$226+ Cheap flights from Harrisburg (MDT) to Washington
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 11/23. Fares are subject to change and may not be available on all flights or dates of travel.
MDT — SEA
Nov 25 — Dec 21
Round-trip
1 adult, Economy
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Find cheap flights from Harrisburg to Washington with Cheapflights
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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
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Cheapest flights from Harrisburg to WashingtonExplore the most affordable flight options available from Harrisburg to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 26, 2026.
Explore the most affordable flight options available from Harrisburg to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 26, 2026.
This American Airlines deal was found by Cheapflights users on 10/22. 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 12/1110:14 am -
1 stop11h 09m
Tue 12/1510:53 am -
1 stop8h 35m
Deal found 10/22![American Airlines logo]()
$399
This United Airlines deal was found by Cheapflights users on 10/25. 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 12/46:20 am -
2 stops12h 58m
Sat 12/57:00 am -
1 stop6h 56m
Deal found 10/25![United Airlines logo]()
$404
This United Airlines deal was found by Cheapflights users on 10/25. 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 12/28:19 am -
2 stops11h 03m
Sun 12/1310:48 am -
1 stop7h 06m
Deal found 10/25![United Airlines logo]()
$435
This American Airlines deal was found by Cheapflights users on 10/22. 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 11/61:59 pm -
1 stop11h 00m
Thu 11/1210:27 am -
1 stop9h 20m
Deal found 10/22![American Airlines logo]()
$439
This United Airlines deal was found by Cheapflights users on 10/24. 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 11/1110:30 am -
2 stops11h 33m
Sat 11/1410:50 am -
1 stop7h 43m
Deal found 10/24![United Airlines logo]()
$444
This American Airlines deal was found by Cheapflights users on 10/23. 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 11/116:34 am -
1 stop9h 49m
Tue 11/176:25 am -
2 stops12h 50m
Deal found 10/23![American Airlines logo]()
$444
This United Airlines deal was found by Cheapflights users on 10/23. 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 12/96:17 am -
2 stops10h 32m
Sun 12/138:30 am -
2 stops9h 24m
Deal found 10/23![United Airlines logo]()
$462
This Delta deal was found by Cheapflights users on 10/23. 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.
Wed 11/116:00 am -
2 stops11h 46m
Tue 11/177:37 pm -
2 stops13h 08m
Deal found 10/23![Delta logo]()
$469
This American Airlines deal was found by Cheapflights users on 10/22. 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 11/61:59 pm -
1 stop11h 00m
Mon 11/99:45 pm -
1 stop9h 35m
Deal found 10/22![American Airlines logo]()
$479
This American Airlines deal was found by Cheapflights users on 10/26. 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 12/1212:04 pm -
1 stop11h 27m
Fri 12/185:45 am -
1 stop8h 05m
Deal found 10/26![American Airlines logo]()
$485
This American Airlines deal was found by Cheapflights users on 10/22. 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.
Tue 11/36:34 am -
1 stop10h 46m
Mon 11/99:15 am -
1 stop8h 44m
Deal found 10/22![American Airlines logo]()
$488
This United Airlines deal was found by Cheapflights users on 10/25. 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 12/48:19 am -
2 stops11h 03m
Wed 12/165:05 am -
2 stops8h 53m
Deal found 10/25![United Airlines logo]()
$493
Best flights from Harrisburg to WashingtonDiscover carefully curated flight deals from Harrisburg to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 26, 2026.
Discover carefully curated flight deals from Harrisburg to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 26, 2026.
This American Airlines deal was found by Cheapflights users on 10/26. 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 11/116:34 am -
1 stop9h 49m
Tue 11/176:25 am -
2 stops12h 50m
Deal found 10/26![American Airlines logo]()
$444
This Delta deal was found by Cheapflights users on 10/23. 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.
Wed 11/116:00 am -
1 stop9h 31m
Tue 11/1712:54 pm -
1 stop7h 56m
Deal found 10/23![Delta logo]()
$519
This United Airlines deal was found by Cheapflights users on 10/24. 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 12/58:19 am -
1 stop10h 59m
Wed 12/97:00 am -
1 stop6h 58m
Deal found 10/24![United Airlines logo]()
$529
This Alaska Airlines deal was found by Cheapflights users on 10/23. 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.
