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 has the shortest connection time from Seattle to Harrisburg?

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

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 57% of people opting to fly with this airline when traveling to Harrisburg. Keep in mind that there are 6 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.

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

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 August 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.

$252 Cheap Flights from Seattle to Harrisburg in 2026

Discover deals from 900+ travel sites with momondo.

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.

11:10 pm - 11:41 amSEA Seattle/Tacoma Intl-MDT Harrisburg

9h 31m1 stop Detroit Metropolitan Wayne County

6:09 pm - 11:58 pmMDT Harrisburg-SEA Seattle/Tacoma Intl

8h 49m1 stop Atlanta Hartsfield-Jackson

$361Delta

Sat, Sep 5 - Sat, Sep 12

12:40 pm - 11:11 pmSEA Seattle/Tacoma Intl-MDT Harrisburg

7h 31m1 stop Philadelphia

6:54 pm - 12:11 amMDT Harrisburg-SEA Seattle/Tacoma Intl

8h 17m1 stop Chicago O'Hare Intl

$361American Airlines

Thu, Oct 1 - Sun, Oct 4

11:57 pm - 11:23 amSEA Seattle/Tacoma Intl-MDT Harrisburg

8h 26m1 stop Chicago O'Hare Intl

3:15 pm - 8:14 pmMDT Harrisburg-SEA Seattle/Tacoma Intl

7h 59m1 stop Chicago O'Hare Intl

$361American Airlines

Wed, Sep 30 - Sat, Oct 17

1:27 pm - 12:24 amSEA Seattle/Tacoma Intl-MDT Harrisburg

7h 57m1 stop Charlotte Douglas

3:11 pm - 8:15 pmMDT Harrisburg-SEA Seattle/Tacoma Intl

8h 04m1 stop Chicago O'Hare Intl

$361American Airlines

Wed, Oct 14 - Fri, Oct 16

7:00 am - 4:52 pmSEA Seattle/Tacoma Intl-MDT Harrisburg

6h 52m1 stop Chicago O'Hare Intl

2:55 pm - 10:56 pmMDT Harrisburg-SEA Seattle/Tacoma Intl

11h 01m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl

$366United Airlines

Wed, Sep 30 - Sat, Oct 17

11:00 pm - 9:51 amSEA Seattle/Tacoma Intl-MDT Harrisburg

7h 51m1 stop Chicago O'Hare Intl

5:54 pm - 10:45 pmMDT Harrisburg-SEA Seattle/Tacoma Intl

7h 51m1 stop Chicago O'Hare Intl

$370United Airlines

Mon, Aug 31 - Tue, Sep 8

11:10 pm - 11:31 amSEA Seattle/Tacoma Intl-MDT Harrisburg

9h 21m1 stop Detroit Metropolitan Wayne County

5:05 pm - 10:05 pmMDT Harrisburg-SEA Seattle/Tacoma Intl

8h 00m1 stop Detroit Metropolitan Wayne County

$370Delta

Fri, Nov 6 - Tue, Nov 10

11:10 pm - 11:31 amSEA Seattle/Tacoma Intl-MDT Harrisburg

9h 21m1 stop Detroit Metropolitan Wayne County

2:56 pm - 10:03 pmMDT Harrisburg-SEA Seattle/Tacoma Intl

10h 07m1 stop Atlanta Hartsfield-Jackson

$370Delta

Fri, Oct 23 - Tue, Oct 27

9:58 am - 10:17 pmSEA Seattle/Tacoma Intl-MDT Harrisburg

9h 19m2 stops Boise Air Term. Gowen Fld Chicago O'Hare Intl

6:08 am - 4:47 pmMDT Harrisburg-SEA Seattle/Tacoma Intl

13h 39m2 stops Chicago O'Hare Intl San Diego

$670Alaska Airlines

Thu, Nov 19 - Wed, Dec 2

9:59 pm - 7:28 pmSEA Seattle/Tacoma Intl-MDT Harrisburg

18h 29m2 stops Portland Chicago O'Hare Intl

3:15 pm - 9:28 amMDT Harrisburg-SEA Seattle/Tacoma Intl

21h 13m2 stops Chicago O'Hare Intl San Diego

$670Alaska Airlines

Tue, Nov 3 - Fri, Nov 6

Cheap last minute flights

Enter your travel dates to find the best prices.

