CHS - IAD

$118 Find Cheap Flights from Charleston to Washington Dulles Airport - Compare and Save

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Everything you should know

Cheapest round-trip
$206
Typical prices: $219-$369
United Airlines
Sun 12/9Mon 1/8
CHS - IAD • Non-stop
Cheapest non-stop
$206
Typical prices: $218-$369
United Airlines
Mon 10/8Wed 10/10
CHS - IAD • Non-stop
Nonstop flights
You can fly direct with United Airlines. Average duration is 1h 35m
Direct flights
+1
Direct flights
+1
When to book
in advance
Our data shows that travelers who book at least 16 weeks in advance save around 50% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 21% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $313 (round-trip)
Shortest trip • 3h 54m (one-way)
Insights
Insights
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We hope you love your trip to Washington, D.C. Dulles Intl Airport!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Charleston to Dulles Intl (CHS-IAD)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Charleston to Dulles Intl

Wed, Dec 9 - Fri, Jan 8
United Airlines Logo
7:56 pm - 9:29 pmCHS  Charleston-IAD Washington, D.C. Dulles Intl
1h 33mnonstop
United Airlines Logo
12:35 pm - 2:13 pmIAD  Washington, D.C. Dulles Intl-CHS Charleston
1h 38mnonstop
$206United Airlines
Fri, Oct 16 - Sat, Oct 17
United Airlines Logo
7:53 pm - 9:30 pmCHS  Charleston-IAD Washington, D.C. Dulles Intl
1h 37mnonstop
United Airlines Logo
10:20 pm - 12:15 amIAD  Washington, D.C. Dulles Intl-CHS Charleston
1h 55mnonstop
$206United Airlines
Fri, Oct 23 - Mon, Oct 26
United Airlines Logo
6:00 am - 7:35 amCHS  Charleston-IAD Washington, D.C. Dulles Intl
1h 35mnonstop
United Airlines Logo
8:15 am - 10:06 amIAD  Washington, D.C. Dulles Intl-CHS Charleston
1h 51mnonstop
$206United Airlines
Tue, Dec 8 - Fri, Jan 8
United Airlines Logo
7:56 pm - 9:29 pmCHS  Charleston-IAD Washington, D.C. Dulles Intl
1h 33mnonstop
United Airlines Logo
12:35 pm - 2:13 pmIAD  Washington, D.C. Dulles Intl-CHS Charleston
1h 38mnonstop
$206United Airlines
Thu, Oct 8 - Sat, Oct 10
United Airlines Logo
3:00 pm - 4:32 pmCHS  Charleston-IAD Washington, D.C. Dulles Intl
1h 32mnonstop
United Airlines Logo
10:20 pm - 12:15 amIAD  Washington, D.C. Dulles Intl-CHS Charleston
1h 55mnonstop
$206United Airlines
Fri, Oct 9 - Tue, Oct 13
United Airlines Logo
7:53 pm - 9:30 pmCHS  Charleston-IAD Washington, D.C. Dulles Intl
1h 37mnonstop
United Airlines Logo
10:20 pm - 12:15 amIAD  Washington, D.C. Dulles Intl-CHS Charleston
1h 55mnonstop
$220United Airlines
Fri, Oct 16 - Sat, Oct 17
Delta Logo
5:35 pm - 9:20 pmCHS  Charleston-IAD Washington, D.C. Dulles Intl
3h 45m1 stop Atlanta Hartsfield-Jackson
Delta Logo
8:13 am - 1:18 pmIAD  Washington, D.C. Dulles Intl-CHS Charleston
5h 05m1 stop Atlanta Hartsfield-Jackson
$226Delta
Thu, Oct 1 - Sun, Oct 4
United Airlines Logo
7:53 pm - 9:30 pmCHS  Charleston-IAD Washington, D.C. Dulles Intl
1h 37mnonstop
United Airlines Logo
8:15 am - 10:02 amIAD  Washington, D.C. Dulles Intl-CHS Charleston
1h 47mnonstop
$238United Airlines
Wed, Oct 14 - Sun, Oct 18
United Airlines Logo
7:53 pm - 9:30 pmCHS  Charleston-IAD Washington, D.C. Dulles Intl
1h 37mnonstop
United Airlines Logo
8:15 am - 10:02 amIAD  Washington, D.C. Dulles Intl-CHS Charleston
1h 47mnonstop
$238United Airlines
Wed, Nov 11 - Wed, Nov 18
Multiple Airlines Logo
7:52 pm - 8:11 pmCHS  Charleston-IAD Washington, D.C. Dulles Intl
24h 19m1 stop Fort Lauderdale
Multiple Airlines Logo
6:07 pm - 4:11 pmIAD  Washington, D.C. Dulles Intl-CHS Charleston
22h 04m1 stop Fort Lauderdale
$244Multiple Airlines
Booking Insights

Price, demand and travel trends for Charleston to Washington, D.C. Dulles Intl Airport flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Charleston to Washington, D.C. Dulles Intl Airport with more confidence.

