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.

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

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

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

United Airlines is the most popular carrier operating from Seattle/Tacoma Intl to Harrisburg

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 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.

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.

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 March 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.

$150 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.

11:33 pm - 11:23 am

SEA

MDT

8h 50m

1 stop

4:39 pm - 10:38 pm

MDT

SEA

8h 59m

1 stop

$299American Airlines

Fri, May 1 - Tue, May 5

2:27 pm - 12:55 am

SEA

MDT

7h 28m

1 stop

5:50 pm - 11:59 pm

MDT

SEA

9h 09m

1 stop

$319United Airlines

Wed, May 20 - Tue, May 26

6:00 am - 4:13 pm

SEA

MDT

7h 13m

1 stop

6:43 pm - 12:36 am

MDT

SEA

8h 53m

1 stop

$339American Airlines

Wed, Apr 1 - Tue, Apr 21

11:41 am - 11:25 pm

SEA

MDT

8h 44m

1 stop

5:38 am - 10:14 am

MDT

SEA

7h 36m

1 stop

$359American Airlines

Fri, Apr 10 - Fri, Apr 17

11:16 am - 11:52 pm

SEA

MDT

9h 36m

1 stop

2:20 pm - 9:18 pm

MDT

SEA

9h 58m

1 stop

$379American Airlines

Tue, May 19 - Mon, May 25

10:40 pm - 9:36 am

SEA

MDT

7h 56m

1 stop

5:50 pm - 10:39 pm

MDT

SEA

7h 49m

1 stop

$387United Airlines

Fri, May 29 - Sat, May 30

10:57 pm - 9:26 am

SEA

MDT

7h 29m

1 stop

6:31 pm - 11:13 pm

MDT

SEA

7h 42m

1 stop

$399American Airlines

Fri, Mar 27 - Thu, Apr 2

10:41 pm - 9:44 am

SEA

MDT

8h 03m

1 stop

6:15 am - 2:36 pm

MDT

SEA

11h 21m

2 stops

$404United Airlines

Fri, May 1 - Tue, May 5

7:36 pm - 10:07 am

SEA

MDT

11h 31m

2 stops

6:15 am - 6:00 pm

MDT

SEA

14h 45m

2 stops

$409United Airlines

Fri, May 1 - Tue, May 5

11:20 pm - 9:40 am

SEA

MDT

7h 20m

1 stop

5:50 pm - 11:59 pm

MDT

SEA

9h 09m

1 stop

$422United Airlines

Thu, Jun 18 - Sun, Jul 26

United Airlines flights from Seattle to Harrisburg

Our best United Airlines deals on Seattle to Harrisburg flight tickets

United Airlines

May 20

SEA2:27 pmSeattle/Tacoma Intl

7h 28m

1 stop

MDT12:55 amHarrisburg

May 26

MDT5:50 pmHarrisburg

9h 09m

1 stop

SEA11:59 pmSeattle/Tacoma Intl

$319

United Airlines

May 29

SEA10:40 pmSeattle/Tacoma Intl

7h 56m

1 stop

MDT9:36 amHarrisburg

May 30

MDT5:50 pmHarrisburg

7h 49m

1 stop

SEA10:39 pmSeattle/Tacoma Intl

$387

United Airlines

Mar 30

SEA11:59 pmSeattle/Tacoma Intl

10h 56m

2 stops

MDT1:55 pmHarrisburg

Apr 3

MDT2:41 pmHarrisburg

9h 12m

1 stop

SEA8:53 pmSeattle/Tacoma Intl

$404

American Airlines flights from Seattle to Harrisburg

Our best American Airlines deals on Seattle to Harrisburg flight tickets

American Airlines

May 1

SEA11:33 pmSeattle/Tacoma Intl

8h 50m

1 stop

MDT11:23 amHarrisburg

May 5

MDT4:39 pmHarrisburg

8h 59m

1 stop

SEA10:38 pmSeattle/Tacoma Intl

$299

American Airlines

Apr 1

SEA6:00 amSeattle/Tacoma Intl

7h 13m

1 stop

MDT4:13 pmHarrisburg

Apr 21

MDT6:43 pmHarrisburg

8h 53m

1 stop

SEA12:36 amSeattle/Tacoma Intl

$339

American Airlines

Apr 10

SEA11:41 amSeattle/Tacoma Intl

8h 44m

1 stop

MDT11:25 pmHarrisburg

Apr 17

MDT5:38 amHarrisburg

7h 36m

1 stop

SEA10:14 amSeattle/Tacoma Intl

$359

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Fri 5/1

11:33 pm-11:23 am

1 stop8h 50m

Harrisburg

Tue 5/5

4:39 pm-10:38 pm

1 stop8h 59m

$299

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Wed 5/20

2:27 pm-12:55 am

1 stop7h 28m

Harrisburg

Tue 5/26

5:50 pm-11:59 pm

1 stop9h 09m

$319

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Wed 4/1

6:00 am-4:13 pm

1 stop7h 13m

Harrisburg

Tue 4/21

6:43 pm-12:36 am

1 stop8h 53m

$339

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Fri 4/10

11:41 am-11:25 pm

1 stop8h 44m

Harrisburg

Fri 4/17

5:38 am-10:14 am

1 stop7h 36m

$359

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Tue 5/19

11:16 am-11:52 pm

1 stop9h 36m

Harrisburg

Mon 5/25

2:20 pm-9:18 pm

1 stop9h 58m

$379

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Fri 5/29

10:40 pm-9:36 am

1 stop7h 56m

Harrisburg

Sat 5/30

5:50 pm-10:39 pm

1 stop7h 49m

$387

Quickest round-trip

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Fri 3/27

10:57 pm-9:26 am

1 stop7h 29m

Harrisburg

Thu 4/2

6:31 pm-11:13 pm

1 stop7h 42m

$399

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Fri 5/1

10:41 pm-9:44 am

1 stop8h 03m

Harrisburg

Tue 5/5

6:15 am-2:36 pm

2 stops11h 21m

$404

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Fri 5/1

7:36 pm-10:07 am

2 stops11h 31m

Harrisburg

Tue 5/5

6:15 am-6:00 pm

2 stops14h 45m

$409

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Thu 6/18

11:20 pm-9:40 am

1 stop7h 20m

Harrisburg

Sun 7/26

5:50 pm-11:59 pm

1 stop9h 09m

$422

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 March 2026, prices for Seattle to Harrisburg flights are approximately 64% 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.

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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?
The number of operators available for flights from Seattle/Tacoma Intl Airport to Harrisburg Airport is 4 as of March 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 (49% of total bookings). The next most popular airlines are United Airlines (37%), Delta (9%), and Alaska Airlines (6%).

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 8,294 reviews	Search Delta flights
United Airlines	PriceFrom $193	Free Cancellation	Rating 7.4 9,429 reviews	Search United Airlines flights
American Airlines	PriceFrom $259	Free Cancellation	Rating 7.1 11,466 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom $412	Free Cancellation	Rating 7.9 12,052 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.