h 02m

$277

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Wed 5/13

5:55 pm-8:45 pm

Nonstop5h 50m

Los Angeles

Mon 5/18

10:10 pm-6:12 am

Nonstop5h 02m

$277

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Tue 2/24

3:45 pm-6:42 pm

Nonstop5h 57m

Los Angeles

Tue 2/24

11:25 pm-7:15 am

Nonstop4h 50m

$277

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 24 results
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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.
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

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Irvine?

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Irvine. Price data was last updated on January 23, 2026.

The price you pay for your flight from Washington, D.C. Dulles Intl Airport to Irvine may vary depending on when you book. For the best chance of a lower fare, look to book 25 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Irvine?

Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Irvine (average of $111). Flying from Washington, D.C. Dulles Intl Airport to Irvine in December is currently the most expensive (average of $237). 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 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 January 29, 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 41% versus a flight at noon.

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 January 24, 2026.

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Irvine flight should consider departing on Wednesday evenings when fares are most often at their lowest. Monday 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 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 January 29, 2026.

The most flights from IAD to IR9 are scheduled on a Thursday (28 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (12 on average).

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 January 29, 2026.
See what other customers who have flown with Alaska Airlines, Southwest, and Hawaiian Airlines 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.
Alaska Airlines
8.0
Very good
11,808 reviews

Comfort

7.8

Entertainment

7.0

Food

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Alaska Airlines
8.0
Very good
11,808 reviews
Alaska Airlines
8.0
Very good
11,808 reviews

Comfort

7.8

Entertainment

7.0

Food

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Southwest
8.0
Very good
4,267 reviews
Alaska Airlines
8.0
Very good
11,808 reviews

Comfort

7.8

Entertainment

7.0

Food

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Hawaiian Airlines
7.8
Good
2,830 reviews
Alaska Airlines
8.0
Very good
11,808 reviews

Comfort

7.8

Entertainment

7.0

Food

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
United Airlines
7.4
Good
9,215 reviews
Alaska Airlines
8.0
Very good
11,808 reviews

Comfort

7.8

Entertainment

7.0

Food

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Frontier
5.7
Fair
3,056 reviews
Alaska Airlines
8.0
Very good
11,808 reviews

Comfort

7.8

Entertainment

7.0

Food

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Irvine. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Washington, D.C. Dulles Intl Airport to Irvine?

    A quick flight from Washington, D.C. Dulles Intl Airport to Irvine can take about 5h 41m. United Airlines provides one of the quickest options available for as low as $257. Washington, D.C. Dulles Intl Airport and Irvine are separated by a distance of 2282 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Irvine one-way?

    $72 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on Frontier and Hawaiian Airlines, with prices starting from $83 and $113, respectively.

  • What are the most reliable airlines from Washington, D.C. Dulles Intl Airport to Irvine?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Washington, D.C. Dulles Intl Airport to Irvine on time: Egyptair (89%), Air China (88%), Ethiopian Air (88%).

  • What are the cheapest flights from Washington, D.C. Dulles Intl Airport to Irvine?

    On average you can expect to pay $951 for a flight from Washington, D.C. Dulles Intl Airport to Irvine. The cheapest flight overall is $145 while the most popular route, (Washington, D.C. Dulles Intl - Los Angeles) is currently priced at $213.

  • Can I find deals for flights from Dulles Intl to Irvine that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Irvine flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Irvine?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Irvine.

  • Can I find deals for business class flights from Dulles Intl to Irvine?

    Yes. Cheapflights offers flight deals from Dulles Intl to Irvine by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Irvine?

    Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Irvine (average of $111). Flying from Washington, D.C. Dulles Intl Airport to Irvine in December is currently the most expensive (average of $237). 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.

See more FAQs

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Alternative routes for Dulles Intl to Irvine

See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from Dulles Intl to Irvine

Discover the top 8 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$67Average$144FlexibilityNo cancel feeOn-time65%
FrontierCheapest$99Average$314FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$113Average$307FlexibilityNo cancel feeOn-time85%
DeltaCheapest$167Average$454FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$179Average$331FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$227Average$460FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$246Average$458FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$252Average$438FlexibilityNo cancel feeOn-time71%

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