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

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 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.

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.

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 $279.

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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.

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

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

2:15 pm - 12:39 am

SEA

MDT

7h 24m

1 stop

10:35 am - 3:35 pm

MDT

SEA

8h 00m

1 stop

$297United Airlines

Wed, Oct 14 - Fri, Oct 16

11:11 am - 12:39 am

SEA

MDT

10h 28m

2 stops

10:35 am - 3:35 pm

MDT

SEA

8h 00m

1 stop

$302United Airlines

Wed, Oct 14 - Fri, Oct 16

11:58 pm - 11:07 am

SEA

MDT

8h 09m

1 stop

7:17 pm - 12:24 am

MDT

SEA

8h 07m

1 stop

$306American Airlines

Tue, May 26 - Sat, May 30

7:00 am - 6:45 pm

SEA

MDT

8h 45m

1 stop

5:54 pm - 10:47 pm

MDT

SEA

7h 53m

1 stop

$347United Airlines

Sat, May 2 - Sat, May 9

10:47 pm - 9:32 am

SEA

MDT

7h 45m

1 stop

6:43 pm - 12:36 am

MDT

SEA

8h 53m

1 stop

$348American Airlines

Thu, Apr 30 - Fri, May 8

10:47 pm - 9:31 am

SEA

MDT

7h 44m

1 stop

5:53 pm - 10:42 pm

MDT

SEA

7h 49m

1 stop

$349United Airlines

Wed, Aug 12 - Tue, Aug 18

6:00 am - 6:37 pm

SEA

MDT

9h 37m

1 stop

7:17 pm - 12:24 am

MDT

SEA

8h 07m

1 stop

$351American Airlines

Sun, May 24 - Sat, May 30

6:00 am - 4:15 pm

SEA

MDT

7h 15m

1 stop

5:00 pm - 11:35 pm

MDT

SEA

9h 35m

1 stop

$354American Airlines

Tue, Jul 7 - Wed, Jul 15

Delta flights from Seattle to Harrisburg

Our best Delta deals on Seattle to Harrisburg flight tickets

Delta

May 16

SEA5:30 amSeattle/Tacoma Intl

7h 47m

1 stop

MDT4:17 pmHarrisburg

May 23

MDT5:00 pmHarrisburg

8h 48m

1 stop

SEA10:48 pmSeattle/Tacoma Intl

$279

Delta

Apr 22

SEA1:24 pmSeattle/Tacoma Intl

6h 39m

1 stop

MDT11:03 pmHarrisburg

May 1

MDT6:19 pmHarrisburg

8h 34m

1 stop

SEA11:53 pmSeattle/Tacoma Intl

$424

Delta

Jun 11

SEA11:59 pmSeattle/Tacoma Intl

8h 12m

1 stop

MDT11:11 amHarrisburg

Jun 15

MDT5:34 pmHarrisburg

8h 00m

1 stop

SEA10:34 pmSeattle/Tacoma Intl

$480

United Airlines flights from Seattle to Harrisburg

Our best United Airlines deals on Seattle to Harrisburg flight tickets

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

United Airlines

Oct 14

SEA2:15 pmSeattle/Tacoma Intl

7h 24m

1 stop

MDT12:39 amHarrisburg

Oct 16

MDT10:35 amHarrisburg

8h 00m

1 stop

SEA3:35 pmSeattle/Tacoma Intl

$297

United Airlines

Oct 14

SEA11:11 amSeattle/Tacoma Intl

10h 28m

2 stops

MDT12:39 amHarrisburg

Oct 16

MDT10:35 amHarrisburg

8h 00m

1 stop

SEA3:35 pmSeattle/Tacoma Intl

$302

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

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

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

Quickest round-trip

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Wed 10/14

2:15 pm-12:39 am

1 stop7h 24m

Harrisburg

Fri 10/16

10:35 am-3:35 pm

1 stop8h 00m

$297

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Wed 10/14

11:11 am-12:39 am

2 stops10h 28m

Harrisburg

Fri 10/16

10:35 am-3:35 pm

1 stop8h 00m

$302

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Tue 5/26

11:58 pm-11:07 am

1 stop8h 09m

Harrisburg

Sat 5/30

7:17 pm-12:24 am

1 stop8h 07m

$306

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Sat 5/2

7:00 am-6:45 pm

1 stop8h 45m

Harrisburg

Sat 5/9

5:54 pm-10:47 pm

1 stop7h 53m

$347

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Thu 4/30

10:47 pm-9:32 am

1 stop7h 45m

Harrisburg

Fri 5/8

6:43 pm-12:36 am

1 stop8h 53m

$348

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Wed 8/12

10:47 pm-9:31 am

1 stop7h 44m

Harrisburg

Tue 8/18

5:53 pm-10:42 pm

1 stop7h 49m

$349

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Sun 5/24

6:00 am-6:37 pm

1 stop9h 37m

Harrisburg

Sat 5/30

7:17 pm-12:24 am

1 stop8h 07m

$351

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Tue 7/7

6:00 am-4:15 pm

1 stop7h 15m

Harrisburg

Wed 7/15

5:00 pm-11:35 pm

1 stop9h 35m

$354

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 8,424 reviews	Search Delta flights
United Airlines	PriceFrom $193	Free Cancellation	Rating 7.4 9,608 reviews	Search United Airlines flights
American Airlines	PriceFrom $277	Free Cancellation	Rating 7.1 11,629 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom $412	Free Cancellation	Rating 7.9 12,265 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.