Sat 11/73:17 pm -
2 stops11h 31m
Wed 11/115:21 am -
2 stops11h 01m
Deal found 10/23![Alaska Airlines logo]()
$948
This American Airlines deal was found by Cheapflights users on 10/26. 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 11/510:12 am -
1 stop10h 59m
Thu 11/1212:34 pm -
1 stop7h 07m
Deal found 10/26![American Airlines logo]()
$525
This United Airlines deal was found by Cheapflights users on 10/26. 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 11/52:10 pm -
2 stops12h 05m
Thu 11/1210:50 am -
1 stop7h 43m
Deal found 10/26![United Airlines logo]()
$530
This United Airlines deal was found by Cheapflights users on 10/23. 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 12/116:17 am -
2 stops13h 05m
Tue 12/157:30 pm -
2 stops11h 33m
Deal found 10/23![United Airlines logo]()
$539
This United Airlines deal was found by Cheapflights users on 10/22. 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 11/118:15 am -
2 stops13h 18m
Wed 11/188:09 am -
1 stop7h 27m
Deal found 10/22![United Airlines logo]()
$574
This United Airlines deal was found by Cheapflights users on 10/22. 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 11/75:41 pm -
1 stop8h 26m
Wed 11/115:05 am -
2 stops10h 52m
Deal found 10/22![United Airlines logo]()
$614
This United Airlines deal was found by Cheapflights users on 10/22. 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 11/610:30 am -
2 stops15h 48m
Wed 11/1110:56 pm -
1 stop7h 57m
Deal found 10/22![United Airlines logo]()
$614
This United Airlines deal was found by Cheapflights users on 10/23. 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 11/68:15 am -
2 stops15h 41m
Mon 11/910:56 pm -
2 stops12h 02m
Deal found 10/23![United Airlines logo]()
$619
This Delta deal was found by Cheapflights users on 10/25. 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.
Sun 11/226:22 pm -
2 stops20h 26m
Sun 11/295:10 am -
2 stops39h 40m
Deal found 10/25![Delta logo]()
$1,088
This United Airlines deal was found by Cheapflights users on 10/21. 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 11/610:30 am -
2 stops13h 27m
Tue 11/105:00 am -
2 stops8h 54m
Deal found 10/21![United Airlines logo]()
$619
This United Airlines deal was found by Cheapflights users on 10/22. 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 11/1910:30 am -
2 stops13h 28m
Thu 11/266:50 pm -
2 stops11h 55m
Deal found 10/22![United Airlines logo]()
$738
This United Airlines deal was found by Cheapflights users on 10/22. 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 4/26:30 am -
1 stop7h 25m
Tue 4/65:00 am -
2 stops10h 40m
Deal found 10/22![United Airlines logo]()
$782
This United Airlines deal was found by Cheapflights users on 10/25. 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.
Mon 11/232:10 pm -
2 stops9h 48m
Fri 11/275:10 am -
2 stops10h 47m
Deal found 10/25![United Airlines logo]()
$882
Last-minute flights from Harrisburg to WashingtonDiscover last-minute flight deals from Harrisburg to Washington. Data last updated October 26, 2026 and is based on user searches.
Discover last-minute flight deals from Harrisburg to Washington. Data last updated October 26, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/24. 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 10/276:30 am -
1 stop8h 49m
Tue 11/310:56 pm -
1 stop7h 57m
Deal found 10/24![United Airlines logo]()
$497
This American Airlines deal was found by Cheapflights users on 10/24. 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 10/283:02 pm -
1 stop10h 57m
Thu 11/59:15 am -
1 stop6h 47m
Deal found 10/24![American Airlines logo]()
$534
This American Airlines deal was found by Cheapflights users on 10/22. 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.
