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Dulles Intl

$121+ 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 1/24. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — IAD
Dec 5 — Dec 121
Fri 12/5
Fri 12/12
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

Keep the following information in mind while searching for Irvine to Dulles Intl flight deals. Data was last updated November 5, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$238
(Kiwi.com)

One-way from

$121
(Kiwi.com)

Popular in

December

Cheapest in

May

Average price

$471
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
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One-way flight from Irvine to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($63 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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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 November 5, 2025.

This KAYAK deal was found by Cheapflights users on 11/2. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/55:37 pmLAX - IAD
1 stop9h 29mAlaska Airlines
Mon 12/87:34 amIAD - LAX
1 stop10h 46mAlaska Airlines
Deal found 11/2$236
This United Airlines deal was found by Cheapflights users on 11/3. 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 12/511:00 pmLAX - IAD
Nonstop4h 51mUnited Airlines
Tue 12/96:00 pmIAD - LAX
Nonstop5h 38mUnited Airlines
Deal found 11/3$237
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 12/193:30 pmLAX - IAD
2 stops23h 46mFrontier
Wed 12/247:01 pmIAD - LAX
1 stop16h 10mFrontier
Deal found 11/4$239
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 11/2611:15 pmLAX - IAD
1 stop8h 02mMultiple Airlines
Mon 12/16:46 pmIAD - LAX
1 stop17h 24mMultiple Airlines
Deal found 11/4$240
This flugladen.de deal was found by Cheapflights users on 11/5. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/267:24 pmLAX - IAD
2 stops11h 53mFrontier
Fri 12/55:45 amIAD - LAX
1 stop10h 02mFrontier
Deal found 11/5$241
This Trip.com deal was found by Cheapflights users on 11/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/201:20 pmLAX - IAD
1 stop7h 39mMultiple Airlines
Sun 11/238:44 amIAD - LAX
2 stops17h 13mMultiple Airlines
Deal found 11/3$242
This eDestinos deal was found by Cheapflights users on 11/3. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/310:45 pmLAX - IAD
1 stop21h 25mMultiple Airlines
Mon 12/87:34 amIAD - LAX
1 stop10h 46mMultiple Airlines
Deal found 11/3$243
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 11/255:45 amLAX - IAD
1 stop9h 01mMultiple Airlines
Thu 12/45:45 amIAD - LAX
1 stop10h 02mMultiple Airlines
Deal found 11/3$245
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 12/186:00 amLAX - IAD
1 stop9h 16mMultiple Airlines
Tue 12/236:34 amIAD - LAX
1 stop30h 36mMultiple Airlines
Deal found 11/4$246
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 12/810:39 pmLAX - IAD
1 stop12h 50mMultiple Airlines
Thu 12/185:35 amIAD - LAX
1 stop10h 58mMultiple Airlines
Deal found 11/4$247
This Expedia deal was found by Cheapflights users on 11/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/210:45 pmLAX - IAD
1 stop12h 44mMultiple Airlines
Tue 12/97:34 amIAD - LAX
2 stops14h 19mMultiple Airlines
Deal found 11/3$248

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 November 5, 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

