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Cheap flights from Harrisburg to Seattle from $265

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Harrisburg to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
6:15 am - 11:45 amMDT  Harrisburg-SEA Seattle/Tacoma Intl
8h 30m1 stop Philadelphia
American Airlines Logo
9:15 am - 9:07 pmSEA  Seattle/Tacoma Intl-MDT Harrisburg
8h 52m1 stop Philadelphia
$381American Airlines
Wed, Nov 25 - Wed, Dec 9
American Airlines Logo
3:17 pm - 8:19 pmMDT  Harrisburg-SEA Seattle/Tacoma Intl
8h 02m1 stop Chicago O'Hare Intl
American Airlines Logo
6:14 am - 7:22 pmSEA  Seattle/Tacoma Intl-MDT Harrisburg
10h 08m1 stop Chicago O'Hare Intl
$381American Airlines
Sat, Nov 7 - Wed, Nov 11
United Airlines Logo
6:30 am - 11:40 amMDT  Harrisburg-SEA Seattle/Tacoma Intl
8h 10m1 stop Chicago O'Hare Intl
United Airlines Logo
7:00 am - 6:40 pmSEA  Seattle/Tacoma Intl-MDT Harrisburg
8h 40m1 stop Chicago O'Hare Intl
$381United Airlines
Tue, Feb 16 - Wed, Feb 24
American Airlines Logo
4:52 pm - 10:27 pmMDT  Harrisburg-SEA Seattle/Tacoma Intl
8h 35m1 stop Charlotte Douglas
American Airlines Logo
10:17 am - 10:32 pmSEA  Seattle/Tacoma Intl-MDT Harrisburg
9h 15m1 stop Chicago O'Hare Intl
$381American Airlines
Tue, Jan 19 - Tue, Jan 26
United Airlines Logo
5:41 pm - 11:07 pmMDT  Harrisburg-SEA Seattle/Tacoma Intl
8h 26m1 stop Chicago O'Hare Intl
United Airlines Logo
5:05 am - 6:57 pmSEA  Seattle/Tacoma Intl-MDT Harrisburg
10h 52m2 stops Denver Intl Chicago O'Hare Intl
$386United Airlines
Sat, Nov 7 - Wed, Nov 11
United Airlines Logo
10:35 am - 9:02 pmMDT  Harrisburg-SEA Seattle/Tacoma Intl
13h 27m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl
United Airlines Logo
10:52 am - 8:49 pmSEA  Seattle/Tacoma Intl-MDT Harrisburg
6h 57m1 stop Chicago O'Hare Intl
$386United Airlines
Tue, Jan 19 - Tue, Jan 26
Delta Logo
5:05 pm - 9:58 pmMDT  Harrisburg-SEA Seattle/Tacoma Intl
7h 53m1 stop Detroit Metropolitan Wayne County
Delta Logo
6:00 am - 4:25 pmSEA  Seattle/Tacoma Intl-MDT Harrisburg
7h 25m1 stop Detroit Metropolitan Wayne County
$440Delta
Sat, Nov 21 - Fri, Nov 27
Alaska Airlines Logo
6:08 am - 11:44 amMDT  Harrisburg-SEA Seattle/Tacoma Intl
8h 36m1 stop Chicago O'Hare Intl
Alaska Airlines Logo
11:56 am - 10:19 pmSEA  Seattle/Tacoma Intl-MDT Harrisburg
7h 23m1 stop Chicago O'Hare Intl
$745Alaska Airlines
Thu, Oct 15 - Mon, Oct 19
Alaska Airlines Logo
6:34 am - 2:31 pmMDT  Harrisburg-SEA Seattle/Tacoma Intl
10h 57m2 stops Chicago O'Hare Intl Boise Air Term. Gowen Fld
Alaska Airlines Logo
8:48 pm - 7:22 pmSEA  Seattle/Tacoma Intl-MDT Harrisburg
19h 34m2 stops San Diego Chicago O'Hare Intl
$755Alaska Airlines
Thu, Nov 5 - Sun, Nov 8
Alaska Airlines Logo
6:34 am - 2:31 pmMDT  Harrisburg-SEA Seattle/Tacoma Intl
10h 57m2 stops Chicago O'Hare Intl Boise Air Term. Gowen Fld
Alaska Airlines Logo
7:46 pm - 7:22 pmSEA  Seattle/Tacoma Intl-MDT Harrisburg
20h 36m2 stops San Diego Chicago O'Hare Intl
$755Alaska Airlines
Thu, Nov 5 - Sun, Nov 8

