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, 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 55% of people opting to fly with this airline when traveling to Harrisburg. Keep in mind that there are 8 different airlines that fly to Harrisburg on a routine basis, so you have a few additional options to choose from.

Which layover airport has the shortest travel time from Seattle to Harrisburg?

Flights connecting via Philadelphia (PHL) have the shortest average one-way travel time: 7h 33m.

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 connection time from Seattle to Harrisburg?

Philadelphia (PHL) has the shortest average layover time for this route: 1h 16m.

Which layover airport offers the lowest fares from Seattle to Harrisburg?

Flights via Philadelphia (PHL) offer the lowest average round-trip price of $481.

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 November 2025.

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.

$130 Cheap Flights from Seattle to Harrisburg in 2025/26

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 $508 to $884. The lowest price recently found on this route was $259.

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12:38 am - 11:19 amSEA-MDT

7h 41m1 stop

3:46 pm - 8:56 pmMDT-SEA

8h 10m1 stop

$259American Airlines

Find Deal

Wed, Dec 3 - Sun, Dec 7

7:00 am - 4:53 pmSEA-MDT

6h 53m1 stop

3:00 pm - 12:50 amMDT-SEA

12h 50m2 stops

$264United Airlines

Find Deal

Sat, Dec 6 - Tue, Dec 9

5:00 am - 4:53 pmSEA-MDT

8h 53m2 stops

10:40 am - 6:25 pmMDT-SEA

10h 45m2 stops

$309United Airlines

Find Deal

Sat, Dec 6 - Tue, Dec 9

7:34 pm - 10:06 amSEA-MDT

11h 32m2 stops

6:30 am - 11:47 amMDT-SEA

8h 17m1 stop

$310United Airlines

Find Deal

Fri, Dec 5 - Sun, Dec 7

11:56 am - 11:04 pmSEA-MDT

8h 08m1 stop

6:00 am - 10:46 amMDT-SEA

7h 46m1 stop

$339Delta

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Wed, Nov 19 - Sun, Nov 23

6:00 am - 5:25 pmSEA-MDT

8h 25m1 stop

6:10 am - 10:45 amMDT-SEA

7h 35m1 stop

$349Delta

Find Deal

Tue, Mar 10 - Wed, Mar 11

7:30 pm - 9:35 amSEA-MDT

11h 05m2 stops

10:34 am - 6:26 pmMDT-SEA

10h 52m2 stops

$354United Airlines

Find Deal

Wed, Jan 7 - Sun, Jan 11

12:38 am - 11:19 amSEA-MDT

7h 41m1 stop

4:46 pm - 11:25 pmMDT-SEA

9h 39m1 stop

$378American Airlines

Find Deal

Thu, Dec 11 - Mon, Dec 15

6:00 am - 4:09 pmSEA-MDT

7h 09m1 stop

2:55 pm - 10:12 pmMDT-SEA

10h 17m1 stop

$474Alaska Airlines

Find Deal

Mon, Nov 24 - Tue, Dec 2

12:25 am - 11:09 amSEA-MDT

7h 44m1 stop

2:55 pm - 10:12 pmMDT-SEA

10h 17m1 stop

$533Alaska Airlines

Find Deal

Sat, Nov 22 - Tue, Dec 2

Alaska Airlines flights from Seattle to Harrisburg

Our best Alaska Airlines deals on Seattle to Harrisburg flight tickets

Alaska Airlines

Nov 24

SEA6:00 amSeattle/Tacoma Intl

7h 09m

1 stop

MDT4:09 pmHarrisburg

Dec 2

MDT2:55 pmHarrisburg

10h 17m

1 stop

SEA10:12 pmSeattle/Tacoma Intl

$474

Find similar

Alaska Airlines

Nov 22

SEA12:25 amSeattle/Tacoma Intl

7h 44m

1 stop

MDT11:09 amHarrisburg

Dec 2

MDT2:55 pmHarrisburg

10h 17m

1 stop

SEA10:12 pmSeattle/Tacoma Intl

$533

Find similar

Alaska Airlines

Nov 23

