Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Dayton to Washington, D.C. from $139

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 5/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Dayton to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
2:57 pm - 4:30 pm
DAY
-
IAD
1h 33mnonstop
United Airlines Logo
8:22 am - 10:00 am
IAD
-
DAY
1h 38mnonstop
$189United Airlines
Tue, Mar 24 - Sun, Mar 29
United Airlines Logo
7:33 pm - 9:10 pm
DAY
-
IAD
1h 37mnonstop
United Airlines Logo
8:22 am - 10:00 am
IAD
-
DAY
1h 38mnonstop
$198United Airlines
Wed, Apr 1 - Mon, Apr 6
United Airlines Logo
9:45 am - 11:23 am
DAY
-
IAD
1h 38mnonstop
United Airlines Logo
5:50 pm - 7:38 pm
IAD
-
DAY
1h 48mnonstop
$204United Airlines
Tue, Mar 3 - Tue, Mar 10
Delta Logo
6:34 pm - 12:27 am
DAY
-
IAD
5h 53m
1 stop
Delta Logo
6:00 am - 10:43 am
IAD
-
DAY
4h 43m
1 stop
$209Delta
Wed, Apr 8 - Tue, Apr 14
United Airlines Logo
2:50 pm - 4:25 pm
DAY
-
IAD
1h 35mnonstop
United Airlines Logo
12:37 pm - 2:15 pm
IAD
-
DAY
1h 38mnonstop
$214United Airlines
Sat, Apr 11 - Sun, Apr 12
United Airlines Logo
9:45 am - 11:23 am
DAY
-
IAD
1h 38mnonstop
United Airlines Logo
5:50 pm - 7:38 pm
IAD
-
DAY
1h 48mnonstop
$219United Airlines
Fri, Feb 27 - Sat, Feb 28
Delta Logo
2:39 pm - 8:45 pm
DAY
-
IAD
6h 06m
1 stop
Delta Logo
3:35 pm - 10:48 pm
IAD
-
DAY
7h 13m
1 stop
$224Delta
Tue, Mar 3 - Tue, Mar 10
Delta Logo
6:44 pm - 12:21 am
DAY
-
IAD
5h 37m
1 stop
Delta Logo
6:00 am - 10:55 am
IAD
-
DAY
4h 55m
1 stop
$239Delta
Fri, Feb 27 - Sat, Feb 28
United Airlines Logo
2:57 pm - 4:30 pm
DAY
-
IAD
1h 33mnonstop
United Airlines Logo
5:50 pm - 7:38 pm
IAD
-
DAY
1h 48mnonstop
$242United Airlines
Wed, Mar 4 - Sun, Mar 8
United Airlines Logo
9:45 am - 11:23 am
DAY
-
IAD
1h 38mnonstop
United Airlines Logo
5:50 pm - 7:38 pm
IAD
-
DAY
1h 48mnonstop
$244United Airlines
Thu, Mar 5 - Sun, Mar 8

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

Our best American Airlines deals on Dayton to Washington, D.C. Dulles Intl Airport flight tickets
American Airlines
Mar 4
DAY7:20 amDayton
7h 19m
1 stop
IAD2:39 pmWashington, D.C. Dulles Intl
Mar 9
IAD4:46 pmWashington, D.C. Dulles Intl
5h 13m
1 stop
DAY9:59 pmDayton
$343
American Airlines
Feb 28
DAY1:54 pmDayton
6h 36m
1 stop
IAD8:30 pmWashington, D.C. Dulles Intl
Mar 14
IAD9:19 amWashington, D.C. Dulles Intl
4h 05m
1 stop
DAY1:24 pmDayton
$349
American Airlines
Jul 26
DAY5:51 pmDayton
4h 07m
1 stop
IAD9:58 pmWashington, D.C. Dulles Intl
Aug 15
IAD5:20 pmWashington, D.C. Dulles Intl
4h 40m
1 stop
DAY10:00 pmDayton
$351

