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 55% 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

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 October 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.

$313 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.

12:37 pm - 11:33 pmSEA Seattle/Tacoma Intl-MDT Harrisburg

7h 56m1 stop Dallas/Fort Worth

2:22 pm - 10:38 pmMDT Harrisburg-SEA Seattle/Tacoma Intl

11h 16m1 stop Philadelphia

$399American Airlines

Sat, Dec 5 - Mon, Dec 14

5:45 am - 4:50 pmSEA Seattle/Tacoma Intl-MDT Harrisburg

8h 05m1 stop Charlotte Douglas

12:49 pm - 6:57 pmMDT Harrisburg-SEA Seattle/Tacoma Intl

9h 08m1 stop Charlotte Douglas

$399American Airlines

Fri, Jan 1 - Sat, Jan 9

10:51 am - 10:28 pmSEA Seattle/Tacoma Intl-MDT Harrisburg

8h 37m1 stop Chicago O'Hare Intl

7:02 am - 2:36 pmMDT Harrisburg-SEA Seattle/Tacoma Intl

10h 34m1 stop Chicago O'Hare Intl

$399American Airlines

Thu, Dec 10 - Mon, Dec 14

10:48 am - 8:54 pmSEA Seattle/Tacoma Intl-MDT Harrisburg

7h 06m1 stop Chicago O'Hare Intl

6:20 am - 4:18 pmMDT Harrisburg-SEA Seattle/Tacoma Intl

12h 58m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl

$404United Airlines

Thu, Dec 10 - Mon, Dec 14

5:05 am - 6:43 pmSEA Seattle/Tacoma Intl-MDT Harrisburg

10h 38m2 stops Denver Intl Chicago O'Hare Intl

6:17 am - 11:44 amMDT Harrisburg-SEA Seattle/Tacoma Intl

8h 27m1 stop Chicago O'Hare Intl

$404United Airlines

Sat, Dec 5 - Mon, Dec 14

11:44 pm - 9:50 amSEA Seattle/Tacoma Intl-MDT Harrisburg

7h 06m1 stop Chicago O'Hare Intl

8:35 am - 6:12 pmMDT Harrisburg-SEA Seattle/Tacoma Intl

12h 37m2 stops Chicago O'Hare Intl Denver Intl

$404United Airlines

Fri, Jan 1 - Sat, Jan 9

6:14 am - 7:22 pmSEA Seattle/Tacoma Intl-MDT Harrisburg

10h 08m1 stop Chicago O'Hare Intl

10:13 am - 6:39 pmMDT Harrisburg-SEA Seattle/Tacoma Intl

11h 26m1 stop Charlotte Douglas

$459American Airlines

Thu, Nov 12 - Thu, Nov 19

11:35 am - 10:28 pmSEA Seattle/Tacoma Intl-MDT Harrisburg

7h 53m1 stop Chicago O'Hare Intl

3:06 pm - 9:53 pmMDT Harrisburg-SEA Seattle/Tacoma Intl

9h 47m1 stop Philadelphia

$675Alaska Airlines

Wed, Dec 9 - Wed, Dec 16

9:50 am - 10:28 pmSEA Seattle/Tacoma Intl-MDT Harrisburg

9h 38m2 stops Boise Air Term. Gowen Fld Chicago O'Hare Intl

3:06 pm - 9:53 pmMDT Harrisburg-SEA Seattle/Tacoma Intl

9h 47m1 stop Philadelphia

$680Alaska Airlines

Wed, Dec 9 - Wed, Dec 16

9:35 pm - 9:31 amSEA Seattle/Tacoma Intl-MDT Harrisburg

8h 56m1 stop Philadelphia

3:38 pm - 9:56 pmMDT Harrisburg-SEA Seattle/Tacoma Intl

9h 18m1 stop Chicago O'Hare Intl

$701Alaska Airlines

Sat, Dec 12 - Sat, Dec 19

Cheap last minute flights

Enter your travel dates to find the best prices.

