$114+ Cheap flights from Charleston (CHS) to Washington
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — SEA
Aug 24 — Aug 311
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Charleston to Washington 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 Charleston to Washington
Cheapest
Best
Last-minute
One-way
Cheapest flights from Charleston to WashingtonExplore the most affordable flight options available from Charleston to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 25, 2026.
Explore the most affordable flight options available from Charleston to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 25, 2026.
This Southwest deal was found by Cheapflights users on 7/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/111:15 pm
CHS
- SEA
1 stop7h 55m
Southwest
Tue 8/187:10 am
SEA
- CHS
2 stops9h 35m
Southwest
Deal found 7/24![Southwest logo]()
$343
This Kiwi.com deal was found by Cheapflights users on 7/24. 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.
Tue 8/186:00 am
CHS
- SEA
2 stops31h 39m
Multiple Airlines
Fri 8/2110:34 am
SEA
- CHS
1 stop31h 05m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$344
This United Airlines deal was found by Cheapflights users on 7/23. 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.
Mon 8/104:16 pm
CHS
- SEA
1 stop9h 54m
United Airlines
Tue 8/185:00 am
SEA
- CHS
1 stop7h 28m
United Airlines
Deal found 7/23![United Airlines logo]()
$346
This Alaska Airlines deal was found by Cheapflights users on 7/21. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/207:08 pm
CHS
- SEA
Nonstop5h 51m
Alaska Airlines
Sun 8/239:45 am
SEA
- CHS
Nonstop5h 20m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$347
This Southwest deal was found by Cheapflights users on 7/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/37:00 am
CHS
- SEA
2 stops14h 45m
Southwest
Thu 9/1010:30 pm
SEA
- CHS
1 stop9h 20m
Southwest
Deal found 7/20![Southwest logo]()
$348
This American Airlines deal was found by Cheapflights users on 7/25. 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.
Sun 11/224:59 pm
CHS
- SEA
1 stop9h 20m
American Airlines
Tue 12/111:16 am
SEA
- CHS
1 stop7h 35m
American Airlines
Deal found 7/25![American Airlines logo]()
$349
This United Airlines deal was found by Cheapflights users on 7/21. 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.
Tue 9/811:37 am
CHS
- PDX
1 stop10h 41m
United Airlines
Wed 9/911:02 pm
PDX
- CHS
1 stop8h 39m
United Airlines
Deal found 7/21![United Airlines logo]()
$349
This Southwest deal was found by Cheapflights users on 7/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/291:20 pm
CHS
- SEA
2 stops11h 10m
Southwest
Sun 8/305:40 am
SEA
- CHS
1 stop12h 35m
Southwest
Deal found 7/20![Southwest logo]()
$350
This United Airlines deal was found by Cheapflights users on 7/21. 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.
Tue 10/63:03 pm
CHS
- SEA
1 stop9h 52m
United Airlines
Sat 10/1011:14 pm
SEA
- CHS
1 stop7h 48m
United Airlines
Deal found 7/21![United Airlines logo]()
$352
This Southwest deal was found by Cheapflights users on 7/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1711:30 am
CHS
- SEA
2 stops9h 50m
Southwest
Mon 9/2111:05 pm
SEA
- CHS
2 stops10h 30m
Southwest
Deal found 7/24![Southwest logo]()
$353
This Southwest deal was found by Cheapflights users on 7/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/191:15 pm
CHS
- SEA
1 stop7h 55m
Southwest
Mon 8/2411:05 pm
SEA
- CHS
2 stops10h 45m
Southwest
Deal found 7/21![Southwest logo]()
$354
This Southwest deal was found by Cheapflights users on 7/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/156:45 am
CHS
- PDX
1 stop6h 55m
Southwest
Sat 8/226:50 am
PDX
- CHS
2 stops9h 00m
Southwest
Deal found 7/21![Southwest logo]()
$354
Best flights from Charleston to WashingtonDiscover carefully curated flight deals from Charleston to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 25, 2026.
Discover carefully curated flight deals from Charleston to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 25, 2026.
