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

Prices are currently low for flights on this route. Typical prices usually range from $413 to $612. The lowest price recently found on this route was $287.

Question 1

What is the cheapest month to fly to Seattle?

Accepted Answer

In general, February is the cheapest month to fly from Harrisburg to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $371. If you don’t want to visit Seattle in February, then you should wait until March to fly from Harrisburg, when ticket prices are also cheap, with an average price of $386.

Question 2

Can stopping save me money on Harrisburg to Seattle flights?

Accepted Answer

You could potentially save up to 5% on your flight if you consider stops on a Harrisburg to Seattle flight.

Question 3

What is the cheapest Harrisburg to Seattle/Tacoma Intl flight route?

Accepted Answer

Fly from Harrisburg to Seattle/Tacoma Intl for the best Harrisburg - Seattle/Tacoma Intl flight prices

Question 4

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

Accepted Answer

Prices are currently low for flights on this route.Typical prices usually range from $413 to $612.
The lowest price recently found on this route was $287.

Question 5

What cabin class options are available on Harrisburg to Seattle/Tacoma Intl flights?

Accepted Answer

There are 2 cabin classes available to choose from on Harrisburg to Seattle/Tacoma Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Question 6

How have Harrisburg to Seattle flight prices changed over time?

Accepted Answer

As of August 2025, prices for Harrisburg to Seattle flights are approximately 20% cheaper when compared to flights at the same time last year.

Question 7

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

Accepted Answer

You are more likely to see cheaper flights to Seattle from Harrisburg when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $494 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Harrisburg for as low as $340 on momondo.

Question 8

What airlines fly to Seattle?

Accepted Answer

Alaska Airlines, American Airlines and United Airlines are the top three most popular airlines that fly to Seattle from Harrisburg according to our data. Alaska Airlines is the first choice among our users, with 56% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 9 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

Question 9

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

Accepted Answer

Flights via Charlotte (CLT) offer the lowest average round-trip price of $477.

Question 10

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

Accepted Answer

Flying to Seattle from Harrisburg at noon is the least expensive time of day to depart. momondo users have found prices as low as $454 when looking at flights departing at noon. Flights to Seattle are more costly in the morning, with an average ticket price of $578. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

Question 11

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

Accepted Answer

Chicago (ORD) has the shortest average layover time for this route: 1h 43m.

Question 12

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

Accepted Answer

Flights connecting via Chicago (ORD) have the shortest average one-way travel time: 8h 25m.

Question 13

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

Accepted Answer

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

Question 14

Which airport is the most popular layover for flights between Harrisburg and Seattle?

Accepted Answer

Chicago (ORD) was the most common stop: 78% of momondo users choosing 1-stop flights on this route connected there.

Question 15

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

Accepted Answer

On average, the least expensive day to fly to Seattle from Harrisburg is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $508. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Monday is the most expensive day to depart from Harrisburg because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $643.

Question 16

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

Accepted Answer

Prices for flights from Harrisburg Airport to Seattle/Tacoma Intl Airport are updated daily.

Question 17

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

Accepted Answer

The number of operators available for flights from Harrisburg Airport to Seattle/Tacoma Intl Airport is 4 as of August 2025.

Question 18

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

Accepted Answer

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Harrisburg Airport to Seattle/Tacoma Intl Airport.

Question 19

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

Accepted Answer

The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $286	Free Cancellation	Rating 7.9 7,981 reviews	Search Delta flights
American Airlines	PriceFrom $308	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
United Airlines	PriceFrom $335	Free Cancellation	Rating 7.4 8,940 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $427	Free Cancellation	Rating 8.0 10,000 reviews	Search Alaska Airlines flights

Cheap flights from Harrisburg to Seattle from $114

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Harrisburg to Seattle departing on 10/31. 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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What is the typical price of a round-trip flight between Harrisburg and Seattle?

What is the cheapest month to fly to Seattle?

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

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

What is the cheapest Harrisburg to Seattle/Tacoma Intl flight route?

Fly from Harrisburg to Seattle/Tacoma Intl for the best Harrisburg - Seattle/Tacoma Intl flight prices

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

What cabin class options are available on Harrisburg to Seattle/Tacoma Intl flights?

There are 2 cabin classes available to choose from on Harrisburg to Seattle/Tacoma Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Harrisburg to Seattle flights?

You could potentially save up to 5% on your flight if you consider stops on a Harrisburg to Seattle flight.

How have Harrisburg to Seattle flight prices changed over time?

As of August 2025, prices for Harrisburg to Seattle flights are approximately 20% cheaper when compared to flights at the same time last year.

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

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

What airlines fly to Seattle?

Which airport is the most popular layover for flights between Harrisburg and Seattle?

Chicago (ORD) was the most common stop: 78% of momondo users choosing 1-stop flights on this route connected there.

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

Flights via Charlotte (CLT) offer the lowest average round-trip price of $477.

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

Flights connecting via Chicago (ORD) have the shortest average one-way travel time: 8h 25m.

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

Chicago (ORD) has the shortest average layover time for this route: 1h 43m.

When to book flights from Harrisburg to Seattle

Cheap Harrisburg to Seattle (MDT to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Harrisburg to Seattle

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

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

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

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

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

What is the most popular airline from Harrisburg to Seattle?

Best airlines flying from Harrisburg to Seattle

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