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United Airlines flights from Harrisburg to Seattle

Our best United Airlines deals on Harrisburg to Seattle flight tickets
United Airlines
Jan 19
MDT5:39 pmHarrisburg
8h 00m
1 stop
SEA10:39 pmSeattle/Tacoma Intl
Jan 26
SEA7:32 pmSeattle/Tacoma Intl
11h 23m
2 stops
MDT9:55 amHarrisburg
$386
United Airlines
Jan 19
MDT8:35 amHarrisburg
12h 37m
2 stops
SEA6:12 pmSeattle/Tacoma Intl
Jan 24
SEA8:08 amSeattle/Tacoma Intl
7h 36m
1 stop
MDT6:44 pmHarrisburg
$395
United Airlines
Oct 29
MDT2:40 pmHarrisburg
11h 37m
2 stops
SEA11:17 pmSeattle/Tacoma Intl
Nov 2
SEA10:56 pmSeattle/Tacoma Intl
7h 57m
1 stop
MDT9:53 amHarrisburg
$404

American Airlines flights from Harrisburg to Seattle

Our best American Airlines deals on Harrisburg to Seattle flight tickets
American Airlines
Nov 7
MDT3:17 pmHarrisburg
8h 02m
1 stop
SEA8:19 pmSeattle/Tacoma Intl
Nov 11
SEA6:14 amSeattle/Tacoma Intl
10h 08m
1 stop
MDT7:22 pmHarrisburg
$381
American Airlines
Nov 3
MDT5:00 pmHarrisburg
8h 34m
1 stop
SEA10:34 pmSeattle/Tacoma Intl
Nov 9
SEA9:45 pmSeattle/Tacoma Intl
9h 35m
1 stop
MDT10:20 amHarrisburg
$390
American Airlines
Nov 6
MDT1:59 pmHarrisburg
11h 00m
1 stop
SEA9:59 pmSeattle/Tacoma Intl
Nov 9
SEA9:45 pmSeattle/Tacoma Intl
9h 35m
1 stop
MDT10:20 amHarrisburg
$399

momondo Fare Finder

 
Use the filters below to find and compare flights from Harrisburg to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HarrisburgSeattle

MDT Harrisburg - SEA Seattle/Tacoma Intl

MDTSEA

Harrisburg

Wed 11/25

6:15 am-11:45 am

1 stop8h 30m

Seattle/Tacoma Intl

Wed 12/9

9:15 am-9:07 pm

1 stop8h 52m

$381

HarrisburgSeattle

MDT Harrisburg - SEA Seattle/Tacoma Intl

MDTSEA

Harrisburg

Sat 11/7

3:17 pm-8:19 pm

1 stop8h 02m

Seattle/Tacoma Intl

Wed 11/11

6:14 am-7:22 pm

1 stop10h 08m

$381

HarrisburgSeattle

MDT Harrisburg - SEA Seattle/Tacoma Intl

MDTSEA

Harrisburg

Tue 2/16

6:30 am-11:40 am

1 stop8h 10m

Seattle/Tacoma Intl

Wed 2/24

7:00 am-6:40 pm

1 stop8h 40m

$381

HarrisburgSeattle

MDT Harrisburg - SEA Seattle/Tacoma Intl

MDTSEA

Harrisburg

Tue 1/19

4:52 pm-10:27 pm

1 stop8h 35m

Seattle/Tacoma Intl

Tue 1/26

10:17 am-10:32 pm

1 stop9h 15m

$381

HarrisburgSeattle

MDT Harrisburg - SEA Seattle/Tacoma Intl

MDTSEA

Harrisburg

Sat 11/7

5:41 pm-11:07 pm

1 stop8h 26m

Seattle/Tacoma Intl

Wed 11/11

5:05 am-6:57 pm

2 stops10h 52m

$386

HarrisburgSeattle

MDT Harrisburg - SEA Seattle/Tacoma Intl

MDTSEA

Harrisburg

Tue 1/19

10:35 am-9:02 pm

2 stops13h 27m

Seattle/Tacoma Intl

Tue 1/26

10:52 am-8:49 pm

1 stop6h 57m

$386
Quickest round-trip

HarrisburgSeattle

MDT Harrisburg - SEA Seattle/Tacoma Intl

MDTSEA

Harrisburg

Sat 11/21

5:05 pm-9:58 pm

1 stop7h 53m

Seattle/Tacoma Intl

Fri 11/27

6:00 am-4:25 pm

1 stop7h 25m

$440

HarrisburgSeattle

MDT Harrisburg - SEA Seattle/Tacoma Intl

MDTSEA

Harrisburg

Thu 10/15

6:08 am-11:44 am

1 stop8h 36m

Seattle/Tacoma Intl

Mon 10/19

11:56 am-10:19 pm

1 stop7h 23m

$745

HarrisburgSeattle

MDT Harrisburg - SEA Seattle/Tacoma Intl

MDTSEA

Harrisburg

Thu 11/5

6:34 am-2:31 pm

2 stops10h 57m

Seattle/Tacoma Intl

Sun 11/8

8:48 pm-7:22 pm

2 stops19h 34m

$755

HarrisburgSeattle

MDT Harrisburg - SEA Seattle/Tacoma Intl

MDTSEA

Harrisburg

Thu 11/5

6:34 am-2:31 pm

2 stops10h 57m

Seattle/Tacoma Intl

Sun 11/8

7:46 pm-7:22 pm

2 stops20h 36m

$755

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Seattle from

How to get the cheapest flight ticket from Harrisburg to Seattle

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 Harrisburg and Seattle?

Prices are currently low for flights on this route.

Typical prices usually range from $395 to $546.
The lowest price recently found on this route was $381.

What is the cheapest month to fly to Seattle?

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 $359. If you don’t want to visit Seattle in February, then you should wait until November to fly from Harrisburg, when ticket prices are also cheap, with an average price of $379.

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

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 $460 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 $305 on momondo.

How have Harrisburg to Seattle flight prices changed over time?

As of October 2026, prices for Harrisburg to Seattle flights are approximately 13% cheaper when compared to flights at the same time last year.

When to book flights from Harrisburg to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Harrisburg to Seattle according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

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

Best Price Found

$265

Fastest flight time

7h 59m

Direct flights

None
The best one-way flight to Seattle from Harrisburg in the past 72 hours is $265. The best round-trip flight deal from Harrisburg to Seattle found on momondo in the last 72 hours is $381.
The fastest flight from Harrisburg to Seattle takes 7h 59m
There are no direct flights from Harrisburg to Seattle. There are no popular flight routes from Harrisburg to Seattle.
Search flight deals

Frequently asked questions about flying from Harrisburg to Seattle

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

    The straight-line distance from Harrisburg to Seattle/Tacoma Intl is 2281.5 mi. A reasonable flight in good conditions will take 7h 59m.

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

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

  • 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?

    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.

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

    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.

  • What is the most popular airline from Harrisburg to Seattle?

Best airlines flying from Harrisburg to Seattle

Compare and see reviews for airlines that fly from Harrisburg to Seattle with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $159Free CancellationRating
7.8
8,626 reviews
Search Delta flights
United AirlinesPriceFrom $258Free CancellationRating
7.4
10,285 reviews
Search United Airlines flights
American AirlinesPriceFrom $293Free CancellationRating
7.0
12,131 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $468Free CancellationRating
7.9
13,012 reviews
Search Alaska Airlines flights

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Leavenworth
SeaTac
Ocean Shores
Renton
Kent
Redmond
Olympia
Lakewood
Federal Way
Puyallup
Fife
Lynnwood
Tukwila
Cle Elum
Marysville
Lacey
Centralia
Kirkland
Shoreline

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Harrisburg to Seattle. momondo saves you time and could save you money on your trip.

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

Yes. momondo enables you to select and highlight flights to Seattle from Harrisburg with this policy.

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

momondo provides multiple filters to help you find the best flight to Seattle from Harrisburg. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Of course. momondo tracks the price of Harrisburg to Seattle flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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