Cheap flights from Harrisburg to Seattle (MDT - SEA)

MDT — SEA
May 24 — May 311

The best prices from Harrisburg to Seattle/Tacoma Intl are usually found in August or January, booked 24 days in advance, depart on a Wednesday or Thursday and return on a Wednesday

How to find the cheapest flight from Harrisburg to Seattle

All the information you need to plan the best MDT to SEA flight in 2022: compare Harrisburg to Seattle flight prices with the expected peak season, weather and rainfall in Seattle.

MDT - SEA

Price

$351 - $519

SEA

Temperature

41 - 66.2 °F

SEA

Rainfall

0.7 - 6.6 inches

Popular inDecemberHigh demand for flights, 23% potential price rise
Cheapest inAugustBest time to find cheap flights, 12% potential price drop
Round-trip from$351From Harrisburg to Seattle/Tacoma Intl
One-way from$317One-way flight from Harrisburg to Seattle/Tacoma Intl

What is the cheapest day to fly round-trip from Harrisburg to Seattle?

Flights from Harrisburg to Seattle are found to be more expensive on Monday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Seattle.

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

Travelers have found it’s best to book a flight 25 days in advance to save up to 37% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 25 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Harrisburg to Seattle 1-2 weeks in advance for as low as $431, or $544 for flights within the next 24 hours.

What is the cheapest month to fly from Harrisburg to Seattle?

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, August can be a great choice for travel to Seattle. Flights to Seattle from Harrisburg in August are about $399 on average during August, but can be found for as low as $249.

When is the cheapest time to fly from Harrisburg to Seattle (MDT - SEA)?

It’s typically best to fly out from Harrisburg to Seattle in the evening. Doing so could potentially save you 25% on the flight price compared to flying at noon, which is usually more expensive.

