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$127+ Cheap flights from Washington 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 10/30. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MDT
Aug 21 — Aug 281
Thu 8/21
Thu 8/28
1 adult, Economy
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Cheap flight deals from Washington to Harrisburg

Keep the following information in mind while searching for Washington to Harrisburg flight deals. Data was last updated August 16, 2025.

Round-trip from

$286
(American Airlines)

One-way from

$127
(Frontier)

Popular in

March

Cheapest in

April

Average price

$497
From Washington to Harrisburg
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One-way flight from Washington to Harrisburg
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Highest demand for flights based on searches. 1% potential increase in price ($9 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Washington to Harrisburg

Cheapest flights from Washington to Harrisburg
Explore the most affordable flight options available from Washington to Harrisburg. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 16, 2025.

This Delta deal was found by Cheapflights users on 8/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/126:00 amSEA - MDT
1 stop7h 09mDelta
Mon 11/245:58 pmMDT - SEA
1 stop9h 16mDelta
Deal found 8/15$268
This American Airlines deal was found by Cheapflights users on 8/14. 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 10/110:09 amSEA - MDT
1 stop10h 03mAmerican Airlines
Sun 10/56:23 amMDT - SEA
1 stop11h 27mAmerican Airlines
Deal found 8/14$286
This American Airlines deal was found by Cheapflights users on 8/14. 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.
Tue 9/911:05 pmSEA - MDT
1 stop9h 50mAmerican Airlines
Wed 9/104:45 pmMDT - SEA
1 stop8h 19mAmerican Airlines
Deal found 8/14$287
This American Airlines deal was found by Cheapflights users on 8/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/169:56 pmPDX - MDT
1 stop9h 17mAmerican Airlines
Tue 9/236:23 amMDT - PDX
1 stop9h 27mAmerican Airlines
Deal found 8/15$309
This Delta deal was found by Cheapflights users on 8/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1611:30 amPDX - MDT
1 stop8h 31mDelta
Tue 9/235:00 pmMDT - PDX
2 stops9h 52mDelta
Deal found 8/15$314
This American Airlines deal was found by Cheapflights users on 8/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2111:20 pmSEA - MDT
1 stop8h 23mAmerican Airlines
Sun 11/234:36 pmMDT - SEA
1 stop9h 42mAmerican Airlines
Deal found 8/15$323
This United Airlines deal was found by Cheapflights users on 8/14. 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.
Thu 9/1110:55 pmSEA - MDT
1 stop7h 38mUnited Airlines
Thu 9/186:45 amMDT - SEA
1 stop7h 46mUnited Airlines
Deal found 8/14$335
This United Airlines deal was found by Cheapflights users on 8/15. 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 9/911:54 pmSEA - MDT
2 stops10h 54mUnited Airlines
Sat 9/132:24 pmMDT - SEA
1 stop9h 18mUnited Airlines
Deal found 8/15$349
This American Airlines deal was found by Cheapflights users on 8/13. 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.
Sat 10/411:42 amPDX - MDT
1 stop8h 30mAmerican Airlines
Tue 10/73:07 pmMDT - PDX
1 stop8h 10mAmerican Airlines
Deal found 8/13$349
This American Airlines deal was found by Cheapflights users on 8/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/911:05 pmSEA - MDT
1 stop9h 50mAmerican Airlines
Sat 9/136:23 amMDT - SEA
1 stop11h 25mAmerican Airlines
Deal found 8/15$352
This American Airlines deal was found by Cheapflights users on 8/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1912:59 amSEA - MDT
1 stop7h 13mAmerican Airlines
Mon 11/245:00 amMDT - SEA
1 stop10h 53mAmerican Airlines
Deal found 8/15$357
This American Airlines deal was found by Cheapflights users on 8/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1410:07 pmSEA - MDT
1 stop7h 46mAmerican Airlines
Sun 11/164:36 pmMDT - SEA
1 stop9h 42mAmerican Airlines
Deal found 8/15$359

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington 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 August 16, 2025.
Use the filters below to find and compare flights from Washington to Harrisburg that are best for you.

