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$204+ Cheap flights from Dulles Intl (IAD) to Harrisburg (MDT)

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 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — MDT
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Dulles Intl to Harrisburg

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Harrisburg (MDT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 15, 2025.

Round-trip from

$224
(United Airlines)

One-way from

$204
(United Airlines)
From Washington, D.C. Dulles Intl to Harrisburg
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One-way flight from Washington, D.C. Dulles Intl to Harrisburg
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Find flight deals from Dulles Intl to Harrisburg

Cheapest flights from Dulles Intl to Harrisburg
Explore the most affordable flight options available from Dulles Intl to Harrisburg. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This United Airlines deal was found by Cheapflights users on 9/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/48:30 amIAD - MDT
Nonstop1h 00mUnited Airlines
Sun 12/76:15 amMDT - IAD
Nonstop1h 03mUnited Airlines
Deal found 9/13$224
This United Airlines deal was found by Cheapflights users on 9/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/228:30 amIAD - MDT
Nonstop0h 59mUnited Airlines
Sat 10/252:33 pmMDT - IAD
Nonstop1h 02mUnited Airlines
Deal found 9/13$239
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1212:50 pmIAD - MDT
Nonstop1h 04mUnited Airlines
Fri 10/246:15 amMDT - IAD
Nonstop1h 02mUnited Airlines
Deal found 9/15$254
This American Airlines deal was found by Cheapflights users on 9/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/105:29 pmIAD - MDT
1 stop6h 21mAmerican Airlines
Sat 12/136:43 amMDT - IAD
1 stop6h 37mAmerican Airlines
Deal found 9/14$259
This American Airlines deal was found by Cheapflights users on 9/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/48:05 pmIAD - MDT
1 stop4h 13mAmerican Airlines
Sun 12/75:00 amMDT - IAD
1 stop3h 44mAmerican Airlines
Deal found 9/13$264
This United Airlines deal was found by Cheapflights users on 9/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/155:55 pmIAD - MDT
Nonstop1h 03mUnited Airlines
Mon 9/226:15 amMDT - IAD
Nonstop1h 01mUnited Airlines
Deal found 9/14$301
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/308:30 amIAD - MDT
Nonstop0h 59mUnited Airlines
Sat 10/46:15 amMDT - IAD
Nonstop1h 02mUnited Airlines
Deal found 9/15$333
This American Airlines deal was found by Cheapflights users on 9/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/228:09 amIAD - MDT
1 stop6h 09mAmerican Airlines
Sat 10/255:27 pmMDT - IAD
1 stop6h 26mAmerican Airlines
Deal found 9/13$394
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/278:35 amIAD - MDT
Nonstop1h 00mUnited Airlines
Thu 10/3010:25 amMDT - IAD
Nonstop0h 59mUnited Airlines
Deal found 9/15$413

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Harrisburg 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 15, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Harrisburg that are best for you.

Fly from

Dulles Intl

Fly to

Harrisburg

Route

Depart

Return

Price

Washington, D.C.Harrisburg

IAD - MDT

IADMDT

Washington, D.C. Dulles Intl

Thu 12/4

8:30 am-9:30 am

Nonstop1h 00m

Harrisburg

Sun 12/7

6:15 am-7:18 am

Nonstop1h 03m

$224

Washington, D.C.Harrisburg

IAD - MDT

IADMDT

Washington, D.C. Dulles Intl

Wed 10/22

8:30 am-9:29 am

Nonstop0h 59m

Harrisburg

Sat 10/25

10:25 am-11:27 am

Nonstop1h 02m

$239

Washington, D.C.Harrisburg

IAD - MDT

IADMDT

Washington, D.C. Dulles Intl

Wed 12/10

8:30 am-9:30 am

Nonstop1h 00m

Harrisburg

Sat 12/13

3:00 pm-4:00 pm

Nonstop1h 00m

$239

Washington, D.C.Harrisburg

IAD - MDT

IADMDT

Washington, D.C. Dulles Intl

Sun 10/12

8:30 am-9:29 am

Nonstop0h 59m

Harrisburg

Fri 10/24

6:15 am-7:17 am

Nonstop1h 02m

$254

Washington, D.C.Harrisburg

IAD - MDT

IADMDT

Washington, D.C. Dulles Intl

Thu 12/4

8:05 pm-12:18 am

1 stop4h 13m

Harrisburg

Sun 12/7

5:00 am-8:44 am

1 stop3h 44m

$264

Washington, D.C.Harrisburg

IAD - MDT

IADMDT

Washington, D.C. Dulles Intl

Tue 9/30

8:30 am-9:29 am

Nonstop0h 59m

Harrisburg

Sat 10/4

6:15 am-7:17 am

Nonstop1h 02m

$333

Washington, D.C.Harrisburg

IAD - MDT

IADMDT

Washington, D.C. Dulles Intl

Wed 10/22

2:18 pm-8:45 pm

1 stop6h 27m

Harrisburg

Sat 10/25

5:27 pm-11:53 pm

1 stop6h 26m

$394

Washington, D.C.Harrisburg

IAD - MDT

IADMDT

Washington, D.C. Dulles Intl

Tue 11/18

12:55 pm-1:58 pm

Nonstop1h 03m

$204

Washington, D.C.Harrisburg

IAD - MDT

IADMDT

Washington, D.C. Dulles Intl

Tue 11/18

5:29 pm-11:53 pm

1 stop6h 24m

$214

Washington, D.C.Harrisburg

IAD - MDT

IADMDT

Washington, D.C. Dulles Intl

Sat 11/22

12:55 pm-1:58 pm

Nonstop1h 03m

$219

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 15 results
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Best time to book a flight from Dulles Intl to Harrisburg

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

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

Find hourly flight availability from Dulles Intl to Harrisburg. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2025.

It’s optimal to fly from Washington, D.C. Dulles Intl Airport to Harrisburg at noon. By choosing this option you can save up to 2% on the cost of your flight, compared to a flight in the morning.

Related info for your journey

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

  • What airport do you fly into for flights to Harrisburg from Washington, D.C. Dulles Intl?

    Most people fly into Harrisburg (MDT) if they book a flight to Harrisburg from Washington, D.C. Dulles Intl. On average, Harrisburg has 5 inbound flights from Washington, D.C. Dulles Intl per day from 0 airlines. Harrisburg is conveniently located just 8.5 mi from Harrisburg’s city center.

  • How long is the flight from Washington, D.C. Dulles Intl Airport to Harrisburg?

    Airlines like United Airlines fly from Washington, D.C. Dulles Intl Airport to Harrisburg in about 1h. The time it takes to get you to your destination is usually consistent. Airlines will cover a distance of 93 mi. Generally, flights for this route are nonstop.

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

    Consider GoJet (100%), United Airlines (81%) or Avianca (80%) when booking your flight. These represent the most reliable airlines when flying from Washington, D.C. Dulles Intl Airport to Harrisburg.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Harrisburg (average of $347). Flying from Washington, D.C. Dulles Intl Airport to Harrisburg in November is currently the most expensive (average of $408). 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 Harrisburg?

Book flights to Harrisburg if you plan to visit one of these locations
Carlisle
Mechanicsburg
Hershey
Camp Hill

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Alternative routes for Dulles Intl to Harrisburg

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