9:15 am - 8:59 pmSEA Seattle/Tacoma Intl-MDT Harrisburg

8h 44m1 stop Philadelphia

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

11h 00m1 stop Philadelphia

$488American Airlines

Wed, Nov 4 - Sun, Nov 8

9:15 am - 8:59 pmSEA Seattle/Tacoma Intl-MDT Harrisburg

8h 44m1 stop Philadelphia

5:00 pm - 10:34 pmMDT Harrisburg-SEA Seattle/Tacoma Intl

8h 34m1 stop Charlotte Douglas

$534American Airlines

Thu, Nov 5 - Sat, Nov 7

7:00 am - 4:54 pmSEA Seattle/Tacoma Intl-MDT Harrisburg

6h 54m1 stop Chicago O'Hare Intl

5:41 pm - 11:07 pmMDT Harrisburg-SEA Seattle/Tacoma Intl

8h 26m1 stop Chicago O'Hare Intl

$534United Airlines

Sat, Oct 31 - Mon, Nov 2

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

7h 06m1 stop Detroit Metropolitan Wayne County

6:00 am - 2:19 pmMDT Harrisburg-SEA Seattle/Tacoma Intl

11h 19m1 stop Atlanta Hartsfield-Jackson

$534Delta

Wed, Nov 4 - Sun, Nov 8

9:45 pm - 9:20 amSEA Seattle/Tacoma Intl-MDT Harrisburg

8h 35m1 stop Charlotte Douglas

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

10h 46m1 stop Chicago O'Hare Intl

$534American Airlines

Wed, Nov 4 - Sun, Nov 8

5:05 am - 6:57 pmSEA Seattle/Tacoma Intl-MDT Harrisburg

10h 52m2 stops Denver Intl Chicago O'Hare Intl

5:41 pm - 11:07 pmMDT Harrisburg-SEA Seattle/Tacoma Intl

8h 26m1 stop Chicago O'Hare Intl

$539United Airlines

Sat, Oct 31 - Mon, Nov 2

10:50 am - 9:33 pmSEA Seattle/Tacoma Intl-MDT Harrisburg

7h 43m1 stop Chicago O'Hare Intl

2:38 pm - 11:07 pmMDT Harrisburg-SEA Seattle/Tacoma Intl

11h 29m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl

$539United Airlines

Thu, Nov 5 - Sat, Nov 7

7:46 pm - 7:22 pmSEA Seattle/Tacoma Intl-MDT Harrisburg

20h 36m2 stops San Diego Chicago O'Hare Intl

6:02 am - 2:31 pmMDT Harrisburg-SEA Seattle/Tacoma Intl

11h 29m2 stops Chicago O'Hare Intl Boise Air Term. Gowen Fld

$730Alaska Airlines

Thu, Nov 5 - Sat, Nov 7

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

7h 06m1 stop Detroit Metropolitan Wayne County

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

7h 55m1 stop Detroit Metropolitan Wayne County

$835Delta

Sun, Nov 1 - Mon, Nov 2

7:59 pm - 7:22 pmSEA Seattle/Tacoma Intl-MDT Harrisburg

20h 23m2 stops San Diego Chicago O'Hare Intl

3:15 pm - 9:27 amMDT Harrisburg-SEA Seattle/Tacoma Intl

21h 12m2 stops Chicago O'Hare Intl San Diego

$878Alaska Airlines

Tue, Nov 3 - Fri, Nov 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

Dec 5

SEA5:05 amSeattle/Tacoma Intl

10h 38m

2 stops

MDT6:43 pmHarrisburg

Dec 14

MDT6:17 amHarrisburg

8h 27m

1 stop

SEA11:44 amSeattle/Tacoma Intl

$404

United Airlines

Dec 5

SEA8:30 amSeattle/Tacoma Intl

9h 24m

2 stops

MDT8:54 pmHarrisburg

Dec 14

MDT6:20 amHarrisburg

11h 03m

2 stops

SEA2:23 pmSeattle/Tacoma Intl

$409

United Airlines

Jan 1

SEA11:44 pmSeattle/Tacoma Intl

11h 16m

2 stops

MDT2:00 pmHarrisburg

Jan 9

MDT6:20 amHarrisburg

10h 31m

2 stops

SEA1:51 pmSeattle/Tacoma Intl

$429

Alaska Airlines flights from Seattle to Harrisburg

Our best Alaska Airlines deals on Seattle to Harrisburg flight tickets

Alaska Airlines

Dec 12

SEA9:35 pmSeattle/Tacoma Intl

8h 56m

1 stop

MDT9:31 amHarrisburg

Dec 19

MDT3:38 pmHarrisburg

9h 18m

1 stop

SEA9:56 pmSeattle/Tacoma Intl

$701

Alaska Airlines

Nov 5

SEA7:46 pmSeattle/Tacoma Intl

20h 36m

2 stops

MDT7:22 pmHarrisburg

Nov 7

MDT6:02 amHarrisburg

11h 29m

2 stops

SEA2:31 pmSeattle/Tacoma Intl

$730

Alaska Airlines

