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$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 5/23. Fares are subject to change and may not be available on all flights or dates of travel.
MDT — SEA
Feb 5 — Feb 121
Thu 2/5
Thu 2/12
1 adult, Economy
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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 January 6, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$259
(American Airlines)

One-way from

$130
(United Airlines)

Popular in

July

Cheapest in

January

Average price

$298
Provider with most accurate pricing for Harrisburg-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Harrisburg-Seattle/Tacoma Intl flights.
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From Harrisburg to Washington
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One-way flight from Harrisburg to Washington
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Highest demand for flights based on searches. 10% potential increase in price ($54 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 January 6, 2026.

This American Airlines deal was found by Cheapflights users on 1/6. 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 2/192:59 pmMDT - SEA
1 stop9h 58mAmerican Airlines
Sun 2/2212:07 amSEA - MDT
1 stop8h 54mAmerican Airlines
Deal found 1/6$259
This American Airlines deal was found by Cheapflights users on 1/5. 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 3/412:51 pmMDT - SEA
2 stops11h 26mAmerican Airlines
Mon 3/910:57 pmSEA - MDT
1 stop7h 29mAmerican Airlines
Deal found 1/5$264
This American Airlines deal was found by Cheapflights users on 1/4. 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 3/312:51 pmMDT - SEA
2 stops11h 33mAmerican Airlines
Fri 3/612:59 amSEA - MDT
2 stops10h 49mAmerican Airlines
Deal found 1/4$289
This American Airlines deal was found by Cheapflights users on 1/4. 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 2/136:31 pmMDT - SEA
1 stop7h 33mAmerican Airlines
Mon 2/1610:57 pmSEA - MDT
1 stop7h 29mAmerican Airlines
Deal found 1/4$294
This Delta deal was found by Cheapflights users on 1/5. 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.
Thu 1/224:35 pmMDT - SEA
1 stop8h 14mDelta
Mon 1/2610:59 pmSEA - MDT
1 stop9h 38mDelta
Deal found 1/5$299
This United Airlines deal was found by Cheapflights users on 1/4. 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 7/138:00 pmMDT - SEA
1 stop7h 45mUnited Airlines
Tue 7/2111:20 pmSEA - MDT
1 stop7h 04mUnited Airlines
Deal found 1/4$301
This United Airlines deal was found by Cheapflights users on 1/5. 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 1/232:28 pmMDT - SEA
2 stops11h 15mUnited Airlines
Mon 1/2610:58 amSEA - MDT
1 stop7h 07mUnited Airlines
Deal found 1/5$304
This United Airlines deal was found by Cheapflights users on 1/4. 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 1/2210:48 amMDT - SEA
2 stops10h 38mUnited Airlines
Mon 1/267:30 pmSEA - MDT
2 stops11h 05mUnited Airlines
Deal found 1/4$310
This United Airlines deal was found by Cheapflights users on 1/5. 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.
Sat 5/26:30 amMDT - SEA
2 stops11h 05mUnited Airlines
Sat 5/911:50 pmSEA - MDT
1 stop7h 05mUnited Airlines
Deal found 1/5$313
This United Airlines deal was found by Cheapflights users on 1/6. 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 2/42:28 pmMDT - SEA
2 stops13h 31mUnited Airlines
Wed 2/185:00 amSEA - MDT
2 stops8h 44mUnited Airlines
Deal found 1/6$320
This American Airlines deal was found by Cheapflights users on 1/4. 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 5/76:00 amMDT - GEG
1 stop9h 42mAmerican Airlines
Thu 5/141:33 pmGEG - MDT
1 stop7h 17mAmerican Airlines
Deal found 1/4$329
This Delta deal was found by Cheapflights users on 1/6. 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 2/412:24 pmMDT - PDX
1 stop9h 49mDelta
Tue 2/1011:59 amPDX - MDT
1 stop8h 27mDelta
Deal found 1/6$329

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 January 6, 2026.
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