This Alaska Airlines deal was found by Cheapflights users on 7/22. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/267:08 pm
CHS
- SEA
Nonstop5h 51m
Alaska Airlines
Sat 8/299:45 am
SEA
- CHS
Nonstop5h 20m
Alaska Airlines
Deal found 7/22![Alaska Airlines logo]()
$347
This United Airlines deal was found by Cheapflights users on 7/23. 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.
Mon 8/244:30 pm
CHS
- PDX
1 stop7h 35m
United Airlines
Wed 8/265:00 am
PDX
- CHS
1 stop7h 30m
United Airlines
Deal found 7/23![United Airlines logo]()
$349
This Southwest deal was found by Cheapflights users on 7/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/11:15 pm
CHS
- SEA
1 stop12h 50m
Southwest
Thu 9/310:30 pm
SEA
- CHS
1 stop9h 20m
Southwest
Deal found 7/21![Southwest logo]()
$352
This Delta deal was found by Cheapflights users on 7/20. 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.
Fri 8/76:45 pm
CHS
- SEA
1 stop8h 12m
Delta
Fri 8/1410:35 pm
SEA
- CHS
1 stop7h 44m
Delta
Deal found 7/20![Delta logo]()
$358
This American Airlines deal was found by Cheapflights users on 7/25. 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.
Wed 8/266:15 am
CHS
- GEG
2 stops10h 54m
American Airlines
Fri 8/2812:44 pm
GEG
- CHS
1 stop7h 06m
American Airlines
Deal found 7/25![American Airlines logo]()
$396
This United Airlines deal was found by Cheapflights users on 7/23. 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 10/63:03 pm
CHS
- SEA
1 stop9h 52m
United Airlines
Sat 10/1011:14 pm
SEA
- CHS
1 stop7h 48m
United Airlines
Deal found 7/23![United Airlines logo]()
$352
This Southwest deal was found by Cheapflights users on 7/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2211:00 am
CHS
- SEA
2 stops10h 15m
Southwest
Sat 8/295:30 am
SEA
- CHS
2 stops9h 40m
Southwest
Deal found 7/20![Southwest logo]()
$357
This Alaska Airlines deal was found by Cheapflights users on 7/24. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/267:09 pm
CHS
- SEA
Nonstop5h 51m
Alaska Airlines
Wed 9/309:39 am
SEA
- CHS
Nonstop5h 27m
Alaska Airlines
Deal found 7/24![Alaska Airlines logo]()
$357
This United Airlines deal was found by Cheapflights users on 7/20. 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 9/268:00 am
CHS
- SEA
2 stops15h 37m
United Airlines
Sat 10/311:14 pm
SEA
- CHS
1 stop7h 48m
United Airlines
Deal found 7/20![United Airlines logo]()
$352
This Delta deal was found by Cheapflights users on 7/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/53:14 pm
CHS
- GEG
1 stop7h 10m
Delta
Sun 9/1310:45 pm
GEG
- CHS
1 stop8h 23m
Delta
Deal found 7/21![Delta logo]()
$392
This Southwest deal was found by Cheapflights users on 7/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/207:00 am
CHS
- SEA
2 stops14h 45m
Southwest
Tue 8/256:25 am
SEA
- CHS
2 stops10h 20m
Southwest
Deal found 7/21![Southwest logo]()
$363
This United Airlines deal was found by Cheapflights users on 7/24. 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 9/268:00 am
CHS
- SEA
1 stop11h 05m
United Airlines
Wed 9/3010:42 am
SEA
- CHS
1 stop7h 51m
United Airlines
Deal found 7/24![United Airlines logo]()
$357
This Alaska Airlines deal was found by Cheapflights users on 7/21. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:08 pm
CHS
- GEG
1 stop7h 51m
Alaska Airlines
Sat 9/57:03 am
GEG
- CHS
1 stop8h 02m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$395
This Delta deal was found by Cheapflights users on 7/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/128:35 am
CHS
- GEG
2 stops11h 34m
Delta
Thu 9/1710:45 pm
GEG
- CHS
1 stop7h 03m
Delta
Deal found 7/21![Delta logo]()
$395
This Southwest deal was found by Cheapflights users on 7/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2411:30 am
CHS
- PDX
2 stops12h 15m
Southwest
Wed 8/266:45 am
PDX
- CHS
2 stops8h 35m
Southwest
Deal found 7/23![Southwest logo]()
$374
This United Airlines deal was found by Cheapflights users on 7/23. 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 10/148:00 am
CHS
- SEA
2 stops15h 37m
United Airlines
Sun 10/1811:14 pm
SEA
- CHS
1 stop7h 48m
United Airlines
Deal found 7/23![United Airlines logo]()
$362
This Delta deal was found by Cheapflights users on 7/23. 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.
