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

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.

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.

$333 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.

10:43 am - 10:15 pmSEA Seattle/Tacoma Intl-MDT Harrisburg

8h 32m1 stop Chicago O'Hare Intl

3:15 pm - 8:20 pmMDT Harrisburg-SEA Seattle/Tacoma Intl

8h 05m1 stop Chicago O'Hare Intl

$399American Airlines

Tue, Nov 10 - Tue, Nov 17

9:15 am - 7:02 pmSEA Seattle/Tacoma Intl-MDT Harrisburg

6h 47m1 stop Philadelphia

3:12 pm - 8:21 pmMDT Harrisburg-SEA Seattle/Tacoma Intl

8h 09m1 stop Chicago O'Hare Intl

$399American Airlines

Wed, Nov 11 - Tue, Nov 24

7:00 am - 6:57 pmSEA Seattle/Tacoma Intl-MDT Harrisburg

8h 57m1 stop Chicago O'Hare Intl

2:38 pm - 8:56 pmMDT Harrisburg-SEA Seattle/Tacoma Intl

9h 18m1 stop Washington, D.C. Dulles Intl

$399United Airlines

Sat, Nov 14 - Sat, Nov 21

1:35 pm - 11:06 pmSEA Seattle/Tacoma Intl-MDT Harrisburg

6h 31m1 stop Detroit Metropolitan Wayne County

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

8h 34m1 stop Atlanta Hartsfield-Jackson

$399Delta

Wed, Nov 18 - Wed, Nov 25

7:00 am - 4:58 pmSEA Seattle/Tacoma Intl-MDT Harrisburg

6h 58m1 stop Chicago O'Hare Intl

6:20 am - 2:26 pmMDT Harrisburg-SEA Seattle/Tacoma Intl

11h 06m2 stops Washington, D.C. Dulles Intl San Francisco

$404United Airlines

Wed, Dec 2 - Tue, Jan 12

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

9h 23m1 stop Detroit Metropolitan Wayne County

5:05 pm - 9:58 pmMDT Harrisburg-SEA Seattle/Tacoma Intl

7h 53m1 stop Detroit Metropolitan Wayne County

$448Delta

Fri, Nov 6 - Wed, Nov 18

9:28 pm - 7:02 pmSEA Seattle/Tacoma Intl-MDT Harrisburg

18h 34m1 stop Philadelphia

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

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

$705Alaska Airlines

Tue, Nov 3 - Fri, Nov 6

10:59 pm - 7:22 pmSEA Seattle/Tacoma Intl-MDT Harrisburg

17h 23m2 stops Portland Chicago O'Hare Intl

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

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

$710Alaska Airlines

Tue, Nov 3 - Fri, Nov 6

4:27 pm - 9:09 pmSEA Seattle/Tacoma Intl-MDT Harrisburg

25h 42m2 stops Denver Intl Nashville Intl

6:03 am - 11:57 amMDT Harrisburg-SEA Seattle/Tacoma Intl

8h 54m1 stop Chicago O'Hare Intl

$736Multiple Airlines

Wed, Nov 11 - Fri, Nov 20

7:40 am - 9:09 pmSEA Seattle/Tacoma Intl-MDT Harrisburg

34h 29m3 stops Portland Denver Intl Nashville Intl

6:03 am - 11:57 amMDT Harrisburg-SEA Seattle/Tacoma Intl

8h 54m1 stop Chicago O'Hare Intl

$773Multiple Airlines

Wed, Nov 11 - Fri, Nov 20

Cheap last minute flights

Enter your travel dates to find the best prices.

