Dulles Intl

$106+ 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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — IAD
Jul 5 — Jul 121
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Irvine to Washington, D.C. Dulles Intl are usually found in May or August, booked 81 days in advance, depart on a Thursday or Friday and return on a Wednesday

Cheap 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 June 30, 2025.

Round-trip from

$178
(Kiwi.com)

One-way from

$106
(Priceline)

Popular in

December

Cheapest in

May

Average price

$392
From Irvine to Washington, D.C. Dulles Intl
One-way flight from Irvine to Washington, D.C. Dulles Intl
Highest demand for flights based on searches. 14% potential increase in price ($64 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
Average for round-trip flights in June 2025

Find 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 June 30, 2025.

This Kiwi.com deal was found by Cheapflights users on 6/30. 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 7/247:45 pmLAX - IAD
1 stop7h 49mFrontier
Mon 7/281:27 pmIAD - LAX
1 stop30h 41mFrontier
Deal found 6/30$178
This Priceline deal was found by Cheapflights users on 6/27. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/187:45 pmLAX - IAD
1 stop7h 49mMultiple Airlines
Tue 7/2212:40 pmIAD - LAX
1 stop7h 19mMultiple Airlines
Deal found 6/27$204

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 June 30, 2025.
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

Thu 7/24

7:45 pm-6:34 am

1 stop7h 49m

Washington, D.C. Dulles Intl

Mon 7/28

1:27 pm-5:08 pm

1 stop30h 41m

$178

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Fri 7/18

7:45 pm-6:34 am

1 stop7h 49m

Washington, D.C. Dulles Intl

Tue 7/22

12:40 pm-4:59 pm

1 stop7h 19m

$204

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 11/19

1:18 pm-11:45 pm

1 stop7h 27m

$106

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Tue 8/5

8:20 am-4:25 pm

Nonstop5h 05m

$139

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 11/12

8:10 pm-5:06 pm

2 stops17h 56m

$142

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Thu 11/20

5:45 am-5:05 pm

1 stop8h 20m

$149

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Fri 7/25

11:55 pm-11:43 am

1 stop8h 48m

$153

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 9/3

7:58 pm-7:55 pm

3 stops20h 57m

$155

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/27

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 June 27, 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, August is the cheapest month in which you can book a flight from Irvine to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Irvine to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $345). 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 June 30, 2025.

When flying from Irvine to Washington, D.C. Dulles Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 16, 2024.

Travelers seeking maximum savings on their Irvine to Washington, D.C. Dulles Intl Airport flight should consider departing on Friday 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.

Weekly flight availability from Irvine to Washington, D.C. Dulles Intl Airport

Explore weekly flight availability from Irvine 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 June 30, 2025.

The most flights from IR9 to IAD are scheduled on a Monday (39 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (21 on average).

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 June 30, 2025.
Read reviews from past customers who have flown Alaska Airlines, Hawaiian Airlines, and Sun Country Air 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.

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.
  • 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 Frontier, which is currently one of the cheapest options available, starting at $106. Alaska Airlines flights start at $139 while deals on Hawaiian Airlines start at $148 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: Iberia (100%), Egyptair (97%), Air China( 93%).

  • 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 $138. On average you can expect to pay $928. The most popular route, (Los Angeles - Washington, D.C. Dulles Intl), can usually be booked for $204.

  • 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, August is the cheapest month in which you can book a flight from Irvine to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Irvine to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $345). 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 Irvine to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.

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 June 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$110Average$275FlexibilityNo cancel feeOn-time65%
FrontierCheapest$128Average$260FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$138Average$327FlexibilityNo cancel feeOn-time85%
DeltaCheapest$138Average$427FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$206Average$376FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$207Average$483FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$225Average$446FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$286Average$448FlexibilityNo cancel feeOn-time71%

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