11:00 pm - 9:51 amSEA Seattle/Tacoma Intl-MDT Harrisburg

7h 51m1 stop Chicago O'Hare Intl

6:30 am - 2:24 pmMDT Harrisburg-SEA Seattle/Tacoma Intl

10h 54m2 stops Chicago O'Hare Intl San Francisco

$525United Airlines

Fri, Aug 14 - Sun, Aug 23

11:00 pm - 9:51 amSEA Seattle/Tacoma Intl-MDT Harrisburg

7h 51m1 stop Chicago O'Hare Intl

5:54 pm - 10:43 pmMDT Harrisburg-SEA Seattle/Tacoma Intl

7h 49m1 stop Chicago O'Hare Intl

$531United Airlines

Fri, Aug 14 - Sun, Aug 23

5:50 am - 6:50 pmSEA Seattle/Tacoma Intl-MDT Harrisburg

10h 00m1 stop Chicago O'Hare Intl

2:45 pm - 9:59 pmMDT Harrisburg-SEA Seattle/Tacoma Intl

10h 14m1 stop Charlotte Douglas

$563American Airlines

Thu, Aug 13 - Mon, Aug 17

7:35 pm - 9:37 amSEA Seattle/Tacoma Intl-MDT Harrisburg

11h 02m2 stops San Francisco Washington, D.C. Dulles Intl

6:30 am - 11:32 amMDT Harrisburg-SEA Seattle/Tacoma Intl

8h 02m1 stop Chicago O'Hare Intl

$571United Airlines

Thu, Aug 13 - Mon, Aug 17

11:00 pm - 9:51 amSEA Seattle/Tacoma Intl-MDT Harrisburg

7h 51m1 stop Chicago O'Hare Intl

6:37 am - 2:24 pmMDT Harrisburg-SEA Seattle/Tacoma Intl

10h 47m2 stops Washington, D.C. Dulles Intl San Francisco

$571United Airlines

Fri, Aug 14 - Sun, Aug 23

11:56 pm - 12:45 pmSEA Seattle/Tacoma Intl-MDT Harrisburg

9h 49m1 stop Chicago O'Hare Intl

10:02 am - 5:52 pmMDT Harrisburg-SEA Seattle/Tacoma Intl

10h 50m1 stop Charlotte Douglas

$593American Airlines

Fri, Aug 14 - Sun, Aug 23

6:15 pm - 9:37 amSEA Seattle/Tacoma Intl-MDT Harrisburg

12h 22m2 stops Denver Intl Washington, D.C. Dulles Intl

6:30 am - 2:24 pmMDT Harrisburg-SEA Seattle/Tacoma Intl

10h 54m2 stops Chicago O'Hare Intl San Francisco

$651United Airlines

Thu, Aug 13 - Mon, Aug 17

10:58 pm - 2:03 pmSEA Seattle/Tacoma Intl-MDT Harrisburg

12h 05m2 stops Newark Washington, D.C. Reagan-National

6:30 am - 2:24 pmMDT Harrisburg-SEA Seattle/Tacoma Intl

10h 54m2 stops Chicago O'Hare Intl San Francisco

$651United Airlines

Fri, Aug 14 - Sun, Aug 23

11:04 pm - 9:37 amSEA Seattle/Tacoma Intl-MDT Harrisburg

7h 33m1 stop Washington, D.C. Dulles Intl

5:54 pm - 10:43 pmMDT Harrisburg-SEA Seattle/Tacoma Intl

7h 49m1 stop Chicago O'Hare Intl

$874United Airlines

Thu, Aug 13 - Mon, Aug 17

8:40 am - 8:53 pmSEA Seattle/Tacoma Intl-MDT Harrisburg

9h 13m2 stops Denver Intl Chicago O'Hare Intl

6:37 am - 1:22 pmMDT Harrisburg-SEA Seattle/Tacoma Intl

9h 45m2 stops Washington, D.C. Dulles Intl Denver Intl

$1,316United Airlines

Fri, Aug 14 - Sun, Aug 23

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American Airlines flights from Seattle to Harrisburg

