Which layover airport has the shortest connection time from Seattle to Harrisburg?

Chicago (ORD) has the shortest average layover time for this route: 1h 07m.

What is the cheapest airline that flies from Seattle/Tacoma Intl to Harrisburg?

American Airlines and United Airlines are the most popular carriers operating from Seattle/Tacoma Intl to Harrisburg

Which layover airport has the shortest travel time from Seattle to Harrisburg?

Flights connecting via Chicago (ORD) have the shortest average one-way travel time: 6h 36m.

What airlines fly to Harrisburg?

Alaska Airlines, Delta and United Airlines are the top three most popular airlines that fly to Harrisburg from Seattle according to our data. Alaska Airlines is the first choice among our users, with 56% of people opting to fly with this airline when traveling to Harrisburg. Keep in mind that there are 7 different airlines that fly to Harrisburg on a routine basis, so you have a few additional options to choose from.

Which layover airport offers the lowest fares from Seattle to Harrisburg?

Flights via Chicago (ORD) offer the lowest average round-trip price of $447.

Which airport is the most popular layover for flights between Seattle and Harrisburg?

Philadelphia (PHL) was the most common stop: 83% of momondo users choosing 1-stop flights on this route connected there.

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?

The number of operators available for flights from Seattle/Tacoma Intl Airport to Harrisburg Airport is 4 as of February 2026.

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.

$130 Cheap Flights from Seattle to Harrisburg in 2026

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Find the cheapest flights from Seattle to Harrisburg

