$123 Cheap Flights from Columbia (CAE) to Washington (IAD)

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Find available prices by choosing your travel dates.

Cheap Flights from Columbia to Washington (CAE-IAD)

Prices were available within the past 7 days and start at $123 for one-way flights and $189 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
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United
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Delta
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United
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American Airlines
Flights from Columbia (CAE) to Washington (IAD)
Origin airport
Columbia Metropolitan
Destination airport
Washington Dulles Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$189
Distance
401 mi

Columbia to Washington Flights

The cheapest times to fly from Columbia to Washington

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Columbia to Washington are during the month of July. You can find some of the cheapest flights from Columbia to Washington with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Columbia to Washington

Sunday is one of the best days to book for cheap flights from Columbia to Washington: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Columbia to Washington

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Columbia to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $123 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Columbia to Washington flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Columbia to Washington airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How much does a flight from Columbia Metropolitan Airport (CAE) to Washington Dulles Intl. Airport (IAD) cost?
You can score affordable return tickets from Columbia Metropolitan Airport (CAE) to Washington Dulles Intl. Airport (IAD) starting at $189. Snag a seat and start your adventure. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a United flight leaving CAE on May 2 2025 and touching down at IAD. The price was last updated on April 10 2025 and has not changed since.
What is the cheapest month to fly from CAE to IAD?
Fly straight from CAE to IAD in August to take advantage of cheaper fares. You can find a one-way United flight for $214 leaving on August 1 2025. This price is based on the cheapest direct flight found on Expedia for this route in the next 330 days. The price was last updated on April 10 2025 and remains unchanged.
Which airlines fly direct from Columbia Metropolitan Airport (CAE) to Washington Dulles Intl. Airport (IAD)?
When jetting out of Columbia Metropolitan Airport (CAE), you can jump on a direct flight to Washington Dulles Intl. Airport (IAD) with United Airlines.
What is the cheapest airline that flies from CAE to IAD?
With fares starting at $214 for a one-way flight from CAE to IAD, United is currently the cheapest airline flying this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from CAE on June 9 2025. Prices were last updated on April 10 2025 and have not changed since.
How many flights per day from Columbia Metropolitan Airport (CAE) to Washington Dulles Intl. Airport (IAD)?
On average, there is just 1 direct flight taking off from Columbia Metropolitan Airport (CAE) to Washington Dulles Intl. Airport (IAD) each day. If this doesn’t work for you, consider flights with layovers. Just customize your search on Expedia to include one stop or more to discover the next best option.
What are the most popular departure times for flights from Columbia Metropolitan Airport (CAE) to Washington Dulles Intl. Airport (IAD)?
Flights between CAE and IAD tend to be busiest at 9 AM. If you’d like a more relaxed experience and potentially cheaper prices, choose a departure outside the usual busy windows.
What day of the week has the most flights from CAE to IAD?
If you depart on a Friday, you’ll get the largest range of choices for flights from Columbia Metropolitan Airport (CAE) to Washington Dulles Intl. Airport (IAD).
What is the earliest flight from Columbia Metropolitan Airport (CAE) to Washington Dulles Intl. Airport (IAD)?
Take the earliest flight at around 9:45AM UTC-5, heading out of Columbia Metropolitan Airport (CAE). You’ll be traveling for about 1h 38m, coming in to land at Washington Dulles Intl. Airport (IAD) at approximately 11:23AM UTC-5.
How long does it take to fly from Columbia Metropolitan Airport (CAE) to Washington Dulles Intl. Airport (IAD)?
Flights from CAE to IAD have an average travel time of 1 hour and 37 minutes. The distance between the two airports is 400 mi.
What airline has the least delays from CAE to IAD?
Consider booking with United Airlines if you’d like to go straight from Columbia Metropolitan Airport (CAE) to Washington Dulles Intl. Airport (IAD) without any holdups. This carrier has the best track record for punctuality, with an on-time score of 81%. Want to be updated if anything changes? You can keep an eye on your flight status using the Expedia App.
What is the best time to fly from Columbia Metropolitan Airport (CAE) to Washington Dulles Intl. Airport (IAD)?
To avoid potential delays on the Columbia Metropolitan Airport (CAE) to Washington Dulles Intl. Airport (IAD) route, fly before 3 PM. Departures after this hour have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for Washington from Columbia Metropolitan Airport (CAE)?
If you’re traveling on a direct flight from Columbia Metropolitan Airport (CAE) to Washington, you can arrive at either Ronald Reagan Washington National Airport (DCA) or Washington Dulles Intl. Airport (IAD).
Is it cheaper to buy a plane ticket from Columbia Metropolitan Airport (CAE) to Washington Dulles Intl. Airport (IAD) last-minute?
Last-minute bookings from CAE to IAD are typically more expensive. To lock in the lowest prices, start searching for flights as soon as possible. That said, if you’re flexible with your travel plans, it’s possible to find a cheap fare just before your departure.
Is it cheaper to book a CAE to IAD flight and hotel package?
Compared with arranging hotels and flights separately, booking a CAE to IAD flight and hotel package with Expedia could lead to significant savings. Better still, having it all in one place takes the hassle out of planning your trip. Just pick your flights and choose from our wide range of stays, then personalize your trip with extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Columbia Metropolitan Airport (CAE) to Washington Dulles Intl. Airport (IAD)?
In most instances, you’re able to reschedule or cancel your CAE to IAD flight. However, there may be additional charges, especially if you made your booking more than 24 hours ago. Check your itinerary for the airline’s rules and fees on flight changes, or if you need further details, go to our Customer Service portal.

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