Nov 6

SEA8:59 pmSeattle/Tacoma Intl

19h 23m

2 stops

MDT7:22 pmHarrisburg

Nov 8

MDT6:34 amHarrisburg

10h 57m

2 stops

SEA2:31 pmSeattle/Tacoma Intl

$775

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleHarrisburg

SEA Seattle/Tacoma Intl - MDT Harrisburg

SEAMDT

Seattle/Tacoma Intl

Sat 12/5

12:37 pm-11:33 pm

1 stop7h 56m

Harrisburg

Mon 12/14

2:22 pm-10:38 pm

1 stop11h 16m

$399

Quickest round-trip

SeattleHarrisburg

SEA Seattle/Tacoma Intl - MDT Harrisburg

SEAMDT

Seattle/Tacoma Intl

Fri 1/1

5:45 am-4:50 pm

1 stop8h 05m

Harrisburg

Sat 1/9

12:49 pm-6:57 pm

1 stop9h 08m

$399

SeattleHarrisburg

SEA Seattle/Tacoma Intl - MDT Harrisburg

SEAMDT

Seattle/Tacoma Intl

Thu 12/10

10:51 am-10:28 pm

1 stop8h 37m

Harrisburg

Mon 12/14

7:02 am-2:36 pm

1 stop10h 34m

$399

SeattleHarrisburg

SEA Seattle/Tacoma Intl - MDT Harrisburg

SEAMDT

Seattle/Tacoma Intl

Thu 12/10

10:48 am-8:54 pm

1 stop7h 06m

Harrisburg

Mon 12/14

6:20 am-4:18 pm

2 stops12h 58m

$404

SeattleHarrisburg

SEA Seattle/Tacoma Intl - MDT Harrisburg

SEAMDT

Seattle/Tacoma Intl

Sat 12/5

5:05 am-6:43 pm

2 stops10h 38m

Harrisburg

Mon 12/14

6:17 am-11:44 am

1 stop8h 27m

$404

SeattleHarrisburg

SEA Seattle/Tacoma Intl - MDT Harrisburg

SEAMDT

Seattle/Tacoma Intl

Fri 1/1

11:44 pm-9:50 am

1 stop7h 06m

Harrisburg

Sat 1/9

8:35 am-6:12 pm

2 stops12h 37m

$404

SeattleHarrisburg

SEA Seattle/Tacoma Intl - MDT Harrisburg

SEAMDT

Seattle/Tacoma Intl

Thu 11/12

6:14 am-7:22 pm

1 stop10h 08m

Harrisburg

Thu 11/19

10:13 am-6:39 pm

1 stop11h 26m

$459

SeattleHarrisburg

SEA Seattle/Tacoma Intl - MDT Harrisburg

SEAMDT

Seattle/Tacoma Intl

Wed 12/9

11:35 am-10:28 pm

1 stop7h 53m

Harrisburg

Wed 12/16

3:06 pm-9:53 pm

1 stop9h 47m

$675

SeattleHarrisburg

SEA Seattle/Tacoma Intl - MDT Harrisburg

SEAMDT

Seattle/Tacoma Intl

Wed 12/9

9:50 am-10:28 pm

2 stops9h 38m

Harrisburg

Wed 12/16

3:06 pm-9:53 pm

1 stop9h 47m

$680

SeattleHarrisburg

SEA Seattle/Tacoma Intl - MDT Harrisburg

SEAMDT

Seattle/Tacoma Intl

Sat 12/12

9:35 pm-9:31 am

1 stop8h 56m

Harrisburg

Sat 12/19

3:38 pm-9:56 pm

1 stop9h 18m

$701

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

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 $470 to $519.
The lowest price recently found on this route was $399.

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 October 2026, prices for Seattle to Harrisburg flights are approximately 12% 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	$313
Fastest flight time	7h 05m
Direct flights	None

The best one-way flight to Harrisburg from Seattle in the past 72 hours is $313. The best round-trip flight deal from Seattle to Harrisburg found on momondo in the last 72 hours is $399.

The fastest flight from Seattle to Harrisburg takes 7h 05m

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 05m.
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 October 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 (35%), Alaska Airlines (11%), and Delta (10%).

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 8,691 reviews	Search Delta flights
American Airlines	PriceFrom $277	Free Cancellation	Rating 7.0 12,210 reviews	Search American Airlines flights
United Airlines	PriceFrom $298	Free Cancellation	Rating 7.3 10,448 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $478	Free Cancellation	Rating 7.9 13,134 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.