$293+ Cheap flights from Seattle to Harrisburg (SEA - MDT)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MDT
Oct 12 — Oct 191
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Harrisburg with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Seattle to Harrisburg
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Cheapest flights from Seattle to HarrisburgExplore the most affordable flight options available from Seattle to Harrisburg. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 12, 2026.
Explore the most affordable flight options available from Seattle to Harrisburg. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 12, 2026.
This American Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2512:45 pm -
1 stop7h 00m
Sat 12/52:56 pm -
1 stop10h 03m
Deal found 9/10![American Airlines logo]()
$361
This American Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1010:48 pm -
1 stop8h 29m
Sat 10/176:43 am -
1 stop8h 26m
Deal found 9/8![American Airlines logo]()
$362
This American Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/910:48 pm -
1 stop9h 54m
Sat 10/103:15 pm -
1 stop7h 59m
Deal found 9/10![American Airlines logo]()
$364
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/257:04 pm -
2 stops11h 41m
Sat 12/55:39 pm -
1 stop7h 54m
Deal found 9/10![United Airlines logo]()
$366
This American Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/412:38 pm -
1 stop7h 43m
Sun 11/86:15 am -
1 stop8h 19m
Deal found 9/9![American Airlines logo]()
$370
This American Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2212:49 pm -
1 stop7h 10m
Fri 10/3012:07 pm -
1 stop8h 59m
Deal found 9/9![American Airlines logo]()
$379
This American Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1410:48 pm -
1 stop8h 29m
Wed 10/215:49 pm -
1 stop8h 21m
Deal found 9/12![American Airlines logo]()
$381
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2211:13 pm -
1 stop7h 38m
Fri 10/306:15 am -
2 stops12h 17m
Deal found 9/9![United Airlines logo]()
$384
This United Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:25 pm -
2 stops11h 26m
Wed 10/216:30 am -
1 stop7h 57m
Deal found 9/12![United Airlines logo]()
$386
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2211:44 pm -
1 stop7h 06m
Tue 1/55:39 pm -
1 stop8h 00m
Deal found 9/10![United Airlines logo]()
$387
This American Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2912:49 pm -
1 stop7h 10m
Tue 11/33:15 pm -
1 stop8h 05m
Deal found 9/12![American Airlines logo]()
$390
Best flights from Seattle to HarrisburgDiscover carefully curated flight deals from Seattle to Harrisburg that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 12, 2026.
Discover carefully curated flight deals from Seattle to Harrisburg that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 12, 2026.
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/257:04 pm -
2 stops11h 41m
Sat 12/55:39 pm -
1 stop7h 54m
Deal found 9/10![United Airlines logo]()
$366
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2211:44 pm -
1 stop7h 06m
Tue 1/55:39 pm -
1 stop8h 00m
Deal found 9/10![United Airlines logo]()
$387
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/107:25 pm -
2 stops11h 26m
Fri 10/165:54 pm -
1 stop8h 02m
Deal found 9/11![United Airlines logo]()
$404
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/68:00 am -
1 stop7h 28m
Wed 2/108:32 am -
1 stop10h 44m
Deal found 9/10![United Airlines logo]()
$471
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/911:13 pm -
1 stop7h 38m
Sat 10/172:08 pm -
2 stops12h 19m
Deal found 9/9![United Airlines logo]()
$499
This United Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/299:05 am -
2 stops11h 39m
Tue 11/38:15 am -
2 stops15h 32m
Deal found 9/12![United Airlines logo]()
$511
Last-minute flights from Seattle to HarrisburgDiscover last-minute flight deals from Seattle to Harrisburg. Data last updated September 12, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Harrisburg. Data last updated September 12, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/210:45 pm -
1 stop8h 51m
Sat 10/2410:02 am -
1 stop11h 04m
Deal found 9/7![American Airlines logo]()
$370
This United Airlines deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/211:13 pm -
1 stop7h 38m
Sat 10/242:08 pm -