Fri 8/2111:25 am
CHS
- GEG
2 stops13h 08m
Delta
Sun 8/3010:56 pm
GEG
- CHS
1 stop8h 12m
Delta
Deal found 7/23![Delta logo]()
$410
This Southwest deal was found by Cheapflights users on 7/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/34:05 pm
CHS
- PDX
1 stop10h 40m
Southwest
Tue 9/811:30 pm
PDX
- CHS
2 stops10h 05m
Southwest
Deal found 7/23![Southwest logo]()
$400
This Delta deal was found by Cheapflights users on 7/22. 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.
Thu 10/14:12 pm
CHS
- PDX
1 stop8h 35m
Delta
Sat 10/1010:15 pm
PDX
- CHS
1 stop10h 56m
Delta
Deal found 7/22![Delta logo]()
$417
This United Airlines deal was found by Cheapflights users on 7/22. 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 9/58:30 am
CHS
- GEG
2 stops13h 21m
United Airlines
Sun 9/135:00 am
GEG
- CHS
1 stop7h 28m
United Airlines
Deal found 7/22![United Airlines logo]()
$392
This Southwest deal was found by Cheapflights users on 7/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/261:25 pm
CHS
- GEG
2 stops12h 00m
Southwest
Fri 8/286:30 am
GEG
- CHS
2 stops11h 00m
Southwest
Deal found 7/25![Southwest logo]()
$401
This Delta deal was found by Cheapflights users on 7/25. 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.
Fri 10/212:43 pm
CHS
- PDX
2 stops12h 19m
Delta
Tue 10/62:20 pm
PDX
- CHS
1 stop6h 39m
Delta
Deal found 7/25![Delta logo]()
$421
This United Airlines deal was found by Cheapflights users on 7/23. 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 8/214:30 pm
CHS
- GEG
1 stop7h 16m
United Airlines
Sun 8/305:00 am
GEG
- CHS
1 stop7h 28m
United Airlines
Deal found 7/23![United Airlines logo]()
$405
This Southwest deal was found by Cheapflights users on 7/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/81:25 pm
CHS
- PDX
2 stops11h 50m
Southwest
Wed 9/97:05 am
PDX
- CHS
2 stops9h 40m
Southwest
Deal found 7/21![Southwest logo]()
$419
This United Airlines deal was found by Cheapflights users on 7/20. 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 9/68:30 am
CHS
- PDX
1 stop7h 44m
United Airlines
Sun 9/137:02 am
PDX
- CHS
1 stop9h 38m
United Airlines
Deal found 7/20![United Airlines logo]()
$407
This Southwest deal was found by Cheapflights users on 7/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/51:15 pm
CHS
- PDX
1 stop7h 30m
Southwest
Wed 8/1911:30 pm
PDX
- CHS
1 stop8h 25m
Southwest
Deal found 7/20![Southwest logo]()
$422
This United Airlines deal was found by Cheapflights users on 7/24. 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 10/207:00 am
CHS
- PDX
2 stops11h 06m
United Airlines
Fri 10/2311:30 pm
PDX
- CHS
1 stop7h 57m
United Airlines
Deal found 7/24![United Airlines logo]()
$412
Last-minute flights from Charleston to WashingtonDiscover last-minute flight deals from Charleston to Washington. Data last updated July 25, 2026 and is based on user searches.