10:26 am - 10:59 pmSEA Seattle/Tacoma Intl-MDT Harrisburg

9h 33m1 stop Dallas/Fort Worth

5:00 am - 12:27 pmMDT Harrisburg-SEA Seattle/Tacoma Intl

10h 27m1 stop Charlotte Douglas

$497American Airlines

Wed, Oct 21 - Wed, Oct 28

10:26 am - 10:59 pmSEA Seattle/Tacoma Intl-MDT Harrisburg

9h 33m1 stop Dallas/Fort Worth

6:30 am - 2:46 pmMDT Harrisburg-SEA Seattle/Tacoma Intl

11h 16m1 stop Dallas/Fort Worth

$497American Airlines

Wed, Oct 21 - Tue, Oct 27

11:13 pm - 9:51 amSEA Seattle/Tacoma Intl-MDT Harrisburg

7h 38m1 stop Chicago O'Hare Intl

10:30 am - 7:03 pmMDT Harrisburg-SEA Seattle/Tacoma Intl

11h 33m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl

$502United Airlines

Wed, Oct 21 - Tue, Oct 27

10:48 pm - 1:59 pmSEA Seattle/Tacoma Intl-MDT Harrisburg

12h 11m2 stops Newark Washington, D.C. Dulles Intl

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

7h 53m1 stop Chicago O'Hare Intl

$502United Airlines

Wed, Oct 21 - Wed, Oct 28

11:59 pm - 11:38 amSEA Seattle/Tacoma Intl-MDT Harrisburg

8h 39m1 stop Atlanta Hartsfield-Jackson

6:13 am - 11:00 amMDT Harrisburg-SEA Seattle/Tacoma Intl

7h 47m1 stop Detroit Metropolitan Wayne County

$525Delta

Fri, Oct 23 - Thu, Oct 29

10:42 am - 9:32 pmSEA Seattle/Tacoma Intl-MDT Harrisburg

7h 50m1 stop Chicago O'Hare Intl

10:30 am - 7:03 pmMDT Harrisburg-SEA Seattle/Tacoma Intl

11h 33m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl

$530United Airlines

Fri, Oct 23 - Thu, Oct 29

11:59 pm - 11:19 amSEA Seattle/Tacoma Intl-MDT Harrisburg

8h 20m1 stop Chicago O'Hare Intl

5:49 pm - 11:10 pmMDT Harrisburg-SEA Seattle/Tacoma Intl

8h 21m1 stop Charlotte Douglas

$534American Airlines

Wed, Oct 21 - Mon, Oct 26

10:42 am - 9:32 pmSEA Seattle/Tacoma Intl-MDT Harrisburg

7h 50m1 stop Chicago O'Hare Intl

2:40 pm - 11:17 pmMDT Harrisburg-SEA Seattle/Tacoma Intl

11h 37m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl

$539United Airlines

Wed, Oct 21 - Mon, Oct 26

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

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

5:41 pm - 11:17 pmMDT Harrisburg-SEA Seattle/Tacoma Intl

8h 36m1 stop Chicago O'Hare Intl

$539United Airlines

Wed, Oct 21 - Mon, Oct 26

8:29 pm - 1:27 pmSEA Seattle/Tacoma Intl-MDT Harrisburg

13h 58m2 stops San Francisco Chicago O'Hare Intl

8:15 am - 5:57 pmMDT Harrisburg-SEA Seattle/Tacoma Intl

12h 42m2 stops Chicago O'Hare Intl Denver Intl

$637United Airlines

Wed, Oct 21 - Wed, Oct 28

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American Airlines flights from Seattle to Harrisburg