2 stops12h 18m
Deal found 9/7![United Airlines logo]()
$429
This American Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/910:48 pm -
1 stop9h 54m
Sat 10/103:15 pm -
1 stop7h 59m
Deal found 9/10![American Airlines logo]()
$364
This American Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1010:48 pm -
1 stop8h 29m
Sat 10/176:43 am -
1 stop8h 26m
Deal found 9/8![American Airlines logo]()
$362
This American Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/108:24 am -
1 stop9h 51m
Fri 10/166:43 am -
1 stop7h 56m
Deal found 9/11![American Airlines logo]()
$399
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/107:25 pm -
2 stops11h 26m
Fri 10/165:54 pm -
1 stop8h 02m
Deal found 9/11![United Airlines logo]()
$404
This American Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1410:48 pm -
1 stop8h 29m
Wed 10/215:49 pm -
1 stop8h 21m
Deal found 9/12![American Airlines logo]()
$381
This United Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:25 pm -
2 stops11h 26m
Wed 10/216:30 am -
1 stop7h 57m
Deal found 9/12![United Airlines logo]()
$386
This American Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2212:49 pm -
1 stop7h 10m
Fri 10/3012:07 pm -
1 stop8h 59m
Deal found 9/9![American Airlines logo]()
$379
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2211:13 pm -
1 stop7h 38m
Fri 10/306:15 am -
2 stops12h 17m
Deal found 9/9![United Airlines logo]()
$384
This American Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/269:42 pm -
1 stop9h 29m
Mon 11/26:34 am -
1 stop10h 46m
Deal found 9/11![American Airlines logo]()
$398
This American Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2912:49 pm -
1 stop7h 10m
Tue 11/33:15 pm -
1 stop8h 05m
Deal found 9/12![American Airlines logo]()
$390
One-way flights from Seattle to HarrisburgSearch for one-way flight options from Seattle to Harrisburg. Find affordable one-way fares based on user searches. Data last updated September 12, 2026.
Search for one-way flight options from Seattle to Harrisburg. Find affordable one-way fares based on user searches. Data last updated September 12, 2026.
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1310:35 pm -
1 stop9h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Delta logo]()
$293
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/137:25 pm -
2 stops11h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![United Airlines logo]()
$308
This American Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/86:14 am -
1 stop10h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![American Airlines logo]()
$313
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/87:35 pm -
2 stops11h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![United Airlines logo]()
$328
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/138:00 pm -
3 stops41h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$331
This KAYAK deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2310:17 am -
1 stop9h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![American Airlines logo]()
$344
This KAYAK deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/309:42 pm -
1 stop9h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![American Airlines logo]()
$347
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1710:42 am -
1 stop7h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![United Airlines logo]()
$384
This Alaska Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/178:49 pm -
2 stops18h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Alaska Airlines logo]()
$460
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/179:45 pm -
3 stops58h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$486
This Kiwi.com deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/249:45 pm -
3 stops58h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Multiple Airlines logo]()
$518
Find flight deals from Seattle to Harrisburg
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Harrisburg (MDT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $361 (American Airlines) |
One-way from | $293 (Delta) |
Popular in | December |
Cheapest in | April |
Average price | $454 |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Harrisburg that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 12, 2026.
