Cheap flights from Harrisburg to Seattle from $256
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 11/14. 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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Fly from
Fly to
Route
Depart
Return
HarrisburgSeattle
MDT Harrisburg - SEA Seattle/Tacoma Intl
MDTSEA
Harrisburg
Tue 1/19
6:47 am-1:25 pm
1 stop9h 38m
Seattle/Tacoma Intl
Tue 1/26
12:47 pm-11:20 pm
1 stop7h 33m
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
HarrisburgSeattle
MDT Harrisburg - SEA Seattle/Tacoma Intl
MDTSEA
Harrisburg
Wed 11/25
2:15 pm-8:21 pm
1 stop9h 06m
Seattle/Tacoma Intl
Wed 12/9
9:15 am-8:09 pm
1 stop7h 54m
HarrisburgSeattle
MDT Harrisburg - SEA Seattle/Tacoma Intl
MDTSEA
Harrisburg
Sat 11/7
5:10 pm-10:05 pm
1 stop7h 55m
Seattle/Tacoma Intl
Mon 11/9
11:15 pm-11:29 am
1 stop9h 14m
HarrisburgSeattle
MDT Harrisburg - SEA Seattle/Tacoma Intl
MDTSEA
Harrisburg
Tue 1/19
6:10 am-10:42 am
1 stop7h 32m
Seattle/Tacoma Intl
Mon 1/25
6:00 am-4:08 pm
1 stop7h 08m
HarrisburgSeattle
MDT Harrisburg - SEA Seattle/Tacoma Intl
MDTSEA
Harrisburg
Sat 11/7
6:30 am-12:19 pm
1 stop8h 49m
Seattle/Tacoma Intl
Mon 11/9
8:18 pm-9:53 am
2 stops10h 35m
HarrisburgSeattle
MDT Harrisburg - SEA Seattle/Tacoma Intl
MDTSEA
Harrisburg
Tue 10/27
2:56 pm-10:03 pm
1 stop10h 07m
Seattle/Tacoma Intl
Fri 11/6
11:10 pm-11:33 am
1 stop9h 23m
HarrisburgSeattle
MDT Harrisburg - SEA Seattle/Tacoma Intl
MDTSEA
Harrisburg
Thu 12/10
6:17 am-11:44 am
1 stop8h 27m
Seattle/Tacoma Intl
Mon 12/14
5:05 am-6:43 pm
2 stops10h 38m
HarrisburgSeattle
MDT Harrisburg - SEA Seattle/Tacoma Intl
MDTSEA
Harrisburg
Thu 11/5
6:34 am-4:57 pm
2 stops13h 23m
Seattle/Tacoma Intl
Sun 11/8
8:59 pm-7:22 pm
2 stops19h 23m
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
2:13 pm-7:22 pm
2 stops26h 09m
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 $389.
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.
What is the cheapest airline that flies from Harrisburg to Seattle/Tacoma Intl?
American Airlines is the most popular carrier operating from Harrisburg to Seattle/Tacoma Intl
What airlines fly to Seattle?
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 58% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 6 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.
Which airport is the most popular layover for flights between Harrisburg and Seattle?
Chicago (ORD) was the most common stop: 73% 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 Detroit (DTW) offer the lowest average round-trip price of $327.
Which layover airport has the shortest travel time from Harrisburg to Seattle?
Flights connecting via Detroit (DTW) have the shortest average one-way travel time: 7h 42m.
Which layover airport has the shortest connection time from Harrisburg to Seattle?
Detroit (DTW) has the shortest average layover time for this route: 1h 02m.
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
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 8h 02m.
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?
The number of operators available for flights from Harrisburg Airport to Seattle/Tacoma Intl Airport is 4 as of October 2026.
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?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Harrisburg to Seattle is American Airlines (54% of total bookings). The next most popular airlines are United Airlines (33%), Alaska Airlines (10%), and Delta (4%).
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 | ||
|---|---|---|---|---|---|
| PriceFrom $159 | Free Cancellation | Rating 7.8 8,650 reviews | |||
| PriceFrom $258 | Free Cancellation | Rating 7.4 10,331 reviews | |||
| PriceFrom $298 | Free Cancellation | Rating 7.0 12,151 reviews | |||
| PriceFrom $468 | Free Cancellation | Rating 7.9 13,041 reviews |
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsWhy 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.