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Cheap flights from Seattle to Harrisburg from $130

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Harrisburg departing on 3/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Seattle to Harrisburg

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
11:45 am - 11:20 pm
SEA
-
MDT
8h 35m
1 stop
American Airlines Logo
6:31 pm - 12:24 am
MDT
-
SEA
8h 53m
1 stop
$259American Airlines
Wed, Feb 25 - Fri, Feb 27
American Airlines Logo
10:57 pm - 9:21 am
SEA
-
MDT
7h 24m
1 stop
American Airlines Logo
6:31 pm - 11:04 pm
MDT
-
SEA
7h 33m
1 stop
$261American Airlines
Wed, Mar 4 - Sat, Mar 7
American Airlines Logo
10:57 pm - 9:21 am
SEA
-
MDT
7h 24m
1 stop
American Airlines Logo
6:41 pm - 11:39 pm
MDT
-
SEA
7h 58m
1 stop
$294American Airlines
Thu, Apr 2 - Tue, Apr 7
United Airlines Logo
7:10 pm - 9:37 am
SEA
-
MDT
11h 27m
2 stops
United Airlines Logo
5:40 pm - 10:43 pm
MDT
-
SEA
8h 03m
1 stop
$302United Airlines
Wed, Feb 25 - Fri, Feb 27
American Airlines Logo
7:15 am - 5:50 pm
SEA
-
MDT
7h 35m
1 stop
American Airlines Logo
5:06 pm - 12:55 am
MDT
-
SEA
10h 49m
2 stops
$314American Airlines
Wed, Feb 25 - Fri, Feb 27
United Airlines Logo
2:24 pm - 12:22 am
SEA
-
MDT
6h 58m
1 stop
United Airlines Logo
6:15 am - 4:37 pm
MDT
-
SEA
13h 22m
2 stops
$325United Airlines
Wed, Apr 1 - Tue, Apr 7
American Airlines Logo
12:51 pm - 11:50 pm
SEA
-
MDT
7h 59m
1 stop
American Airlines Logo
6:31 pm - 12:24 am
MDT
-
SEA
8h 53m
1 stop
$339American Airlines
Wed, Feb 11 - Sun, Feb 15
United Airlines Logo
7:10 pm - 9:32 am
SEA
-
MDT
11h 22m
2 stops
United Airlines Logo
5:40 pm - 10:45 pm
MDT
-
SEA
8h 05m
1 stop
$349United Airlines
Fri, Mar 6 - Sun, Mar 22
United Airlines Logo
7:00 am - 4:44 pm
SEA
-
MDT
6h 44m
1 stop
United Airlines Logo
5:40 pm - 10:43 pm
MDT
-
SEA
8h 03m
1 stop
$359United Airlines
Sat, Feb 21 - Tue, Feb 24
United Airlines Logo
5:20 pm - 9:37 am
SEA
-
MDT
13h 17m
2 stops
United Airlines Logo
2:07 pm - 7:03 pm
MDT
-
SEA
7h 56m
1 stop
$364United Airlines
Sat, Feb 21 - Tue, Feb 24

American Airlines flights from Seattle to Harrisburg

Our best American Airlines deals on Seattle to Harrisburg flight tickets
American Airlines
Feb 25
SEA11:45 amSeattle/Tacoma Intl
8h 35m
1 stop
MDT11:20 pmHarrisburg
Feb 27
MDT6:31 pmHarrisburg
8h 53m
1 stop
SEA12:24 amSeattle/Tacoma Intl
$259
American Airlines
Mar 4
SEA10:57 pmSeattle/Tacoma Intl
7h 24m
1 stop
MDT9:21 amHarrisburg
Mar 7
MDT6:31 pmHarrisburg
7h 33m
1 stop
SEA11:04 pmSeattle/Tacoma Intl
$261
American Airlines
Apr 2
SEA10:57 pmSeattle/Tacoma Intl
7h 24m
1 stop
MDT9:21 amHarrisburg
Apr 7
MDT6:41 pmHarrisburg
7h 58m
1 stop
SEA11:39 pmSeattle/Tacoma Intl
$294

United Airlines flights from Seattle to Harrisburg

Our best United Airlines deals on Seattle to Harrisburg flight tickets
United Airlines
Feb 25
SEA7:10 pmSeattle/Tacoma Intl
11h 27m
2 stops
MDT9:37 amHarrisburg
Feb 27
MDT5:40 pmHarrisburg
8h 03m
1 stop
SEA10:43 pmSeattle/Tacoma Intl
$302
United Airlines
Apr 1
SEA2:24 pmSeattle/Tacoma Intl
6h 58m
1 stop
MDT12:22 amHarrisburg
Apr 7
MDT6:15 amHarrisburg
13h 22m
2 stops
SEA4:37 pmSeattle/Tacoma Intl
$325
United Airlines
Mar 6
SEA7:10 pmSeattle/Tacoma Intl
11h 22m
2 stops
MDT9:32 amHarrisburg
Mar 22
MDT5:40 pmHarrisburg
8h 05m
1 stop
SEA10:45 pmSeattle/Tacoma Intl
$349

