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Dulles Intl

$49+ Cheap flights from Ohio 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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
CVG — IAD
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Ohio to Dulles Intl

Keep the following information in mind while searching for Ohio to Dulles Intl flight deals. Data was last updated September 11, 2025.

Round-trip from

$117
(Kiwi.com)

One-way from

$49
(Trip.com)

Popular in

April

Cheapest in

May

Average price

$254

Good round-trip deal

$308 or less

Good one-way deal

$179 or less
From Ohio to Washington, D.C. Dulles Intl
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One-way flight from Ohio to Washington, D.C. Dulles Intl
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Highest demand for flights based on searches. 9% potential increase in price ($28 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Ohio to Washington, D.C. Dulles Intl.
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Price to beat on a one-way flight from Ohio to Washington, D.C. Dulles Intl.
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Find flight deals from Ohio to Dulles Intl

Cheapest flights from Ohio to Dulles Intl
Explore the most affordable flight options available from Ohio to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Sat 10/45:50 pmDTW - IAD
1 stop5h 06mMultiple Airlines
Tue 10/79:00 amIAD - DTW
1 stop8h 50mMultiple Airlines
Deal found 9/10$117
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 10/169:05 pmDTW - IAD
1 stop18h 34mMultiple Airlines
Wed 10/298:47 amIAD - DTW
1 stop9h 03mMultiple Airlines
Deal found 9/10$129
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/29:19 pmDTW - IAD
1 stop15h 36mMultiple Airlines
Mon 10/61:55 pmIAD - DTW
1 stop18h 21mMultiple Airlines
Deal found 9/9$130
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/316:07 pmDTW - IAD
1 stop5h 22mMultiple Airlines
Mon 11/36:18 pmIAD - DTW
1 stop13h 58mMultiple Airlines
Deal found 9/9$132
This Kiwi.com deal was found by Cheapflights users on 9/8. 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.
Sat 11/85:15 pmDTW - IAD
1 stop6h 40mMultiple Airlines
Wed 11/128:40 amIAD - DTW
1 stop8h 32mMultiple Airlines
Deal found 9/8$134
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 10/279:05 pmDTW - IAD
1 stop23h 15mMultiple Airlines
Sun 11/25:00 amIAD - DTW
1 stop26h 16mMultiple Airlines
Deal found 9/10$137
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 11/76:07 pmDTW - IAD
1 stop6h 04mMultiple Airlines
Mon 11/105:44 pmIAD - DTW
1 stop14h 16mMultiple Airlines
Deal found 9/10$138
This Southern / Mokulele deal was found by Cheapflights users on 9/9. 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 Southern / Mokulele is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/811:55 amPIT - IAD
1 stop4h 18mSouthern / Mokulele
Wed 10/155:40 pmIAD - PIT
1 stop3h 48mSouthern / Mokulele
Deal found 9/9$139
This Trip.com deal was found by Cheapflights users on 9/10. 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 9/1111:55 amPIT - IAD
1 stop4h 18mSouthern / Mokulele
Sun 9/1412:50 pmIAD - PIT
1 stop4h 17mSouthern / Mokulele
Deal found 9/10$140
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 10/109:05 pmDTW - IAD
1 stop18h 12mMultiple Airlines
Wed 10/159:00 amIAD - DTW
1 stop8h 50mMultiple Airlines
Deal found 9/11$140
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 10/33:00 pmDTW - IAD
1 stop8h 39mMultiple Airlines
Tue 10/79:00 amIAD - DTW
1 stop5h 34mMultiple Airlines
Deal found 9/10$141
This Gotogate deal was found by Cheapflights users on 9/11. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/33:42 pmDTW - IAD
1 stop7h 57mFrontier
Mon 10/66:10 amIAD - DTW
1 stop8h 36mFrontier
Deal found 9/11$142

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ohio 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 September 11, 2025.
Use the filters below to find and compare flights from Ohio to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Ohio

Fly to

Dulles Intl

Route

Depart

Return

Price

PittsburghWashington, D.C.

PIT - IAD

PITIAD

Pittsburgh

Fri 10/31

11:55 am-4:13 pm

1 stop4h 18m

Washington, D.C. Dulles Intl

Mon 11/3

8:25 am-2:22 pm

1 stop5h 57m

$139

PittsburghWashington, D.C.

PIT - IAD

PITIAD

Pittsburgh

Fri 10/3

11:55 am-4:13 pm

1 stop4h 18m

Washington, D.C. Dulles Intl

Sat 10/4

8:25 am-2:22 pm

1 stop5h 57m

$143

PittsburghWashington, D.C.

PIT - IAD

PITIAD

Pittsburgh

Fri 9/26

7:40 am-11:20 am

1 stop3h 40m

Washington, D.C. Dulles Intl

Mon 9/29

12:55 pm-5:07 pm

1 stop4h 12m

$159

PittsburghWashington, D.C.