Tue 11/36:34 am -
1 stop10h 46m
Mon 11/99:15 am -
1 stop8h 44m
Deal found 10/22![American Airlines logo]()
$488
This United Airlines deal was found by Cheapflights users on 10/26. 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 11/52:10 pm -
2 stops12h 05m
Thu 11/1210:50 am -
1 stop7h 43m
Deal found 10/26![United Airlines logo]()
$530
This American Airlines deal was found by Cheapflights users on 10/22. 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 11/61:59 pm -
1 stop11h 00m
Thu 11/1210:27 am -
1 stop9h 20m
Deal found 10/22![American Airlines logo]()
$439
This American Airlines deal was found by Cheapflights users on 10/22. 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 11/61:59 pm -
1 stop11h 00m
Mon 11/99:45 pm -
1 stop9h 35m
Deal found 10/22![American Airlines logo]()
$479
This American Airlines deal was found by Cheapflights users on 10/25. 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 11/66:34 am -
1 stop10h 46m
Wed 11/119:45 pm -
1 stop8h 35m
Deal found 10/25![American Airlines logo]()
$525
This United Airlines deal was found by Cheapflights users on 10/24. 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 11/1110:30 am -
2 stops11h 33m
Sat 11/1410:50 am -
1 stop7h 43m
Deal found 10/24![United Airlines logo]()
$444
This American Airlines deal was found by Cheapflights users on 10/23. 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 11/116:34 am -
1 stop9h 49m
Tue 11/176:25 am -
2 stops12h 50m
Deal found 10/23![American Airlines logo]()
$444
This Delta deal was found by Cheapflights users on 10/23. 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.
Wed 11/116:00 am -
2 stops11h 46m
Tue 11/177:37 pm -
2 stops13h 08m
Deal found 10/23![Delta logo]()
$469
This United Airlines deal was found by Cheapflights users on 10/23. 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 11/132:10 pm -
1 stop7h 53m
Thu 11/1910:56 pm -
1 stop7h 57m
Deal found 10/23![United Airlines logo]()
$529
This American Airlines deal was found by Cheapflights users on 10/23. 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 11/166:34 am -
1 stop10h 46m
Mon 11/2310:33 am -
1 stop8h 44m
Deal found 10/23![American Airlines logo]()
$399
One-way flights from Harrisburg to WashingtonSearch for one-way flight options from Harrisburg to Washington. Find affordable one-way fares based on user searches. Data last updated October 26, 2026.
Search for one-way flight options from Harrisburg to Washington. Find affordable one-way fares based on user searches. Data last updated October 26, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/22. 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.
Mon 11/234:58 pm -
3 stops25h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$226
This American Airlines deal was found by Cheapflights users on 10/22. 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 11/2310:13 am -
1 stop11h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![American Airlines logo]()
$302
This United Airlines deal was found by Cheapflights users on 10/22. 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 11/212:38 pm -
2 stops11h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![United Airlines logo]()
$307
This United Airlines deal was found by Cheapflights users on 10/24. 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.
Mon 1/42:59 pm -
1 stop9h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![United Airlines logo]()
$333
This Kiwi.com deal was found by Cheapflights users on 10/24. 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.
Sun 11/810:02 pm -
3 stops47h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Multiple Airlines logo]()
$343
This American Airlines deal was found by Cheapflights users on 10/22. 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.
Tue 11/246:15 am -
1 stop8h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![American Airlines logo]()
$367
This Delta deal was found by Cheapflights users on 10/22. 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.
Sun 11/226:22 pm -
1 stop8h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Delta logo]()
$370
This United Airlines deal was found by Cheapflights users on 10/22. 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.
Mon 11/232:10 pm -
2 stops10h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![United Airlines logo]()
$372
This United Airlines deal was found by Cheapflights users on 10/23. 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 12/810:40 am -
3 stops16h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![United Airlines logo]()
$377
Find flight deals from Harrisburg to Washington
Keep the following information in mind while searching for Harrisburg to Washington flight deals. Data was last updated October 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $399 (American Airlines) |
One-way from | $226 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $468 |
Cheapflights Fare Finder
Customize your flight search to find flights from Harrisburg to Washington 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 October 26, 2026.
