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 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 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 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 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 3 as of July 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.

$256 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 $483 to $918. The lowest price recently found on this route was $360.

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.

11:00 pm - 9:51 am

SEA

MDT

7h 51m

1 stop

5:54 pm - 10:45 pm

MDT

SEA

7h 51m

1 stop

$360United Airlines

Mon, Aug 31 - Fri, Sep 11

7:35 pm - 9:51 am

SEA

MDT

11h 16m

2 stops

5:54 pm - 10:45 pm

MDT

SEA

7h 51m

1 stop

$365United Airlines

Mon, Aug 31 - Fri, Sep 11

5:50 am - 6:50 pm

SEA

MDT

10h 00m

1 stop

11:17 am - 6:37 pm

MDT

SEA

10h 20m

1 stop

$369American Airlines

Mon, Aug 31 - Fri, Sep 11

5:50 am - 6:50 pm

SEA

MDT

10h 00m

1 stop

2:45 pm - 9:59 pm

MDT

SEA

10h 14m

1 stop

$390American Airlines

Thu, Aug 13 - Thu, Aug 27

5:50 am - 6:50 pm

SEA

MDT

10h 00m

1 stop

1:25 pm - 8:52 pm

MDT

SEA

10h 27m

1 stop

$436American Airlines

Thu, Aug 20 - Wed, Aug 26

11:56 pm - 12:45 pm

SEA

MDT

9h 49m

1 stop

1:25 pm - 8:52 pm

MDT

SEA

10h 27m

1 stop

$445American Airlines

Thu, Aug 20 - Mon, Aug 24

7:00 am - 4:52 pm

SEA

MDT

6h 52m

1 stop

2:55 pm - 8:37 pm

MDT

SEA

8h 42m

1 stop

$461United Airlines

Tue, Oct 20 - Sat, Oct 24

11:13 pm - 9:51 am

SEA

MDT

7h 38m

1 stop

2:55 pm - 10:56 pm

MDT

SEA

11h 01m

2 stops

$466United Airlines

Tue, Oct 20 - Sat, Oct 24

11:00 pm - 9:51 am

SEA

MDT

7h 51m

1 stop

2:17 pm - 9:31 pm

MDT

SEA

10h 14m

2 stops

$467United Airlines

Sat, Aug 29 - Sat, Sep 5

10:58 pm - 1:59 pm

SEA

MDT

12h 01m

2 stops

2:55 pm - 10:56 pm

MDT

SEA

11h 01m

2 stops

$472United Airlines

Tue, Oct 20 - Sat, Oct 24

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Alaska Airlines flights from Seattle to Harrisburg

Our best Alaska Airlines deals on Seattle to Harrisburg flight tickets

Alaska Airlines

Aug 18

SEA6:00 amSeattle/Tacoma Intl

9h 50m

1 stop

MDT6:50 pmHarrisburg

Aug 25

MDT2:23 pmHarrisburg

10h 28m

1 stop

SEA9:51 pmSeattle/Tacoma Intl

$657

Alaska Airlines

Aug 6

SEA10:29 amSeattle/Tacoma Intl

8h 29m

1 stop

MDT9:58 pmHarrisburg

Aug 13

MDT1:25 pmHarrisburg

7h 57m

1 stop

SEA6:22 pmSeattle/Tacoma Intl

$793

Alaska Airlines

Jul 13

SEA1:45 pmSeattle/Tacoma Intl

18h 26m

2 stops

MDT11:11 amHarrisburg

Jul 19

MDT11:36 amHarrisburg

11h 57m

2 stops

SEA8:33 pmSeattle/Tacoma Intl

$864

American Airlines flights from Seattle to Harrisburg

Our best American Airlines deals on Seattle to Harrisburg flight tickets

American Airlines

Aug 31

SEA5:50 amSeattle/Tacoma Intl

10h 00m

1 stop

MDT6:50 pmHarrisburg

Sep 11

MDT11:17 amHarrisburg

10h 20m

1 stop

SEA6:37 pmSeattle/Tacoma Intl

$369

American Airlines

Aug 13

SEA5:50 amSeattle/Tacoma Intl

10h 00m

1 stop

MDT6:50 pmHarrisburg

Aug 27

MDT2:45 pmHarrisburg

10h 14m

1 stop

SEA9:59 pmSeattle/Tacoma Intl

$390

American Airlines

Aug 20

SEA5:50 amSeattle/Tacoma Intl

10h 00m

1 stop

MDT6:50 pmHarrisburg

Aug 26

MDT1:25 pmHarrisburg

10h 27m

1 stop

SEA8:52 pmSeattle/Tacoma Intl

$436

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Mon 8/31

11:00 pm-9:51 am

1 stop7h 51m

Harrisburg

Fri 9/11

5:54 pm-10:45 pm

1 stop7h 51m

$360

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Mon 8/31

7:35 pm-9:51 am

2 stops11h 16m

Harrisburg

Fri 9/11

5:54 pm-10:45 pm

1 stop7h 51m

$365

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Mon 8/31

5:50 am-6:50 pm

1 stop10h 00m

Harrisburg

Fri 9/11

11:17 am-6:37 pm

1 stop10h 20m

$369

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Thu 8/13

5:50 am-6:50 pm

1 stop10h 00m

Harrisburg

Thu 8/27

2:45 pm-9:59 pm

1 stop10h 14m

$390

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Thu 8/20

5:50 am-6:50 pm

1 stop10h 00m

Harrisburg

Wed 8/26

1:25 pm-8:52 pm

1 stop10h 27m

$436

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Thu 8/20

11:56 pm-12:45 pm

1 stop9h 49m

Harrisburg

Mon 8/24

1:25 pm-8:52 pm

1 stop10h 27m

$445

Quickest round-trip

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Tue 10/20

7:00 am-4:52 pm

1 stop6h 52m

Harrisburg

Sat 10/24

2:55 pm-8:37 pm

1 stop8h 42m

$461

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Tue 10/20

11:13 pm-9:51 am

1 stop7h 38m

Harrisburg

Sat 10/24

2:55 pm-10:56 pm

2 stops11h 01m

$466

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Sat 8/29

11:00 pm-9:51 am

1 stop7h 51m

Harrisburg

Sat 9/5

2:17 pm-9:31 pm

2 stops10h 14m

$467

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Tue 10/20

10:58 pm-1:59 pm

2 stops12h 01m

Harrisburg

Sat 10/24

2:55 pm-10:56 pm

2 stops11h 01m

$472

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 $418.

How have Seattle to Harrisburg flight prices changed over time?

As of July 2026, prices for Seattle to Harrisburg flights are approximately 29% 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	6h 52m
Direct flights	None

The fastest flight from Seattle to Harrisburg takes 6h 52m

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 52m.
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 3 as of July 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 (57% of total bookings). The next most popular airlines are United Airlines (30%) and Alaska Airlines (12%).

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
American Airlines	PriceFrom $277	Free Cancellation	Rating 7.1 11,783 reviews	Search American Airlines flights
United Airlines	PriceFrom $278	Free Cancellation	Rating 7.4 9,949 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $463	Free Cancellation	Rating 7.9 12,636 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.