SEA9:36 pmSeattle/Tacoma Intl

9h 48m

1 stop

MDT10:24 amHarrisburg

Dec 2

MDT2:55 pmHarrisburg

10h 17m

1 stop

SEA10:12 pmSeattle/Tacoma Intl

$534

Find similar

United Airlines flights from Seattle to Harrisburg

Our best United Airlines deals on Seattle to Harrisburg flight tickets

United Airlines

Dec 6

SEA7:00 amSeattle/Tacoma Intl

6h 53m

1 stop

MDT4:53 pmHarrisburg

Dec 9

MDT3:00 pmHarrisburg

12h 50m

2 stops

SEA12:50 amSeattle/Tacoma Intl

$264

Find similar

United Airlines

Dec 6

SEA5:00 amSeattle/Tacoma Intl

8h 53m

2 stops

MDT4:53 pmHarrisburg

Dec 9

MDT10:40 amHarrisburg

10h 45m

2 stops

SEA6:25 pmSeattle/Tacoma Intl

$309

Find similar

United Airlines

Dec 5

SEA7:34 pmSeattle/Tacoma Intl

11h 32m

2 stops

MDT10:06 amHarrisburg

Dec 7

MDT6:30 amHarrisburg

8h 17m

1 stop

SEA11:47 amSeattle/Tacoma Intl

$310

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Wed 12/3

12:38 am-11:19 am

1 stop7h 41m

Harrisburg

Sun 12/7

3:46 pm-8:56 pm

1 stop8h 10m

$259

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Sat 12/6

7:00 am-4:53 pm

1 stop6h 53m

Harrisburg

Tue 12/9

3:00 pm-12:50 am

2 stops12h 50m

$264

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Sat 12/6

5:00 am-4:53 pm

2 stops8h 53m

Harrisburg

Tue 12/9

10:40 am-6:25 pm

2 stops10h 45m

$309

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Fri 12/5

7:34 pm-10:06 am

2 stops11h 32m

Harrisburg

Sun 12/7

6:30 am-11:47 am

1 stop8h 17m

$310

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Wed 11/19

11:56 am-11:04 pm

1 stop8h 08m

Harrisburg

Sun 11/23

6:00 am-10:46 am

1 stop7h 46m

$339

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Tue 3/10

6:00 am-5:25 pm

1 stop8h 25m

Harrisburg

Wed 3/11

6:10 am-10:45 am

1 stop7h 35m

$349

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Wed 1/7

7:30 pm-9:35 am

2 stops11h 05m

Harrisburg

Sun 1/11

10:34 am-6:26 pm

2 stops10h 52m

$354

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Thu 12/11

12:38 am-11:19 am

1 stop7h 41m

Harrisburg

Mon 12/15

4:46 pm-11:25 pm

1 stop9h 39m

$378

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Mon 11/24

6:00 am-4:09 pm

1 stop7h 09m

Harrisburg

Tue 12/2

2:55 pm-10:12 pm

1 stop10h 17m

$474

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

Sat 11/22

12:25 am-11:09 am

1 stop7h 44m

Harrisburg

Tue 12/2

2:55 pm-10:12 pm

1 stop10h 17m

$533

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 April is, on average, the cheapest month to fly to Harrisburg from Seattle, with most prices found around $386. If you aren’t able to travel to Harrisburg during the month of April, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $403.

What is the cheapest day to depart on your flight to Harrisburg?

The cheapest day to depart from Seattle to Harrisburg is on a Wednesday. Travelers who choose to depart for Harrisburg on a Wednesday will often find tickets for as low as $455. On the other hand, Saturday is the most expensive day to depart from Seattle because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $802.

What is the cheapest time of day to depart on your flight to Harrisburg?

