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Cheap flights from Harrisburg to Washington, D.C. from $169

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Harrisburg to Washington, D.C. departing on 9/21. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
10:30 am - 11:28 am
MDT
-
IAD
0h 58mnonstop
United Airlines Logo
12:59 pm - 2:03 pm
IAD
-
MDT
1h 04mnonstop
$239United Airlines
Sun, Aug 9 - Sun, Aug 16
American Airlines Logo
2:45 pm - 8:56 pm
MDT
-
IAD
6h 11m
1 stop
American Airlines Logo
5:08 am - 9:02 am
IAD
-
MDT
3h 54m
1 stop
$259American Airlines
Thu, Aug 6 - Sun, Aug 9
Multiple Airlines Logo
9:12 pm - 11:20 am
MDT
-
IAD
14h 08m
2 stops
Multiple Airlines Logo
3:27 pm - 10:47 am
IAD
-
MDT
19h 20m
1 stop
$292Multiple Airlines
Sun, Aug 9 - Sun, Aug 16
Multiple Airlines Logo
9:12 pm - 11:20 am
MDT
-
IAD
14h 08m
2 stops
Multiple Airlines Logo
3:27 pm - 10:47 am
IAD
-
MDT
19h 20m
1 stop
$298Multiple Airlines
Sun, Aug 9 - Sun, Aug 16
United Airlines Logo
2:52 pm - 3:50 pm
MDT
-
IAD
0h 58mnonstop
United Airlines Logo
10:30 pm - 11:30 pm
IAD
-
MDT
1h 00mnonstop
$309United Airlines
Wed, Aug 5 - Tue, Aug 11
United Airlines Logo
6:15 am - 7:13 am
MDT
-
IAD
0h 58mnonstop
United Airlines Logo
10:26 pm - 11:30 pm
IAD
-
MDT
1h 04mnonstop
$324United Airlines
Thu, Jul 30 - Sun, Aug 2
Multiple Airlines Logo
9:12 pm - 10:25 am
MDT
-
IAD
13h 13m
1 stop
Multiple Airlines Logo
3:27 pm - 10:47 am
IAD
-
MDT
19h 20m
1 stop
$327Multiple Airlines
Sun, Aug 9 - Sun, Aug 16
Multiple Airlines Logo
9:12 pm - 10:25 am
MDT
-
IAD
13h 13m
1 stop
Multiple Airlines Logo
3:27 pm - 10:47 am
IAD
-
MDT
19h 20m
1 stop
$334Multiple Airlines
Sun, Aug 9 - Sun, Aug 16
United Airlines Logo
7:59 pm - 8:57 pm
MDT
-
IAD
0h 58mnonstop
United Airlines Logo
5:35 pm - 6:44 pm
IAD
-
MDT
1h 09mnonstop
$339United Airlines
Sat, Jul 25 - Wed, Jul 29
American Airlines Logo
11:17 am - 5:31 pm
MDT
-
IAD
6h 14m
1 stop
American Airlines Logo
6:14 am - 10:17 am
IAD
-
MDT
4h 03m
1 stop
$347American Airlines
Wed, Sep 16 - Thu, Sep 17

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

Our best American Airlines deals on Harrisburg to Washington, D.C. Dulles Intl Airport flight tickets
American Airlines
Aug 6
MDT2:45 pmHarrisburg
6h 11m
1 stop
IAD8:56 pmWashington, D.C. Dulles Intl
Aug 9
IAD5:08 amWashington, D.C. Dulles Intl
3h 54m
1 stop
MDT9:02 amHarrisburg
$259
American Airlines
Sep 16
MDT11:17 amHarrisburg
6h 14m
1 stop
IAD5:31 pmWashington, D.C. Dulles Intl
Sep 17
IAD6:14 amWashington, D.C. Dulles Intl
4h 03m
1 stop
MDT10:17 amHarrisburg
$347
American Airlines
Aug 2
MDT5:00 amHarrisburg
4h 06m
1 stop
IAD9:06 amWashington, D.C. Dulles Intl
Aug 9
IAD5:08 amWashington, D.C. Dulles Intl
3h 54m
1 stop
MDT9:02 amHarrisburg
$373

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

Our best United Airlines deals on Harrisburg to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines
Aug 9
MDT10:30 amHarrisburg
0h 58m
IAD11:28 amWashington, D.C. Dulles Intl
Aug 16
IAD12:59 pmWashington, D.C. Dulles Intl
1h 04m
MDT2:03 pmHarrisburg
$239
United Airlines
Aug 5
MDT2:52 pmHarrisburg
0h 58m
IAD3:50 pmWashington, D.C. Dulles Intl
Aug 11
IAD10:30 pmWashington, D.C. Dulles Intl
1h 00m
MDT11:30 pmHarrisburg
$309
United Airlines
Jul 30
MDT6:15 amHarrisburg
0h 58m
IAD7:13 amWashington, D.C. Dulles Intl
Aug 2
IAD10:26 pmWashington, D.C. Dulles Intl
1h 04m
MDT11:30 pmHarrisburg
$324

momondo Fare Finder

 
Customize your flight search to find flights from Harrisburg 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 July 15, 2026.
Use the filters below to find and compare flights from Harrisburg to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HarrisburgWashington, D.C.

