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 $103. Alaska Airlines flights start at $139 while deals on Hawaiian Airlines start at $148 one-way.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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 $1,171. The most popular route, (Los Angeles - Washington, D.C. Dulles Intl), can usually be booked for $132.

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 (95%), Brussels Airlines (89%), Singapore Airlines( 89%).

What are the most popular airlines that fly from Irvine to Washington, D.C. Dulles Intl Airport?

The most popular airlines flying from Irvine to Washington, D.C. Dulles Intl Airport are American Airlines, Alaska Airlines and Delta. Something to consider prior to booking your flight.

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

Flights from Irvine to Washington, D.C. Dulles Intl Airport lean towards being more expensive in December. Prices are generally better when you fly from Irvine to Washington, D.C. Dulles Intl Airport in August, with the cheapest ticket starting at $131.

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.

$103+ Flights from Irvine to Washington, D.C. Dulles Intl Airport

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Irvine to Dulles Intl 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 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

Round-trip from	$179 (Kiwi.com)
One-way from	$103 (Frontier)
Popular in	December
Cheapest in	May
Average price	$386

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 ($64 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 July 2025

Search Deals

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 July 3, 2025.

Wed 7/163:48 pmLAX - IAD

1 stop11h 46mFrontier

Tue 7/227:30 amIAD - LAX

1 stop15h 22mFrontier

Deal found 7/3

$179

Sun 7/2711:46 pmLAX - IAD

1 stop9h 45mMultiple Airlines

Fri 8/14:24 pmIAD - LAX

1 stop8h 13mMultiple Airlines

Deal found 7/1

$229

Best flights from Irvine to Dulles Intl
Discover carefully curated flight deals from Irvine to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 3, 2025.

Wed 7/163:48 pmLAX - IAD

1 stop11h 46mFrontier

Tue 7/227:30 amIAD - LAX

1 stop15h 22mFrontier

Deal found 7/3

$179

Fri 7/117:45 pmLAX - IAD

1 stop7h 49mMultiple Airlines

Tue 7/2212:40 pmIAD - LAX

1 stop7h 19mMultiple Airlines

Deal found 6/30

$227

Last-minute flights from Irvine to Dulles Intl
Discover last-minute flight deals from Irvine to Dulles Intl. Data last updated July 3, 2025 and is based on user searches.

Wed 7/93:48 pmLAX - IAD

1 stop11h 46mFrontier

Tue 7/157:30 amIAD - LAX

1 stop15h 22mFrontier

Deal found 7/3

$179

Fri 7/117:45 pmLAX - IAD

1 stop7h 49mMultiple Airlines

Tue 7/2212:40 pmIAD - LAX

1 stop7h 19mMultiple Airlines

Deal found 6/30

$227

Wed 7/163:48 pmLAX - IAD

1 stop11h 46mFrontier

Tue 7/227:30 amIAD - LAX

1 stop15h 22mFrontier

Deal found 7/3

$179

Sun 7/2711:46 pmLAX - IAD

1 stop9h 45mMultiple Airlines

Fri 8/14:24 pmIAD - LAX

1 stop8h 13mMultiple Airlines

Deal found 7/1

$229

One-way flights from Irvine to Dulles Intl
Search for one-way flight options from Irvine to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated July 3, 2025.

Sat 8/23:48 pmLAX - IAD

1 stop11h 46mFrontier

Deal found 7/2

$103

Fri 8/158:20 amLAX - IAD

Nonstop5h 05mAlaska Airlines

Deal found 7/3

$139

Wed 9/310:00 amLAX - IAD

1 stop11h 23mHawaiian Airlines

Deal found 7/3

$148

Sun 7/276:10 amLAX - IAD

1 stop7h 20mSouthwest

Deal found 7/2

$149

Sun 7/2711:46 pmLAX - IAD

1 stop9h 45mSun Country Air

Deal found 7/2

$150

Wed 8/138:30 amLAX - IAD

2 stops22h 44mMultiple Airlines

Deal found 7/2

$151

Sat 7/2611:01 pmLAX - IAD

Nonstop4h 52mUnited Airlines

Deal found 7/2

$159

Cheapflights Fare Finder

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

Fly to

Route

Depart

Return

Price

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 7/16

3:48 pm-6:34 am

1 stop11h 46m

Washington, D.C. Dulles Intl

Tue 7/22

7:30 am-7:52 pm

1 stop15h 22m

$179

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Fri 7/11

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

$227

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Sat 8/2

3:48 pm-6:34 am

1 stop11h 46m

$103

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Fri 8/15

8:20 am-4:25 pm

Nonstop5h 05m

$139

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 9/3

10:00 am-12:23 am

1 stop11h 23m

$148

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Sun 7/27

6:10 am-4:30 pm

1 stop7h 20m

$149

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Sun 7/27

11:46 pm-12:31 pm

1 stop9h 45m

$150

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Wed 8/13

8:30 am-10:14 am

2 stops22h 44m

$151

Los AngelesWashington, D.C.

LAX - IAD

LAXIAD

Los Angeles

Sat 7/26

11:01 pm-6:53 am

Nonstop4h 52m

$159

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

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?

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?

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?

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

The most flights from IR9 to IAD are scheduled on a Thursday (37 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (13 on average).

Reviews of airlines servicing Dulles Intl

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

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Alaska Airlines

8.0

Very good

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Southwest

8.0

Very good

4,266 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Hawaiian Airlines

7.8

Good

2,545 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

United Airlines

7.4

Good

8,861 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Sun Country Air

6.9

Okay

339 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

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

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 $103. 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: Egyptair (95%), Brussels Airlines (89%), Singapore Airlines( 89%).
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 $1,171. The most popular route, (Los Angeles - Washington, D.C. Dulles Intl), can usually be booked for $132.
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

Arlington

Woodbridge

Alexandria

Tysons

Silver Spring

Fredericksburg

Linthicum Heights

Gaithersburg

Fairfax

Easton

Towson

Waldorf

Laurel

Falls Church

Rockville

Springfield

National Harbor

Manassas

Dundalk

Bowie

Browse thousands of different options on Cheapflights for your next trip

Top 8 airlines flying from Irvine to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$110	Average$275	FlexibilityNo cancel fee	On-time65%
Frontier	Cheapest$128	Average$260	FlexibilityNo cancel fee	On-time62%
Hawaiian Airlines	Cheapest$138	Average$327	FlexibilityNo cancel fee	On-time85%
Delta	Cheapest$138	Average$427	FlexibilityNo cancel fee	On-timeN/A
Alaska Airlines	Cheapest$206	Average$376	FlexibilityNo cancel fee	On-time75%
Southwest	Cheapest$207	Average$483	FlexibilityNo cancel fee	On-time63%
United Airlines	Cheapest$225	Average$446	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$286	Average$448	FlexibilityNo cancel fee	On-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$103+ 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 8/2. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Irvine to Dulles Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 July 3, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Irvine to Dulles Intl

Cheapest flights from Irvine to Dulles IntlExplore 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 July 3, 2025.

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 July 3, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Irvine to Washington, D.C. Dulles Intl Airport that are best for you.

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.

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.

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

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 July 3, 2025.

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.

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 July 3, 2025.

Reviews of airlines servicing Dulles Intl

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?

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

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

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

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

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

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

Traveling to a place near Irvine?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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

100% Free

Book with Flexibility

Travel Smart

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 July 3, 2025.