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Cheap Flights from Charleston (CHS) to Washington D.C. (IAD)

Compare Charleston to Washington Dulles flight deals

Find the cheapest month or even day of the year to fly to Washington Dulles

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Flight deals from Charleston to Washington Dulles

Looking for a cheap last-minute deal or the best return flight from Charleston Airport to Washington Dulles Airport? If you want to travel next month, return fares start from $198. Find the lowest prices on one-way and return tickets right here.
Washington D.C..$198 per passenger.Departing Thu, 20 Aug, returning Tue, 25 Aug.Return flight with United.Outbound direct flight with United departs from Charleston on Thu, 20 Aug, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Tue, 25 Aug, arriving in Charleston.Price includes taxes and charges.From $198, select.
Washington D.C..$281 per passenger.Departing Thu, 5 Nov, returning Wed, 11 Nov.Return flight with United.Outbound direct flight with United departs from Charleston on Thu, 5 Nov, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Wed, 11 Nov, arriving in Charleston.Price includes taxes and charges.From $281, select.
Washington D.C..$282 per passenger.Departing Tue, 1 Sep, returning Tue, 8 Sep.Return flight with United.Outbound direct flight with United departs from Charleston on Tue, 1 Sep, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Tue, 8 Sep, arriving in Charleston.Price includes taxes and charges.From $282, select.
Washington D.C..$309 per passenger.Departing Wed, 14 Oct, returning Wed, 21 Oct.Return flight with Delta.Outbound indirect flight with Delta, departs from Charleston on Wed, 14 Oct, arriving in Washington Dulles.Inbound indirect flight with Delta, departs from Washington Dulles on Wed, 21 Oct, arriving in Charleston.Price includes taxes and charges.From $309, select.
Washington D.C..$309 per passenger.Departing Sat, 29 Aug, returning Sat, 5 Sep.Return flight with Delta.Outbound indirect flight with Delta, departs from Charleston on Sat, 29 Aug, arriving in Washington Dulles.Inbound indirect flight with Delta, departs from Washington Dulles on Sat, 5 Sep, arriving in Charleston.Price includes taxes and charges.From $309, select.
Washington D.C..$319 per passenger.Departing Sat, 10 Oct, returning Sun, 11 Oct.Return flight with United.Outbound direct flight with United departs from Charleston on Sat, 10 Oct, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Sun, 11 Oct, arriving in Charleston.Price includes taxes and charges.From $319, select.
Washington D.C..$340 per passenger.Departing Thu, 30 Jul, returning Tue, 4 Aug.Return flight with United.Outbound direct flight with United departs from Charleston on Thu, 30 Jul, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Tue, 4 Aug, arriving in Charleston.Price includes taxes and charges.From $340, select.
Washington D.C..$355 per passenger.Departing Tue, 17 Nov, returning Tue, 1 Dec.Return flight with United.Outbound direct flight with United departs from Charleston on Tue, 17 Nov, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Tue, 1 Dec, arriving in Charleston.Price includes taxes and charges.From $355, select.
Washington D.C..$355 per passenger.Departing Mon, 26 Oct, returning Mon, 2 Nov.Return flight with United.Outbound direct flight with United departs from Charleston on Mon, 26 Oct, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Mon, 2 Nov, arriving in Charleston.Price includes taxes and charges.From $355, select.
Washington D.C..$355 per passenger.Departing Thu, 31 Dec, returning Thu, 14 Jan.Return flight with United.Outbound direct flight with United departs from Charleston on Thu, 31 Dec, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Thu, 14 Jan, arriving in Charleston.Price includes taxes and charges.From $355, select.
Washington D.C..$356 per passenger.Departing Fri, 25 Dec, returning Wed, 30 Dec.Return flight with United.Outbound direct flight with United departs from Charleston on Fri, 25 Dec, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Wed, 30 Dec, arriving in Charleston.Price includes taxes and charges.From $356, select.
Washington D.C..$356 per passenger.Departing Fri, 28 Aug, returning Sun, 6 Sep.Return flight with United.Outbound direct flight with United departs from Charleston on Fri, 28 Aug, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Sun, 6 Sep, arriving in Charleston.Price includes taxes and charges.From $356, select.
Washington D.C..$356 per passenger.Departing Fri, 1 Jan, returning Fri, 8 Jan.Return flight with United.Outbound direct flight with United departs from Charleston on Fri, 1 Jan, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Fri, 8 Jan, arriving in Charleston.Price includes taxes and charges.From $356, select.
Washington D.C..$441 per passenger.Departing Tue, 21 Jul, returning Tue, 28 Jul.Return flight with United.Outbound direct flight with United departs from Charleston on Tue, 21 Jul, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Tue, 28 Jul, arriving in Charleston.Price includes taxes and charges.From $441, select.

Find the cheapest month to fly from Charleston to Washington Dulles

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Charleston to Washington Dulles flights are currently cheapest in August.
Jul
from $441
Aug
from $198
Sep
from $282
Oct
from $309
Nov
from $281
Dec
from $356
Jan
from $356
Feb
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Mar
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Apr
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May
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Jun
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Direct flights from Charleston to Washington Dulles

Charleston to Washington Dulles: Alternative routes

Compare routes from Charleston to Washington D.C. below. You may find an airport to fly into that's cheaper, faster, or easier than Washington Dulles.

