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Dulles Intl

$144+ Cheap flights from Irvine, 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 3/27. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — IAD
Feb 1 — Feb 81
Sun 2/1
Sun 2/8
1 adult, Economy
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Cheapflights Tip: The best prices from Irvine to Washington, D.C. Dulles Intl are usually found in May or July, booked 81 days in advance, depart on a Thursday or Wednesday and return on a Wednesday

Cheap flight deals from Irvine to Dulles Intl

Cheapest flights from Irvine to Dulles Intl
Explore the most affordable flight options available from Irvine to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 2, 2026.

This United Airlines deal was found by Cheapflights users on 12/30. 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.
Wed 12/3111:30 pmLAX - IAD
Nonstop4h 48mUnited Airlines
Sat 1/36:10 amIAD - LAX
Nonstop5h 53mUnited Airlines
Deal found 12/30$396
This United Airlines deal was found by Cheapflights users on 12/30. 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.
Tue 12/304:50 pmLAX - IAD
Nonstop4h 55mUnited Airlines
Thu 1/1510:05 pmIAD - LAX
Nonstop5h 54mUnited Airlines
Deal found 12/30$415
This American Airlines deal was found by Cheapflights users on 12/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3110:55 pmLAX - IAD
1 stop6h 47mAmerican Airlines
Wed 1/75:26 pmIAD - LAX
1 stop8h 19mAmerican Airlines
Deal found 12/30$416
This United Airlines deal was found by Cheapflights users on 12/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3011:30 pmLAX - IAD
Nonstop4h 48mUnited Airlines
Sat 1/37:45 amIAD - LAX
Nonstop5h 53mUnited Airlines
Deal found 12/29$423
This American Airlines deal was found by Cheapflights users on 12/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/301:45 pmLAX - IAD
1 stop7h 19mAmerican Airlines
Thu 1/156:00 amIAD - LAX
1 stop9h 14mAmerican Airlines
Deal found 12/30$435
This American Airlines deal was found by Cheapflights users on 12/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:00 amLAX - IAD
1 stop8h 17mAmerican Airlines
Sat 1/36:05 amIAD - LAX
1 stop7h 47mAmerican Airlines
Deal found 12/29$443
This Priceline deal was found by Cheapflights users on 12/31. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3110:45 pmLAX - IAD
1 stop9h 53mFrontier
Fri 1/26:05 amIAD - LAX
1 stop10h 58mFrontier
Deal found 12/31$452
This United Airlines deal was found by Cheapflights users on 12/30. 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.
Wed 12/3110:59 pmLAX - IAD
Nonstop4h 49mUnited Airlines
Sun 1/46:10 amIAD - LAX
Nonstop5h 53mUnited Airlines
Deal found 12/30$453

Find flight deals from Irvine to Dulles Intl

Keep the following information in mind while searching for Irvine to Dulles Intl flight deals. Data was last updated January 2, 2026.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$255
(Frontier)

One-way from

$144
(Southwest)

Popular in

December

Cheapest in

May

Average price

$397
Provider with most accurate pricing for Los Angeles-Washington, D.C. (WAS) flight deals.
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Provider most trusted by Cheapflights users for Los Angeles-Washington, D.C. (WAS) flights.
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From Irvine to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Irvine to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($67 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Irvine 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 2,558,603 searches. Data last updated January 2, 2026.
Use the filters below to find and compare flights from Irvine to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Irvine

Fly to

Dulles Intl

Route

Depart

Return

Price

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 2/18

11:25 pm-7:15 am

Nonstop4h 50m

Washington, D.C. Dulles Intl

Tue 3/3

10:05 pm-1:09 am

Nonstop6h 04m

$257

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 2/11

11:25 pm-7:14 am

Nonstop4h 49m

Washington, D.C. Dulles Intl

Sat 2/14

7:13 pm-10:15 pm

Nonstop6h 02m

$257

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Thu 1/29

10:34 am-6:29 pm

Nonstop4h 55m

Washington, D.C. Dulles Intl

Mon 2/2

6:45 pm-9:41 pm

Nonstop5h 56m

$257

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Fri 2/6

1:25 pm-9:19 pm

Nonstop4h 54m

Washington, D.C. Dulles Intl

Tue 2/10

6:00 pm-8:44 pm

Nonstop5h 44m

$257

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Thu 1/29

8:40 am-4:22 pm

Nonstop4h 42m

Washington, D.C. Dulles Intl

Sun 2/1

10:05 pm-12:59 am

Nonstop5h 54m

$257

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Fri 1/30

1:25 pm-9:19 pm

Nonstop4h 54m

Washington, D.C. Dulles Intl

Fri 2/6

8:25 am-11:25 am

Nonstop6h 00m

$257

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 3/11

5:05 am-3:55 pm

1 stop7h 50m

Washington, D.C. Dulles Intl

Mon 3/16

4:45 pm-10:30 pm

1 stop8h 45m

$265

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Mon 1/26

5:45 am-4:50 pm

1 stop8h 05m

Washington, D.C. Dulles Intl

Thu 1/29

9:05 am-2:40 pm

1 stop8h 35m

$265

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Tue 2/3

12:30 pm-9:55 pm

1 stop6h 25m

Washington, D.C. Dulles Intl

Wed 2/11

4:30 pm-9:25 pm

1 stop7h 55m

$277

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Thu 2/12

5:25 am-2:45 pm

1 stop6h 20m

Washington, D.C. Dulles Intl

Mon 2/16

5:10 am-9:50 am

1 stop7h 40m

$277

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/31

Showing 1-10 of 23 results
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Best time to book a flight from Irvine to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Irvine 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 Irvine to Washington, D.C. Dulles Intl Airport

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

Use this chart to determine the optimal time to book a round-trip flight from Irvine to Dulles Intl. Price data was last updated on December 26, 2025.

