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Cheap Flights from Charleston to Baltimore Washington International

Compare Charleston to Baltimore Washington International flight deals

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

Book the best Baltimore Washington International fare with no extra fees

Flight deals from Charleston to Baltimore Washington International

Looking for a cheap last-minute deal or the best return flight from Charleston to Baltimore Washington International? Find the lowest prices on one-way and return tickets right here.
Washington D.C..R 704 per passenger.Departing Mon, 28 Jul.One-way flight with Spirit Airlines.Outbound direct flight with Spirit Airlines departs from Charleston on Mon, 28 Jul, arriving in Baltimore Washington International.Price includes taxes and charges.From R 704, select.
Washington D.C..R 707 per passenger.Departing Mon, 20 Oct.One-way flight with Spirit Airlines.Outbound direct flight with Spirit Airlines departs from Charleston on Mon, 20 Oct, arriving in Baltimore Washington International.Price includes taxes and charges.From R 707, select.
Washington D.C..R 880 per passenger.Departing Mon, 4 Aug.One-way flight with Spirit Airlines.Outbound direct flight with Spirit Airlines departs from Charleston on Mon, 4 Aug, arriving in Baltimore Washington International.Price includes taxes and charges.From R 880, select.
Washington D.C..R 1,159 per passenger.Departing Thu, 4 Sep.One-way flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from Charleston on Thu, 4 Sep, arriving in Baltimore Washington International.Price includes taxes and charges.From R 1,159, select.
Washington D.C..R 1,206 per passenger.Departing Mon, 15 Sep.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Charleston on Mon, 15 Sep, arriving in Baltimore Washington International.Price includes taxes and charges.From R 1,206, select.
Washington D.C..R 2,283 per passenger.Departing Wed, 13 May.One-way flight with Delta.Outbound indirect flight with Delta, departs from Charleston on Wed, 13 May, arriving in Baltimore Washington International.Price includes taxes and charges.From R 2,283, select.
Washington D.C..R 2,627 per passenger.Departing Sun, 23 Nov.One-way flight with Delta.Outbound indirect flight with Delta, departs from Charleston on Sun, 23 Nov, arriving in Baltimore Washington International.Price includes taxes and charges.From R 2,627, select.
Washington D.C..R 3,002 per passenger.Departing Sun, 23 Nov.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Charleston on Sun, 23 Nov, arriving in Baltimore Washington International.Price includes taxes and charges.From R 3,002, select.

Find the cheapest month to fly from Charleston to Baltimore Washington International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Charleston to Baltimore Washington International flights are currently cheapest in July.
Jul
from R 704
Aug
from R 880
Sep
from R 1,159
Oct
from R 707
Nov
from R 2,627
Dec
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Jan
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Feb
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Mar
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Apr
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May
from R 2,283
Jun
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Direct flights from Charleston to Baltimore Washington International

Charleston to Baltimore Washington International: 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 Baltimore Washington International.

Charleston to Washington D.C.: Flight information

The things to know before you go.
Cheapest flight foundR 704
Cheapest month to flyJuly
Average flight time1 hr, 32 mins
Most popular airlineSouthwest Airlines
Average flights per week20

Finding cheap flights from Charleston to Baltimore Washington International: Frequently asked questions

The best price we found for a return flight from Charleston to Baltimore Washington International is R 1,408. 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 32 minutes is the average flight time from Charleston to Baltimore Washington International.
Southwest Airlines and Spirit Airlines fly direct from Charleston to Baltimore Washington International.
As of July 2025, there are 20 flights per week flying from Charleston to Baltimore Washington International.
The cheapest month to fly from Charleston to Baltimore Washington International is usually July.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Charleston Airport to Baltimore Washington International Airport on Monday, 28 July 2025.
Yes – the average flight time is 1 hour and 32 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 Baltimore Washington International 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, Spirit Airlines offers the cheapest flight tickets to Baltimore Washington International.

Flying from Charleston International Airport (CHS) to Baltimore/Wash International Thurgood Marshall Airport (BWI): what you need to know

  • Around 1 hour 30 minutes is how long you can expect to be in the air on a direct flight from Charleston International Airport to Baltimore/Wash International Thurgood Marshall Airport.

  • Charleston and Washington DC are in the same timezone, UTC-4.

  • Choose from 18 weekly Charleston International Airport to Baltimore/Wash International Thurgood Marshall Airport flights. The 05:10 departure with Southwest Airlines is the earliest flight you can take. Southwest Airlines operates the latest service of the day at 20:15.