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Harrisburg 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, momondo users made 832,500 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from Seattle to Harrisburg that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Wed 2/25

11:45 am-11:20 pm

1 stop8h 35m

Harrisburg

Fri 2/27

6:31 pm-12:24 am

1 stop8h 53m

$259

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Wed 3/4

10:57 pm-9:21 am

1 stop7h 24m

Harrisburg

Sat 3/7

6:31 pm-11:04 pm

1 stop7h 33m

$261

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Thu 4/2

10:57 pm-9:21 am

1 stop7h 24m

Harrisburg

Tue 4/7

6:41 pm-11:39 pm

1 stop7h 58m

$294

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Wed 2/25

7:10 pm-9:37 am

2 stops11h 27m

Harrisburg

Fri 2/27

5:40 pm-10:43 pm

1 stop8h 03m

$302

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Wed 2/25

7:15 am-5:50 pm

1 stop7h 35m

Harrisburg

Fri 2/27

5:06 pm-12:55 am

2 stops10h 49m

$314

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Wed 4/1

2:24 pm-12:22 am

1 stop6h 58m

Harrisburg

Tue 4/7

6:15 am-4:37 pm

2 stops13h 22m

$325

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Wed 2/11

12:51 pm-11:50 pm

1 stop7h 59m

Harrisburg

Sun 2/15

6:31 pm-12:24 am

1 stop8h 53m

$339

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Fri 3/6

7:10 pm-9:32 am

2 stops11h 22m

Harrisburg

Sun 3/22

5:40 pm-10:45 pm

1 stop8h 05m

$349

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Sat 2/21

7:00 am-4:44 pm

1 stop6h 44m

Harrisburg

Tue 2/24

5:40 pm-10:43 pm

1 stop8h 03m

$359

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Sat 2/21

5:20 pm-9:37 am

2 stops13h 17m

Harrisburg

Tue 2/24

2:07 pm-7:03 pm

1 stop7h 56m

$364

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Harrisburg from

How to get the cheapest flight ticket from Seattle to Harrisburg

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Harrisburg?

The month of February is, on average, the cheapest month to fly to Harrisburg from Seattle, with most prices found around $313. If you aren’t able to travel to Harrisburg during the month of February, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $367.

How have Seattle to Harrisburg flight prices changed over time?

As of January 2026, prices for Seattle to Harrisburg flights are approximately 14% more expensive when compared to flights at the same time last year.

When to book flights from Seattle to Harrisburg

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Harrisburg according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Harrisburg (SEA to MDT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Harrisburg

Fastest flight time

6h 44m

Direct flights

None
The fastest flight from Seattle to Harrisburg takes 6h 44m
There are no direct flights from Seattle to Harrisburg. There are no popular flight routes from Seattle to Harrisburg.
Search flight deals

  • How far is Seattle/Tacoma Intl to Harrisburg by plane?

    The straight-line distance from Seattle/Tacoma Intl to Harrisburg is 2281.5 mi. In terms of flight time, this usually takes a little over 6h 44m.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Harrisburg Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Harrisburg Airport refresh daily.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Harrisburg Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Harrisburg Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Harrisburg Airport.

  • What documentation or ID do you need to fly to Harrisburg Airport?

    The travel and health documents you'll need for your trip to Harrisburg Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Harrisburg Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Seattle to Harrisburg?

  • What is the most popular airline from Seattle to Harrisburg?

Best airlines flying from Seattle to Harrisburg

Compare and see reviews for airlines that fly from Seattle to Harrisburg with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $193Free CancellationRating
7.9
8,127 reviews
Search Delta flights
United AirlinesPriceFrom $193Free CancellationRating
7.4
9,215 reviews
Search United Airlines flights
American AirlinesPriceFrom $286Free CancellationRating
7.2
11,206 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $412Free CancellationRating
8.0
11,807 reviews
Search Alaska Airlines flights

Traveling to a place near Harrisburg?

Book flights to Harrisburg if you plan to visit one of these locations
Hershey
Carlisle
Mechanicsburg
Camp Hill
Hummelstown

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Harrisburg?

Finding the right flight to Harrisburg from Seattle is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Harrisburg quick and easy, saving you time and money.

Can I find flights from Seattle to Harrisburg with flexible booking policies on momondo?

Flights from Seattle to Harrisburg with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Seattle to Harrisburg?

Once you have performed a search for Seattle to Harrisburg flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Seattle to Harrisburg right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Seattle to Harrisburg flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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