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:47 pm - 9:32 am

SEA

MDT

7h 45m

1 stop

5:38 am - 10:14 am

MDT

SEA

7h 36m

1 stop

$259American Airlines

Fri, May 1 - Sun, May 3

11:59 pm - 1:55 pm

SEA

MDT

10h 56m

2 stops

2:08 pm - 7:00 pm

MDT

SEA

7h 52m

1 stop

$264United Airlines

Tue, Apr 7 - Tue, Apr 14

7:37 pm - 10:09 am

SEA

MDT

11h 32m

2 stops

2:08 pm - 7:00 pm

MDT

SEA

7h 52m

1 stop

$299United Airlines

Tue, Apr 7 - Tue, Apr 14

10:57 pm - 11:32 am

SEA

MDT

9h 35m

1 stop

6:31 pm - 12:24 am

MDT

SEA

8h 53m

1 stop

$329American Airlines

Mon, Mar 16 - Fri, Mar 27

6:00 am - 4:16 pm

SEA

MDT

7h 16m

1 stop

6:31 pm - 12:24 am

MDT

SEA

8h 53m

1 stop

$339American Airlines

Thu, Mar 5 - Sun, Mar 8

7:10 pm - 9:32 am

SEA

MDT

11h 22m

2 stops

2:02 pm - 7:03 pm

MDT

SEA

8h 01m

1 stop

$353United Airlines

Wed, Mar 18 - Wed, Mar 25

11:59 pm - 1:51 pm

SEA

MDT

10h 52m

2 stops

5:40 pm - 10:45 pm

MDT

SEA

8h 05m

1 stop

$354United Airlines

Fri, Mar 6 - Sun, Mar 22

2:29 pm - 12:25 am

SEA

MDT

6h 56m

1 stop

5:49 pm - 10:42 pm

MDT

SEA

7h 53m

1 stop

$359United Airlines

Wed, Apr 29 - Tue, May 5

2:29 pm - 12:25 am

SEA

MDT

6h 56m

1 stop

2:40 pm - 11:59 pm

MDT

SEA

12h 19m

2 stops

$364United Airlines

Wed, Apr 29 - Sat, May 2

11:59 pm - 1:51 pm

SEA

MDT

10h 52m

2 stops

5:40 pm - 10:45 pm

MDT

SEA

8h 05m

1 stop

$365United Airlines

Mon, Mar 16 - Fri, Mar 27

United Airlines flights from Seattle to Harrisburg

Our best United Airlines deals on Seattle to Harrisburg flight tickets

United Airlines

Apr 7

SEA11:59 pmSeattle/Tacoma Intl

10h 56m

2 stops

MDT1:55 pmHarrisburg

Apr 14

MDT2:08 pmHarrisburg

7h 52m

1 stop

SEA7:00 pmSeattle/Tacoma Intl

$264

United Airlines

Apr 7

SEA7:37 pmSeattle/Tacoma Intl

11h 32m

2 stops

MDT10:09 amHarrisburg

Apr 14

MDT2:08 pmHarrisburg

7h 52m

1 stop

SEA7:00 pmSeattle/Tacoma Intl

$299

United Airlines

Mar 18

SEA7:10 pmSeattle/Tacoma Intl

11h 22m

2 stops

MDT9:32 amHarrisburg

Mar 25

MDT2:02 pmHarrisburg

8h 01m

1 stop

SEA7:03 pmSeattle/Tacoma Intl

$353

American Airlines flights from Seattle to Harrisburg

Our best American Airlines deals on Seattle to Harrisburg flight tickets

American Airlines

May 1

SEA10:47 pmSeattle/Tacoma Intl

7h 45m

1 stop

MDT9:32 amHarrisburg

May 3

MDT5:38 amHarrisburg

7h 36m

1 stop

SEA10:14 amSeattle/Tacoma Intl

$259

American Airlines

Mar 16

SEA10:57 pmSeattle/Tacoma Intl

9h 35m

1 stop

MDT11:32 amHarrisburg

Mar 27

MDT6:31 pmHarrisburg

8h 53m

1 stop

SEA12:24 amSeattle/Tacoma Intl

$329

American Airlines

Mar 5

SEA6:00 amSeattle/Tacoma Intl

7h 16m

1 stop

MDT4:16 pmHarrisburg

Mar 8

MDT6:31 pmHarrisburg

8h 53m

1 stop

SEA12:24 amSeattle/Tacoma Intl

$339

Fly from

Fly to

Route

Depart

Return

Price

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Fri 5/1

10:47 pm-9:32 am

1 stop7h 45m

Harrisburg

Sun 5/3

5:38 am-10:14 am

1 stop7h 36m

$259

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Tue 4/7

11:59 pm-1:55 pm

2 stops10h 56m

Harrisburg

Tue 4/14

2:08 pm-7:00 pm

1 stop7h 52m

$264

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Tue 4/7

7:37 pm-10:09 am

2 stops11h 32m

Harrisburg

Tue 4/14

2:08 pm-7:00 pm

1 stop7h 52m

$299

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Mon 3/16

10:57 pm-11:32 am

1 stop9h 35m

Harrisburg

Fri 3/27

6:31 pm-12:24 am

1 stop8h 53m

$329

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Thu 3/5

6:00 am-4:16 pm

1 stop7h 16m

Harrisburg

Sun 3/8

6:31 pm-12:24 am

1 stop8h 53m

$339

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Wed 3/18

7:10 pm-9:32 am

2 stops11h 22m

Harrisburg

Wed 3/25

2:02 pm-7:03 pm

1 stop8h 01m

$353

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Fri 3/6

11:59 pm-1:51 pm

2 stops10h 52m

Harrisburg

Sun 3/22

5:40 pm-10:45 pm

1 stop8h 05m

$354

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Wed 4/29

2:29 pm-12:25 am

1 stop6h 56m

Harrisburg

Tue 5/5

5:49 pm-10:42 pm

1 stop7h 53m

$359

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Wed 4/29

2:29 pm-12:25 am

1 stop6h 56m

Harrisburg

Sat 5/2

2:40 pm-11:59 pm

2 stops12h 19m

$364

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Mon 3/16

11:59 pm-1:51 pm

2 stops10h 52m

Harrisburg

Fri 3/27

5:40 pm-10:45 pm

1 stop8h 05m

$365

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Layovers

What is the cheapest month to fly to Harrisburg?

The month of November is, on average, the cheapest month to fly to Harrisburg from Seattle, with most prices found around $367. If you aren’t able to travel to Harrisburg during the month of November, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $386.

How have Seattle to Harrisburg flight prices changed over time?

As of February 2026, prices for Seattle to Harrisburg flights are approximately 52% 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 39m
Direct flights	None

The fastest flight from Seattle to Harrisburg takes 6h 39m

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 39m.
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?
The number of operators available for flights from Seattle/Tacoma Intl Airport to Harrisburg Airport is 4 as of February 2026.
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 airline from Seattle to Harrisburg?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Seattle to Harrisburg is American Airlines (50% of total bookings). The next most popular airlines are United Airlines (36%), Delta (9%), and Alaska Airlines (5%).

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
Delta	PriceFrom $193	Free Cancellation	Rating 7.9 8,241 reviews	Search Delta flights
United Airlines	PriceFrom $193	Free Cancellation	Rating 7.4 9,341 reviews	Search United Airlines flights
American Airlines	PriceFrom $286	Free Cancellation	Rating 7.2 11,338 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom $412	Free Cancellation	Rating 8.0 11,928 reviews	Search Alaska Airlines flights

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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.