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$149+ 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 8/14. Fares are subject to change and may not be available on all flights or dates of travel.
MDT — SEA
May 12 — May 191
Tue 5/12
Tue 5/19
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 April 12, 2026.

This United Airlines deal was found by Cheapflights users on 4/10. 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 5/15:54 pm
MDT
-
SEA
1 stop7h 53m
United Airlines
Mon 5/410:53 pm
SEA
-
MDT
1 stop8h 14m
United Airlines
Deal found 4/10$297
This American Airlines deal was found by Cheapflights users on 4/8. 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 5/276:34 am
MDT
-
PDX
1 stop8h 00m
American Airlines
Wed 6/36:15 am
PDX
-
MDT
1 stop9h 22m
American Airlines
Deal found 4/8$303
This United Airlines deal was found by Cheapflights users on 4/9. 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 4/295:52 pm
MDT
-
PDX
1 stop7h 42m
United Airlines
Sat 5/210:45 am
PDX
-
MDT
1 stop7h 34m
United Airlines
Deal found 4/9$310
This United Airlines deal was found by Cheapflights users on 4/7. 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 9/52:53 pm
MDT
-
SEA
1 stop8h 10m
United Airlines
Sat 9/1210:47 pm
SEA
-
MDT
1 stop7h 44m
United Airlines
Deal found 4/7$314
This American Airlines deal was found by Cheapflights users on 4/10. 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 4/304:36 pm
MDT
-
PDX
1 stop9h 20m
American Airlines
Sun 5/36:22 am
PDX
-
MDT
1 stop8h 39m
American Airlines
Deal found 4/10$317
This Delta deal was found by Cheapflights users on 4/11. 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 10/2112:25 pm
MDT
-
SEA
1 stop9h 34m
Delta
Sun 11/111:05 pm
SEA
-
MDT
1 stop9h 48m
Delta
Deal found 4/11$320
This American Airlines deal was found by Cheapflights users on 4/8. 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 6/107:17 pm
MDT
-
PDX
1 stop7h 39m
American Airlines
Mon 6/1510:40 pm
PDX
-
MDT
1 stop8h 28m
American Airlines
Deal found 4/8$320
This United Airlines deal was found by Cheapflights users on 4/10. 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 4/112:05 pm
MDT
-
SEA
1 stop7h 41m
United Airlines
Fri 5/111:53 pm
SEA
-
MDT
1 stop7h 14m
United Airlines
Deal found 4/10$322
This United Airlines deal was found by Cheapflights users on 4/11. 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 10/222:30 pm
MDT
-
SEA
1 stop8h 40m
United Airlines
Sun 11/18:00 am
SEA
-
MDT
1 stop7h 28m
United Airlines
Deal found 4/11$323
This United Airlines deal was found by Cheapflights users on 4/7. 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 8/295:53 pm
MDT
-
PDX
1 stop8h 16m
United Airlines
Sat 10/1010:59 pm
PDX
-
MDT
1 stop7h 56m
United Airlines
Deal found 4/7$323
This United Airlines deal was found by Cheapflights users on 4/11. 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 5/45:54 pm
MDT
-
SEA
1 stop7h 53m
United Airlines
Sat 5/95:02 am
SEA
-
MDT
2 stops8h 51m
United Airlines
Deal found 4/11$329
This American Airlines deal was found by Cheapflights users on 4/8. 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 7/25:00 pm
MDT
-
SEA
1 stop9h 35m
American Airlines
Tue 7/76:00 am
SEA
-
MDT
1 stop7h 15m
American Airlines
Deal found 4/8$330

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 April 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$297
(United Airlines)

One-way from

$149
(United Airlines)

Popular in

July

Cheapest in

January

Average price

$388
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. 13% potential increase in price ($66 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 April 12, 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
Quickest round-trip