Use the filters below to find and compare flights from Harrisburg to Washington that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
HarrisburgSeattle
MDT Harrisburg - SEA Seattle/Tacoma Intl
MDTSEA
Harrisburg
Mon 11/23
10:13 am-6:39 pm
1 stop11h 26m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$302
HarrisburgSeattle
MDT Harrisburg - SEA Seattle/Tacoma Intl
MDTSEA
Harrisburg
Tue 12/8
10:40 am-6:46 pm
1 stop11h 06m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$302
HarrisburgSeattle
MDT Harrisburg - SEA Seattle/Tacoma Intl
MDTSEA
Harrisburg
Mon 1/4
2:59 pm-9:02 pm
1 stop9h 03m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$333
Quickest round-trip
HarrisburgSeattle
MDT Harrisburg - SEA Seattle/Tacoma Intl
MDTSEA
Harrisburg
Sun 11/22
6:22 pm-11:57 pm
1 stop8h 35m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$370
HarrisburgSeattle
MDT Harrisburg - SEA Seattle/Tacoma Intl
MDTSEA
Harrisburg
Mon 11/23
2:10 pm-9:19 pm
2 stops10h 09m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$372
HarrisburgSeattle
MDT Harrisburg - SEA Seattle/Tacoma Intl
MDTSEA
Harrisburg
Sun 11/22
2:10 pm-12:59 am
2 stops13h 49m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$403
HarrisburgSeattle
MDT Harrisburg - SEA Seattle/Tacoma Intl
MDTSEA
Harrisburg
Fri 11/13
10:42 am-8:56 pm
2 stops13h 14m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$409
HarrisburgSeattle
MDT Harrisburg - SEA Seattle/Tacoma Intl
MDTSEA
Harrisburg
Sun 11/8
6:15 am-3:32 pm
2 stops12h 17m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$409
HarrisburgSpokane
MDT Harrisburg - GEG Spokane
MDTGEG
Harrisburg
Wed 11/11
6:34 am-1:23 pm
1 stop9h 49m
Spokane
Tue 11/17
6:25 am-10:15 pm
2 stops12h 50m
$444
HarrisburgSpokane
MDT Harrisburg - GEG Spokane
MDTGEG
Harrisburg
Wed 11/11
6:00 am-12:31 pm
1 stop9h 31m
Spokane
Tue 11/17
12:54 pm-11:50 pm
1 stop7h 56m
$519
Showing 1-10 of 24 resultsSorted by cheapest first
Best time to book a flight from Harrisburg to Washington
Have a flexible travel schedule? Discover the best time to fly to Washington from Harrisburg with our price prediction graph.
MDT-SEA
MDT-GEG
MDT-PSC
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 Harrisburg to Washington
MDT-USWA
MDT-SEA
MDT-GEG
MDT-PSC
What is the cheapest month to book a flight from Harrisburg to State of Washington?
Currently, January is the cheapest month in which you can book a flight from Harrisburg to State of Washington (average of $335). Flying from Harrisburg to State of Washington in June is currently the most expensive (average of $680). 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 Harrisburg to State of Washington?
Airfare is typical for this route at the moment.
Harrisburg to State of Washington flights typically cost between $379 and $520 in December.The cheapest round-trip price found within the last 5 days was $399 on American Airlines (Dec 11-Dec 15).
How far ahead should I book a flight from Harrisburg to State of Washington?
Booking 90 days in advance of your planned departure date is, on average, the best time to get cheap flights from Harrisburg to State of Washington. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Reviews of airlines servicing Washington
Get insights into the airlines that provide service to Washington. 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 Washington. Reviews last updated October 26, 2026.
Read through reviews of airlines operating flights from Harrisburg to Washington, such as Alaska Airlines,Delta, andUnited Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Entertainment
7.0
Boarding
8.1
Crew
8.5
Overall
7.9
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Food
7.0
Entertainment
7.0
Boarding
8.1
Crew
8.5
Overall
7.9
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Food
7.0
Entertainment
7.0
Boarding
8.1
Crew
8.5
Overall
7.9
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Food
7.0
Entertainment
7.0
Boarding
8.1
Crew
8.5
Overall
7.9
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Food
7.0
Entertainment
7.0
Boarding
8.1
Crew
8.5
Overall
7.9
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Related info for your journey
Find useful and relevant information for your journey from Harrisburg to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Harrisburg to Washington
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Complete your trip
Complete your trip to Washington by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Harrisburg to Washington by cabin class
Find flights from Harrisburg to Washington, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Harrisburg and Washington flights
Browse other Harrisburg and Washington flight options. Last updated on October 26, 2026.
Popular flight searches
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Harrisburg to Washington flights
Consider these flights traveling from Harrisburg to Washington.
Top 4 airlines flying from Harrisburg to Washington
Discover the top 4 airlines that operate flights from Harrisburg to Washington. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$159 | Average$506 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$258 | Average$471 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$298 | Average$540 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$533 | Average$744 | FlexibilityNo cancel fee | On-time75% |