Washington Ronald Reagan

5km from central Washington D.C.
Closest
from $257
Search flights

Washington Dulles

37km from central Washington D.C.
from $198
Search flights

Baltimore Washington International

44km from central Washington D.C.
Cheapest
from $176
Search flights

Charleston to Washington D.C.: Flight information

The things to know before you go.
Cheapest flight found$198
Cheapest month to flyAugust
Average flight time1 hr, 36 mins
Most popular airlineUnited
Average flights per week111

Finding cheap flights from Charleston to Washington Dulles: Frequently asked questions

The best price we found for a return flight from Charleston to Washington Dulles is $198. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
1 hour and 36 minutes is the average flight time from Charleston to Washington Dulles.
United, Mesa Airlines and Air Canada fly direct from Charleston to Washington Dulles.
As of July 2026, there are 111 flights per week flying from Charleston to Washington Dulles.
The cheapest month to fly from Charleston to Washington Dulles is usually August.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Charleston Airport to Washington Dulles Airport on Thursday, 20 August 2026.
Yes – the average flight time is 1 hour and 36 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Washington Dulles but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Washington D.C. is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, United offers the cheapest flight tickets to Washington Dulles.

Travelling from Charleston Airport (CHS) to Washington Dulles Airport (IAD): what you need to know

  • Jump on a direct flight from Charleston Airport to Washington Dulles Airport and you'll be in the air for an average of 1 hour 35 minutes.

  • Charleston and Washington DC share the UTC-5 timezone. This means you won't have to change your watch when you arrive.

  • Flights from CHS to IAD start from 05:50 — the earliest with United Airlines. The latest departure is at 19:44 with United Airlines. Overall, there are 21 weekly Charleston Airport to Washington Dulles Airport flights.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for stress-free travel. Show up at the airport on time to board your CHS to IAD flight.

  • During popular months such as July, it's best to get to the airport well in advance. Arrive two hours before domestic departures and four hours ahead of an international flight when you fly during peak periods in general.

  • United is your ticket to exploring Washington DC (and maybe even some other exciting parts of the United States!). Check out the direct flights from Charleston Airport to Washington Dulles Airport offered by this popular airline.

  • The airline with the highest booking volume on this route is United.

  • With a reliable 84.13% of services arriving as scheduled, United is the most punctual carrier operating CHS to IAD flights.

  • If you'd like to explore another city along the way, simply uncheck 'Direct flights only' when searching for your ticket from Charleston Airport to Washington Dulles Airport. Here are the most popular stopovers between CHS and IAD:

    • Atlanta Hartsfield-Jackson Airport

    • Charlotte Douglas Airport

    • Pittsburgh International Airport

Handy information about Charleston Airport (CHS)

  • When it comes to the on-time performance of Charleston Airport, data shows 79% of flights meet their scheduled arrival time.

  • To reach Charleston Airport from central Charleston, it takes about 25 minutes if you're going by car. This depends on traffic, however. It's approximately 19 kilometres from the airport to the city centre.

  • You can expect a trip time of about 50 minutes when using public transport.

  • Have an early flight from Charleston Airport to Washington Dulles Airport? Avoid the last-minute rush to the airport (and sneak in some extra precious sleep) by choosing one of these hotels near CHS:

Arriving at Washington Dulles Airport (IAD)

Getting from Washington Dulles Airport (IAD) to central Washington DC

  • IAD is located at 1 Saarinen Circle.

  • Washington Dulles Airport is approximately 40 kilometres from the centre of Washington DC. The drive time takes about 45 minutes.

  • It takes roughly 1 hour 10 minutes to get there using public transport.

When to fly to Washington Dulles Airport (IAD)

  • The quietest month for a flight from Charleston Airport to Washington Dulles Airport is February, while July is the busiest. Choose the ideal time to visit Washington DC based on whether you prefer a laid-back vibe or a more bustling atmosphere.

  • Book your flight from Charleston Airport to Washington Dulles Airport for July if you'd like to visit Washington DC during its warmest month. Expect temperatures of between 19ºC (66ºF) and 33ºC (91ºF).

  • Search for cheap tickets from CHS to IAD in January if you like cooler conditions. Temperatures are at their lowest then, ranging between -6ºC (21ºF) and 10ºC (50ºF) on average.

Explore more of the United States

  • You've visited Washington DC, now it's time to discover more of the United States. Travel about 322 kilometres north-east to New York to tick off its leading sights. From Central Park to Statue of Liberty and Metropolitan Museum of Art, there's plenty to keep you on the go.

  • If there's time to check out another corner of the United States, consider Philadelphia, roughly 193 kilometres north-east of Washington DC. Independence Hall, Liberty Bell and Philadelphia Museum of Art are among its highlights.

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Prices shown on this page are estimated lowest prices only. Found in the last 12 days.