PIT - IAD

PITIAD

Pittsburgh

Thu 10/9

11:55 am-4:13 pm

1 stop4h 18m

Washington, D.C. Dulles Intl

Sun 10/12

12:55 pm-5:07 pm

1 stop4h 12m

$159

PittsburghWashington, D.C.

PIT - IAD

PITIAD

Pittsburgh

Fri 10/24

7:40 am-11:20 am

1 stop3h 40m

Washington, D.C. Dulles Intl

Sun 10/26

12:55 pm-5:07 pm

1 stop4h 12m

$159

PittsburghWashington, D.C.

PIT - IAD

PITIAD

Pittsburgh

Sat 10/11

2:55 pm-11:35 am

1 stop20h 40m

Washington, D.C. Dulles Intl

Tue 10/14

8:25 am-2:22 pm

1 stop5h 57m

$162

PittsburghWashington, D.C.

PIT - IAD

PITIAD

Pittsburgh

Fri 10/10

11:55 am-4:13 pm

1 stop4h 18m

Washington, D.C. Dulles Intl

Sun 10/12

12:55 pm-7:12 am

1 stop18h 17m

$162

PittsburghWashington, D.C.

PIT - IAD

PITIAD

Pittsburgh

Fri 10/17

11:55 am-4:13 pm

1 stop4h 18m

Washington, D.C. Dulles Intl

Thu 10/23

12:55 pm-5:07 pm

1 stop4h 12m

$164

PittsburghWashington, D.C.

PIT - IAD

PITIAD

Pittsburgh

Fri 10/31

11:55 am-4:13 pm

1 stop4h 18m

Washington, D.C. Dulles Intl

Sun 11/2

5:40 pm-9:28 pm

1 stop3h 48m

$164

PittsburghWashington, D.C.

PIT - IAD

PITIAD

Pittsburgh

Wed 10/22

8:08 pm-9:10 pm

Nonstop1h 02m

Washington, D.C. Dulles Intl

Thu 10/23

8:25 am-9:26 am

Nonstop1h 01m

$166

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 60 results
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Best time to book a flight from Ohio to Dulles Intl

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

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

Currently, August is the cheapest month in which you can book a flight from Ohio to Washington, D.C. Dulles Intl Airport (average of $292). Flying from Ohio 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 OH to IAD?

Find hourly flight availability from Ohio 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 September 11, 2025.

When flying from Ohio 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.

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

Explore weekly flight availability from Ohio 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 September 11, 2025.

The most flights from USOH to IAD are scheduled on a Thursday (12 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (7 on average).

Related info for your journey

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

    There are many flights that can get you from Ohio to Washington, D.C. Dulles Intl Airport in 1h 17m. Fly via Southern / Mokulele, United Airlines, or Delta to get the fastest option. The distance between Ohio and Washington, D.C. Dulles Intl Airport is about 299 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    The cheapest airlines for a one-way flight from Ohio to Washington, D.C. Dulles Intl Airport are Southern / Mokulele ($70), United Airlines ($74), and Frontier ($78).

  • What are the most popular routes from Ohio to Washington, D.C. Dulles Intl Airport?

    While some choose either Cincinnati Cinci./N. Kentucky - Washington, D.C. Dulles Intl or Pittsburgh - Washington, D.C. Dulles Intl, Detroit Metropolitan Wayne County - Washington, D.C. Dulles Intl is the most popular route from Ohio to Washington, D.C. Dulles Intl Airport.

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

    The top 3 most reliable airlines when flying from Ohio to Washington, D.C. Dulles Intl Airport are Avianca (93%), Republic Airways (90%) and Copa Airlines (82%).

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

    Looking for the cheapest flight from Ohio to Washington, D.C. Dulles Intl Airport? While on average our users pay $1,928, our data indicates the cheapest price to be $118. The most popular route (Detroit Metropolitan Wayne County - Washington, D.C. Dulles Intl), is priced around $157.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Ohio to Washington, D.C. Dulles Intl Airport (average of $292). Flying from Ohio 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

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
Woodbridge
Alexandria
Arlington
Tysons
Silver Spring
Springfield
Gaithersburg
Fredericksburg
Linthicum Heights
Fairfax
Falls Church
Owings Mills
Manassas
Rockville
Hanover
Oxon Hill
Laurel
Towson
Dundalk
National Harbor

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Alternative routes for Ohio to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Salt Lake City to Reagan-National flights
Midway to Baltimore flights
Austin to Reagan-National flights
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Top 4 airlines flying from Ohio to Dulles Intl

Discover the top 4 airlines that operate flights from Ohio 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$110Average$185FlexibilityNo cancel feeOn-time62%
DeltaCheapest$178Average$259FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$187Average$297FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$337Average$437FlexibilityNo cancel feeOn-time71%

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