Our best American Airlines deals on Seattle to Harrisburg flight tickets

American Airlines

Sep 12

SEA6:18 amSeattle/Tacoma Intl

8h 55m

1 stop

MDT6:13 pmHarrisburg

Sep 19

MDT6:54 pmHarrisburg

8h 17m

1 stop

SEA12:11 amSeattle/Tacoma Intl

$362

American Airlines

Sep 25

SEA10:45 pmSeattle/Tacoma Intl

8h 51m

1 stop

MDT10:36 amHarrisburg

Sep 27

MDT6:29 amHarrisburg

9h 50m

1 stop

SEA1:19 pmSeattle/Tacoma Intl

$379

American Airlines

Aug 31

SEA11:56 pmSeattle/Tacoma Intl

9h 49m

1 stop

MDT12:45 pmHarrisburg

Sep 9

MDT6:54 pmHarrisburg

8h 28m

1 stop

SEA12:22 amSeattle/Tacoma Intl

$400

United Airlines flights from Seattle to Harrisburg

Our best United Airlines deals on Seattle to Harrisburg flight tickets

United Airlines

Sep 30

SEA7:00 amSeattle/Tacoma Intl

6h 52m

1 stop

MDT4:52 pmHarrisburg

Oct 17

MDT2:55 pmHarrisburg

11h 01m

2 stops

SEA10:56 pmSeattle/Tacoma Intl

$366

United Airlines

Aug 31

SEA11:00 pmSeattle/Tacoma Intl

7h 51m

1 stop

MDT9:51 amHarrisburg

Sep 8

MDT5:54 pmHarrisburg

7h 51m

1 stop

SEA10:45 pmSeattle/Tacoma Intl

$370

United Airlines

Sep 1

SEA9:05 amSeattle/Tacoma Intl

11h 25m

2 stops

MDT11:30 pmHarrisburg

Sep 8

MDT5:54 pmHarrisburg

7h 51m

1 stop

SEA10:45 pmSeattle/Tacoma Intl

$375

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleHarrisburg

SEA Seattle/Tacoma Intl - MDT Harrisburg

SEAMDT

Seattle/Tacoma Intl

Sat 9/5

11:10 pm-11:41 am

1 stop9h 31m

Harrisburg

Sat 9/12

6:09 pm-11:58 pm

1 stop8h 49m

$361

SeattleHarrisburg

SEA Seattle/Tacoma Intl - MDT Harrisburg

SEAMDT

Seattle/Tacoma Intl

Thu 10/1

12:40 pm-11:11 pm

1 stop7h 31m

Harrisburg

Sun 10/4

6:54 pm-12:11 am

1 stop8h 17m

$361

SeattleHarrisburg

SEA Seattle/Tacoma Intl - MDT Harrisburg

SEAMDT

Seattle/Tacoma Intl

Wed 9/30

11:57 pm-11:23 am

1 stop8h 26m

Harrisburg

Sat 10/17

3:15 pm-8:14 pm

1 stop7h 59m

$361

SeattleHarrisburg

SEA Seattle/Tacoma Intl - MDT Harrisburg

SEAMDT

Seattle/Tacoma Intl

Wed 10/14

1:27 pm-12:24 am

1 stop7h 57m

Harrisburg

Fri 10/16

3:11 pm-8:15 pm

1 stop8h 04m

$361

SeattleHarrisburg

SEA Seattle/Tacoma Intl - MDT Harrisburg

SEAMDT

Seattle/Tacoma Intl

Wed 9/30

7:00 am-4:52 pm

1 stop6h 52m

Harrisburg

Sat 10/17

2:55 pm-10:56 pm

2 stops11h 01m

$366

Quickest round-trip

SeattleHarrisburg

SEA Seattle/Tacoma Intl - MDT Harrisburg

SEAMDT

Seattle/Tacoma Intl

Mon 8/31

11:00 pm-9:51 am

1 stop7h 51m

Harrisburg

Tue 9/8

5:54 pm-10:45 pm

1 stop7h 51m

$370

SeattleHarrisburg

SEA Seattle/Tacoma Intl - MDT Harrisburg

SEAMDT

Seattle/Tacoma Intl

Fri 11/6

11:10 pm-11:31 am

1 stop9h 21m

Harrisburg

Tue 11/10

5:05 pm-10:05 pm

1 stop8h 00m

$370

SeattleHarrisburg

SEA Seattle/Tacoma Intl - MDT Harrisburg

SEAMDT

Seattle/Tacoma Intl

Fri 10/23

11:10 pm-11:31 am

1 stop9h 21m

Harrisburg

Tue 10/27

2:56 pm-10:03 pm

1 stop10h 07m

$370

SeattleHarrisburg

SEA Seattle/Tacoma Intl - MDT Harrisburg

SEAMDT

Seattle/Tacoma Intl

Thu 11/19

9:58 am-10:17 pm

2 stops9h 19m

Harrisburg

Wed 12/2

6:08 am-4:47 pm

2 stops13h 39m

$670

SeattleHarrisburg

SEA Seattle/Tacoma Intl - MDT Harrisburg

SEAMDT

Seattle/Tacoma Intl

Tue 11/3

9:59 pm-7:28 pm

2 stops18h 29m

Harrisburg

Fri 11/6

3:15 pm-9:28 am

2 stops21h 13m

$670

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?

Prices are currently low for flights on this route.

Typical prices usually range from $442 to $595.
The lowest price recently found on this route was $361.

What is the cheapest month to fly to Harrisburg?

The month of April is, on average, the cheapest month to fly to Harrisburg from Seattle, with most prices found around $418. If you aren’t able to travel to Harrisburg during the month of April, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $427.

How have Seattle to Harrisburg flight prices changed over time?

As of August 2026, prices for Seattle to Harrisburg flights are approximately 25% 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 46m
Direct flights	None

The fastest flight from Seattle to Harrisburg takes 6h 46m

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

Search flight deals

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 46m.
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 August 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 (48% of total bookings). The next most popular airlines are United Airlines (33%), Alaska Airlines (12%), 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 $193	Free Cancellation	Rating 7.8 8,497 reviews	Search Delta flights
American Airlines	PriceFrom $277	Free Cancellation	Rating 7.1 11,897 reviews	Search American Airlines flights
United Airlines	PriceFrom $298	Free Cancellation	Rating 7.4 10,097 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $463	Free Cancellation	Rating 7.9 12,790 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.