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
Apr 8
DAY6:34 pmDayton
5h 53m
1 stop
IAD12:27 amWashington, D.C. Dulles Intl
Apr 14
IAD6:00 amWashington, D.C. Dulles Intl
4h 43m
1 stop
DAY10:43 amDayton
$209
Delta
Jul 28
DAY6:40 pmDayton
5h 29m
1 stop
IAD12:09 amWashington, D.C. Dulles Intl
Aug 5
IAD6:00 amWashington, D.C. Dulles Intl
4h 25m
1 stop
DAY10:25 amDayton
$224
Delta
Mar 3
DAY2:39 pmDayton
6h 06m
1 stop
IAD8:45 pmWashington, D.C. Dulles Intl
Mar 7
IAD6:00 amWashington, D.C. Dulles Intl
4h 55m
1 stop
DAY10:55 amDayton
$239

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 February 17, 2026.
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

Tue 3/24

2:57 pm-4:30 pm

Nonstop1h 33m

Washington, D.C. Dulles Intl

Sun 3/29

8:22 am-10:00 am

Nonstop1h 38m

$189

DaytonWashington, D.C.

DAY - IAD

DAYIAD

Dayton

Wed 4/1

7:33 pm-9:10 pm

Nonstop1h 37m

Washington, D.C. Dulles Intl

Mon 4/6

8:22 am-10:00 am

Nonstop1h 38m

$198

DaytonWashington, D.C.

DAY - IAD

DAYIAD

Dayton

Tue 3/3

9:45 am-11:23 am

Nonstop1h 38m

Washington, D.C. Dulles Intl

Tue 3/10

5:50 pm-7:38 pm

Nonstop1h 48m

$204

DaytonWashington, D.C.

DAY - IAD

DAYIAD

Dayton

Wed 4/8

6:34 pm-12:27 am

1 stop5h 53m

Washington, D.C. Dulles Intl

Tue 4/14

6:00 am-10:43 am

1 stop4h 43m

$209

DaytonWashington, D.C.

DAY - IAD

DAYIAD

Dayton

Sat 4/11

2:50 pm-4:25 pm

Nonstop1h 35m

Washington, D.C. Dulles Intl

Sun 4/12

12:37 pm-2:15 pm

Nonstop1h 38m

$214

DaytonWashington, D.C.

DAY - IAD

DAYIAD

Dayton

Fri 2/27

9:45 am-11:23 am

Nonstop1h 38m

Washington, D.C. Dulles Intl

Sat 2/28

5:50 pm-7:38 pm

Nonstop1h 48m

$219

DaytonWashington, D.C.

DAY - IAD

DAYIAD

Dayton

Tue 3/3

2:39 pm-8:45 pm

1 stop6h 06m

Washington, D.C. Dulles Intl

Tue 3/10

3:35 pm-10:48 pm

1 stop7h 13m

$224

DaytonWashington, D.C.

DAY - IAD

DAYIAD

Dayton

Fri 2/27

6:44 pm-12:21 am

1 stop5h 37m

Washington, D.C. Dulles Intl

Sat 2/28

6:00 am-10:55 am

1 stop4h 55m

$239

DaytonWashington, D.C.

DAY - IAD

DAYIAD

Dayton

Wed 3/4

2:57 pm-4:30 pm

Nonstop1h 33m

Washington, D.C. Dulles Intl

Sun 3/8

5:50 pm-7:38 pm

Nonstop1h 48m

$242

DaytonWashington, D.C.

DAY - IAD

DAYIAD

Dayton

Thu 3/5

9:45 am-11:23 am

Nonstop1h 38m

Washington, D.C. Dulles Intl

Sun 3/8

5:50 pm-7:38 pm

Nonstop1h 48m

$244

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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

In general, January 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 $219. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $244.

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 $430. 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 $796.

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 $386 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 $908 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 February 2026, prices for Dayton to Washington, D.C. Dulles Intl Airport flights are approximately 245% 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

$213

Fastest flight time

1h 32m

Direct flights

Every day
The best one-way flight to Washington, D.C. Dulles Intl Airport from Dayton in the past 72 hours is $213. The best round-trip flight deal from Dayton to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $327.
The fastest flight from Dayton to Washington, D.C. Dulles Intl Airport takes 1h 32m
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 32m.

  • 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
9,312 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 11 flights on this route every week with an average price of $280. 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
Waldorf
Woodbridge
Laurel
Colonial Beach
Tysons
Silver Spring
Towson
Fredericksburg
Gaithersburg
Rockville
Manassas
Springfield
Sterling
Fairfax
Linthicum Heights

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.

An easier way to manage your Washington, D.C. Dulles Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 3/19
Thu 3/26
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Washington, D.C.