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 most popular airlines that fly from Orange County to Washington, D.C. Dulles Intl Airport?

Consider American Airlines, Alaska Airlines or Delta when booking your flight. These represent the most popular airlines when flying from Orange County to Washington, D.C. Dulles Intl Airport.

How far in advance should I book a flight from Orange County to Washington, D.C. Dulles Intl Airport?

Users have found that booking a flight from Orange County to Washington, D.C. Dulles Intl Airport at least 33 days early can save you up to 88% on average compared to booking a flight this week. If booking 33 days before your flight isn’t an option for you, users have found flights from Orange County to Washington, D.C. Dulles Intl Airport for as little as $377 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $608 for flights departing within the next 3 days.

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

August can be a great time to fly to Washington, D.C. Dulles Intl Airport from Orange County with a flight ticket averaging about $354. Cheapflights users have found deals in the month of August for as cheap as $130. The most expensive prices can be found in the month of December.

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

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

How can I find direct flights from Orange County to Dulles Intl?

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

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

Yes. Cheapflights offers flight deals from Orange County 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.

$72+ Flights from Orange County to Washington, D.C. Dulles Intl Airport

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Cheap flight deals from Orange County to Dulles Intl

Round-trip from	$210 (American Airlines)
One-way from	$72 (CheapOair)
Popular in	December
Cheapest in	August
Average price	$306

From Orange County to Washington, D.C. Dulles Intl

Search Deals

One-way flight from Orange County to Washington, D.C. Dulles Intl

Search Deals

Highest demand for flights based on searches. 10% potential increase in price ($43 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).

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Average for round-trip flights in August 2025

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Find flight deals from Orange County to Dulles Intl

Cheapest flights from Orange County to Dulles Intl
Explore the most affordable flight options available from Orange County to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 7, 2025.

Sat 9/2011:42 amSNA - IAD

1 stop8h 06mAmerican Airlines

Sat 9/276:25 amIAD - SNA

1 stop7h 27mAmerican Airlines

Deal found 8/6

$210

Wed 9/37:30 amSNA - IAD

1 stop8h 21mAmerican Airlines

Wed 9/106:25 amIAD - SNA

1 stop8h 32mAmerican Airlines

Deal found 8/6

$211

Wed 9/106:55 amLGB - IAD

1 stop7h 20mSouthwest

Mon 9/152:10 pmIAD - LGB

1 stop8h 30mSouthwest

Deal found 8/6

$216

Sat 9/131:10 pmLGB - IAD

1 stop6h 35mSouthwest

Mon 9/152:10 pmIAD - LGB

1 stop8h 30mSouthwest

Deal found 8/5

$222

Mon 8/251:48 pmSNA - IAD

1 stop7h 44mUnited Airlines

Thu 8/286:35 amIAD - SNA

1 stop8h 41mUnited Airlines

Deal found 8/6

$233

Tue 11/186:50 amLGB - IAD

1 stop7h 15mSouthwest

Sun 12/75:05 amIAD - LGB

1 stop9h 20mSouthwest

Deal found 8/6

$236

Tue 8/268:15 amSNA - IAD

1 stop7h 41mAmerican Airlines

Sun 8/316:27 amIAD - SNA

1 stop10h 18mAmerican Airlines

Deal found 8/6

$238

Mon 9/87:21 pmSNA - IAD

1 stop9h 12mAlaska Airlines

Tue 9/166:09 pmIAD - SNA

1 stop18h 40mAlaska Airlines

Deal found 8/5

$264

Fri 9/511:42 amSNA - IAD

1 stop8h 03mAmerican Airlines

Sun 9/76:25 amIAD - SNA

1 stop7h 27mAmerican Airlines

Deal found 8/6

$265

Thu 8/2811:26 amSNA - IAD

1 stop8h 18mAmerican Airlines

Thu 9/411:18 amIAD - SNA

1 stop10h 10mAmerican Airlines

Deal found 8/4

$271

Mon 9/811:42 amSNA - IAD

1 stop8h 06mAmerican Airlines

Sat 9/2011:47 amIAD - SNA

2 stops9h 41mAmerican Airlines

Deal found 8/6

$276

Wed 9/1010:50 amLGB - IAD

1 stop8h 15mSouthwest

Sun 9/147:40 amIAD - LGB

1 stop11h 10mSouthwest

Deal found 8/4

$295

Best flights from Orange County to Dulles Intl
Discover carefully curated flight deals from Orange County to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 7, 2025.

