HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
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 3/20. Fares are subject to change and may not be available on all flights or dates of travel.
MDT — SEA
Mar 24 — Mar 311
Tue 3/24
Tue 3/31
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Harrisburg to Washington with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 February 22, 2026.

This American Airlines deal was found by Cheapflights users on 2/19. 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 4/104:36 pm
MDT
-
SEA
1 stop10h 54m
American Airlines
Tue 4/1411:33 pm
SEA
-
MDT
1 stop8h 50m
American Airlines
Deal found 2/19$259
This United Airlines deal was found by Cheapflights users on 2/19. 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 5/85:49 pm
MDT
-
SEA
1 stop9h 08m
United Airlines
Mon 5/117:05 pm
SEA
-
MDT
2 stops11h 39m
United Airlines
Deal found 2/19$264
This American Airlines deal was found by Cheapflights users on 2/18. 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.
Fri 3/206:31 pm
MDT
-
SEA
1 stop8h 53m
American Airlines
Fri 3/2710:57 pm
SEA
-
MDT
1 stop7h 29m
American Airlines
Deal found 2/18$278
This United Airlines deal was found by Cheapflights users on 2/21. 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 3/182:33 pm
MDT
-
SEA
1 stop9h 23m
United Airlines
Thu 3/267:10 pm
SEA
-
MDT
2 stops11h 22m
United Airlines
Deal found 2/21$294
This American Airlines deal was found by Cheapflights users on 2/21. 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 3/116:31 pm
MDT
-
SEA
1 stop7h 33m
American Airlines
Wed 3/2510:57 pm
SEA
-
MDT
1 stop7h 24m
American Airlines
Deal found 2/21$299
This United Airlines deal was found by Cheapflights users on 2/18. 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 4/175:48 pm
MDT
-
SEA
1 stop7h 51m
United Airlines
Thu 4/237:05 pm
SEA
-
MDT
2 stops11h 39m
United Airlines
Deal found 2/18$302
This United Airlines deal was found by Cheapflights users on 2/21. 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 3/112:33 pm
MDT
-
SEA
2 stops11h 26m
United Airlines
Wed 3/2511:59 pm
SEA
-
MDT
1 stop7h 01m
United Airlines
Deal found 2/21$304
This American Airlines deal was found by Cheapflights users on 2/20. 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 3/133:15 pm
MDT
-
SEA
1 stop9h 42m
American Airlines
Tue 3/1710:57 pm
SEA
-
MDT
1 stop7h 24m
American Airlines
Deal found 2/20$309
This Delta deal was found by Cheapflights users on 2/21. 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.
Fri 5/295:00 pm
MDT
-
SEA
1 stop8h 48m
Delta
Tue 6/911:05 pm
SEA
-
MDT
1 stop9h 46m
Delta
Deal found 2/21$319
This United Airlines deal was found by Cheapflights users on 2/20. 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 11/25:31 pm
MDT
-
SEA
1 stop9h 28m
United Airlines
Sun 11/810:40 pm
SEA
-
MDT
1 stop8h 15m
United Airlines
Deal found 2/20$323
This United Airlines deal was found by Cheapflights users on 2/20. 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 3/132:33 pm
MDT
-
SEA
1 stop9h 23m
United Airlines
Tue 3/1711:59 pm
SEA
-
MDT
2 stops10h 52m
United Airlines
Deal found 2/20$324
This United Airlines deal was found by Cheapflights users on 2/18. 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 11/62:30 pm
MDT
-
SEA
1 stop8h 40m
United Airlines
Sun 11/82:15 pm
SEA
-
MDT
1 stop7h 15m
United Airlines
Deal found 2/18$328

Find flight deals from Harrisburg to Washington

Keep the following information in mind while searching for Harrisburg to Washington flight deals. Data was last updated February 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$259
(American Airlines)

One-way from

$130
(American Airlines)

Popular in

July

Cheapest in

January

Average price

$359
Provider with most accurate pricing for Harrisburg-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Harrisburg-Seattle/Tacoma Intl flights.
Search Deals
From Harrisburg to Washington
Search Deals
One-way flight from Harrisburg to Washington
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($53 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 22, 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