Discover last-minute flight deals from Charleston to Washington. Data last updated July 25, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 7/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/265:10 am
CHS
- SEA
1 stop7h 44m
Delta
Sat 8/11:35 pm
SEA
- CHS
1 stop7h 18m
Delta
Deal found 7/21![Delta logo]()
$358
This United Airlines deal was found by Cheapflights users on 7/23. 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.
Mon 8/104:16 pm
CHS
- SEA
1 stop9h 54m
United Airlines
Tue 8/185:00 am
SEA
- CHS
1 stop7h 28m
United Airlines
Deal found 7/23![United Airlines logo]()
$346
This Southwest deal was found by Cheapflights users on 7/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/111:15 pm
CHS
- SEA
1 stop7h 55m
Southwest
Tue 8/187:10 am
SEA
- CHS
2 stops9h 35m
Southwest
Deal found 7/24![Southwest logo]()
$343
This Delta deal was found by Cheapflights users on 7/23. 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.
Sat 8/154:56 pm
CHS
- PDX
1 stop7h 48m
Delta
Sat 8/222:08 pm
PDX
- CHS
1 stop6h 51m
Delta
Deal found 7/23![Delta logo]()
$349
This Southwest deal was found by Cheapflights users on 7/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/156:45 am
CHS
- PDX
1 stop6h 55m
Southwest
Sat 8/226:50 am
PDX
- CHS
2 stops9h 00m
Southwest
Deal found 7/21![Southwest logo]()
$354
This Kiwi.com deal was found by Cheapflights users on 7/24. 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.
Tue 8/186:00 am
CHS
- SEA
2 stops31h 39m
Multiple Airlines
Fri 8/2110:34 am
SEA
- CHS
1 stop31h 05m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$344
This Delta deal was found by Cheapflights users on 7/22. 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.
Tue 8/185:10 am
CHS
- PDX
1 stop8h 17m
Delta
Tue 8/2510:35 pm
PDX
- CHS
1 stop10h 32m
Delta
Deal found 7/22![Delta logo]()
$359
This Southwest deal was found by Cheapflights users on 7/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/191:15 pm
CHS
- SEA
1 stop7h 55m
Southwest
Mon 8/2411:05 pm
SEA
- CHS
2 stops10h 45m
Southwest
Deal found 7/21![Southwest logo]()
$354
This Alaska Airlines deal was found by Cheapflights users on 7/21. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/207:08 pm
CHS
- SEA
Nonstop5h 51m
Alaska Airlines
Sun 8/239:45 am
SEA
- CHS
Nonstop5h 20m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$347
This Alaska Airlines deal was found by Cheapflights users on 7/24. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/207:08 pm
CHS
- SEA
Nonstop5h 51m
Alaska Airlines
Tue 8/259:45 am
SEA
- CHS
Nonstop5h 20m
Alaska Airlines
Deal found 7/24![Alaska Airlines logo]()
$357
This United Airlines deal was found by Cheapflights users on 7/21. 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.
Wed 8/266:30 am
CHS
- SEA
2 stops15h 38m
United Airlines
Sat 9/511:00 pm
SEA
- CHS
1 stop8h 36m
United Airlines
Deal found 7/21![United Airlines logo]()
$352
This Southwest deal was found by Cheapflights users on 7/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/291:20 pm
CHS
- SEA
2 stops11h 10m
Southwest
Sun 8/305:40 am
SEA
- CHS
1 stop12h 35m
Southwest
Deal found 7/20![Southwest logo]()
$350
One-way flights from Charleston to WashingtonSearch for one-way flight options from Charleston to Washington. Find affordable one-way fares based on user searches. Data last updated July 25, 2026.
Search for one-way flight options from Charleston to Washington. Find affordable one-way fares based on user searches. Data last updated July 25, 2026.
This United Airlines deal was found by Cheapflights users on 7/21. 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.
