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

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

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 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 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 59% 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 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 April 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.

$149 Cheap Flights from Seattle to Harrisburg in 2026

Q: What is the typical price of a round-trip flight between Seattle and Harrisburg?

Prices are currently low for flights on this route. Typical prices usually range from $588 to $390. The lowest price recently found on this route was $261.

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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.

1:17 am - 10:56 am

SEA

MDT

6h 39m

1 stop

5:18 pm - 10:51 pm

MDT

SEA

8h 33m

1 stop

$261American Airlines

Tue, Oct 20 - Sat, Oct 24

11:00 am - 9:20 pm

SEA

MDT

7h 20m

1 stop

2:30 pm - 9:12 pm

MDT

SEA

9h 42m

2 stops

$266United Airlines

Wed, Oct 21 - Wed, Oct 28

5:30 am - 4:17 pm

SEA

MDT

7h 47m

1 stop

5:00 pm - 10:48 pm

MDT

SEA

8h 48m

1 stop

$279Delta

Sat, May 16 - Sat, May 23

10:47 pm - 9:32 am

SEA

MDT

7h 45m

1 stop

7:17 pm - 12:16 am

MDT

SEA

7h 59m

1 stop

$280American Airlines

Mon, May 18 - Wed, May 27

7:40 am - 6:44 pm

SEA

MDT

8h 04m

1 stop

5:50 pm - 11:59 pm

MDT

SEA

9h 09m

1 stop

$293United Airlines

Wed, Jun 3 - Tue, Jun 9

7:40 am - 6:44 pm

SEA

MDT

8h 04m

1 stop

5:50 pm - 11:59 pm

MDT

SEA

9h 09m

1 stop

$294United Airlines

Wed, Jun 3 - Tue, Jun 9

11:50 pm - 9:55 am

SEA

MDT

7h 05m

1 stop

10:30 am - 5:46 pm

MDT

SEA

10h 16m

2 stops

$298United Airlines

Wed, Oct 21 - Sat, Oct 24

10:23 am - 10:42 pm

SEA

MDT

9h 19m

1 stop

7:17 pm - 12:16 am

MDT

SEA

7h 59m

1 stop

$306American Airlines

Wed, Jun 3 - Tue, Jun 9

10:47 pm - 9:32 am

SEA

MDT

7h 45m

1 stop

7:17 pm - 12:16 am

MDT

SEA

7h 59m

1 stop

$324American Airlines

Tue, May 19 - Tue, May 26

11:52 pm - 9:44 am

SEA

MDT

6h 52m

1 stop

5:53 pm - 10:42 pm

MDT

SEA

7h 49m

1 stop

$345United Airlines

Mon, Jul 27 - Tue, Sep 1

United Airlines flights from Seattle to Harrisburg

Our best United Airlines deals on Seattle to Harrisburg flight tickets

United Airlines

Oct 21

SEA11:00 amSeattle/Tacoma Intl

7h 20m

1 stop

MDT9:20 pmHarrisburg

Oct 28

MDT2:30 pmHarrisburg

9h 42m

2 stops

SEA9:12 pmSeattle/Tacoma Intl

$266

United Airlines

Jun 3

SEA7:40 amSeattle/Tacoma Intl

8h 04m

1 stop

MDT6:44 pmHarrisburg

Jun 9

MDT5:50 pmHarrisburg

9h 09m

1 stop

SEA11:59 pmSeattle/Tacoma Intl

$293

United Airlines

Jun 3

SEA7:40 amSeattle/Tacoma Intl

8h 04m

1 stop

MDT6:44 pmHarrisburg

Jun 9

MDT5:50 pmHarrisburg

9h 09m

1 stop

SEA11:59 pmSeattle/Tacoma Intl

$294

American Airlines flights from Seattle to Harrisburg

Our best American Airlines deals on Seattle to Harrisburg flight tickets

American Airlines

Oct 20

SEA1:17 amSeattle/Tacoma Intl

6h 39m

1 stop

MDT10:56 amHarrisburg

Oct 24

MDT5:18 pmHarrisburg

8h 33m

1 stop

SEA10:51 pmSeattle/Tacoma Intl

$261

American Airlines

May 18

SEA10:47 pmSeattle/Tacoma Intl

7h 45m

1 stop

MDT9:32 amHarrisburg

May 27

MDT7:17 pmHarrisburg

7h 59m

1 stop

SEA12:16 amSeattle/Tacoma Intl

$280

American Airlines

Jun 3

SEA10:23 amSeattle/Tacoma Intl

9h 19m

1 stop

MDT10:42 pmHarrisburg

Jun 9

MDT7:17 pmHarrisburg

7h 59m

1 stop

SEA12:16 amSeattle/Tacoma Intl

$306

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Tue 10/20

1:17 am-10:56 am

1 stop6h 39m

Harrisburg

Sat 10/24

5:18 pm-10:51 pm

1 stop8h 33m

$261

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Wed 10/21

11:00 am-9:20 pm

1 stop7h 20m

Harrisburg

Wed 10/28

2:30 pm-9:12 pm

2 stops9h 42m

$266

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Sat 5/16

5:30 am-4:17 pm

1 stop7h 47m

Harrisburg

Sat 5/23

5:00 pm-10:48 pm

1 stop8h 48m

$279

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Mon 5/18

10:47 pm-9:32 am

1 stop7h 45m

Harrisburg

Wed 5/27

7:17 pm-12:16 am

1 stop7h 59m

$280

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Wed 6/3

7:40 am-6:44 pm

1 stop8h 04m

Harrisburg

Tue 6/9

5:50 pm-11:59 pm

1 stop9h 09m

$293

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Wed 6/3

7:40 am-6:44 pm

1 stop8h 04m

Harrisburg

Tue 6/9

5:50 pm-11:59 pm

1 stop9h 09m

$294

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Wed 10/21

11:50 pm-9:55 am

1 stop7h 05m

Harrisburg

Sat 10/24

10:30 am-5:46 pm

2 stops10h 16m

$298

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Wed 6/3

10:23 am-10:42 pm

1 stop9h 19m

Harrisburg

Tue 6/9

7:17 pm-12:16 am

1 stop7h 59m

$306

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Tue 5/19

10:47 pm-9:32 am

1 stop7h 45m

Harrisburg

Tue 5/26

7:17 pm-12:16 am

1 stop7h 59m

$324

Quickest round-trip

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Mon 7/27

11:52 pm-9:44 am

1 stop6h 52m

Harrisburg

Tue 9/1

5:53 pm-10:42 pm

1 stop7h 49m

$345

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 typical price of a round-trip flight between Seattle and Harrisburg?

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 $398.

How have Seattle to Harrisburg flight prices changed over time?

As of April 2026, prices for Seattle to Harrisburg flights are approximately 6% 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 38m
Direct flights	None

The fastest flight from Seattle to Harrisburg takes 6h 38m

There are no direct flights from Seattle to Harrisburg. There are no popular flight routes from Seattle to Harrisburg.

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Frequently asked questions about flying from Seattle to Harrisburg

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 38m.
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 April 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 (52% of total bookings). The next most popular airlines are United Airlines (32%), Delta (10%), and Alaska Airlines (7%).

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 8,452 reviews	Search Delta flights
United Airlines	PriceFrom $193	Free Cancellation	Rating 7.4 9,643 reviews	Search United Airlines flights
American Airlines	PriceFrom $277	Free Cancellation	Rating 7.1 11,667 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom $412	Free Cancellation	Rating 7.9 12,280 reviews	Search Alaska Airlines flights

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.