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Cheap flights from Dayton to Washington, D.C. from $149

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Dayton to Washington, D.C. departing on 2/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

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United Airlines Logo
9:50 am - 11:31 am
DAY
-
IAD
1h 41mnonstop
United Airlines Logo
5:48 pm - 7:37 pm
IAD
-
DAY
1h 49mnonstop
$189United Airlines
Fri, Jan 16 - Sat, Jan 17
United Airlines Logo
7:50 pm - 9:25 pm
DAY
-
IAD
1h 35mnonstop
United Airlines Logo
5:48 pm - 7:37 pm
IAD
-
DAY
1h 49mnonstop
$204United Airlines
Sun, Jan 4 - Sat, Jan 17
Delta Logo
6:47 pm - 11:37 pm
DAY
-
IAD
4h 50m1 stop
Delta Logo
9:00 am - 2:57 pm
IAD
-
DAY
5h 57m1 stop
$209Delta
Wed, Jan 14 - Sun, Jan 18
United Airlines Logo
7:50 pm - 9:25 pm
DAY
-
IAD
1h 35mnonstop
United Airlines Logo
12:35 pm - 2:16 pm
IAD
-
DAY
1h 41mnonstop
$219United Airlines
Wed, Dec 31 - Sun, Jan 4
Delta Logo
6:47 pm - 11:37 pm
DAY
-
IAD
4h 50m1 stop
Delta Logo
9:00 am - 2:57 pm
IAD
-
DAY
5h 57m1 stop
$224Delta
Thu, Jan 8 - Sun, Jan 18
United Airlines Logo
7:50 pm - 9:25 pm
DAY
-
IAD
1h 35mnonstop
United Airlines Logo
5:20 pm - 7:05 pm
IAD
-
DAY
1h 45mnonstop
$236United Airlines
Tue, Dec 30 - Fri, Jan 2
United Airlines Logo
9:50 am - 11:31 am
DAY
-
IAD
1h 41mnonstop
United Airlines Logo
12:35 pm - 2:17 pm
IAD
-
DAY
1h 42mnonstop
$249United Airlines
Fri, Jan 9 - Tue, Jan 13
United Airlines Logo
9:50 am - 11:31 am
DAY
-
IAD
1h 41mnonstop
United Airlines Logo
12:35 pm - 2:17 pm
IAD
-
DAY
1h 42mnonstop
$250United Airlines
Thu, Jan 8 - Sun, Jan 11
United Airlines Logo
10:38 am - 12:07 pm
DAY
-
IAD
1h 29mnonstop
United Airlines Logo
8:15 am - 10:01 am
IAD
-
DAY
1h 46mnonstop
$264United Airlines
Sat, Jan 3 - Tue, Jan 6
United Airlines Logo
2:51 pm - 4:26 pm
DAY
-
IAD
1h 35mnonstop
United Airlines Logo
5:20 pm - 7:05 pm
IAD
-
DAY
1h 45mnonstop
$266United Airlines
Tue, Dec 30 - Fri, Jan 2

United Airlines flights from Dayton to Washington, D.C. Dulles Intl Airport

Our best United Airlines deals on Dayton to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines
Jan 16
DAY9:50 amDayton
1h 41m
IAD11:31 amWashington, D.C. Dulles Intl
Jan 24
IAD12:35 pmWashington, D.C. Dulles Intl
1h 42m
DAY2:17 pmDayton
$189
Find similar
United Airlines
Jan 4
DAY7:50 pmDayton
1h 35m
IAD9:25 pmWashington, D.C. Dulles Intl
Jan 17
IAD5:48 pmWashington, D.C. Dulles Intl
1h 49m
DAY7:37 pmDayton
$204
Find similar
United Airlines
Dec 25
DAY2:51 pmDayton
1h 35m
IAD4:26 pmWashington, D.C. Dulles Intl
Jan 10
IAD12:35 pmWashington, D.C. Dulles Intl
1h 42m
DAY2:17 pmDayton
$212
Find similar

