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 5 different airlines that fly to Harrisburg on a routine basis, so you have a few additional options to choose from.

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

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

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.

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 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.

$303 Cheap Flights from Seattle to Harrisburg in 2026/27

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.

11:59 pm - 11:17 amSEA Seattle/Tacoma Intl-MDT Harrisburg

8h 18m1 stop Chicago O'Hare Intl

1:59 pm - 9:59 pmMDT Harrisburg-SEA Seattle/Tacoma Intl

11h 00m1 stop Philadelphia

$381American Airlines

Wed, Oct 28 - Tue, Nov 3

10:48 pm - 11:42 amSEA Seattle/Tacoma Intl-MDT Harrisburg

9h 54m1 stop Philadelphia

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

8h 00m1 stop Chicago O'Hare Intl

$381American Airlines

Sat, Oct 24 - Tue, Oct 27

6:00 am - 4:06 pmSEA Seattle/Tacoma Intl-MDT Harrisburg

7h 06m1 stop Detroit Metropolitan Wayne County

6:13 am - 10:40 amMDT Harrisburg-SEA Seattle/Tacoma Intl

7h 27m1 stop Detroit Metropolitan Wayne County

$381Delta

Tue, Oct 27 - Tue, Nov 3

12:45 pm - 10:45 pmSEA Seattle/Tacoma Intl-MDT Harrisburg

7h 00m1 stop Philadelphia

2:56 pm - 9:59 pmMDT Harrisburg-SEA Seattle/Tacoma Intl

10h 03m1 stop Philadelphia

$381American Airlines

Wed, Nov 25 - Sat, Dec 5

10:42 am - 11:29 pmSEA Seattle/Tacoma Intl-MDT Harrisburg

9h 47m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl

2:55 pm - 8:37 pmMDT Harrisburg-SEA Seattle/Tacoma Intl

8h 42m1 stop Washington, D.C. Dulles Intl

$386United Airlines

Sat, Oct 17 - Sat, Oct 24

7:35 pm - 9:53 amSEA Seattle/Tacoma Intl-MDT Harrisburg

11h 18m2 stops San Francisco Chicago O'Hare Intl

2:10 pm - 7:03 pmMDT Harrisburg-SEA Seattle/Tacoma Intl

7h 53m1 stop Chicago O'Hare Intl

$386United Airlines

Wed, Oct 28 - Tue, Nov 3

6:00 am - 4:06 pmSEA Seattle/Tacoma Intl-MDT Harrisburg

7h 06m1 stop Detroit Metropolitan Wayne County

6:13 am - 10:40 amMDT Harrisburg-SEA Seattle/Tacoma Intl

7h 27m1 stop Detroit Metropolitan Wayne County

$390Delta

Thu, Oct 29 - Tue, Nov 3

6:00 am - 4:06 pmSEA Seattle/Tacoma Intl-MDT Harrisburg

7h 06m1 stop Detroit Metropolitan Wayne County

6:13 am - 10:40 amMDT Harrisburg-SEA Seattle/Tacoma Intl

7h 27m1 stop Detroit Metropolitan Wayne County

$410Delta

Tue, Oct 27 - Wed, Nov 4

11:35 am - 10:07 pmSEA Seattle/Tacoma Intl-MDT Harrisburg

7h 32m1 stop Chicago O'Hare Intl

12:28 pm - 6:28 pmMDT Harrisburg-SEA Seattle/Tacoma Intl

9h 00m1 stop Chicago O'Hare Intl

$635Alaska Airlines

Tue, Sep 29 - Sat, Oct 3

9:29 pm - 9:15 pmSEA Seattle/Tacoma Intl-MDT Harrisburg

20h 46m1 stop Philadelphia

6:08 am - 11:44 amMDT Harrisburg-SEA Seattle/Tacoma Intl

8h 36m1 stop Chicago O'Hare Intl

$655Alaska Airlines

Sat, Oct 10 - Tue, Oct 13

Cheap last minute flights

Enter your travel dates to find the best prices.

