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$151+ 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 8/17. Fares are subject to change and may not be available on all flights or dates of travel.
MDT — SEA
Aug 17 — Aug 241
Mon 8/17
Mon 8/24
1 adult, Economy
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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 July 18, 2026.

This American Airlines deal was found by Cheapflights users on 7/16. 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.
Tue 9/155:45 am
MDT
-
SEA
1 stop8h 55m
American Airlines
Tue 9/2210:17 am
SEA
-
MDT
1 stop9h 30m
American Airlines
Deal found 7/16$351
This United Airlines deal was found by Cheapflights users on 7/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/155:54 pm
MDT
-
SEA
1 stop7h 51m
United Airlines
Tue 9/2211:00 pm
SEA
-
MDT
2 stops11h 39m
United Airlines
Deal found 7/16$356
This American Airlines deal was found by Cheapflights users on 7/15. 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.
Thu 9/246:54 pm
MDT
-
SEA
1 stop8h 17m
American Airlines
Sat 9/2611:57 pm
SEA
-
MDT
1 stop8h 26m
American Airlines
Deal found 7/15$360
This United Airlines deal was found by Cheapflights users on 7/18. 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 8/282:17 pm
MDT
-
SEA
2 stops9h 58m
United Airlines
Tue 9/111:00 pm
SEA
-
MDT
1 stop7h 51m
United Airlines
Deal found 7/18$365
This American Airlines deal was found by Cheapflights users on 7/15. 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 11/66:40 am
MDT
-
SEA
1 stop8h 12m
American Airlines
Mon 11/91:53 pm
SEA
-
MDT
1 stop7h 25m
American Airlines
Deal found 7/15$369
This Delta deal was found by Cheapflights users on 7/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:00 am
MDT
-
GEG
1 stop8h 38m
Delta
Wed 11/1812:40 pm
GEG
-
MDT
1 stop7h 58m
Delta
Deal found 7/16$369
This American Airlines deal was found by Cheapflights users on 7/15. 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 9/116:00 am
MDT
-
PDX
1 stop7h 55m
American Airlines
Mon 9/1411:06 pm
PDX
-
MDT
1 stop8h 11m
American Airlines
Deal found 7/15$369
This United Airlines deal was found by Cheapflights users on 7/14. 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.
Fri 9/185:54 pm
MDT
-
SEA
1 stop7h 51m
United Airlines
Fri 9/257:25 pm
SEA
-
MDT
2 stops11h 26m
United Airlines
Deal found 7/14$374
This American Airlines deal was found by Cheapflights users on 7/15. 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.
Thu 10/16:00 am
MDT
-
GEG
1 stop10h 19m
American Airlines
Tue 10/66:30 am
GEG
-
MDT
2 stops12h 49m
American Airlines
Deal found 7/15$374
This United Airlines deal was found by Cheapflights users on 7/18. 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 8/275:54 pm
MDT
-
PDX
1 stop7h 58m
United Airlines
Sun 8/307:07 pm
PDX
-
MDT
2 stops11h 30m
United Airlines
Deal found 7/18$374
This United Airlines deal was found by Cheapflights users on 7/17. 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.
Sat 9/52:17 pm
MDT
-
SEA
2 stops10h 14m
United Airlines
Sat 9/1211:00 pm
SEA
-
MDT
1 stop7h 51m
United Airlines
Deal found 7/17$383
This American Airlines deal was found by Cheapflights users on 7/15. 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 8/121:25 pm
MDT
-
SEA
1 stop10h 27m
American Airlines
Wed 8/2611:56 pm
SEA
-
MDT
1 stop9h 49m
American Airlines
Deal found 7/15$385

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 July 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$351
(American Airlines)

One-way from

$151
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$433
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. 14% potential increase in price ($75 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 18, 2026.
Use the filters below to find and compare flights from Harrisburg to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HarrisburgSeattle

MDT - SEA

MDTSEA

Harrisburg

Fri 10/30

12:12 pm-6:59 pm

1 stop9h 47m

Seattle/Tacoma Intl

Mon 11/2

11:05 pm-11:32 am

1 stop9h 27m

$360

HarrisburgSeattle

MDT - SEA

MDTSEA

Harrisburg

Wed 11/4

5:43 pm-10:53 pm

1 stop8h 10m

Seattle/Tacoma Intl

Sun 11/8

5:00 am-4:47 pm

2 stops8h 47m

$365

HarrisburgSpokane

MDT - GEG

MDTGEG

Harrisburg

Wed 11/11

6:00 am-11:38 am

1 stop8h 38m

Spokane

Wed 11/18

12:40 pm-11:38 pm

1 stop7h 58m

$369

HarrisburgSpokane

MDT - GEG

MDTGEG

Harrisburg

Thu 10/1

6:00 am-1:19 pm

1 stop10h 19m

Spokane

Tue 10/6

6:30 am-10:19 pm

2 stops12h 49m

$374

HarrisburgSeattle

MDT - SEA

MDTSEA

Harrisburg

Fri 9/18

5:54 pm-10:45 pm

1 stop7h 51m

Seattle/Tacoma Intl

Fri 9/25

7:25 pm-9:51 am

2 stops11h 26m

$374

HarrisburgPortland

MDT - PDX

MDTPDX

Harrisburg

Fri 10/2

5:10 pm-10:00 pm

1 stop7h 50m

Portland

Mon 10/5

11:10 pm-2:11 pm

2 stops12h 01m

$374

HarrisburgSeattle

MDT - SEA

MDTSEA

Harrisburg

Wed 11/4

2:41 pm-11:02 pm

2 stops11h 21m

Seattle/Tacoma Intl

Mon 11/9

7:00 am-4:47 pm

1 stop6h 47m

$392

HarrisburgPortland

MDT - PDX

MDTPDX

Harrisburg

Fri 10/2

5:10 pm-10:00 pm

1 stop7h 50m

Portland

Fri 10/9

8:44 pm-11:32 am

2 stops11h 48m

$414

HarrisburgPortland

MDT - PDX

MDTPDX

Harrisburg

Fri 10/2

6:30 am-11:33 am

1 stop8h 03m

Portland

Sat 10/10

11:30 pm-9:51 am

1 stop7h 21m

$431

HarrisburgPortland

MDT - PDX

MDTPDX

Harrisburg

Sat 10/10

3:28 pm-8:44 pm

1 stop8h 16m

Portland

Sat 10/17

10:55 pm-11:17 am

1 stop9h 22m

$452

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/16

Showing 1-10 of 49 resultsSorted by cheapest first
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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, January is the cheapest month in which you can book a flight from Harrisburg to State of Washington (average of $314). Flying from Harrisburg to State of Washington in June is currently the most expensive (average of $674). 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.

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

How far ahead should I book a flight from Harrisburg to State of Washington?

Booking 26 days in advance of your planned departure date is, on average, the best time to get cheap flights from Harrisburg to State of Washington. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 July 18, 2026.
Read through reviews of airlines operating flights from Harrisburg to Washington, such as Alaska Airlines,Delta, andUnited Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
7.9
Good
12,674 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.0

Food

7.0

Comfort

7.8

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.
Alaska Airlines
7.9
Good
12,674 reviews
Alaska Airlines
7.9
Good
12,674 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.0

Food

7.0

Comfort

7.8

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.
Delta
7.8
Good
8,481 reviews
Alaska Airlines
7.9
Good
12,674 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.0

Food

7.0

Comfort

7.8

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.
United Airlines
7.4
Good
10,008 reviews
Alaska Airlines
7.9
Good
12,674 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.0

Food

7.0

Comfort

7.8

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.
American Airlines
7.1
Good
11,823 reviews
Alaska Airlines
7.9
Good
12,674 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.0

Food

7.0

Comfort

7.8

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.

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 Delta, 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 cheapest airlines to fly from Harrisburg to State of Washington one-way?

    The cheapest airlines for a one-way flight from Harrisburg to State of Washington are American Airlines ($136), Delta ($148), and United Airlines ($166).

  • 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, January is the cheapest month in which you can book a flight from Harrisburg to State of Washington (average of $314). Flying from Harrisburg to State of Washington in June is currently the most expensive (average of $674). 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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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 July 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$159Average$486FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$258Average$465FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$293Average$403FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$422Average$703FlexibilityNo cancel feeOn-time75%

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