$69 Cheap United flights Washington (IAD) to Charleston (CHS)

View $69 flight on Mon, Oct 13, 2025Opens in a new window

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$69 Cheap United flights Washington (IAD) to Charleston (CHS)

Prices were available within the past 7 days and start at $69 for one-way flights and $137 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, Aug 4 - Tue, Aug 12
IAD
Washington
CHS
Charleston
$137 Roundtrip, found 6 hours ago
$137
Roundtrip
found 6 hours ago
Select United flight, departing Mon, Aug 4 from Washington to Charleston, returning Tue, Aug 12, priced at $137 found 6 hours ago
United
Tue, Aug 26 - Wed, Aug 27
IAD
Washington
CHS
Charleston
$143 Roundtrip, found 1 day ago
$143
Roundtrip
found 1 day ago
Select United flight, departing Tue, Aug 26 from Washington to Charleston, returning Wed, Aug 27, priced at $143 found 1 day ago
United
Mon, Aug 25 - Sat, Aug 30
IAD
Washington
CHS
Charleston
$149 Roundtrip, found 1 day ago
$149
Roundtrip
found 1 day ago
Select United flight, departing Mon, Aug 25 from Washington to Charleston, returning Sat, Aug 30, priced at $149 found 1 day ago
United
Mon, Aug 25 - Sat, Aug 30
IAD
Washington
CHS
Charleston
$153 Roundtrip, found 1 day ago
$153
Roundtrip
found 1 day ago
Select United flight, departing Mon, Aug 25 from Washington to Charleston, returning Sat, Aug 30, priced at $153 found 1 day ago
United
Mon, Sep 22 - Thu, Sep 25
IAD
Washington
CHS
Charleston
$156 Roundtrip, found 18 hours ago
$156
Roundtrip
found 18 hours ago
Select United flight, departing Mon, Sep 22 from Washington to Charleston, returning Thu, Sep 25, priced at $156 found 18 hours ago
United
Sun, Aug 31 - Wed, Sep 3
IAD
Washington
CHS
Charleston
$158 Roundtrip, found 16 hours ago
$158
Roundtrip
found 16 hours ago
Select United flight, departing Sun, Aug 31 from Washington to Charleston, returning Wed, Sep 3, priced at $158 found 16 hours ago
Flights from Washington (IAD) to Charleston (CHS)
Origin airport
Washington Dulles Intl.
Destination airport
Charleston Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, United
Popular airline
Delta
Distance
443 mi
Average flight time
1 hour 49 mins

Frequently asked questions

How much is a United Airlines flight from Washington Dulles Intl. Airport (IAD) to Charleston Intl. Airport (CHS)?
Use the "Price (lowest to highest)" filter on Expedia to look for cheap United Airlines round-trip flights from $137 from IAD to CHS. Affordable one-way fares from $69 are available too.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from IAD to CHS with United Airlines?
January is one of the least expensive months to jet away to Charleston with United Airlines. You could also find great deals on one-way and round-trip tickets in December.
What is the cheapest time to book flights from Washington Dulles Intl. Airport (IAD) to Charleston Intl. Airport (CHS) with United Airlines?
Begin your search one to three months ahead of your departure date to get cheaper fares on United Airlines flights from Washington Dulles Intl. Airport (IAD) to Charleston Intl. Airport (CHS). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also cut costs by buying your fare on a Sunday, as it's 6% cheaper on average than a Monday, the most expensive day to book.* Time it well, and you can enjoy significant savings on domestic flights.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does United Airlines fly nonstop from Washington Dulles Intl. Airport (IAD) to Charleston Intl. Airport (CHS)?
United Airlines has direct flights from Washington Dulles Intl. Airport (IAD) to Charleston Intl. Airport (CHS), with 20 weekly departures. Simply select the "Nonstop" and "Airline" filters while searching on Expedia to see all direct United Airlines flights to CHS.
How long does it take to fly from IAD to CHS with United Airlines?
Take off from Washington Dulles Intl. Airport (IAD) for Charleston Intl. Airport (CHS) on a direct United Airlines flight, and you'll be airborne for approximately 2h 1m.
Which day of the week has the most United Airlines flights from Washington Dulles Intl. Airport (IAD) to Charleston Intl. Airport (CHS)?
If you're looking for flexibility, Thursday offers the most choice for United Airlines flights from Washington Dulles Intl. Airport (IAD) to Charleston Intl. Airport (CHS). You can pick from 3 different departures.
What is the earliest United Airlines flight from IAD to CHS?
The earliest United Airlines flight from IAD to CHS departs at 8:25AM UTC-5, arriving at 10:28AM UTC-5. If you prefer to head off later in the day, the last United Airlines flight leaves IAD at 5:10PM UTC-5 and touches down at CHS at 7:03PM UTC-5. Flying early is often a good option as morning and mid-morning flights are least likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does United Airlines fly into in Charleston?
Board a United Airlines flight from Washington Dulles Intl. Airport (IAD) to Charleston, and you'll likely touch down at Charleston Intl. Airport (CHS). This is the airline's main hub here.
Why fly with United Airlines from IAD to CHS?
Journey from IAD to CHS with United Airlines and you'll enjoy a range of perks including a rewarding loyalty program. When booking through Expedia as a United Mileage Plus and One Key™ member, you can also earn OneKeyCash™* to redeem on select future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
What type of plane does United Airlines fly from Washington Dulles Intl. Airport (IAD) to Charleston Intl. Airport (CHS)?
United Airlines usually flies Embraer 175 planes for flights from Washington Dulles Intl. Airport (IAD) to Charleston Intl. Airport (CHS). This airline also operates the Embraer 170 on this route. Bear in mind that aircraft type can change depending on operational reasons, so the plane you board could be different on the day you travel.
Can I change or cancel my United Airlines flight from Washington Dulles Intl. Airport (IAD) to Charleston Intl. Airport (CHS)?
Typically, you can reschedule or cancel your flight, although there may be additional charges if you made your booking over 24 hours ago. Prefer to keep your options open? Use our "No cancel fee" or "Changes included" filter to find flights that won't penalize you if you need to adjust your plans. To update your itinerary, go to "Trips," select your flight and click on "Manage Booking" for further information.

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