Sat 9/2011:42 amSNA - IAD

1 stop8h 06mAmerican Airlines

Sat 9/276:25 amIAD - SNA

1 stop7h 27mAmerican Airlines

Deal found 8/6

$210

Wed 9/106:55 amLGB - IAD

1 stop7h 20mSouthwest

Mon 9/152:10 pmIAD - LGB

1 stop8h 30mSouthwest

Deal found 8/6

$216

Mon 8/251:48 pmSNA - IAD

1 stop7h 44mUnited Airlines

Thu 8/286:35 amIAD - SNA

1 stop8h 41mUnited Airlines

Deal found 8/6

$233

Mon 11/31:04 pmLGB - IAD

1 stop7h 29mDelta

Sat 11/87:10 amIAD - LGB

1 stop7h 59mDelta

Deal found 8/5

$297

Wed 9/2411:42 amSNA - IAD

1 stop8h 06mAmerican Airlines

Tue 9/306:25 amIAD - SNA

1 stop8h 32mAmerican Airlines

Deal found 8/6

$211

Sat 9/131:10 pmLGB - IAD

1 stop6h 35mSouthwest

Mon 9/152:10 pmIAD - LGB

1 stop8h 30mSouthwest

Deal found 8/5

$222

Tue 11/186:50 amLGB - IAD

1 stop7h 15mSouthwest

Sun 12/75:05 amIAD - LGB

1 stop9h 20mSouthwest

Deal found 8/6

$236

Tue 8/268:15 amSNA - IAD

1 stop7h 41mAmerican Airlines

Sun 8/316:27 amIAD - SNA

1 stop10h 18mAmerican Airlines

Deal found 8/6

$238

Fri 11/146:45 amSNA - IAD

1 stop7h 25mSouthwest

Tue 11/184:40 pmIAD - SNA

1 stop7h 35mSouthwest

Deal found 8/7

$254

Sat 8/309:10 amSNA - IAD

1 stop6h 50mAmerican Airlines

Thu 9/411:18 amIAD - SNA

1 stop10h 10mAmerican Airlines

Deal found 8/7

$256

Wed 9/1010:50 amLGB - IAD

1 stop8h 15mSouthwest

Sun 9/147:40 amIAD - LGB

1 stop11h 10mSouthwest

Deal found 8/4

$295

Wed 9/1010:50 amLGB - IAD

1 stop8h 15mSouthwest

Fri 9/124:30 pmIAD - LGB

1 stop7h 40mSouthwest

Deal found 8/5

$303

Last-minute flights from Orange County to Dulles Intl
Discover last-minute flight deals from Orange County to Dulles Intl. Data last updated August 7, 2025 and is based on user searches.