Wed 12/3

11:00 pm-6:51 am

Nonstop4h 51m

Washington, D.C. Dulles Intl

Sat 12/6

12:41 pm-3:33 pm

Nonstop5h 52m

$237

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Thu 12/4

11:25 am-6:06 am

1 stop15h 41m

Washington, D.C. Dulles Intl

Sun 12/7

6:30 pm-8:49 am

1 stop17h 19m

$286

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Fri 1/16

6:10 am-4:00 pm

1 stop6h 50m

Washington, D.C. Dulles Intl

Mon 1/19

5:40 pm-10:40 pm

1 stop8h 00m

$287

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Mon 12/1

10:57 pm-6:48 am

Nonstop4h 51m

Washington, D.C. Dulles Intl

Fri 12/5

6:00 pm-8:38 pm

Nonstop5h 38m

$307

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Mon 1/5

10:59 pm-6:48 am

Nonstop4h 49m

Washington, D.C. Dulles Intl

Wed 1/14

12:40 pm-3:34 pm

Nonstop5h 54m

$309

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Fri 12/12

5:37 pm-6:06 am

1 stop9h 29m

Washington, D.C. Dulles Intl

Mon 12/15

7:34 am-5:08 pm

2 stops12h 34m

$325

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Thu 11/27

8:40 am-4:26 pm

Nonstop4h 46m

Washington, D.C. Dulles Intl

Wed 12/3

10:08 pm-12:59 am

Nonstop5h 51m

$328

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Fri 12/5

4:37 pm-6:06 am

1 stop10h 29m

Washington, D.C. Dulles Intl

Sat 12/13

5:37 pm-11:02 am

2 stops20h 25m

$336

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Fri 12/5

3:37 pm-6:06 am

1 stop11h 29m

Washington, D.C. Dulles Intl

Sun 12/14

6:30 pm-9:21 am

2 stops17h 51m

$336

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Thu 12/4

1:30 pm-9:22 pm

Nonstop4h 52m

Washington, D.C. Dulles Intl

Wed 12/10

7:00 pm-9:51 pm

Nonstop5h 51m

$336

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/4

Showing 1-10 of 22 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 October 31, 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 $243). 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 November 5, 2025.

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 14% 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 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. Monday mornings 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 November 5, 2025.

The most flights from IR9 to IAD are scheduled on a Wednesday (30 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (17 on average).

How much does it cost to fly round-trip from Irvine to Washington, D.C. Dulles Intl Airport?

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 November 5, 2025.
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
11,241 reviews

Entertainment

7.0

Comfort

7.8

Boarding

8.1

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.
Alaska Airlines
8.0
Very good
11,241 reviews
Alaska Airlines
8.0
Very good
11,241 reviews

Entertainment

7.0

Comfort

7.8

Boarding

8.1

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.
Southwest
8.0
Very good
4,239 reviews
Alaska Airlines
8.0
Very good
11,241 reviews

Entertainment

7.0

Comfort

7.8

Boarding

8.1

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.
Hawaiian Airlines
7.8
Good
2,800 reviews
Alaska Airlines
8.0
Very good
11,241 reviews

Entertainment

7.0

Comfort

7.8

Boarding

8.1

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.
United Airlines
7.4
Good
9,000 reviews
Alaska Airlines
8.0
Very good
11,241 reviews

Entertainment

7.0

Comfort

7.8

Boarding

8.1

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.
Frontier
5.8
Fair
3,115 reviews
Alaska Airlines
8.0
Very good
11,241 reviews

Entertainment

7.0

Comfort

7.8

Boarding

8.1

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.

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, Alaska Airlines, and Southwest fly from Irvine to Washington, D.C. Dulles Intl Airport in about 4h 51m. The time it takes to get you to your destination can typically vary by up to 10h 50m. The distance from Irvine to Washington, D.C. Dulles Intl Airport is about 2282 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 Alaska Airlines, which is currently one of the cheapest options available, starting at $128. Southwest flights start at $129 while deals on United Airlines start at $139 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: Egyptair (100%), Air China (99%), Ethiopian Air( 97%).

  • 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 $1,015. The most popular route, (Los Angeles - Washington, D.C. Dulles Intl), can usually be booked for $170.

  • 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 $243). 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
Tysons
Woodbridge
Arlington
Owings Mills
Springfield
Hanover
Silver Spring
Fairfax
Fredericksburg
Falls Church
Linthicum Heights
Manassas
Laurel
Towson
National Harbor
Waldorf
Bowie
Largo
McLean

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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 November 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$72Average$223FlexibilityNo cancel feeOn-time65%
FrontierCheapest$123Average$275FlexibilityNo cancel feeOn-time62%
DeltaCheapest$138Average$399FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$138Average$326FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$207Average$427FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$227Average$379FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$227Average$447FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$278Average$435FlexibilityNo cancel feeOn-time71%

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