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.

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 58% of people opting to fly with this airline when traveling to Harrisburg. Keep in mind that there are 5 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 and United Airlines are the most popular carriers operating from Seattle/Tacoma Intl to Harrisburg

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 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 September 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.

$230 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.

6:18 am - 6:13 pmSEA Seattle/Tacoma Intl-MDT Harrisburg

8h 55m1 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

Sat, Oct 3 - Sat, Oct 10

10:48 pm - 10:17 amSEA Seattle/Tacoma Intl-MDT Harrisburg

8h 29m1 stop Philadelphia

6:30 am - 1:35 pmMDT Harrisburg-SEA Seattle/Tacoma Intl

10h 05m1 stop Dallas/Fort Worth

$361American Airlines

Wed, Oct 7 - Wed, Oct 14

11:10 pm - 11:33 amSEA Seattle/Tacoma Intl-MDT Harrisburg

9h 23m1 stop Detroit Metropolitan Wayne County

6:23 pm - 11:57 pmMDT Harrisburg-SEA Seattle/Tacoma Intl

8h 34m1 stop Atlanta Hartsfield-Jackson

$370Delta

Fri, Nov 6 - Tue, Nov 10

12:49 pm - 10:59 pmSEA Seattle/Tacoma Intl-MDT Harrisburg

7h 10m1 stop Philadelphia

6:34 am - 2:20 pmMDT Harrisburg-SEA Seattle/Tacoma Intl

10h 46m1 stop Chicago O'Hare Intl

$370American Airlines

Thu, Oct 29 - Wed, Nov 4

7:25 pm - 9:51 amSEA Seattle/Tacoma Intl-MDT Harrisburg

11h 26m2 stops San Francisco Chicago O'Hare Intl

5:54 pm - 10:56 pmMDT Harrisburg-SEA Seattle/Tacoma Intl

8h 02m1 stop Chicago O'Hare Intl

$375United Airlines

Sat, Oct 3 - Sat, Oct 10

10:42 am - 8:58 pmSEA Seattle/Tacoma Intl-MDT Harrisburg

7h 16m1 stop Chicago O'Hare Intl

2:08 pm - 11:26 pmMDT Harrisburg-SEA Seattle/Tacoma Intl

12h 18m2 stops Chicago O'Hare Intl San Francisco

$384United Airlines

Wed, Sep 23 - Tue, Sep 29

11:05 pm - 11:35 amSEA Seattle/Tacoma Intl-MDT Harrisburg

9h 30m1 stop Detroit Metropolitan Wayne County

6:09 pm - 11:59 pmMDT Harrisburg-SEA Seattle/Tacoma Intl

8h 50m1 stop Atlanta Hartsfield-Jackson

$420Delta

Fri, Oct 2 - Mon, Oct 5

11:05 pm - 11:35 amSEA Seattle/Tacoma Intl-MDT Harrisburg

9h 30m1 stop Detroit Metropolitan Wayne County

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

8h 49m1 stop Atlanta Hartsfield-Jackson

$429Delta

Tue, Sep 22 - Sat, Oct 3

8:32 am - 7:02 pmSEA Seattle/Tacoma Intl-MDT Harrisburg

7h 30m1 stop Philadelphia

6:34 am - 2:31 pmMDT Harrisburg-SEA Seattle/Tacoma Intl

10h 57m2 stops Chicago O'Hare Intl Boise Air Term. Gowen Fld

$665Alaska Airlines

Thu, Nov 5 - Tue, Nov 10

12:16 am - 11:23 amSEA Seattle/Tacoma Intl-MDT Harrisburg

8h 07m1 stop Chicago O'Hare Intl

12:10 pm - 10:33 pmMDT Harrisburg-SEA Seattle/Tacoma Intl

13h 23m2 stops Chicago O'Hare Intl San Diego

$665Alaska Airlines

Sat, Sep 26 - Tue, Oct 6

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United Airlines flights from Seattle to Harrisburg