Wed 8/136:55 amLGB - IAD

1 stop7h 20mSouthwest

Fri 8/152:10 pmIAD - LGB

1 stop8h 30mSouthwest

Deal found 8/5

$537

Thu 8/143:32 pmSNA - IAD

1 stop12h 02mFrontier

Sun 8/177:30 amIAD - SNA

1 stop11h 22mFrontier

Deal found 8/7

$405

Thu 8/143:32 pmSNA - IAD

1 stop12h 02mMultiple Airlines

Fri 8/152:44 pmIAD - SNA

2 stops31h 51mMultiple Airlines

Deal found 8/7

$423

Thu 8/143:32 pmSNA - IAD

1 stop12h 02mMultiple Airlines

Wed 8/208:00 amIAD - SNA

1 stop8h 41mMultiple Airlines

Deal found 8/6

$458

Thu 8/143:32 pmSNA - IAD

2 stops15h 35mFrontier

Fri 8/152:44 pmIAD - SNA

2 stops23h 27mFrontier

Deal found 8/7

$490

Thu 8/146:50 amLGB - IAD

2 stops8h 25mSouthwest

Fri 8/152:10 pmIAD - LGB

1 stop8h 30mSouthwest

Deal found 8/5

$542

Fri 8/153:32 pmSNA - IAD

1 stop12h 02mFrontier

Mon 8/187:30 amIAD - SNA

1 stop14h 10mFrontier

Deal found 8/7

$371

Fri 8/157:49 pmSNA - IAD

1 stop15h 22mMultiple Airlines

Sun 8/179:58 pmIAD - SNA

2 stops23h 42mMultiple Airlines

Deal found 8/7

$494

Sat 8/161:02 pmSNA - IAD

2 stops42h 05mFrontier

Sat 8/306:10 amIAD - SNA

2 stops39h 16mFrontier

Deal found 8/7

$433

Sat 8/168:15 amSNA - IAD

1 stop7h 41mAmerican Airlines

Sat 8/306:27 amIAD - SNA

1 stop10h 18mAmerican Airlines

Deal found 8/7

$486

Sun 8/173:32 pmSNA - IAD

1 stop12h 02mFrontier

Fri 8/228:00 amIAD - SNA

1 stop13h 19mFrontier

Deal found 8/6

$338

Sun 8/173:32 pmSNA - IAD

1 stop12h 02mFrontier

Mon 8/2510:22 amIAD - SNA

2 stops10h 57mFrontier

Deal found 8/7

$453

One-way flights from Orange County to Dulles Intl
Search for one-way flight options from Orange County to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated August 7, 2025.

Tue 9/169:09 amSNA - IAD

1 stop6h 43mBreeze Airways

Deal found 8/7

$72

Tue 10/79:09 amSNA - IAD

1 stop6h 43mBreeze Airways

Deal found 8/6

$87

Wed 10/89:09 amSNA - IAD

1 stop6h 43mBreeze Airways

Deal found 8/7

$92

Sat 9/139:09 amSNA - IAD

1 stop6h 43mBreeze Airways

Deal found 8/6

$96

Sat 9/68:00 amSNA - IAD

1 stop7h 53mUnited Airlines

Deal found 8/7

$101

Tue 9/910:50 amLGB - IAD

1 stop8h 15mSouthwest

Deal found 8/6

$102

Tue 9/239:09 amSNA - IAD

1 stop6h 43mBreeze Airways

Deal found 8/7

$102

Wed 9/249:09 amSNA - IAD

1 stop6h 43mBreeze Airways

Deal found 8/7

$103

Wed 9/1010:50 amLGB - IAD

1 stop8h 15mSouthwest

Deal found 8/6

$105

Mon 11/102:15 pmSNA - IAD

1 stop6h 15mSouthwest

Deal found 8/7

$105

Sat 9/2012:47 pmSNA - IAD

1 stop7h 01mAmerican Airlines

Deal found 8/6

$106

Thu 11/610:20 amLGB - IAD

1 stop10h 10mSouthwest

Deal found 8/6

$108

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Santa AnaWashington, D.C.

SNA - IAD

SNAIAD

Santa Ana J. Wayne/Orange Cnty

Sat 9/20

11:42 am-10:48 pm

1 stop8h 06m

Washington, D.C. Dulles Intl

Sat 9/27

6:25 am-10:52 am

1 stop7h 27m

$210

Santa AnaWashington, D.C.

SNA - IAD

SNAIAD

Santa Ana J. Wayne/Orange Cnty

Wed 9/24

11:42 am-10:48 pm

1 stop8h 06m

Washington, D.C. Dulles Intl

Tue 9/30

6:25 am-11:57 am

1 stop8h 32m

$211

Long BeachWashington, D.C.

LGB - IAD

LGBIAD

Long Beach Municipal

Wed 9/10

6:55 am-5:15 pm

1 stop7h 20m

Washington, D.C. Dulles Intl

Mon 9/15

2:10 pm-7:40 pm

1 stop8h 30m

$216

Long BeachWashington, D.C.

LGB - IAD

LGBIAD

Long Beach Municipal

Sat 9/13

1:10 pm-10:45 pm

1 stop6h 35m

Washington, D.C. Dulles Intl

Mon 9/15

2:10 pm-7:40 pm

1 stop8h 30m

$222

Santa AnaWashington, D.C.

SNA - IAD

SNAIAD

Santa Ana J. Wayne/Orange Cnty

Mon 8/25

1:48 pm-12:32 am

1 stop7h 44m

Washington, D.C. Dulles Intl

Thu 8/28

6:35 am-12:16 pm

1 stop8h 41m

$233

Long BeachWashington, D.C.