Tue 9/293:03 pm
CHS
- SEA
1 stop9h 52m
United Airlines
Deal found 7/21![United Airlines logo]()
$114
This United Airlines deal was found by Cheapflights users on 7/20. 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 9/24:30 pm
CHS
- SEA
1 stop9h 34m
United Airlines
Deal found 7/20![United Airlines logo]()
$119
This Delta deal was found by Cheapflights users on 7/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/96:45 pm
CHS
- SEA
1 stop8h 12m
Delta
Deal found 7/21![Delta logo]()
$124
This United Airlines deal was found by Cheapflights users on 7/25. 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 8/214:30 pm
CHS
- SEA
1 stop9h 34m
United Airlines
Deal found 7/25![United Airlines logo]()
$153
This United Airlines deal was found by Cheapflights users on 7/23. 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.
Mon 8/33:08 pm
CHS
- SEA
1 stop10h 48m
United Airlines
Deal found 7/23![United Airlines logo]()
$154
This American Airlines deal was found by Cheapflights users on 7/22. 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.
Sun 8/95:05 am
CHS
- SEA
1 stop7h 40m
American Airlines
Deal found 7/22![American Airlines logo]()
$160
This United Airlines deal was found by Cheapflights users on 7/22. 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 11/116:45 am
CHS
- PDX
1 stop8h 28m
United Airlines
Deal found 7/22![United Airlines logo]()
$175
This United Airlines deal was found by Cheapflights users on 7/25. 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.
Sat 8/2210:14 am
CHS
- SEA
2 stops11h 53m
United Airlines
Deal found 7/25![United Airlines logo]()
$177
This United Airlines deal was found by Cheapflights users on 7/21. 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.
Sat 9/57:00 am
CHS
- PDX
2 stops11h 05m
United Airlines
Deal found 7/21![United Airlines logo]()
$180
This United Airlines deal was found by Cheapflights users on 7/25. 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 8/242:54 pm
CHS
- SEA
2 stops10h 49m
United Airlines
Deal found 7/25![United Airlines logo]()
$181
This Southwest deal was found by Cheapflights users on 7/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/111:35 pm
CHS
- PDX
2 stops11h 35m
Southwest
Deal found 7/24![Southwest logo]()
$185
This United Airlines deal was found by Cheapflights users on 7/22. 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 11/144:22 pm
CHS
- GEG
1 stop7h 43m
United Airlines
Deal found 7/22![United Airlines logo]()
$185
Find flight deals from Charleston to Washington
Keep the following information in mind while searching for Charleston to Washington flight deals. Data was last updated July 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $343 (Southwest) |
One-way from | $114 (United Airlines) |
Popular in | July |
Cheapest in | February |
Average price | $489 |
Good round-trip deal | $382 or less |
Good one-way deal | $351 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Charleston 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 2,558,603 searches. Data last updated July 25, 2026.
Use the filters below to find and compare flights from Charleston to Washington that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
CharlestonSeattle
CHS - SEA
CHSSEA
Charleston
Wed 8/26
7:08 pm-9:59 pm
Nonstop5h 51m
Seattle/Tacoma Intl
Sat 8/29
9:45 am-6:05 pm
Nonstop5h 20m
$347
CharlestonPortland
CHS - PDX
CHSPDX
Charleston
Mon 8/24
4:30 pm-9:05 pm
1 stop7h 35m
Portland
Wed 8/26
5:00 am-3:30 pm
1 stop7h 30m
$349
CharlestonSeattle
CHS - SEA
CHSSEA
Charleston
Tue 9/1
1:15 pm-11:05 pm
1 stop12h 50m
Seattle/Tacoma Intl
Thu 9/3
10:30 pm-10:50 am
1 stop9h 20m
$352
CharlestonSeattle
CHS - SEA
CHSSEA
Charleston
Tue 10/6
3:03 pm-9:55 pm
1 stop9h 52m
Seattle/Tacoma Intl
Sat 10/10
11:14 pm-10:02 am
1 stop7h 48m
$352
CharlestonSeattle
CHS - SEA
CHSSEA
Charleston
Sat 9/26
8:00 am-8:37 pm
2 stops15h 37m
Seattle/Tacoma Intl
Sat 10/3
11:14 pm-10:02 am
1 stop7h 48m
$352
CharlestonSeattle
CHS - SEA
CHSSEA
Charleston
Sat 8/22
11:00 am-6:15 pm
2 stops10h 15m
Seattle/Tacoma Intl
Sat 8/29
5:30 am-6:10 pm
2 stops9h 40m
$357
CharlestonSeattle
CHS - SEA
CHSSEA
Charleston
Sat 9/26
7:09 pm-10:00 pm
Nonstop5h 51m
Seattle/Tacoma Intl
Wed 9/30
9:39 am-6:06 pm
Nonstop5h 27m
$357
CharlestonSeattle
CHS - SEA