Thu 2/19

2:59 pm-9:57 pm

1 stop9h 58m

Seattle/Tacoma Intl

Sun 2/22

12:07 am-12:01 pm

1 stop8h 54m

$259

HarrisburgSeattle

MDT - SEA

MDTSEA

Harrisburg

Sat 5/2

6:41 pm-11:39 pm

1 stop7h 58m

Seattle/Tacoma Intl

Sat 5/9

10:47 pm-9:31 am

1 stop7h 44m

$259

HarrisburgSeattle

MDT - SEA

MDTSEA

Harrisburg

Wed 2/4

12:43 pm-7:04 pm

1 stop9h 21m

Seattle/Tacoma Intl

Wed 2/18

7:15 am-5:50 pm

1 stop7h 35m

$259

HarrisburgSeattle

MDT - SEA

MDTSEA

Harrisburg

Wed 3/4

2:59 pm-9:57 pm

1 stop9h 58m

Seattle/Tacoma Intl

Mon 3/9

7:15 am-5:50 pm

1 stop7h 35m

$259

HarrisburgSeattle

MDT - SEA

MDTSEA

Harrisburg

Mon 2/2

3:03 pm-10:20 pm

2 stops10h 17m

Seattle/Tacoma Intl

Mon 2/9

9:45 pm-10:17 am

1 stop9h 32m

$264

HarrisburgSeattle

MDT - SEA

MDTSEA

Harrisburg

Thu 1/22

4:35 pm-9:49 pm

1 stop8h 14m

Seattle/Tacoma Intl

Mon 1/26

10:59 pm-11:37 am

1 stop9h 38m

$299

HarrisburgSeattle

MDT - SEA

MDTSEA

Harrisburg

Thu 1/22

10:48 am-4:01 pm

1 stop8h 13m

Seattle/Tacoma Intl

Mon 1/26

10:58 am-9:05 pm

1 stop7h 07m

$299

HarrisburgSeattle

MDT - SEA

MDTSEA

Harrisburg

Fri 1/23

5:47 am-11:45 am

1 stop8h 58m

Seattle/Tacoma Intl

Mon 1/26

11:55 am-10:52 pm

1 stop7h 57m

$299

HarrisburgPortland

MDT - PDX

MDTPDX

Harrisburg

Sat 5/16

5:31 pm-10:08 pm

1 stop7h 37m

Portland

Sun 5/24

10:59 pm-9:55 am

1 stop7h 56m

$329

HarrisburgPortland

MDT - PDX

MDTPDX

Harrisburg

Fri 2/6

6:30 am-11:57 am

1 stop8h 27m

Portland

Tue 2/10

10:47 am-9:05 pm

1 stop7h 18m

$329

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/6

Showing 1-10 of 46 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 $103). Flying from Harrisburg to State of Washington in July is currently the most expensive (average of $229). 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.

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 January 6, 2026.
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.
Alaska Airlines
8.0
Very good
11,648 reviews

Food

7.1

Entertainment

7.0

Comfort

7.8

Boarding

8.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
Alaska Airlines
8.0
Very good
11,648 reviews
Alaska Airlines
8.0
Very good
11,648 reviews

Food

7.1

Entertainment

7.0

Comfort

7.8

Boarding

8.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
Delta
7.9
Good
8,018 reviews
Alaska Airlines
8.0
Very good
11,648 reviews

Food

7.1

Entertainment

7.0

Comfort

7.8

Boarding

8.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
United Airlines
7.4
Good
9,132 reviews
Alaska Airlines
8.0
Very good
11,648 reviews

Food

7.1

Entertainment

7.0

Comfort

7.8

Boarding

8.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
American Airlines
7.2
Good
11,083 reviews
Alaska Airlines
8.0
Very good
11,648 reviews

Food

7.1

Entertainment

7.0

Comfort

7.8

Boarding

8.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

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 7h 37m. Fly via American Airlines or United Airlines 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?

    The most popular flight routes from Harrisburg to State of Washington are Harrisburg - Seattle/Tacoma Intl, Harrisburg - Portland and Harrisburg - Spokane.

  • 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 $103). Flying from Harrisburg to State of Washington in July is currently the most expensive (average of $229). 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

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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.
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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 January 6, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$286Average$537FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$286Average$473FlexibilityNo cancel feeOn-time71%
DeltaCheapest$286Average$449FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$427Average$587FlexibilityNo cancel feeOn-time75%

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