HarrisburgSeattle

MDT - SEA

MDTSEA

Harrisburg

Thu 5/7

6:30 am-11:39 am

1 stop8h 09m

Seattle/Tacoma Intl

Fri 5/15

10:41 pm-9:44 am

1 stop8h 03m

$297

HarrisburgPortland

MDT - PDX

MDTPDX

Harrisburg

Wed 6/10

6:34 am-11:34 am

1 stop8h 00m

Portland

Mon 6/15

10:40 pm-10:08 am

1 stop8h 28m

$346

HarrisburgSeattle

MDT - SEA

MDTSEA

Harrisburg

Wed 8/26

2:53 pm-11:11 pm

2 stops11h 18m

Seattle/Tacoma Intl

Sun 9/6

7:00 am-4:51 pm

1 stop6h 51m

$350

HarrisburgPortland

MDT - PDX

MDTPDX

Harrisburg

Wed 5/27

11:57 am-10:02 pm

2 stops13h 05m

Portland

Wed 6/3

9:39 pm-11:07 am

1 stop10h 28m

$366

HarrisburgSpokane

MDT - GEG

MDTGEG

Harrisburg

Thu 10/1

2:56 pm-9:29 pm

1 stop9h 33m

Spokane

Tue 10/6

7:20 pm-11:53 am

2 stops13h 33m

$394

HarrisburgSeattle

MDT - SEA

MDTSEA

Harrisburg

Mon 5/4

4:36 pm-10:26 am

2 stops20h 50m

Seattle/Tacoma Intl

Sun 5/10

7:02 am-11:52 pm

2 stops13h 50m

$407

HarrisburgSpokane

MDT - GEG

MDTGEG

Harrisburg

Thu 9/24

2:56 pm-9:29 pm

1 stop9h 33m

Spokane

Mon 9/28

10:45 pm-11:36 am

1 stop9h 51m

$409

HarrisburgSeattle

MDT - SEA

MDTSEA

Harrisburg

Tue 9/1

6:15 am-5:45 pm

2 stops14h 30m

Seattle/Tacoma Intl

Tue 9/1

11:10 pm-9:36 am

1 stop7h 26m

$412

HarrisburgPortland

MDT - PDX

MDTPDX

Harrisburg

Wed 4/22

6:00 am-5:10 pm

2 stops14h 10m

Portland

Sat 4/25

6:00 am-11:03 pm

2 stops14h 03m

$412

HarrisburgSpokane

MDT - GEG

MDTGEG

Harrisburg

Wed 9/23

12:25 pm-11:44 pm

2 stops14h 19m

Spokane

Wed 9/30

7:21 pm-11:51 am

2 stops13h 30m

$419

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/9

Showing 1-10 of 48 resultsSorted by cheapest first
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3
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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, March is the cheapest month in which you can book a flight from Harrisburg to State of Washington (average of $131). Flying from Harrisburg to State of Washington in July is currently the most expensive (average of $218). 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?

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 April 12, 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
12,222 reviews

Entertainment

7.0

Boarding

8.1

Food

7.0

Comfort

7.8

Overall

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
Alaska Airlines
7.9
Good
12,222 reviews
Alaska Airlines
7.9
Good
12,222 reviews

Entertainment

7.0

Boarding

8.1

Food

7.0

Comfort

7.8

Overall

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
Delta
7.9
Good
8,408 reviews
Alaska Airlines
7.9
Good
12,222 reviews

Entertainment

7.0

Boarding

8.1

Food

7.0

Comfort

7.8

Overall

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
United Airlines
7.4
Good
9,574 reviews
Alaska Airlines
7.9
Good
12,222 reviews

Entertainment

7.0

Boarding

8.1

Food

7.0

Comfort

7.8

Overall

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
American Airlines
7.1
Good
11,569 reviews
Alaska Airlines
7.9
Good
12,222 reviews

Entertainment

7.0

Boarding

8.1

Food

7.0

Comfort

7.8

Overall

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

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. Fly via United Airlines, American 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 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 ($143), 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, March is the cheapest month in which you can book a flight from Harrisburg to State of Washington (average of $131). Flying from Harrisburg to State of Washington in July is currently the most expensive (average of $218). 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 April 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$258Average$467FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$258Average$460FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$286Average$444FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$422Average$592FlexibilityNo cancel feeOn-time75%

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