Our best American Airlines deals on Seattle to Harrisburg flight tickets

American Airlines

Nov 10

SEA10:43 amSeattle/Tacoma Intl

8h 32m

1 stop

MDT10:15 pmHarrisburg

Nov 17

MDT3:15 pmHarrisburg

8h 05m

1 stop

SEA8:20 pmSeattle/Tacoma Intl

$399

American Airlines

Jan 5

SEA5:45 amSeattle/Tacoma Intl

10h 08m

1 stop

MDT6:53 pmHarrisburg

Jan 9

MDT6:00 amHarrisburg

10h 49m

1 stop

SEA1:49 pmSeattle/Tacoma Intl

$401

American Airlines

Nov 4

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

$409

United Airlines flights from Seattle to Harrisburg

Our best United Airlines deals on Seattle to Harrisburg flight tickets

United Airlines

Nov 10

SEA5:05 amSeattle/Tacoma Intl

10h 52m

2 stops

MDT6:57 pmHarrisburg

Nov 24

MDT5:41 pmHarrisburg

8h 26m

1 stop

SEA11:07 pmSeattle/Tacoma Intl

$404

United Airlines

Nov 14

SEA10:56 pmSeattle/Tacoma Intl

7h 57m

1 stop

MDT9:53 amHarrisburg

Nov 21

MDT2:38 pmHarrisburg

11h 29m

2 stops

SEA11:07 pmSeattle/Tacoma Intl

$417

United Airlines

Oct 21

SEA11:13 pmSeattle/Tacoma Intl

7h 38m

1 stop

MDT9:51 amHarrisburg

Oct 27

MDT10:30 amHarrisburg

11h 33m

2 stops

SEA7:03 pmSeattle/Tacoma Intl

$502

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleHarrisburg

SEA Seattle/Tacoma Intl - MDT Harrisburg

SEAMDT

Seattle/Tacoma Intl

Tue 11/10

10:43 am-10:15 pm

1 stop8h 32m

Harrisburg

Tue 11/17

3:15 pm-8:20 pm

1 stop8h 05m

$399

Quickest round-trip

SeattleHarrisburg

SEA Seattle/Tacoma Intl - MDT Harrisburg

SEAMDT

Seattle/Tacoma Intl

Wed 11/11

9:15 am-7:02 pm

1 stop6h 47m

Harrisburg

Tue 11/24

3:12 pm-8:21 pm

1 stop8h 09m

$399

SeattleHarrisburg

SEA Seattle/Tacoma Intl - MDT Harrisburg

SEAMDT

Seattle/Tacoma Intl

Sat 11/14

7:00 am-6:57 pm

1 stop8h 57m

Harrisburg

Sat 11/21

2:38 pm-8:56 pm

1 stop9h 18m

$399

SeattleHarrisburg

SEA Seattle/Tacoma Intl - MDT Harrisburg

SEAMDT

Seattle/Tacoma Intl

Wed 11/18

1:35 pm-11:06 pm

1 stop6h 31m

Harrisburg

Wed 11/25

6:23 pm-11:57 pm

1 stop8h 34m

$399

SeattleHarrisburg

SEA Seattle/Tacoma Intl - MDT Harrisburg

SEAMDT

Seattle/Tacoma Intl

Wed 12/2

7:00 am-4:58 pm

1 stop6h 58m

Harrisburg

Tue 1/12

6:20 am-2:26 pm

2 stops11h 06m

$404

SeattleHarrisburg

SEA Seattle/Tacoma Intl - MDT Harrisburg

SEAMDT

Seattle/Tacoma Intl

Fri 11/6

11:10 pm-11:33 am

1 stop9h 23m

Harrisburg

Wed 11/18

5:05 pm-9:58 pm

1 stop7h 53m

$448

SeattleHarrisburg

SEA Seattle/Tacoma Intl - MDT Harrisburg

SEAMDT

Seattle/Tacoma Intl

Tue 11/3

9:28 pm-7:02 pm

1 stop18h 34m

Harrisburg

Fri 11/6

3:15 pm-9:27 am

2 stops21h 12m

$705

SeattleHarrisburg

SEA Seattle/Tacoma Intl - MDT Harrisburg

SEAMDT

Seattle/Tacoma Intl

Tue 11/3

10:59 pm-7:22 pm

2 stops17h 23m

Harrisburg

Fri 11/6

3:15 pm-9:27 am

2 stops21h 12m

$710

SeattleHarrisburg

SEA Seattle/Tacoma Intl - MDT Harrisburg

SEAMDT

Seattle/Tacoma Intl

Wed 11/11

4:27 pm-9:09 pm

2 stops25h 42m

Harrisburg

Fri 11/20

6:03 am-11:57 am

1 stop8h 54m

$736

SeattleHarrisburg

SEA Seattle/Tacoma Intl - MDT Harrisburg

SEAMDT

Seattle/Tacoma Intl

Wed 11/11

7:40 am-9:09 pm

3 stops34h 29m

Harrisburg

Fri 11/20

6:03 am-11:57 am

1 stop8h 54m

$773

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 $490 to $604.
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	$333
Fastest flight time	6h 31m
Direct flights	None

The best one-way flight to Harrisburg from Seattle in the past 72 hours is $333. 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 6h 31m

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 31m.
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 8,650 reviews	Search Delta flights
American Airlines	PriceFrom $277	Free Cancellation	Rating 7.0 12,182 reviews	Search American Airlines flights
United Airlines	PriceFrom $298	Free Cancellation	Rating 7.3 10,388 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $478	Free Cancellation	Rating 7.9 13,095 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.