How much is a round-trip flight from Charleston to Washington, D.C. Dulles Intl Airport?

Round-trip flights from Charleston to Washington, D.C. Dulles Intl Airport start at $206. Prices are below average for this route right now, with typical round-trip fares ranging from $219 to $369. The lowest price found in the past 5 days was $206 on United Airlines.

What's the cheapest day of the week to fly from Charleston to Washington, D.C. Dulles Intl Airport?

Wednesday is the cheapest day of the week to fly from Charleston to Washington, D.C. Dulles Intl Airport, it is 11% cheaper than the average day. Sunday is the most expensive day with flight prices 122% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Charleston to Washington, D.C. Dulles Intl Airport?

  • February is the cheapest month to fly from Charleston to Washington, D.C. Dulles Intl Airport at $219 round-trip.
  • August ($309) and March ($309) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 41% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Charleston to Washington, D.C. Dulles Intl Airport the cheapest?

Flights from Charleston to Washington, D.C. Dulles Intl Airport are cheapest 16 weeks before departure. Booking in this window typically costs about 50% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from Charleston to Dulles Intl

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on IAD

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Brandon Schultz

Brandon Schultz

Expert on CHS

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Key details for Charleston to Washington, D.C. Dulles Intl Airport flights

Low season

August

Cheapest flight

$118
Best time to beat the crowds but there is an average 12% increase in price.
Most popular time to fly with an average 1% increase in price.
Flight from Charleston to Washington, D.C. Dulles Intl Airport

When to book flights from Charleston to Dulles Intl

Are your dates flexible? Find out the best times to travel from Charleston to Dulles Intl based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Charleston to Washington, D.C. Dulles Intl Airport flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airlines offer extra legroom and free seat selection on Charleston to Washington, D.C. Dulles Intl Airport flights?

    Among airlines operating Charleston to Washington, D.C. Dulles Intl Airport flights:

    • United Airlines: offers extra legroom; offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • What airlines are available from Charleston to Washington, D.C. Dulles Intl Airport?

    Only United Airlines operates flights between Charleston and Washington, D.C. Dulles Intl Airport.

  • Which airports can I use when flying from Charleston to Washington, D.C. Dulles Intl Airport?

    Flights from Charleston to Washington, D.C. Dulles Intl Airport usually depart from Charleston (CHS) and arrive at Washington, D.C. Dulles Intl (IAD).

  • Which airlines include bags at no extra cost on Charleston to Washington, D.C. Dulles Intl Airport flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • United Airlines: a cabin bag and a checked bag in Economy Class
    • JetBlue: a cabin bag in Economy Class class

    Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

  • What cabin classes can I book on flights from Charleston to Washington, D.C. Dulles Intl Airport?

    Two cabin classes are available on flights from Charleston to Washington, D.C. Dulles Intl Airport:

    • Economy Class
    • First Class

  • How much can I save by taking a layover when flying from Charleston to Washington, D.C. Dulles Intl Airport?

    On this route, nonstop flights are cheaper than layover options on average. Nonstop fares average $275 round-trip, compared to $313 via a layover through Atlanta Hartsfield-Jackson (ATL).

  • What is the standard checked-bag allowance on flights from Charleston to Washington, D.C. Dulles Intl Airport?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$80 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Charleston to Washington, D.C. Dulles Intl Airport?

    The Embraer 175 (Enhanced Winglets) family is used most often on this route, operated mainly by United Airlines. Other aircraft seen on the route include Boeing 737 MAX 9 variants.

  • Which airports do connecting flights from Charleston to Washington, D.C. Dulles Intl Airport pass through?

    Connecting flights from Charleston to Washington, D.C. Dulles Intl Airport most commonly pass through:

    • Atlanta Hartsfield-Jackson (ATL) - 53% of one-stop connections
    • Charlotte Douglas (CLT) - 47% of one-stop connections
    Together, these airports account for 100% of one-stop bookings on this route.

  • Can I save money by using flexible dates for flights from Charleston to Washington, D.C. Dulles Intl Airport?

    Yes. Being flexible with your travel dates can save you up to 60% on the Charleston to Washington, D.C. Dulles Intl Airport route. Wednesday is the cheapest departure day at $249 round-trip on average, while Sunday is the most expensive at $616, a difference of $367. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How are flight departures from Charleston to Washington, D.C. Dulles Intl Airport spread across the day?