8:20 am - 9:15 pmSEA Seattle/Tacoma Intl-MDT Harrisburg

9h 55m1 stop Philadelphia

7:57 am - 3:17 pmMDT Harrisburg-SEA Seattle/Tacoma Intl

10h 20m1 stop Charlotte Douglas

$477American Airlines

Sat, Sep 19 - Wed, Sep 23

10:45 pm - 10:30 amSEA Seattle/Tacoma Intl-MDT Harrisburg

8h 45m1 stop Philadelphia

2:35 pm - 8:07 pmMDT Harrisburg-SEA Seattle/Tacoma Intl

8h 32m1 stop Charlotte Douglas

$477American Airlines

Sat, Sep 19 - Wed, Sep 23

11:59 pm - 11:03 amSEA Seattle/Tacoma Intl-MDT Harrisburg

8h 04m1 stop Atlanta Hartsfield-Jackson

3:00 pm - 9:15 pmMDT Harrisburg-SEA Seattle/Tacoma Intl

9h 15m1 stop Atlanta Hartsfield-Jackson

$477Delta

Sat, Sep 19 - Wed, Sep 23

10:59 pm - 11:03 amSEA Seattle/Tacoma Intl-MDT Harrisburg

9h 04m1 stop Atlanta Hartsfield-Jackson

3:00 pm - 9:15 pmMDT Harrisburg-SEA Seattle/Tacoma Intl

9h 15m1 stop Atlanta Hartsfield-Jackson

$477Delta

Sat, Sep 19 - Wed, Sep 23

5:20 pm - 9:51 amSEA Seattle/Tacoma Intl-MDT Harrisburg

13h 31m2 stops San Francisco Chicago O'Hare Intl

2:52 pm - 8:27 pmMDT Harrisburg-SEA Seattle/Tacoma Intl

8h 35m1 stop Washington, D.C. Dulles Intl

$592United Airlines

Sat, Sep 19 - Wed, Sep 23

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

7h 16m1 stop Chicago O'Hare Intl

10:30 am - 6:29 pmMDT Harrisburg-SEA Seattle/Tacoma Intl

10h 59m2 stops Washington, D.C. Dulles Intl San Francisco

$592United Airlines

Sat, Sep 19 - Wed, Sep 23

10:58 pm - 1:39 pmSEA Seattle/Tacoma Intl-MDT Harrisburg

11h 41m2 stops Newark Washington, D.C. Dulles Intl

2:17 pm - 7:15 pmMDT Harrisburg-SEA Seattle/Tacoma Intl

7h 58m1 stop Chicago O'Hare Intl

$592United Airlines

Sat, Sep 19 - Wed, Sep 23

5:20 pm - 9:51 amSEA Seattle/Tacoma Intl-MDT Harrisburg

13h 31m2 stops San Francisco Chicago O'Hare Intl

2:52 pm - 10:45 pmMDT Harrisburg-SEA Seattle/Tacoma Intl

10h 53m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl

$597United Airlines

Sat, Sep 19 - Wed, Sep 23

5:20 pm - 9:37 amSEA Seattle/Tacoma Intl-MDT Harrisburg

13h 17m2 stops San Francisco Washington, D.C. Dulles Intl

6:30 am - 6:29 pmMDT Harrisburg-SEA Seattle/Tacoma Intl

14h 59m2 stops Chicago O'Hare Intl San Francisco

$597United Airlines

Sat, Sep 19 - Wed, Sep 23

10:45 pm - 12:03 pmSEA Seattle/Tacoma Intl-MDT Harrisburg

10h 18m1 stop Philadelphia

6:29 am - 2:51 pmMDT Harrisburg-SEA Seattle/Tacoma Intl

11h 22m1 stop Dallas/Fort Worth

$811American Airlines

Sun, Sep 20 - Tue, Sep 22

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Alaska Airlines flights from Seattle to Harrisburg