Delta flights from Dayton to Washington, D.C. Dulles Intl Airport

Our best Delta deals on Dayton to Washington, D.C. Dulles Intl Airport flight tickets
Delta
Jan 14
DAY6:47 pmDayton
4h 50m
1 stop
IAD11:37 pmWashington, D.C. Dulles Intl
Jan 18
IAD9:00 amWashington, D.C. Dulles Intl
5h 57m
1 stop
DAY2:57 pmDayton
$209
Find similar
Delta
Jan 8
DAY6:47 pmDayton
4h 50m
1 stop
IAD11:37 pmWashington, D.C. Dulles Intl
Jan 18
IAD9:00 amWashington, D.C. Dulles Intl
5h 57m
1 stop
DAY2:57 pmDayton
$224
Find similar
Delta
Jan 16
DAY6:47 pmDayton
4h 50m
1 stop
IAD11:37 pmWashington, D.C. Dulles Intl
Jan 19
IAD6:00 amWashington, D.C. Dulles Intl
4h 50m
1 stop
DAY10:50 amDayton
$284
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Dayton to Washington, D.C. Dulles Intl Airport 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, momondo users made 832,500 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Dayton to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DaytonWashington, D.C.

DAY - IAD

DAYIAD

Dayton

Fri 1/16

9:50 am-11:31 am

Nonstop1h 41m

Washington, D.C. Dulles Intl

Sat 1/17

5:48 pm-7:37 pm

Nonstop1h 49m

$189

DaytonWashington, D.C.

DAY - IAD

DAYIAD

Dayton

Sun 1/4

7:50 pm-9:25 pm

Nonstop1h 35m

Washington, D.C. Dulles Intl

Sat 1/17

5:48 pm-7:37 pm

Nonstop1h 49m

$204

DaytonWashington, D.C.

DAY - IAD

DAYIAD

Dayton

Wed 1/14

6:47 pm-11:37 pm

1 stop4h 50m

Washington, D.C. Dulles Intl

Sun 1/18

9:00 am-2:57 pm

1 stop5h 57m

$209

DaytonWashington, D.C.

DAY - IAD

DAYIAD

Dayton

Wed 12/31

7:50 pm-9:25 pm

Nonstop1h 35m

Washington, D.C. Dulles Intl

Sun 1/4

12:35 pm-2:16 pm

Nonstop1h 41m

$219

DaytonWashington, D.C.

DAY - IAD

DAYIAD

Dayton

Thu 1/8

6:47 pm-11:37 pm

1 stop4h 50m

Washington, D.C. Dulles Intl

Sun 1/18

9:00 am-2:57 pm

1 stop5h 57m

$224

DaytonWashington, D.C.

DAY - IAD

DAYIAD

Dayton

Tue 12/30

7:50 pm-9:25 pm

Nonstop1h 35m

Washington, D.C. Dulles Intl

Fri 1/2

5:20 pm-7:05 pm

Nonstop1h 45m

$236

DaytonWashington, D.C.

DAY - IAD

DAYIAD

Dayton

Fri 1/9

9:50 am-11:31 am

Nonstop1h 41m

Washington, D.C. Dulles Intl

Tue 1/13

12:35 pm-2:17 pm

Nonstop1h 42m

$249

DaytonWashington, D.C.

DAY - IAD

DAYIAD

Dayton

Thu 1/8

9:50 am-11:31 am

Nonstop1h 41m

Washington, D.C. Dulles Intl

Sun 1/11

12:35 pm-2:17 pm

Nonstop1h 42m

$250

DaytonWashington, D.C.

DAY - IAD

DAYIAD

Dayton

Sat 1/3

10:38 am-12:07 pm

Nonstop1h 29m

Washington, D.C. Dulles Intl

Tue 1/6

8:15 am-10:01 am

Nonstop1h 46m

$264

DaytonWashington, D.C.