Use the filters below to find and compare flights from Seattle to Harrisburg that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleHarrisburg
SEA Seattle/Tacoma Intl - MDT Harrisburg
SEAMDT
Seattle/Tacoma Intl
Tue 10/13
10:35 pm-10:59 am
1 stop9h 24m
Harrisburg
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$293
SeattleHarrisburg
SEA Seattle/Tacoma Intl - MDT Harrisburg
SEAMDT
Seattle/Tacoma Intl
Tue 10/13
7:25 pm-9:51 am
2 stops11h 26m
Harrisburg
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$308
SeattleHarrisburg
SEA Seattle/Tacoma Intl - MDT Harrisburg
SEAMDT
Seattle/Tacoma Intl
Sun 11/8
7:35 pm-9:45 am
2 stops11h 10m
Harrisburg
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$328
SeattleHarrisburg
SEA Seattle/Tacoma Intl - MDT Harrisburg
SEAMDT
Seattle/Tacoma Intl
Mon 11/9
10:56 pm-1:58 pm
2 stops12h 02m
Harrisburg
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$328
SeattleHarrisburg
SEA Seattle/Tacoma Intl - MDT Harrisburg
SEAMDT
Seattle/Tacoma Intl
Wed 9/23
10:17 am-10:47 pm
1 stop9h 30m
Harrisburg
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$344
SeattleHarrisburg
SEA Seattle/Tacoma Intl - MDT Harrisburg
SEAMDT
Seattle/Tacoma Intl
Wed 9/30
9:42 pm-10:17 am
1 stop9h 35m
Harrisburg
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$347
SeattleHarrisburg
SEA Seattle/Tacoma Intl - MDT Harrisburg
SEAMDT
Seattle/Tacoma Intl
Wed 11/25
7:04 pm-9:45 am
2 stops11h 41m
Harrisburg
Sat 12/5
5:39 pm-10:33 pm
1 stop7h 54m
$366
Quickest round-trip
SeattleHarrisburg
SEA Seattle/Tacoma Intl - MDT Harrisburg
SEAMDT
Seattle/Tacoma Intl
Thu 9/24
10:36 pm-10:17 am
1 stop8h 41m
Harrisburg
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$384
SeattleHarrisburg
SEA Seattle/Tacoma Intl - MDT Harrisburg
SEAMDT
Seattle/Tacoma Intl
Tue 12/22
11:44 pm-9:50 am
1 stop7h 06m
Harrisburg
Tue 1/5
5:39 pm-10:39 pm
1 stop8h 00m
$387
SeattleHarrisburg
SEA Seattle/Tacoma Intl - MDT Harrisburg
SEAMDT
Seattle/Tacoma Intl
Sat 10/10
7:25 pm-9:51 am
2 stops11h 26m
Harrisburg
Fri 10/16
5:54 pm-10:56 pm
1 stop8h 02m
$404
Showing 1-10 of 16 resultsSorted by cheapest first
Compare providers for flights from Seattle to Harrisburg
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Harrisburg in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Seattle-Harrisburg flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Harrisburg flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Harrisburg flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Seattle-Harrisburg flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Harrisburg flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Seattle to Harrisburg
Have a flexible travel schedule? Discover the best time to fly to Harrisburg from Seattle with our price prediction graph.
SEA-MDT
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Seattle to Harrisburg
What is the cheapest month to book a flight from Seattle to Harrisburg?
Currently, April is the cheapest month in which you can book a flight from Seattle to Harrisburg (average of $418). Flying from Seattle to Harrisburg in December is currently the most expensive (average of $658). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Seattle to Harrisburg?
Airfare is below average for this route at the moment.
Seattle to Harrisburg flights typically cost between $412 and $498 in November.The cheapest round-trip price found within the last 5 days was $361 on American Airlines (Nov 25-Dec 5).
Reviews of airlines servicing Harrisburg
Get insights into the airlines that provide service to Harrisburg. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Harrisburg. Reviews last updated September 12, 2026.
Read through reviews of airlines operating flights from Seattle to Harrisburg, such as Alaska Airlines,Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.9
Comfort
7.8
Entertainment
7.0
Crew
8.5
Food
7.0
Boarding
8.1
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Overall
7.9
Comfort
7.8
Entertainment
7.0
Crew
8.5
Food
7.0
Boarding
8.1
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Overall
7.9
Comfort
7.8
Entertainment
7.0
Crew
8.5
Food
7.0
Boarding
8.1
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Overall
7.9
Comfort
7.8
Entertainment
7.0
Crew
8.5
Food
7.0
Boarding
8.1
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Overall
7.9
Comfort
7.8
Entertainment
7.0
Crew
8.5
Food
7.0
Boarding
8.1
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Related info for your journey
Find useful and relevant information for your journey from Seattle to Harrisburg. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Harrisburg?
Book flights to Harrisburg if you plan to visit one of these locationsHershey
Mechanicsburg
Camp Hill
Carlisle
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Seattle and Harrisburg flights
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Top 4 airlines flying from Seattle to Harrisburg
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$199 | Average$479 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$277 | Average$445 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$298 | Average$523 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$463 | Average$798 | FlexibilityNo cancel fee | On-time75% |