Our best Alaska Airlines deals on Seattle to Harrisburg flight tickets

Alaska Airlines

Sep 29

SEA11:35 amSeattle/Tacoma Intl

7h 32m

1 stop

MDT10:07 pmHarrisburg

Oct 3

MDT12:28 pmHarrisburg

9h 00m

1 stop

SEA6:28 pmSeattle/Tacoma Intl

$635

Alaska Airlines

Sep 20

SEA7:51 pmSeattle/Tacoma Intl

19h 22m

2 stops

MDT6:13 pmHarrisburg

Sep 24

MDT2:35 pmHarrisburg

11h 04m

2 stops

SEA10:39 pmSeattle/Tacoma Intl

$909

United Airlines flights from Seattle to Harrisburg

Our best United Airlines deals on Seattle to Harrisburg flight tickets

United Airlines

Oct 17

SEA10:42 amSeattle/Tacoma Intl

9h 47m

2 stops

MDT11:29 pmHarrisburg

Oct 24

MDT2:55 pmHarrisburg

8h 42m

1 stop

SEA8:37 pmSeattle/Tacoma Intl

$386

United Airlines

Oct 18

SEA11:13 pmSeattle/Tacoma Intl

7h 38m

1 stop

MDT9:51 amHarrisburg

Oct 24

MDT2:55 pmHarrisburg

11h 01m

2 stops

SEA10:56 pmSeattle/Tacoma Intl

$395

United Airlines

Oct 14

SEA7:00 amSeattle/Tacoma Intl

6h 52m

1 stop

MDT4:52 pmHarrisburg

Oct 21

MDT2:08 pmHarrisburg

12h 18m

2 stops

SEA11:26 pmSeattle/Tacoma Intl

$409

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleHarrisburg

SEA Seattle/Tacoma Intl - MDT Harrisburg

SEAMDT

Seattle/Tacoma Intl

Wed 10/28

11:59 pm-11:17 am

1 stop8h 18m

Harrisburg

Tue 11/3

1:59 pm-9:59 pm

1 stop11h 00m

$381

SeattleHarrisburg

SEA Seattle/Tacoma Intl - MDT Harrisburg

SEAMDT

Seattle/Tacoma Intl

Sat 10/24

10:48 pm-11:42 am

1 stop9h 54m

Harrisburg

Tue 10/27

3:15 pm-8:15 pm

1 stop8h 00m

$381

Quickest round-trip

SeattleHarrisburg

SEA Seattle/Tacoma Intl - MDT Harrisburg

SEAMDT

Seattle/Tacoma Intl

Tue 10/27

6:00 am-4:06 pm

1 stop7h 06m

Harrisburg

Tue 11/3

6:13 am-10:40 am

1 stop7h 27m

$381

SeattleHarrisburg

SEA Seattle/Tacoma Intl - MDT Harrisburg

SEAMDT

Seattle/Tacoma Intl

Wed 11/25

12:45 pm-10:45 pm

1 stop7h 00m

Harrisburg

Sat 12/5

2:56 pm-9:59 pm

1 stop10h 03m

$381

SeattleHarrisburg

SEA Seattle/Tacoma Intl - MDT Harrisburg

SEAMDT

Seattle/Tacoma Intl

Sat 10/17

10:42 am-11:29 pm

2 stops9h 47m

Harrisburg

Sat 10/24

2:55 pm-8:37 pm

1 stop8h 42m

$386

SeattleHarrisburg

SEA Seattle/Tacoma Intl - MDT Harrisburg

SEAMDT

Seattle/Tacoma Intl

Wed 10/28

7:35 pm-9:53 am

2 stops11h 18m

Harrisburg

Tue 11/3

2:10 pm-7:03 pm

1 stop7h 53m

$386

SeattleHarrisburg

SEA Seattle/Tacoma Intl - MDT Harrisburg

SEAMDT

Seattle/Tacoma Intl

Thu 10/29

6:00 am-4:06 pm

1 stop7h 06m

Harrisburg

Tue 11/3

6:13 am-10:40 am

1 stop7h 27m

$390

SeattleHarrisburg

SEA Seattle/Tacoma Intl - MDT Harrisburg

SEAMDT

Seattle/Tacoma Intl

Tue 10/27

6:00 am-4:06 pm

1 stop7h 06m

Harrisburg

Wed 11/4

6:13 am-10:40 am

1 stop7h 27m

$410

SeattleHarrisburg

SEA Seattle/Tacoma Intl - MDT Harrisburg

SEAMDT

Seattle/Tacoma Intl

Tue 9/29

11:35 am-10:07 pm

1 stop7h 32m

Harrisburg

Sat 10/3

12:28 pm-6:28 pm

1 stop9h 00m

$635

SeattleHarrisburg

SEA Seattle/Tacoma Intl - MDT Harrisburg

SEAMDT

Seattle/Tacoma Intl

Sat 10/10

9:29 pm-9:15 pm

1 stop20h 46m

Harrisburg

Tue 10/13

6:08 am-11:44 am

1 stop8h 36m

$655

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 $410 to $572.
The lowest price recently found on this route was $381.

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	$303
Fastest flight time	6h 52m
Direct flights	None

The best one-way flight to Harrisburg from Seattle in the past 72 hours is $303. The best round-trip flight deal from Seattle to Harrisburg found on momondo in the last 72 hours is $381.

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 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 (45% of total bookings). The next most popular airlines are United Airlines (38%), Alaska Airlines (12%), and Delta (6%).

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 8,591 reviews	Search Delta flights
American Airlines	PriceFrom $277	Free Cancellation	Rating 7.0 12,087 reviews	Search American Airlines flights
United Airlines	PriceFrom $298	Free Cancellation	Rating 7.4 10,229 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $463	Free Cancellation	Rating 7.9 12,949 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.