Fly from

Washington

Fly to

Harrisburg

Route

Depart

Return

Price

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Wed 11/12

6:00 am-4:09 pm

1 stop7h 09m

Harrisburg

Mon 11/24

5:58 pm-12:14 am

1 stop9h 16m

$268

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Wed 10/1

10:09 am-11:12 pm

1 stop10h 03m

Harrisburg

Sun 10/5

6:23 am-2:50 pm

1 stop11h 27m

$286

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Tue 10/28

11:49 pm-10:56 am

1 stop8h 07m

Harrisburg

Wed 11/5

6:20 am-1:10 pm

1 stop9h 50m

$287

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Wed 11/5

11:43 am-11:00 pm

1 stop8h 17m

Harrisburg

Tue 11/11

5:58 pm-12:14 am

1 stop9h 16m

$287

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Tue 9/9

11:05 pm-11:55 am

1 stop9h 50m

Harrisburg

Wed 9/10

4:45 pm-10:04 pm

1 stop8h 19m

$287

PortlandHarrisburg

PDX - MDT

PDXMDT

Portland

Sat 10/4

10:05 pm-10:56 am

1 stop9h 51m

Harrisburg

Sat 10/25

6:10 am-10:29 am

1 stop7h 19m

$309

PortlandHarrisburg

PDX - MDT

PDXMDT

Portland

Tue 9/16

9:56 pm-10:13 am

1 stop9h 17m

Harrisburg

Tue 9/23

6:23 am-12:50 pm

1 stop9h 27m

$309

PortlandHarrisburg

PDX - MDT

PDXMDT

Portland

Wed 9/17

6:27 pm-9:33 am

2 stops12h 06m

Harrisburg

Sun 9/21

6:45 am-11:49 am

1 stop8h 04m

$314

PortlandHarrisburg

PDX - MDT

PDXMDT

Portland

Sat 10/4

10:05 pm-10:56 am

1 stop9h 51m

Harrisburg

Tue 10/7

6:00 am-5:10 pm

2 stops14h 10m

$314

PortlandHarrisburg

PDX - MDT

PDXMDT

Portland

Tue 9/16

11:30 am-11:01 pm

1 stop8h 31m

Harrisburg

Tue 9/23

5:00 pm-11:52 pm

2 stops9h 52m

$314

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 42 results
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Best time to book a flight from Washington to Harrisburg

Have a flexible travel schedule? Discover the best time to fly to Harrisburg from Washington 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 to Harrisburg

What is the cheapest month to book a flight from State of Washington to Harrisburg?

Currently, January is the cheapest month in which you can book a flight from State of Washington to Harrisburg (average of $355). Flying from State of Washington 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.

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

Find hourly flight availability from Washington 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 August 16, 2025.

When flying from State of Washington to Harrisburg, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

Find useful and relevant information for your journey from Washington 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?

    Located just 8.5 mi from the city center, Harrisburg (MDT) is the airport most travelers will use when flying to Harrisburg from Washington.

  • What are the cheapest airlines to fly from State of Washington to Harrisburg one-way?

    The cheapest airlines for a one-way flight from State of Washington to Harrisburg are Frontier ($127), American Airlines ($144), and United Airlines ($149).

  • What are the most popular routes from State of Washington to Harrisburg?

    When deciding which route to take from State of Washington to Harrisburg consider Seattle/Tacoma Intl - Harrisburg, Portland - Harrisburg or Pasco Tri Cities - Harrisburg as they are the most popular.

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

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

  • How can I find direct flights from Washington to Harrisburg?

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

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

    Yes. Cheapflights offers flight deals from Washington 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 State of Washington to Harrisburg?

    Currently, January is the cheapest month in which you can book a flight from State of Washington to Harrisburg (average of $355). Flying from State of Washington 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
Hershey
Mechanicsburg
Camp Hill

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Alternative routes for Washington to Harrisburg

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Washington to Harrisburg

Discover the top 4 airlines that operate flights from Washington to Harrisburg. 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 August 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$226Average$471FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$286Average$444FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$319Average$592FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$539Average$638FlexibilityNo cancel feeOn-time75%

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