DAY - IAD

DAYIAD

Dayton

Tue 12/30

2:51 pm-4:26 pm

Nonstop1h 35m

Washington, D.C. Dulles Intl

Fri 1/2

5:20 pm-7:05 pm

Nonstop1h 45m

$266

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Dayton to Washington, D.C. Dulles Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Dayton and Washington, D.C. Dulles Intl Airport?

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

In general, May is the cheapest month to fly from Dayton to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $261. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of May, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $279.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Friday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $458. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Dayton to Washington, D.C. Dulles Intl Airport for around $884.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from Dayton in the morning is the least expensive time of day to depart. momondo users have found prices as low as $398 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $955 on average. Flights to Washington, D.C. Dulles Intl Airport from Dayton at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Dayton to Washington, D.C. Dulles Intl flight route?

Fly from Dayton to Washington, D.C. Dulles Intl for the best Dayton - Washington, D.C. Dulles Intl flight prices

What cabin class options are available on Dayton to Washington, D.C. Dulles Intl flights?

There are 4 cabin classes available to choose from on Dayton to Washington, D.C. Dulles Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Dayton to Washington, D.C. Dulles Intl Airport flights?

You could potentially save up to 52% on your flight if you consider stops on a Dayton to Washington, D.C. Dulles Intl Airport flight.

How have Dayton to Washington, D.C. Dulles Intl Airport flight prices changed over time?

As of December 2025, prices for Dayton to Washington, D.C. Dulles Intl Airport flights are approximately 223% more expensive when compared to flights at the same time last year.

When to book flights from Dayton to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Dayton to Washington, D.C. Dulles Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Dayton to Washington, D.C. Dulles Intl Airport (DAY to IAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Dayton to Washington, D.C. Dulles Intl Airport

Best Price Found

$238

Fastest flight time

1h 33m

Direct flights

Every day
The best one-way flight to Washington, D.C. Dulles Intl Airport from Dayton in the past 72 hours is $238. The best round-trip flight deal from Dayton to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $299.
The fastest flight from Dayton to Washington, D.C. Dulles Intl Airport takes 1h 33m
Direct flights go from Dayton to Washington, D.C. Dulles Intl Airport every day.
Search flight deals

  • How far is Dayton to Washington, D.C. Dulles Intl by plane?

    There are 364.2 mi between Dayton and Washington, D.C. Dulles Intl. By plane, this route typically takes 1h 33m.

  • When did momondo last update prices for flights from Dayton Airport to Washington, D.C. Dulles Intl Airport?

    Prices for flights from Dayton Airport to Washington, D.C. Dulles Intl Airport are updated daily.

  • How many operators does momondo search for flights from Dayton Airport to Washington, D.C. Dulles Intl Airport?

  • How old do you have to be to fly from Dayton Airport to Washington, D.C. Dulles Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Dayton Airport to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The necessary travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Dayton to Washington, D.C. Dulles Intl Airport?

  • What is the most popular airline from Dayton to Washington, D.C. Dulles Intl Airport?

Best airlines flying from Dayton to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Dayton to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $189Free CancellationRating
7.4
9,091 reviews
Search United Airlines flights

  • United Airlines Flights From Dayton to Washington, D.C. Dulles Intl Airport

    The lowest priced United Airlines flight from Dayton to Washington, D.C. Dulles Intl Airport from the last 72 hours was $189. Generally, United Airlines has 6 flights on this route every week with an average price of $308. United Airlines is rated 7.4/10 by our users.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Winchester
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Harpers Ferry
Rockville
Gaithersburg
Reston
Manassas
Sterling
Fairfax

Why use momondo?

Why should I use momondo to find a flight deal from Dayton to Washington, D.C.?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Dayton to Washington, D.C. for you.

Can I find flights from Dayton to Washington, D.C. with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Washington, D.C. from Dayton with this policy.

How can momondo help me find flights from Dayton to Washington, D.C.?

Once you have performed a search for Dayton to Washington, D.C. flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Dayton to Washington, D.C. right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Dayton to Washington, D.C. flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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