What airlines fly to Harrisburg?

Alaska Airlines, United Airlines and American 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.

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

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

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 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.

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

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

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 May 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.

$154 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 $728 to $458. The lowest price recently found on this route was $271.

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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.

11:05 pm - 11:53 am

SEA

MDT

9h 48m

1 stop

12:25 pm - 6:59 pm

MDT

SEA

9h 34m

1 stop

$271Delta

Tue, Oct 20 - Sat, Nov 7

11:05 pm - 11:53 am

SEA

MDT

9h 48m

1 stop

6:25 pm - 12:09 am

MDT

SEA

8h 44m

1 stop

$284Delta

Mon, Oct 19 - Wed, Nov 4

11:04 pm - 9:36 am

SEA

MDT

7h 32m

1 stop

10:35 am - 6:09 pm

MDT

SEA

10h 34m

2 stops

$289United Airlines

Thu, Oct 22 - Sat, Nov 7

11:05 pm - 11:53 am

SEA

MDT

9h 48m

1 stop

12:30 pm - 6:38 pm

MDT

SEA

9h 08m

1 stop

$297Delta

Mon, Oct 19 - Tue, Nov 10

7:35 pm - 9:00 am

SEA

MDT

10h 25m

2 stops

6:30 am - 11:32 am

MDT

SEA

8h 02m

1 stop

$302United Airlines

Wed, Sep 16 - Wed, Sep 23

6:00 am - 7:05 pm

SEA

MDT

10h 05m

1 stop

7:45 pm - 12:52 am

MDT

SEA

8h 07m

1 stop

$311American Airlines

Tue, Jul 14 - Wed, Jul 22

11:59 pm - 12:42 pm

SEA

MDT

9h 43m

1 stop

1:22 pm - 8:52 pm

MDT

SEA

10h 30m

1 stop

$315American Airlines

Thu, Aug 27 - Tue, Sep 1

11:05 pm - 11:53 am

SEA

MDT

9h 48m

1 stop

6:25 pm - 12:09 am

MDT

SEA

8h 44m

1 stop

$328Delta

Mon, Oct 19 - Thu, Nov 5

12:40 pm - 11:12 pm

SEA

MDT

7h 32m

1 stop

6:34 am - 11:40 am

MDT

SEA

8h 06m

1 stop

$333American Airlines

Wed, Oct 7 - Thu, Oct 15

6:00 am - 4:58 pm

SEA

MDT

7h 58m

1 stop

7:08 pm - 12:41 am

MDT

SEA

8h 33m

1 stop

$342American Airlines

Tue, Jun 2 - Tue, Jun 9

American Airlines flights from Seattle to Harrisburg

Our best American Airlines deals on Seattle to Harrisburg flight tickets

American Airlines

Jul 14

SEA6:00 amSeattle/Tacoma Intl

10h 05m

1 stop

MDT7:05 pmHarrisburg

Jul 22

MDT7:45 pmHarrisburg

8h 07m

1 stop

SEA12:52 amSeattle/Tacoma Intl

$311

American Airlines

Aug 27

SEA11:59 pmSeattle/Tacoma Intl

9h 43m

1 stop

MDT12:42 pmHarrisburg

Sep 1

MDT1:22 pmHarrisburg

10h 30m

1 stop

SEA8:52 pmSeattle/Tacoma Intl

$315

American Airlines

Oct 7

SEA12:40 pmSeattle/Tacoma Intl

7h 32m

1 stop

MDT11:12 pmHarrisburg

Oct 15

MDT6:34 amHarrisburg

8h 06m

1 stop

SEA11:40 amSeattle/Tacoma Intl

$333

Alaska Airlines flights from Seattle to Harrisburg

Our best Alaska Airlines deals on Seattle to Harrisburg flight tickets

Alaska Airlines

Jul 14

SEA10:02 pmSeattle/Tacoma Intl

9h 06m

1 stop

MDT10:08 amHarrisburg

Jul 22

MDT5:00 pmHarrisburg

19h 19m

2 stops

SEA9:19 amSeattle/Tacoma Intl

$430

Alaska Airlines

Oct 20

SEA7:01 amSeattle/Tacoma Intl

13h 26m

2 stops

MDT11:27 pmHarrisburg

Nov 10

MDT11:42 amHarrisburg

14h 12m

2 stops

SEA10:54 pmSeattle/Tacoma Intl

$431

Alaska Airlines

Jul 14

SEA9:28 pmSeattle/Tacoma Intl

10h 43m

2 stops

MDT11:11 amHarrisburg

Jul 22

MDT5:00 pmHarrisburg

19h 19m

2 stops

SEA9:19 amSeattle/Tacoma Intl

$435

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Tue 10/20

11:05 pm-11:53 am

1 stop9h 48m

Harrisburg

Sat 11/7

12:25 pm-6:59 pm

1 stop9h 34m

$271

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Mon 10/19

11:05 pm-11:53 am

1 stop9h 48m

Harrisburg

Wed 11/4

6:25 pm-12:09 am

1 stop8h 44m

$284

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Thu 10/22

11:04 pm-9:36 am

1 stop7h 32m

Harrisburg

Sat 11/7

10:35 am-6:09 pm

2 stops10h 34m

$289

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Mon 10/19

11:05 pm-11:53 am

1 stop9h 48m

Harrisburg

Tue 11/10

12:30 pm-6:38 pm

1 stop9h 08m

$297

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Wed 9/16

7:35 pm-9:00 am

2 stops10h 25m

Harrisburg

Wed 9/23

6:30 am-11:32 am

1 stop8h 02m

$302

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Tue 7/14

6:00 am-7:05 pm

1 stop10h 05m

Harrisburg

Wed 7/22

7:45 pm-12:52 am

1 stop8h 07m

$311

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Thu 8/27

11:59 pm-12:42 pm

1 stop9h 43m

Harrisburg

Tue 9/1

1:22 pm-8:52 pm

1 stop10h 30m

$315

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Mon 10/19

11:05 pm-11:53 am

1 stop9h 48m

Harrisburg

Thu 11/5

6:25 pm-12:09 am

1 stop8h 44m

$328

Quickest round-trip

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Wed 10/7

12:40 pm-11:12 pm

1 stop7h 32m

Harrisburg

Thu 10/15

6:34 am-11:40 am

1 stop8h 06m

$333

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Tue 6/2

6:00 am-4:58 pm

1 stop7h 58m

Harrisburg

Tue 6/9

7:08 pm-12:41 am

1 stop8h 33m

$342

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 September is also cheap. Prices for this month can be found on momondo for an average of $412.

How have Seattle to Harrisburg flight prices changed over time?

As of May 2026, prices for Seattle to Harrisburg flights are approximately 25% cheaper 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	7h 00m
Direct flights	None

The fastest flight from Seattle to Harrisburg takes 7h 00m

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 7h 00m.
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 May 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 (53% of total bookings). The next most popular airlines are United Airlines (32%), Alaska Airlines (8%), and Delta (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 $189	Free Cancellation	Rating 7.9 8,451 reviews	Search Delta flights
United Airlines	PriceFrom $193	Free Cancellation	Rating 7.4 9,731 reviews	Search United Airlines flights
American Airlines	PriceFrom $278	Free Cancellation	Rating 7.1 11,654 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom $412	Free Cancellation	Rating 7.9 12,377 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.