Wed 8/19

5:31 pm-11:59 pm

1 stop9h 28m

Seattle/Tacoma Intl

Tue 8/25

10:40 pm-9:55 am

1 stop8h 15m

$259

HarrisburgSeattle

MDT - SEA

MDTSEA

Harrisburg

Fri 4/10

4:36 pm-12:30 am

1 stop10h 54m

Seattle/Tacoma Intl

Tue 4/14

11:33 pm-11:23 am

1 stop8h 50m

$259

HarrisburgSeattle

MDT - SEA

MDTSEA

Harrisburg

Wed 4/29

5:47 pm-10:37 pm

1 stop7h 50m

Seattle/Tacoma Intl

Sun 5/3

10:41 pm-9:44 am

1 stop8h 03m

$259

HarrisburgSeattle

MDT - SEA

MDTSEA

Harrisburg

Tue 3/31

5:48 pm-10:37 pm

1 stop7h 49m

Seattle/Tacoma Intl

Tue 4/7

11:59 pm-1:55 pm

2 stops10h 56m

$264

HarrisburgSeattle

MDT - SEA

MDTSEA

Harrisburg

Sat 4/4

2:05 pm-6:46 pm

1 stop7h 41m

Seattle/Tacoma Intl

Tue 4/7

11:59 pm-1:55 pm

2 stops10h 56m

$264

HarrisburgSpokane

MDT - GEG

MDTGEG

Harrisburg

Sat 5/2

5:38 am-12:32 pm

1 stop9h 54m

Spokane

Wed 5/6

1:22 pm-11:52 pm

1 stop7h 30m

$329

HarrisburgPortland

MDT - PDX

MDTPDX

Harrisburg

Wed 4/8

4:36 pm-10:42 pm

1 stop9h 06m

Portland

Sun 4/12

6:22 am-6:03 pm

1 stop8h 41m

$329

HarrisburgPortland

MDT - PDX

MDTPDX

Harrisburg

Fri 4/17

6:43 pm-11:57 pm

1 stop8h 14m

Portland

Sat 4/25

6:22 am-6:03 pm

1 stop8h 41m

$329

HarrisburgPortland

MDT - PDX

MDTPDX

Harrisburg

Tue 4/14

5:47 pm-10:29 pm

1 stop7h 42m

Portland

Sat 4/18

11:59 pm-10:09 am

1 stop7h 10m

$329

HarrisburgPortland

MDT - PDX

MDTPDX

Harrisburg

Sat 4/4

5:42 pm-10:29 pm

1 stop7h 47m

Portland

Sat 4/18

8:40 am-11:28 pm

2 stops11h 48m

$334

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/18

Showing 1-10 of 42 results
1
2
3
...
5

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 $210). 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 February 22, 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
11,928 reviews

Entertainment

7.0

Overall

8.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.1

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
11,928 reviews
Alaska Airlines
8.0
Very good
11,928 reviews

Entertainment

7.0

Overall

8.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.1

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
8,241 reviews
Alaska Airlines
8.0
Very good
11,928 reviews

Entertainment

7.0

Overall

8.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.1

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
9,341 reviews
Alaska Airlines
8.0
Very good
11,928 reviews

Entertainment

7.0

Overall

8.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.1

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
11,338 reviews
Alaska Airlines
8.0
Very good
11,928 reviews

Entertainment

7.0

Overall

8.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.1

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 9h 28m. Fly via United Airlines or American Airlines to get the fastest option. Harrisburg and State of Washington are separated by a distance of 2289 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 $210). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Harrisburg to Washington

See prices for flight routes from nearby airports that may be better suited for you.
Newark to Fort Lauderdale flights
John F Kennedy Intl to Miami flights
John F Kennedy Intl to Fort Lauderdale flights
Newark to Miami flights
LaGuardia to Miami flights
LaGuardia to Fort Lauderdale flights
John F Kennedy Intl to Orlando flights
Newark to West Palm Beach flights
John F Kennedy Intl to West Palm Beach flights
John F Kennedy Intl to Los Angeles flights
Newark to Orlando flights
John F Kennedy Intl to Las Vegas flights
Newark to Las Vegas flights
Newark to Dallas/Fort Worth flights
LaGuardia to Orlando flights
Newark to Los Angeles flights
Newark to Tampa flights
LaGuardia to Dallas/Fort Worth flights
John F Kennedy Intl to Hobby flights
LaGuardia to Hobby flights
John F Kennedy Intl to Dallas/Fort Worth flights
Dulles Intl to Miami flights
Dulles Intl to Dallas/Fort Worth flights
John F Kennedy Intl to San Francisco flights
Newark to Hobby flights
John F Kennedy Intl to Tampa flights
Reagan-National to Miami flights
John F Kennedy Intl to New Orleans flights
Dulles Intl to Las Vegas flights
John F Kennedy Intl to O'Hare Intl flights
Dulles Intl to Orlando flights
Newark to Sky Harbor Intl flights
LaGuardia to Tampa flights
LaGuardia to West Palm Beach flights
Philadelphia to Tampa flights
LaGuardia to Los Angeles flights
Philadelphia to Orlando flights
Philadelphia to Miami flights
Newark to New Orleans flights
Newark to San Francisco flights
John F Kennedy Intl to Sky Harbor Intl flights
John F Kennedy Intl to George Bush Intcntl flights
Dulles Intl to Fort Lauderdale flights
Philadelphia to Fort Lauderdale flights
Newark to George Bush Intcntl flights
LaGuardia to New Orleans flights
LaGuardia to Las Vegas flights
LaGuardia to Atlanta flights
LaGuardia to George Bush Intcntl flights
Reagan-National to Los Angeles flights

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 February 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$259Average$534FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$286Average$457FlexibilityNo cancel feeOn-time71%
DeltaCheapest$286Average$467FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$422Average$587FlexibilityNo cancel feeOn-time75%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.