Washington

$130+ Cheap flights from Harrisburg (MDT) to Washington

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 12/13. Fares are subject to change and may not be available on all flights or dates of travel.
MDT — SEA
Dec 18 — Dec 251
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Cheap flight deals from Harrisburg to Washington

Keep the following information in mind while searching for Harrisburg to Washington flight deals. Data was last updated November 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$259
(American Airlines)

One-way from

$130
(American Airlines)

Popular in

December

Cheapest in

February

Average price

$541
Provider with most accurate pricing for Harrisburg-Seattle/Tacoma Intl flight deals.
Provider most trusted by Cheapflights users for Harrisburg-Seattle/Tacoma Intl flights.
From Harrisburg to Washington
One-way flight from Harrisburg to Washington
Highest demand for flights based on searches. 9% potential increase in price ($53 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($18 potential savings vs. average RT price).
Average for round-trip flights in November 2025

Find flight deals from Harrisburg to Washington

Cheapest flights from Harrisburg to Washington
Explore the most affordable flight options available from Harrisburg to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 18, 2025.

This American Airlines deal was found by Cheapflights users on 11/18. 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 12/66:19 amMDT - SEA
1 stop12h 05mAmerican Airlines
Sat 12/1310:59 pmSEA - MDT
1 stop8h 43mAmerican Airlines
Deal found 11/18$299
This Delta deal was found by Cheapflights users on 11/17. 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 12/95:00 pmMDT - PDX
1 stop8h 10mDelta
Sat 12/1310:10 pmPDX - MDT
1 stop9h 38mDelta
Deal found 11/17$309
This American Airlines deal was found by Cheapflights users on 11/18. 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 12/46:19 amMDT - SEA
1 stop9h 42mAmerican Airlines
Sun 12/712:38 amSEA - MDT
1 stop7h 41mAmerican Airlines
Deal found 11/18$339
This United Airlines deal was found by Cheapflights users on 11/18. 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 12/46:30 amMDT - SEA
1 stop8h 15mUnited Airlines
Mon 12/87:34 pmSEA - MDT
2 stops10h 56mUnited Airlines
Deal found 11/18$344
This American Airlines deal was found by Cheapflights users on 11/18. 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 12/185:00 amMDT - SEA
1 stop10h 37mAmerican Airlines
Wed 1/710:45 amSEA - MDT
1 stop9h 07mAmerican Airlines
Deal found 11/18$359
This United Airlines deal was found by Cheapflights users on 11/18. 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 12/176:15 amMDT - SEA
2 stops12h 52mUnited Airlines
Fri 1/910:58 amSEA - MDT
1 stop7h 07mUnited Airlines
Deal found 11/18$364
This Alaska Airlines deal was found by Cheapflights users on 11/18. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/172:55 pmMDT - SEA
1 stop10h 17mAlaska Airlines
Thu 1/811:00 amSEA - MDT
1 stop9h 50mAlaska Airlines
Deal found 11/18$378
This American Airlines deal was found by Cheapflights users on 11/18. 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 12/186:24 amMDT - SEA
1 stop11h 30mAmerican Airlines
Sat 1/106:00 amSEA - MDT
2 stops13h 27mAmerican Airlines
Deal found 11/18$383
This United Airlines deal was found by Cheapflights users on 11/18. 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.
Fri 12/56:15 amMDT - SEA
2 stops12h 14mUnited Airlines
Mon 12/88:10 amSEA - MDT
1 stop7h 44mUnited Airlines
Deal found 11/18$392
This American Airlines deal was found by Cheapflights users on 11/18. 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 12/174:46 pmMDT - SEA
1 stop9h 38mAmerican Airlines
Sat 1/107:35 amSEA - MDT
2 stops11h 52mAmerican Airlines
Deal found 11/18$402
This United Airlines deal was found by Cheapflights users on 11/17. 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 12/26:30 amMDT - PDX
1 stop8h 18mUnited Airlines
Wed 12/311:59 pmPDX - MDT
2 stops10h 53mUnited Airlines
Deal found 11/17$442
This American Airlines deal was found by Cheapflights users on 11/16. 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.
Mon 12/226:14 amMDT - PDX
1 stop9h 36mAmerican Airlines
Mon 12/2911:07 pmPDX - MDT
1 stop7h 03mAmerican Airlines
Deal found 11/16$480

Cheapflights Fare Finder

 
Customize your flight search to find flights from Harrisburg to Washington 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 November 18, 2025.
Use the filters below to find and compare flights from Harrisburg to Washington that are best for you.