Cheap flights from Harrisburg to Seattle in May, June 2022

The best prices found for MDT to SEA flights for May, June
Jun 27 - Jul 3
MDT

Harrisburg

SEA

Seattle/Tacoma Intl

2 stops

28h 08m
SEA

Seattle/Tacoma Intl

MDT

Harrisburg

2 stops

35h 48m
$689

Multiple Airlines

View Deal

Deal found 5/18/22

May 19 - May 22
MDT

Harrisburg

SEA

Seattle/Tacoma Intl

2 stops

15h 55m
SEA

Seattle/Tacoma Intl

MDT

Harrisburg

1 stop

14h 16m
$860

Multiple Airlines

View Deal

Deal found 5/16/22

Jun 27 - Jul 3
MDT

Harrisburg

SEA

Seattle/Tacoma Intl

1 stop

19h 20m
SEA

Seattle/Tacoma Intl

MDT

Harrisburg

1 stop

27h 38m
$874

United Airlines

View Deal

Deal found 5/17/22

Harrisburg to Seattle 2022 flight deals

Cheap flights to Seattle from Harrisburg found for this year
Oct 5 - Oct 11
MDT

Harrisburg

SEA

Seattle/Tacoma Intl

1 stop

8h 09m
SEA

Seattle/Tacoma Intl

MDT

Harrisburg

1 stop

9h 08m
$416

American Airlines

View Deal

Deal found 5/18/22

Oct 5 - Oct 10
MDT

Harrisburg

SEA

Seattle/Tacoma Intl

1 stop

10h 55m
SEA

Seattle/Tacoma Intl

MDT

Harrisburg

1 stop

8h 03m
$418

American Airlines

View Deal

Deal found 5/18/22

Oct 5 - Oct 10
MDT

Harrisburg

SEA

Seattle/Tacoma Intl

1 stop

8h 09m
SEA

Seattle/Tacoma Intl

MDT

Harrisburg

2 stops

10h 18m
$422

American Airlines

View Deal

Deal found 5/18/22

Cheap American Airlines flights from Harrisburg to Seattle

Oct 5 - Oct 11
MDT

Harrisburg

SEA

Seattle/Tacoma Intl

1 stop

8h 09m
SEA

Seattle/Tacoma Intl

MDT

Harrisburg

1 stop

9h 08m
$416

American Airlines

View Deal

Deal found 5/18/22

Oct 5 - Oct 10
MDT

Harrisburg

SEA

Seattle/Tacoma Intl

1 stop

10h 55m
SEA

Seattle/Tacoma Intl

MDT

Harrisburg

1 stop

8h 03m
$418

American Airlines

View Deal

Deal found 5/18/22

Oct 5 - Oct 10
MDT

Harrisburg

SEA

Seattle/Tacoma Intl

1 stop

8h 09m
SEA

Seattle/Tacoma Intl

MDT

Harrisburg

2 stops

10h 18m
$422

American Airlines

View Deal

Deal found 5/18/22

Cheap United Airlines flights from Harrisburg to Seattle

Oct 5 - Oct 11
MDT

Harrisburg

SEA

Seattle/Tacoma Intl

1 stop

7h 30m
SEA

Seattle/Tacoma Intl

MDT

Harrisburg

2 stops

16h 42m
$459

United Airlines

View Deal

Deal found 5/18/22

Aug 25 - Aug 29
MDT

Harrisburg

SEA

Seattle/Tacoma Intl

1 stop

11h 36m
SEA

Seattle/Tacoma Intl

MDT

Harrisburg

1 stop

10h 55m
$690

United Airlines

View Deal

Deal found 5/17/22

May 28 - Jun 5
MDT

Harrisburg

SEA

Seattle/Tacoma Intl

1 stop

8h 20m
SEA

Seattle/Tacoma Intl

MDT

Harrisburg

1 stop

11h 38m
$925

United Airlines

View Deal

Deal found 5/18/22

Last minute flights from Harrisburg to Seattle

Late deals on return flights to Seattle from Harrisburg, departing today and this week
May 28 - Jun 5
MDT

Harrisburg

SEA

Seattle/Tacoma Intl

1 stop

8h 20m
SEA

Seattle/Tacoma Intl

MDT

Harrisburg

1 stop

11h 38m
$925

United Airlines

View Deal

Deal found 5/18/22

May 24 - May 27
MDT

Harrisburg

SEA

Seattle/Tacoma Intl

1 stop

7h 25m
SEA

Seattle/Tacoma Intl

MDT

Harrisburg

1 stop

7h 50m
$1,108

Delta

View Deal

Deal found 5/17/22

May 24 - May 27
MDT

Harrisburg

SEA

Seattle/Tacoma Intl

1 stop

10h 55m
SEA

Seattle/Tacoma Intl

MDT

Harrisburg

2 stops

12h 15m
$1,153

United Airlines

View Deal

Deal found 5/17/22

One-way flights to Seattle/Tacoma Intl from Harrisburg

The cheapest one-way flights from Harrisburg to Seattle
Oct 3
MDT

Harrisburg

SEA

Seattle/Tacoma Intl

2 stops

10h 14m
$242

American Airlines

View Deal

Deal found 5/17/22

Aug 12
MDT

Harrisburg

SEA

Seattle/Tacoma Intl

3 stops

30h 48m
$278

Multiple Airlines

View Deal

Deal found 5/17/22

Aug 12
MDT

Harrisburg

SEA

Seattle/Tacoma Intl

1 stop

25h 36m
$290

Multiple Airlines

View Deal

Deal found 5/17/22

Related info for your journey

Useful info, stats and facts about Harrisburg to Seattle flights.

Which airlines flying from Harrisburg to Seattle/Tacoma Intl have flexible cancellations due to COVID-19?

American Airlines, United Airlines, and Delta are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Can I find flights from Harrisburg to Seattle for under $500 on Cheapflights?

Yes, there are multiple flights from Harrisburg to Seattle for under $500. The cheapest flight booked recently is on American Airlines for just $416, but on average you can expect to pay $511.

Are there last-minute flights available from Harrisburg to Seattle for under $1,000?

There are currently 13+ open flights from Harrisburg to Seattle within the next 7 days for less than $1,000.

How popular is this Harrisburg to Seattle flight route?

Within the past month, 14 users have taken a look at flights from Harrisburg to Seattle/Tacoma Intl.

What are the cheapest airlines flying from Harrisburg to Seattle round-trip?

American Airlines, at $416, was found to be the cheapest airline from Harrisburg to Seattle.Alternate airlines to your destination round-trip include United Airlines and Delta.

What are the cheapest airlines to fly from Harrisburg to Seattle one-way?

To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $242. Frontier flights start at $358 while deals on Alaska Airlines start at $398 one-way.

What are the most popular airlines that fly from Harrisburg to Seattle?

Consider American Airlines, Alaska Airlines or Delta when booking your flight. These represent the most popular airlines when flying from Harrisburg to Seattle.

What are the cheapest flights from Harrisburg to Seattle?

Looking for the cheapest flight from Harrisburg to Seattle? While on average our users pay $1,181, our data indicates the cheapest price to be $20. The most popular route (Harrisburg - Seattle/Tacoma Intl), is priced around $586.

Alternative routes for Harrisburg to Seattle

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Harrisburg to Seattle

The chart below displays the airlines Cheapflights users traveling from Harrisburg to Seattle choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
FrontierCheapest$124Average$265FlexibilityNo cancel feeOn-time62%COVID-19 safety
Search Frontier flights
DeltaCheapest$131Average$462FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights
United AirlinesCheapest$187Average$438FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights
American AirlinesCheapest$210Average$454FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights
Alaska AirlinesCheapest$298Average$546FlexibilityNo cancel feeOn-time75%COVID-19 safety
Search Alaska Airlines flights