Our data shows that the cheapest Seattle to Harrisburg flights are usually those with departure times at noon. Our users have found flights to Harrisburg at noon for as low as $471. Try not to purchase tickets in the evening because they tend to be around $543. Of course, these prices can vary depending on the time of year and what airport you fly to.

How far in advance should I book a flight to Harrisburg?

You are more likely to see cheaper flights to Harrisburg from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Harrisburg for around $518 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Harrisburg from Seattle for as low as $328 on momondo.

How have Seattle to Harrisburg flight prices changed over time?

As of November 2025, prices for Seattle to Harrisburg flights are approximately 37% 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

Direct flights	None

There are no direct flights from Seattle to Harrisburg. There are no popular flight routes from Seattle to Harrisburg.

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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 53m.
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 November 2025.
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 plane model from Seattle to Harrisburg?
Based on momondo bookings for flights between Seattle and Harrisburg, the leading plane model is Airbus A319, making up 100.00% of the total bookings.
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 (48% of total bookings). The next most popular airlines are United Airlines (34%), Delta (13%), and Alaska Airlines (5%).

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 $226	Free Cancellation	Rating 7.9 8,004 reviews	Search Delta flights
United Airlines	PriceFrom $286	Free Cancellation	Rating 7.4 9,002 reviews	Search United Airlines flights
American Airlines	PriceFrom $286	Free Cancellation	Rating 7.2 11,042 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom $412	Free Cancellation	Rating 8.0 11,242 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.

An easier way to manage your Harrisburg trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Cheap flights from Seattle to Harrisburg from $130

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Harrisburg departing on 4/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Big names and deals

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Filter for what you want

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Find the cheapest flights from Seattle to Harrisburg

Cheap round-trip flights

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Alaska Airlines flights from Seattle to Harrisburg

Our best Alaska Airlines deals on Seattle to Harrisburg flight tickets

United Airlines flights from Seattle to Harrisburg

Our best United Airlines deals on Seattle to Harrisburg flight tickets

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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

What is the typical price of a round-trip flight between Seattle and Harrisburg?

What is the cheapest month to fly to Harrisburg?

What is the cheapest day to depart on your flight to Harrisburg?

What is the cheapest time of day to depart on your flight to Harrisburg?

How far in advance should I book a flight to Harrisburg?

How have Seattle to Harrisburg flight prices changed over time?

As of November 2025, prices for Seattle to Harrisburg flights are approximately 37% more expensive when compared to flights at the same time last year.

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

What airlines fly 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 Philadelphia (PHL) offer the lowest average round-trip price of $481.

Which layover airport has the shortest travel time from Seattle to Harrisburg?

Flights connecting via Philadelphia (PHL) have the shortest average one-way travel time: 7h 33m.

Which layover airport has the shortest connection time from Seattle to Harrisburg?

Philadelphia (PHL) has the shortest average layover time for this route: 1h 16m.

When to book flights from Seattle to Harrisburg

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

Direct flights

How far is Seattle/Tacoma Intl to Harrisburg by plane?

When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Harrisburg Airport?

How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Harrisburg Airport?

How old do you have to be to fly from Seattle/Tacoma Intl Airport to Harrisburg Airport?

What documentation or ID do you need to fly to Harrisburg Airport?

What is the most popular plane model from Seattle to Harrisburg?

What is the most popular airline from Seattle to Harrisburg?

Best airlines flying from Seattle to Harrisburg

Compare and see reviews for airlines that fly from Seattle to Harrisburg with momondo

Traveling to a place near Harrisburg?

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Harrisburg?

Can I find flights from Seattle to Harrisburg with flexible booking policies on momondo?

How can momondo help me find flights from Seattle to Harrisburg?

I’m not ready to book a flight from Seattle to Harrisburg right now. Can momondo alert me if prices change?

An easier way to manage your Harrisburg trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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Airports servicing Pennsylvania