Fly from

Harrisburg

Fly to

Washington

Route

Depart

Return

Price

HarrisburgSeattle

MDT - SEA

MDTSEA

Harrisburg

Wed 1/7

5:47 am-11:45 am

1 stop8h 58m

Seattle/Tacoma Intl

Wed 1/7

9:45 pm-10:17 am

1 stop9h 32m

$259

HarrisburgSeattle

MDT - SEA

MDTSEA

Harrisburg

Wed 1/7

12:43 pm-7:04 pm

1 stop9h 21m

Seattle/Tacoma Intl

Wed 1/14

11:55 am-10:52 pm

1 stop7h 57m

$259

HarrisburgSeattle

MDT - SEA

MDTSEA

Harrisburg

Wed 1/7

2:28 pm-8:57 pm

1 stop9h 29m

Seattle/Tacoma Intl

Wed 1/14

5:10 pm-9:35 am

2 stops13h 25m

$264

HarrisburgSeattle

MDT - SEA

MDTSEA

Harrisburg

Wed 1/7

6:30 am-11:32 am

1 stop8h 02m

Seattle/Tacoma Intl

Wed 1/7

7:30 pm-10:13 am

2 stops11h 43m

$264

HarrisburgPortland

MDT - PDX

MDTPDX

Harrisburg

Tue 12/9

5:00 pm-10:10 pm

1 stop8h 10m

Portland

Sat 12/13

10:10 pm-10:48 am

1 stop9h 38m

$309

HarrisburgPortland

MDT - PDX

MDTPDX

Harrisburg

Tue 2/3

12:53 pm-10:11 pm

2 stops12h 18m

Portland

Tue 3/3

11:46 am-11:48 pm

1 stop9h 02m

$314

HarrisburgSeattle

MDT - SEA

MDTSEA

Harrisburg

Thu 2/12

10:40 am-7:03 pm

2 stops11h 23m

Seattle/Tacoma Intl

Sun 2/15

7:00 am-4:44 pm

1 stop6h 44m

$315

HarrisburgPortland

MDT - PDX

MDTPDX

Harrisburg

Thu 4/9

7:00 pm-11:37 pm

1 stop7h 37m

Portland

Wed 4/15

6:30 am-6:04 pm

1 stop8h 34m

$323

HarrisburgSeattle

MDT - SEA

MDTSEA

Harrisburg

Thu 1/8

3:10 pm-10:43 pm

1 stop10h 33m

Seattle/Tacoma Intl

Tue 1/13

10:58 am-9:05 pm

1 stop7h 07m

$359

HarrisburgSeattle

MDT - SEA

MDTSEA

Harrisburg

Wed 12/10

6:30 am-3:29 pm

2 stops11h 59m

Seattle/Tacoma Intl

Sun 12/28

11:15 pm-9:36 am

1 stop7h 21m

$364

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/16

Showing 1-10 of 40 results
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Best time to book a flight from Harrisburg to Washington

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

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

Currently, March is the cheapest month in which you can book a flight from Harrisburg to State of Washington (average of $105). Flying from Harrisburg to State of Washington in July is currently the most expensive (average of $232). 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 MDT to WA?

Find hourly flight availability from Harrisburg to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 18, 2025.

It’s optimal to fly from Harrisburg to State of Washington at noon. By choosing this option you can save up to 46% on the cost of your flight, compared to a flight in the afternoon.

How much does it cost to fly round-trip from Harrisburg to State of Washington?

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington. Reviews last updated November 18, 2025.
Read through reviews of airlines operating flights from Harrisburg to Washington, such as Alaska Airlines, Delta, and United Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.8

Overall

8.0

Boarding

8.1

Entertainment

7.0

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.

Comfort

7.8

Overall

8.0

Boarding

8.1

Entertainment

7.0

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.

Comfort

7.8

Overall

8.0

Boarding

8.1

Entertainment

7.0

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.

Comfort

7.8

Overall

8.0

Boarding

8.1

Entertainment

7.0

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.

Comfort

7.8

Overall

8.0

Boarding

8.1

Entertainment

7.0

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.

Related info for your journey

Find useful and relevant information for your journey from Harrisburg to Washington. 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 from for flights from Harrisburg to Washington?

    Harrisburg (MDT), located 8.5 mi from the city center, is the airport you fly out of when you book flights from Harrisburg to Washington.

  • How long is the flight from Harrisburg to State of Washington?

    There are many flights that can get you from Harrisburg to State of Washington in 8h 10m. Fly via American Airlines, United Airlines, or Delta to get the fastest option. Harrisburg and State of Washington are separated by a distance of 2316 mi. This flight may include one or multiple stops.

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

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

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

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

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

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

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

    Currently, March is the cheapest month in which you can book a flight from Harrisburg to State of Washington (average of $105). Flying from Harrisburg to State of Washington in July is currently the most expensive (average of $232). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Harrisburg to Washington

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Harrisburg to Washington

Discover the top 4 airlines that operate flights from Harrisburg to Washington. 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 November 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$286Average$543FlexibilityNo cancel feeOn-time69%
DeltaCheapest$286Average$449FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$296Average$474FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$427Average$648FlexibilityNo cancel feeOn-time75%

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