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.

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

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.

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

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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

mié., dic. 3 - dom., dic. 7

6:00 am - 5:25 pmSEA-MDT

8h 25m1 stop

6:10 am - 10:45 amMDT-SEA

7h 35m1 stop

$319Delta

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mar., mar. 10 - mié., mar. 11

6:00 am - 5:25 pmSEA-MDT

8h 25m1 stop

6:00 am - 2:24 pmMDT-SEA

11h 24m1 stop

$359Delta

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mar., mar. 10 - mié., mar. 11

7:00 am - 4:56 pmSEA-MDT

6h 56m1 stop

6:30 am - 4:14 pmMDT-SEA

12h 44m2 stops

$364United Airlines

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mar., mar. 10 - mié., mar. 11

8:30 am - 11:08 pmSEA-MDT

11h 38m2 stops

2:08 pm - 11:22 pmMDT-SEA

12h 14m2 stops

$369United Airlines

Find Deal

mar., mar. 10 - mié., mar. 11

11:59 pm - 9:56 amSEA-MDT

6h 57m1 stop

5:43 pm - 10:50 pmMDT-SEA

8h 07m1 stop

$386United Airlines

Find Deal

vie., abr. 24 - dom., abr. 26

7:02 pm - 9:38 amSEA-MDT

11h 36m2 stops

5:43 pm - 10:50 pmMDT-SEA

8h 07m1 stop

$391United Airlines

Find Deal

vie., abr. 24 - dom., abr. 26

7:37 pm - 9:56 amSEA-MDT

11h 19m2 stops

5:43 pm - 10:50 pmMDT-SEA

8h 07m1 stop

$399United Airlines

Find Deal

lun., abr. 13 - sáb., abr. 18

5:11 pm - 9:30 amSEA-MDT

13h 19m2 stops

6:30 am - 11:47 amMDT-SEA

8h 17m1 stop

$429United Airlines

Find Deal

jue., dic. 4 - dom., dic. 7

11:07 pm - 9:10 amSEA-MDT

7h 03m1 stop

6:16 am - 2:54 pmMDT-SEA

11h 38m1 stop

$447American Airlines

Find Deal

jue., dic. 25 - jue., ene. 1

American Airlines flights from Seattle to Harrisburg

Our best American Airlines deals on Seattle to Harrisburg flight tickets

American Airlines

Dec 3

SEA12:38 amSeattle/Tacoma Intl

7h 41m

1 stop

MDT11:19 amHarrisburg

Dec 7

MDT3:46 pmHarrisburg

8h 10m

1 stop

SEA8:56 pmSeattle/Tacoma Intl

$259

Find similar

American Airlines

Dec 25

SEA11:07 pmSeattle/Tacoma Intl

7h 03m

1 stop

MDT9:10 amHarrisburg

Jan 1

MDT6:16 amHarrisburg

11h 38m

1 stop

SEA2:54 pmSeattle/Tacoma Intl

$447

Find similar

American Airlines

Dec 25

SEA11:07 pmSeattle/Tacoma Intl

7h 03m

1 stop

MDT9:10 amHarrisburg

Jan 4

MDT1:52 pmHarrisburg

11h 12m

1 stop

SEA10:04 pmSeattle/Tacoma Intl

$478

Find similar

Delta flights from Seattle to Harrisburg

Our best Delta deals on Seattle to Harrisburg flight tickets

Delta

Mar 10

SEA6:00 amSeattle/Tacoma Intl

8h 25m

1 stop

MDT5:25 pmHarrisburg

Mar 11

MDT6:10 amHarrisburg

7h 35m

1 stop

SEA10:45 amSeattle/Tacoma Intl

$319

Find similar

Delta

Mar 10

SEA6:00 amSeattle/Tacoma Intl

8h 25m

1 stop

MDT5:25 pmHarrisburg

Mar 11

MDT6:00 amHarrisburg

11h 24m

1 stop

SEA2:24 pmSeattle/Tacoma Intl

$359

Find similar

Delta

Nov 16

SEA6:00 amSeattle/Tacoma Intl

9h 16m

1 stop

MDT6:16 pmHarrisburg

Nov 24

MDT6:00 amHarrisburg

9h 43m

1 stop

SEA12:43 pmSeattle/Tacoma Intl

$464

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

mié. 12/3

12:38 am-11:19 am

1 stop7h 41m

Harrisburg

dom. 12/7

3:46 pm-8:56 pm

1 stop8h 10m

$259

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

mar. 3/10

6:00 am-5:25 pm

1 stop8h 25m

Harrisburg

mié. 3/11

6:10 am-10:45 am

1 stop7h 35m

$319

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

mar. 3/10

6:00 am-5:25 pm

1 stop8h 25m

Harrisburg

mié. 3/11

6:00 am-2:24 pm

1 stop11h 24m

$359

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

mar. 3/10

7:00 am-4:56 pm

1 stop6h 56m

Harrisburg

mié. 3/11

6:30 am-4:14 pm

2 stops12h 44m

$364

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

mar. 3/10

8:30 am-11:08 pm

2 stops11h 38m

Harrisburg

mié. 3/11

2:08 pm-11:22 pm

2 stops12h 14m

$369

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

vie. 4/24

11:59 pm-9:56 am

1 stop6h 57m

Harrisburg

dom. 4/26

5:43 pm-10:50 pm

1 stop8h 07m

$386

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

vie. 4/24

7:02 pm-9:38 am

2 stops11h 36m

Harrisburg

dom. 4/26

5:43 pm-10:50 pm

1 stop8h 07m

$391

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

lun. 4/13

7:37 pm-9:56 am

2 stops11h 19m

Harrisburg

sáb. 4/18

5:43 pm-10:50 pm

1 stop8h 07m

$399

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

jue. 12/4

5:11 pm-9:30 am

2 stops13h 19m

Harrisburg

dom. 12/7

6:30 am-11:47 am

1 stop8h 17m

$429

SeattleHarrisburg

SEA - MDT

SEAMDT

Seattle/Tacoma Intl

jue. 12/25

11:07 pm-9:10 am

1 stop7h 03m

Harrisburg

jue. 1/1

6:16 am-2:54 pm

1 stop11h 38m

$447

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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

Prices

Airlines

Layovers

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 $386.

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 $476 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 57m.
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 8,009 reviews	Search Delta flights
United Airlines	PriceFrom $286	Free Cancellation	Rating 7.4 9,015 reviews	Search United Airlines flights
American Airlines	PriceFrom $286	Free Cancellation	Rating 7.2 11,050 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom $412	Free Cancellation	Rating 8.0 11,281 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

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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 12/25. 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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American Airlines flights from Seattle to Harrisburg

Our best American Airlines deals on Seattle to Harrisburg flight tickets

Delta flights from Seattle to Harrisburg

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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 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