Booking 81 days in advance of your planned departure date is, on average, the best time to get cheap flights from Irvine to Washington, D.C. Dulles Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, June is the cheapest month in which you can book a flight from Irvine to Washington, D.C. Dulles Intl Airport (average of $142). Flying from Irvine to Washington, D.C. Dulles Intl Airport in November is currently the most expensive (average of $267). 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 IR9 to IAD?

Find hourly flight availability from Irvine 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 January 2, 2026.

A simple way to save on the total cost of your ticket is to fly from Irvine to Washington, D.C. Dulles Intl Airport in the afternoon. If you’re flexible enough to do this you can expect to save up to 31% on your trip compared to booking a flight at noon.

What is the cheapest day to fly from Irvine to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Irvine to Dulles Intl. Price data was last updated on December 27, 2025.

Travelers seeking maximum savings on their Irvine to Washington, D.C. Dulles Intl Airport flight should consider departing on Tuesday 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 January 2, 2026.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Hawaiian Airlines from Irvine to Washington, D.C. Dulles Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,602 reviews

Comfort

7.8

Crew

8.5

Entertainment

7.0

Boarding

8.1

Overall

8.0

Food

7.1

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Alaska Airlines
8.0
Very good
11,602 reviews
Alaska Airlines
8.0
Very good
11,602 reviews

Comfort

7.8

Crew

8.5

Entertainment

7.0

Boarding

8.1

Overall

8.0

Food

7.1

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Southwest
8.0
Very good
4,255 reviews
Alaska Airlines
8.0
Very good
11,602 reviews

Comfort

7.8

Crew

8.5

Entertainment

7.0

Boarding

8.1

Overall

8.0

Food

7.1

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Hawaiian Airlines
7.8
Good
2,823 reviews
Alaska Airlines
8.0
Very good
11,602 reviews

Comfort

7.8

Crew

8.5

Entertainment

7.0

Boarding

8.1

Overall

8.0

Food

7.1

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
United Airlines
7.4
Good
9,133 reviews
Alaska Airlines
8.0
Very good
11,602 reviews

Comfort

7.8

Crew

8.5

Entertainment

7.0

Boarding

8.1

Overall

8.0

Food

7.1

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Frontier
5.7
Fair
3,066 reviews
Alaska Airlines
8.0
Very good
11,602 reviews

Comfort

7.8

Crew

8.5

Entertainment

7.0

Boarding

8.1

Overall

8.0

Food

7.1

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

Related info for your journey

Find useful and relevant information for your journey from Irvine to Dulles Intl. 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 Irvine to Washington, D.C. Dulles Intl Airport?

    Airlines like United Airlines fly from Irvine to Washington, D.C. Dulles Intl Airport in about 4h 50m. The time it takes to get you to your destination is usually consistent. The distance from Irvine to Washington, D.C. Dulles Intl Airport is about 2282 mi. Generally, flights for this route are nonstop.

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

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $48. Frontier flights start at $71 while deals on Southwest start at $99 one-way.

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

    Before booking your flight to Washington, D.C. Dulles Intl Airport from Irvine, check out the most reliable airlines to get you to your destination on time: Asiana Airlines (93%), Egyptair (92%), Ethiopian Air( 90%).

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

    The cheapest flight price from Irvine to Washington, D.C. Dulles Intl Airport is $148. On average you can expect to pay $1,178. The most popular route, (Los Angeles - Washington, D.C. Dulles Intl), can usually be booked for $184.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Irvine to Dulles Intl 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 Irvine to Washington, D.C. Dulles Intl Airport?

    Currently, June is the cheapest month in which you can book a flight from Irvine to Washington, D.C. Dulles Intl Airport (average of $142). Flying from Irvine to Washington, D.C. Dulles Intl Airport in November is currently the most expensive (average of $267). 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

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 locations
Alexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Hanover
Silver Spring
Fredericksburg
Linthicum Heights
Rockville
Laurel
Towson
Manassas
National Harbor
Bowie
Largo
McLean
Clinton
Cordova

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Alternative routes for Irvine to Dulles Intl

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

Discover the top 8 airlines that operate flights from Irvine 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 2,558,603 searches. Data last updated January 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$72Average$189FlexibilityNo cancel feeOn-time65%
FrontierCheapest$127Average$279FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$138Average$326FlexibilityNo cancel feeOn-time85%
DeltaCheapest$168Average$404FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$227Average$370FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$227Average$445FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$246Average$425FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$278Average$434FlexibilityNo cancel feeOn-time71%

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