    Morning is the busiest departure period on Charleston to Washington, D.C. Dulles Intl Airport flights, with 34% of flights leaving in that window. Afternoon departures account for 33%, evening flights for 33%, and night flights for 0%.

  • What popular places can I visit in Washington, D.C. Dulles Intl Airport?

    Some of the most popular sights in Washington, D.C. Dulles Intl Airport are Walter E. Washington Convention Center, National Mall and Capital One Arena. These are among the most viewed places in Washington, D.C. Dulles Intl Airport on KAYAK.

  • What are the earliest and latest flights from Charleston to Washington, D.C. Dulles Intl Airport?

    These are the earliest and latest flight times available from Charleston to Washington, D.C. Dulles Intl Airport:

    • Earliest: departs at 5:45 am and lands at 7:20 am
    • Latest: departs at 7:56 pm and lands at 9:31 pm.

    The flight takes about 1h 35m.

  • How expensive are last-minute Charleston to Washington, D.C. Dulles Intl Airport flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 44% above the route average of $277. Book 16 weeks before departure for the lowest fares.

  • How long is a flight from Charleston to Washington, D.C. Dulles Intl Airport?

    A nonstop flight from Charleston to Washington, D.C. Dulles Intl Airport takes 1h 35m, covering 442 miles.

  • Do I need a passport to fly from Charleston to Washington, D.C. Dulles Intl Airport?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • Have flight prices from Charleston to Washington, D.C. Dulles Intl Airport changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $206 to $1,243. That means the highest observed fare was about 6x higher than the lowest one.

  • How are flight prices from Charleston to Washington, D.C. Dulles Intl Airport looking right now?

    One-way fares from Charleston to Washington, D.C. Dulles Intl Airport are currently lower than usual. Average one-way flight prices are about $138, which is 49% below the typical average for this route.

  • How much time can I save by choosing a different layover airport from Charleston to Washington, D.C. Dulles Intl Airport?

    Flying via Charlotte Douglas (CLT) gives the shortest average 1-stop total travel time at 3h 54m, compared with 4h 00m via Atlanta Hartsfield-Jackson (ATL).

  • What car rental options are available at Washington, D.C. Dulles Intl Airport (IAD)?

    Washington, D.C. Dulles Intl Airport (IAD) hosts 5 major car rental companies, with daily rates starting from around $24 for economy cars. Top options include:
    · Dollar
    · Budget
    · Hertz
    · Sixt
    · Thrifty

  • How much should I expect to pay for a Charleston to Washington, D.C. Dulles Intl Airport flight?

    Round-trip flights from Charleston to Washington, D.C. Dulles Intl Airport range from $219 to $369, with an average of $277 over the past 12 months. Anything below $219 counts as a good deal.

  • Which airlines offer Wi-Fi on Charleston to Washington, D.C. Dulles Intl Airport flights?

    JetBlue is the only airline on the Charleston to Washington, D.C. Dulles Intl Airport route offering in-flight Wi-Fi. Pricing depends on fare class.

Your guide to booking Charleston to Washington, D.C. Dulles Intl Airport flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Wednesday departure instead of Sunday. On this route, Wednesday flights average $249 - about $367 less than Sunday (60% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 16 weeks before you fly. On this route, that window historically saves about 50% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Charleston to Washington, D.C. Dulles Intl Airport trip for February. Fares historically average $219 round-trip in that month - typically $90 less than the most expensive month, which is January (based on the last 12 months).

Prefer to fly direct from Charleston to Washington Dulles Airport?

 
Find which airlines fly direct from Charleston Airport to Washington, D.C. Dulles Intl Airport, which days they fly and book direct flights.

Direct departures

Charleston to Washington, D.C. Dulles Intl

Monday

United Airlines

United Airlines

Tuesday

United Airlines

United Airlines

Wednesday

United Airlines

United Airlines

Thursday

United Airlines

United Airlines

Friday

United Airlines

United Airlines

Saturday

United Airlines

United Airlines

Sunday

United Airlines

United Airlines

See more direct flights

Direct returns

Washington, D.C. Dulles Intl to Charleston

Monday

United Airlines

United Airlines

Tuesday

United Airlines

United Airlines

Wednesday

United Airlines

United Airlines

Thursday

United Airlines

United Airlines

Friday

United Airlines

United Airlines

Saturday

United Airlines

United Airlines

Sunday

United Airlines

United Airlines

See more direct flights

More options for your flight from Charleston to Dulles Intl

Complete your trip to Washington, D.C. with a hotel stay or car rental