MDT - IAD

MDTIAD

Harrisburg

Sun 8/9

10:30 am-11:28 am

Nonstop0h 58m

Washington, D.C. Dulles Intl

Sun 8/16

12:59 pm-2:03 pm

Nonstop1h 04m

$239

HarrisburgWashington, D.C.

MDT - IAD

MDTIAD

Harrisburg

Thu 8/6

2:45 pm-8:56 pm

1 stop6h 11m

Washington, D.C. Dulles Intl

Sun 8/9

5:08 am-9:02 am

1 stop3h 54m

$259

HarrisburgWashington, D.C.

MDT - IAD

MDTIAD

Harrisburg

Sun 8/9

9:12 pm-11:20 am

2 stops14h 08m

Washington, D.C. Dulles Intl

Sun 8/16

3:27 pm-10:47 am

1 stop19h 20m

$292

HarrisburgWashington, D.C.

MDT - IAD

MDTIAD

Harrisburg

Sun 8/9

9:12 pm-11:20 am

2 stops14h 08m

Washington, D.C. Dulles Intl

Sun 8/16

3:27 pm-10:47 am

1 stop19h 20m

$298
Quickest round-trip

HarrisburgWashington, D.C.

MDT - IAD

MDTIAD

Harrisburg

Wed 8/5

2:52 pm-3:50 pm

Nonstop0h 58m

Washington, D.C. Dulles Intl

Tue 8/11

10:30 pm-11:30 pm

Nonstop1h 00m

$309

HarrisburgWashington, D.C.

MDT - IAD

MDTIAD

Harrisburg

Thu 7/30

6:15 am-7:13 am

Nonstop0h 58m

Washington, D.C. Dulles Intl

Sun 8/2

10:26 pm-11:30 pm

Nonstop1h 04m

$324

HarrisburgWashington, D.C.

MDT - IAD

MDTIAD

Harrisburg

Sun 8/9

9:12 pm-10:25 am

1 stop13h 13m

Washington, D.C. Dulles Intl

Sun 8/16

3:27 pm-10:47 am

1 stop19h 20m

$327

HarrisburgWashington, D.C.

MDT - IAD

MDTIAD

Harrisburg

Sun 8/9

9:12 pm-10:25 am

1 stop13h 13m

Washington, D.C. Dulles Intl

Sun 8/16

3:27 pm-10:47 am

1 stop19h 20m

$334

HarrisburgWashington, D.C.

MDT - IAD

MDTIAD

Harrisburg

Sat 7/25

7:59 pm-8:57 pm

Nonstop0h 58m

Washington, D.C. Dulles Intl

Wed 7/29

5:35 pm-6:44 pm

Nonstop1h 09m

$339

HarrisburgWashington, D.C.

MDT - IAD

MDTIAD

Harrisburg

Wed 9/16

11:17 am-5:31 pm

1 stop6h 14m

Washington, D.C. Dulles Intl

Thu 9/17

6:14 am-10:17 am

1 stop4h 03m

$347

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 Harrisburg 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 day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Thursday 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 $479. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Harrisburg to Washington, D.C. Dulles Intl Airport for around $738.

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 Harrisburg in the morning is the least expensive time of day to depart. momondo users have found prices as low as $468 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $852 on average. Flights to Washington, D.C. Dulles Intl Airport from Harrisburg in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

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

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

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

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

Are you open to changing your travel dates? Check out the ideal times to fly from Harrisburg 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 Harrisburg to Washington, D.C. Dulles Intl Airport (MDT to IAD) flight deals and tips

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

Best Price Found

$411

Fastest flight time

0h 58m

Direct flights

Every day
The best one-way flight to Washington, D.C. Dulles Intl Airport from Harrisburg in the past 72 hours is $411. The best round-trip flight deal from Harrisburg to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $488.
The fastest flight from Harrisburg to Washington, D.C. Dulles Intl Airport takes 0h 58m
Direct flights go from Harrisburg to Washington, D.C. Dulles Intl Airport every day.
Search flight deals

Frequently asked questions about flying from Harrisburg to Washington, D.C. Dulles Intl Airport

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

    Harrisburg and Washington, D.C. Dulles Intl are 96.3 mi apart from one another. Typically, this will take 0h 58m by plane in normal conditions.

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

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

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

  • How old do you have to be to fly from Harrisburg 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 Harrisburg 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 travel and health documents you'll need for your trip to Washington, D.C. Dulles Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

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

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

Compare and see reviews for airlines that fly from Harrisburg to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $179Free CancellationRating
7.4
9,988 reviews
Search United Airlines flights

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

    Across 26 United Airlines flights from Harrisburg to Washington, D.C. Dulles Intl Airport this week, the average price was $255, with the best United Airlines deals starting from $179 round-trip. 9,988 users have rated United Airlines on momondo, with an average score of 7.4/10.

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
Arlington
Gettysburg
Winchester
Waldorf
Laurel
Woodbridge
Fredericksburg
Gaithersburg
Linthicum Heights
Rockville
Towson
Manassas
Silver Spring
Colonial Beach
Sterling
Springfield
Tysons
Fairfax

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Washington, D.C. from Harrisburg.

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

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

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington, D.C. from Harrisburg.

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

Yes. momondo can track prices for Harrisburg 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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