Our best United Airlines deals on Seattle to Harrisburg flight tickets

United Airlines

Oct 3

SEA7:25 pmSeattle/Tacoma Intl

11h 26m

2 stops

MDT9:51 amHarrisburg

Oct 10

MDT5:54 pmHarrisburg

8h 02m

1 stop

SEA10:56 pmSeattle/Tacoma Intl

$375

United Airlines

Sep 23

SEA10:42 amSeattle/Tacoma Intl

7h 16m

1 stop

MDT8:58 pmHarrisburg

Sep 29

MDT2:08 pmHarrisburg

12h 18m

2 stops

SEA11:26 pmSeattle/Tacoma Intl

$384

United Airlines

Oct 29

SEA7:00 amSeattle/Tacoma Intl

8h 57m

1 stop

MDT6:57 pmHarrisburg

Nov 4

MDT2:10 pmHarrisburg

10h 09m

2 stops

SEA9:19 pmSeattle/Tacoma Intl

$395

American Airlines flights from Seattle to Harrisburg

Our best American Airlines deals on Seattle to Harrisburg flight tickets

American Airlines

Oct 7

SEA10:48 pmSeattle/Tacoma Intl

8h 29m

1 stop

MDT10:17 amHarrisburg

Oct 14

MDT6:30 amHarrisburg

10h 05m

1 stop

SEA1:35 pmSeattle/Tacoma Intl

$361

American Airlines

Oct 29

SEA12:49 pmSeattle/Tacoma Intl

7h 10m

1 stop

MDT10:59 pmHarrisburg

Nov 4

MDT6:34 amHarrisburg

10h 46m

1 stop

SEA2:20 pmSeattle/Tacoma Intl

$370

American Airlines

Nov 5

SEA9:15 amSeattle/Tacoma Intl

8h 44m

1 stop

MDT8:59 pmHarrisburg

Nov 8

MDT6:15 amHarrisburg

8h 19m

1 stop

SEA11:34 amSeattle/Tacoma Intl

$379

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

SeattleHarrisburg

SEA Seattle/Tacoma Intl - MDT Harrisburg

SEAMDT

Seattle/Tacoma Intl

Sat 10/3

6:18 am-6:13 pm

1 stop8h 55m

Harrisburg

Sat 10/10

3:15 pm-8:14 pm

1 stop7h 59m

$361

SeattleHarrisburg

SEA Seattle/Tacoma Intl - MDT Harrisburg

SEAMDT

Seattle/Tacoma Intl

Wed 10/7

10:48 pm-10:17 am

1 stop8h 29m

Harrisburg

Wed 10/14

6:30 am-1:35 pm

1 stop10h 05m

$361

SeattleHarrisburg

SEA Seattle/Tacoma Intl - MDT Harrisburg

SEAMDT

Seattle/Tacoma Intl

Fri 11/6

11:10 pm-11:33 am

1 stop9h 23m

Harrisburg

Tue 11/10

6:23 pm-11:57 pm

1 stop8h 34m

$370

SeattleHarrisburg

SEA Seattle/Tacoma Intl - MDT Harrisburg

SEAMDT

Seattle/Tacoma Intl

Thu 10/29

12:49 pm-10:59 pm

1 stop7h 10m

Harrisburg

Wed 11/4

6:34 am-2:20 pm

1 stop10h 46m

$370

SeattleHarrisburg

SEA Seattle/Tacoma Intl - MDT Harrisburg

SEAMDT

Seattle/Tacoma Intl

Sat 10/3

7:25 pm-9:51 am

2 stops11h 26m

Harrisburg

Sat 10/10

5:54 pm-10:56 pm

1 stop8h 02m

$375

SeattleHarrisburg

SEA Seattle/Tacoma Intl - MDT Harrisburg

SEAMDT

Seattle/Tacoma Intl

Wed 9/23

10:42 am-8:58 pm

1 stop7h 16m

Harrisburg

Tue 9/29

2:08 pm-11:26 pm

2 stops12h 18m

$384

SeattleHarrisburg

SEA Seattle/Tacoma Intl - MDT Harrisburg

SEAMDT

Seattle/Tacoma Intl

Fri 10/2

11:05 pm-11:35 am

1 stop9h 30m

Harrisburg

Mon 10/5

6:09 pm-11:59 pm

1 stop8h 50m

$420

SeattleHarrisburg

SEA Seattle/Tacoma Intl - MDT Harrisburg

SEAMDT

Seattle/Tacoma Intl

Tue 9/22

11:05 pm-11:35 am

1 stop9h 30m

Harrisburg

Sat 10/3

6:09 pm-11:58 pm

1 stop8h 49m

$429

SeattleHarrisburg

SEA Seattle/Tacoma Intl - MDT Harrisburg

SEAMDT

Seattle/Tacoma Intl

Thu 11/5

8:32 am-7:02 pm

1 stop7h 30m

Harrisburg

Tue 11/10

6:34 am-2:31 pm

2 stops10h 57m

$665

SeattleHarrisburg

SEA Seattle/Tacoma Intl - MDT Harrisburg

SEAMDT

Seattle/Tacoma Intl

Sat 9/26

12:16 am-11:23 am

1 stop8h 07m

Harrisburg

Tue 10/6

12:10 pm-10:33 pm

2 stops13h 23m

$665

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 $412 to $498.
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 September 2026, prices for Seattle to Harrisburg flights are approximately 124% 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

Best Price Found	$230
Fastest flight time	7h 06m
Direct flights	None

The best one-way flight to Harrisburg from Seattle in the past 72 hours is $230. The best round-trip flight deal from Seattle to Harrisburg found on momondo in the last 72 hours is $361.

The fastest flight from Seattle to Harrisburg takes 7h 06m

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 7h 06m.
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 September 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 (44% of total bookings). The next most popular airlines are United Airlines (38%), 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 $199	Free Cancellation	Rating 7.8 8,570 reviews	Search Delta flights
American Airlines	PriceFrom $277	Free Cancellation	Rating 7.1 12,050 reviews	Search American Airlines flights
United Airlines	PriceFrom $298	Free Cancellation	Rating 7.4 10,172 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $463	Free Cancellation	Rating 7.9 12,879 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.