LGB - IAD

LGBIAD

Long Beach Municipal

Tue 11/18

6:50 am-5:05 pm

1 stop7h 15m

Washington, D.C. Dulles Intl

Sun 12/7

5:05 am-11:25 am

1 stop9h 20m

$236

Santa AnaWashington, D.C.

SNA - IAD

SNAIAD

Santa Ana J. Wayne/Orange Cnty

Tue 8/26

8:15 am-6:56 pm

1 stop7h 41m

Washington, D.C. Dulles Intl

Sun 8/31

6:27 am-1:45 pm

1 stop10h 18m

$238

Santa AnaWashington, D.C.

SNA - IAD

SNAIAD

Santa Ana J. Wayne/Orange Cnty

Fri 11/14

6:45 am-5:10 pm

1 stop7h 25m

Washington, D.C. Dulles Intl

Tue 11/18

4:40 pm-9:15 pm

1 stop7h 35m

$254

Santa AnaWashington, D.C.

SNA - IAD

SNAIAD

Santa Ana J. Wayne/Orange Cnty

Sat 8/30

9:10 am-7:00 pm

1 stop6h 50m

Washington, D.C. Dulles Intl

Thu 9/4

11:18 am-6:28 pm

1 stop10h 10m

$256

Long BeachWashington, D.C.

LGB - IAD

LGBIAD

Long Beach Municipal

Wed 9/10

10:50 am-10:05 pm

1 stop8h 15m

Washington, D.C. Dulles Intl

Sun 9/14

7:40 am-3:50 pm

1 stop11h 10m

$295

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/7

Showing 1-10 of 36 results

Best time to book a flight from Orange County to Dulles Intl

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

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

Currently, July is the cheapest month in which you can book a flight from Orange County to Washington, D.C. Dulles Intl Airport (average of $303). Flying from Orange County to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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 KFI to IAD?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Orange County to Washington, D.C. Dulles Intl Airport as you normally would.

Reviews of airlines servicing Dulles Intl

Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Delta from Orange County to Washington, D.C. Dulles Intl Airport by reading reviews from past customers. You can also see how each airline stacks up 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

4,247 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.

Delta

8.0

Very good

7,987 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.

Breeze Airways

8.0

Very good

191 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

2,631 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

Can I find deals for flights from Orange County to Dulles Intl that include hotel bookings?
Yes. In addition to deals on Orange County to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Orange County to Dulles Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Orange County to Dulles Intl.
Can I find deals for business class flights from Orange County to Dulles Intl?
Yes. Cheapflights offers flight deals from Orange County 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 Orange County to Washington, D.C. Dulles Intl Airport?
Currently, July is the cheapest month in which you can book a flight from Orange County to Washington, D.C. Dulles Intl Airport (average of $303). Flying from Orange County to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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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Springfield

National Harbor

Dundalk

Waldorf

Browse thousands of different options on Cheapflights for your next trip

Top 5 airlines flying from Orange County to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
Alaska Airlines	Cheapest$296	Average$397	FlexibilityNo cancel fee	On-time75%
Delta	Cheapest$303	Average$387	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$336	Average$463	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$342	Average$472	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$381	Average$555	FlexibilityNo cancel fee	On-time63%

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$72+ Cheap flights from Orange County 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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Orange County to Dulles Intl with Cheapflights

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2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Orange County to Dulles Intl

Keep the following information in mind while searching for Orange County to Dulles Intl flight deals. Data was last updated August 7, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Orange County to Dulles Intl

Cheapest flights from Orange County to Dulles IntlExplore the most affordable flight options available from Orange County to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 7, 2025.

Explore the most affordable flight options available from Orange County to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 7, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Orange County to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Orange County with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Orange County to Washington, D.C. Dulles Intl Airport

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

What is the cheapest time of day to fly from KFI to IAD?

Find hourly flight availability from Orange County 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 August 7, 2025.

Reviews of airlines servicing Dulles Intl

Related info for your journey

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

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

How can I find direct flights from Orange County to Dulles Intl?

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

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

Traveling to a place near Washington, D.C. Dulles Intl Airport?

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 Orange County to Dulles Intl

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

Top 5 airlines flying from Orange County to Dulles Intl

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Cheapest flights from Orange County to Dulles Intl
Explore the most affordable flight options available from Orange County to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 7, 2025.