CHSSEA
Charleston
Sat 9/26
8:00 am-4:05 pm
1 stop11h 05m
Seattle/Tacoma Intl
Wed 9/30
10:42 am-9:33 pm
1 stop7h 51m
$357
CharlestonSeattle
CHS - SEA
CHSSEA
Charleston
Fri 8/7
6:45 pm-11:57 pm
1 stop8h 12m
Seattle/Tacoma Intl
Fri 8/14
10:35 pm-9:19 am
1 stop7h 44m
$358
CharlestonSeattle
CHS - SEA
CHSSEA
Charleston
Wed 10/14
8:00 am-8:37 pm
2 stops15h 37m
Seattle/Tacoma Intl
Sun 10/18
11:14 pm-10:02 am
1 stop7h 48m
$362
Showing 1-10 of 51 resultsSorted by cheapest first
Best time to book a flight from Charleston to Washington
Have a flexible travel schedule? Discover the best time to fly to Washington from Charleston with our price prediction graph.
CHS-SEA
CHS-PDX
CHS-GEG
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 Charleston to Washington
CHS-USWA
CHS-SEA
CHS-PDX
CHS-GEG
What is the cheapest month to book a flight from Charleston to State of Washington?
Currently, February is the cheapest month in which you can book a flight from Charleston to State of Washington (average of $272). Flying from Charleston to State of Washington in March is currently the most expensive (average of $505). 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.
What is the cheapest time of day to fly from CHS to WA?
Find hourly flight availability from Charleston to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 25, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Charleston to State of Washington as you normally would.
How much does it cost to fly round-trip from Charleston to State of Washington?
Airfare is below average for this route at the moment.
Charleston to State of Washington flights typically cost between $354 and $548 in August.The cheapest round-trip price found within the last 5 days was $343 on Southwest (Aug 11-Aug 18).
How far ahead should I book a flight from Charleston to State of Washington?
To ensure you get the cheapest price possible for a flight from Charleston to State of Washington, you should look to book at least 29 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
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 July 25, 2026.
Peruse reviews from past customers who have flown with Southwest,Alaska Airlines, andDelta from Charleston to Washington to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.0
Comfort
8.0
Boarding
8.1
Food
7.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Overall
8.0
Comfort
8.0
Boarding
8.1
Food
7.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Overall
8.0
Comfort
8.0
Boarding
8.1
Food
7.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Overall
8.0
Comfort
8.0
Boarding
8.1
Food
7.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Overall
8.0
Comfort
8.0
Boarding
8.1
Food
7.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Overall
8.0
Comfort
8.0
Boarding
8.1
Food
7.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Related info for your journey
Find useful and relevant information for your journey from Charleston to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations
Alternative routes for Charleston to Washington
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Washington by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Charleston to Washington by cabin class
Find flights from Charleston to Washington, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Charleston and Washington flights
Browse other Charleston and Washington flight options. Last updated on July 25, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Charleston to Washington flights
Consider these flights traveling from Charleston to Washington.
Top 6 airlines flying from Charleston to Washington
Discover the top 6 airlines that operate flights from Charleston 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 2,558,603 searches. Data last updated July 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$128 | Average$297 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$178 | Average$439 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$196 | Average$402 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$217 | Average$578 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$225 | Average$471 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$236 | Average$363 | FlexibilityNo cancel fee | On-time69% |