  • Your CHS to BWI flight won't wait if you're late, so be at the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead for international travel.

  • You'll likely experience longer queues in popular months like July. Arriving up to four hours in advance for international flights and two hours for domestic departures is a good idea.

  • Travelling to Washington DC (and then seeing more of United States!) is a cinch with Southwest Airlines. This popular airline has direct flights from Charleston International Airport to Baltimore/Wash International Thurgood Marshall Airport.

  • Southwest Airlines is the airline most travellers choose to fly with on this route.

  • Southwest Airlines is the most punctual carrier that offers CHS to BWI flights. An exceptional 82.35% of its services on this route arrive as planned.

  • Think about adding a stopover when booking your ticket from Charleston International Airport to Baltimore/Wash International Thurgood Marshall Airport. Just uncheck 'Direct flights only' to break up your trip, or maybe even explore a new city along the way. Check out these options between CHS and BWI:

    • Charlotte Douglas International Airport

    • John Glenn Columbus International Airport

    • Hartsfield-Jackson Atlanta International Airport

How to find the cheapest flights from Charleston International Airport (CHS) to Baltimore/Wash International Thurgood Marshall Airport (BWI)

  • The lowest price we've found for a one-way Charleston International Airport to Baltimore/Wash International Thurgood Marshall Airport flight is R 704. A return plane ticket right now is R 1,408. Depending on the availability when you book, these fares can change.

  • To score cheap tickets from CHS to BWI, book your trip six months before your planned departure.

  • Schedule your trip for May. That's the cheapest month for flights from Charleston International Airport to Baltimore/Wash International Thurgood Marshall Airport. If your travel dates are flexible, try out the 'Whole month' tool to find the cheapest price across each month.

  • Landing cheap flights from CHS to BWI couldn't be easier with Price Alerts. Simply set up one of these automatic alerts and we'll notify you as soon as fares go down.

  • Tailor your trip using filters. Choose your preferred arrival and departure times, airlines and total journey duration. You can also sort results by 'Cheapest,' 'Best' or 'Fastest' flights from Charleston International Airport to Baltimore/Wash International Thurgood Marshall Airport.

Handy information about Charleston International Airport (CHS)

  • Charleston International Airport maintains a solid on-time record, so you're less likely to experience disruptions. Departures from CHS arrive at their destination as scheduled 81.5% of the time.

  • To get to Charleston International Airport from central Charleston, it takes around 30 minutes if you're going by car. Of course, this depends on traffic conditions. It's approximately 21 kilometres from the airport to the city centre.

  • The journey on public transport takes roughly 3 hours 35 minutes.

  • Need a handy hotel near CHS? If you've booked an early flight from Charleston International Airport to Baltimore/Wash International Thurgood Marshall Airport, these accommodation options will put you moments from your departure lounge:

Arriving at Baltimore/Wash International Thurgood Marshall Airport (BWI)

Getting from Baltimore/Wash International Thurgood Marshall Airport (BWI) to central Washington DC

  • Baltimore/Wash International Thurgood Marshall Airport is roughly 48 kilometres from central Washington DC. The drive time takes about 50 minutes.

  • Getting there by public transport takes roughly 1 hour 30 minutes.

When to fly to Baltimore/Wash International Thurgood Marshall Airport (BWI)

  • July is the busiest month for flights from Charleston International Airport to Baltimore/Wash International Thurgood Marshall Airport. For smaller crowds, head to Washington DC in May.

  • Book your flight from Charleston International Airport to Baltimore/Wash International Thurgood Marshall Airport for July if you want to explore Washington DC during its warmest month. Expect temperatures of between 19ºC (66ºF) and 33ºC (91ºF).

  • January sees average temperatures of between -6ºC (21ºF) and 10ºC (50ºF). Search for cheap tickets from CHS to BWI sometime around then if you want to travel in cooler conditions.

Explore more of United States

  • You've seen Washington DC, now it's time to discover more of United States. Travel around 322 kilometres north-east to New York to tick off its popular sights. From Statue of Liberty to Central Park and Empire State Building, your itinerary will be busy.

  • Philadelphia is another well-known destination in United States and is around 193 kilometres north-east of Washington DC. No journey is complete without a visit to Liberty Bell, Independence Hall and Philadelphia Museum of Art.

Plan the rest of your trip from Charleston to Washington D.C.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.