$90 Cheap Flights from Washington (IAD) to Columbus (CMH)

Popular airlines from Washington Dulles Intl. Airport (IAD) to John Glenn Columbus Intl. Airport (CMH)

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash
Find available prices by choosing your travel dates.

Cheap Flights from Washington to Columbus (IAD-CMH)

Prices were available within the past 7 days and start at $90 for one-way flights and $179 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
United
Frontier Airlines
United
United
Delta
Delta
Delta
Delta
American Airlines
Flights from Washington (IAD) to Columbus (CMH)
Origin airport
Washington Dulles Intl.
Destination airport
John Glenn Columbus Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, United
Roundtrip price
$179
Distance
298 mi

Washington to Columbus Flights

The cheapest times to fly from Washington to Columbus

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 Washington to Columbus are during the month of May. You can find some of the cheapest flights from Washington to Columbus with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Washington to Columbus

Sunday is one of the best days to book for cheap flights from Washington to Columbus: 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 Washington to Columbus

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 Washington to Columbus in 2025. You can also book with separate airlines for your outbound and return journeys, from $90 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 Washington to Columbus 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 Washington to Columbus 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 Washington Dulles Intl. Airport (IAD) to John Glenn Columbus Intl. Airport (CMH) cost?
Cheap round-trip fares from Washington Dulles Intl. Airport (IAD) to John Glenn Columbus Intl. Airport (CMH) start at $193. 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 and Southwest Airlines flight leaving IAD on May 20 2025 and touching down at CMH. The price was last updated on April 23 2025 and has not changed since.
What is the cheapest month to fly from IAD to CMH?
The cheapest flights from IAD to CMH are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Washington Dulles Intl. Airport (IAD) to John Glenn Columbus Intl. Airport (CMH)?
When departing from Washington Dulles Intl. Airport (IAD), you can board a direct flight to John Glenn Columbus Intl. Airport (CMH) with United Airlines.
What is the cheapest airline that flies from IAD to CMH?
With prices as low as $105 for a one-way journey from IAD to CMH, United is currently the cheapest carrier 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 IAD on July 5 2025. Prices were last updated on April 23 2025 and have not changed since.
How many flights per day from Washington Dulles Intl. Airport (IAD) to John Glenn Columbus Intl. Airport (CMH)?
Each day, an average of 4 direct flights take off from Washington Dulles Intl. Airport (IAD) to John Glenn Columbus Intl. Airport (CMH). Choose the departure that works for you.
What are the most popular departure times for flights from Washington Dulles Intl. Airport (IAD) to John Glenn Columbus Intl. Airport (CMH)?
More people fly between IAD and CMH at 10 PM than at any other time of day. Rather skip the crowds? Pick a flight outside the busiest times and there’s a chance you’ll save on your fare as well.
What day of the week has the most flights from IAD to CMH?
Travel on a Friday if you’re searching for the best selection of flights from Washington Dulles Intl. Airport (IAD) to John Glenn Columbus Intl. Airport (CMH).
What is the earliest flight from Washington Dulles Intl. Airport (IAD) to John Glenn Columbus Intl. Airport (CMH)?
The first flight of the day out of Washington Dulles Intl. Airport (IAD) is at around 8:15AM UTC-5. Board this plane and you’ll arrive at John Glenn Columbus Intl. Airport (CMH) at approximately 9:47AM UTC-5. The entire trip takes 1h 32m.
How long does it take to fly from Washington Dulles Intl. Airport (IAD) to John Glenn Columbus Intl. Airport (CMH)?
It takes about 1 hour and 28 minutes to cover the 300 mi from IAD to CMH.
What airline has the least delays from IAD to CMH?
United Airlines has the strongest track record for on-time direct flights from Washington Dulles Intl. Airport (IAD) to John Glenn Columbus Intl. Airport (CMH), with an on-time score of 80%. Use the Expedia App to view your flight status before you head off and receive notifications about any trip changes.
What is the best time to fly from Washington Dulles Intl. Airport (IAD) to John Glenn Columbus Intl. Airport (CMH)?
To avoid potential delays on the Washington Dulles Intl. Airport (IAD) to John Glenn Columbus Intl. Airport (CMH) route, travel before 3 PM. Later departures 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 Columbus from Washington Dulles Intl. Airport (IAD)?
John Glenn Columbus Intl. Airport (CMH) is the only airport in Columbus with direct flights from Washington Dulles Intl. Airport (IAD). Explore your options and find cheap fares on Expedia.
Is it cheaper to buy a plane ticket from Washington Dulles Intl. Airport (IAD) to John Glenn Columbus Intl. Airport (CMH) last-minute?
Last-minute bookings from IAD to CMH are usually more expensive. To secure the lowest rates, start looking for flights well ahead of time. That being said, if you’re flexible with your travel dates, you may score a cheap ticket right before your journey.
Is it cheaper to book an IAD to CMH flight and hotel package?
Compared with arranging flights and hotels separately, booking an IAD to CMH flight and hotel package with Expedia could lead to significant savings. Better yet, managing everything in one place takes the hassle out of planning your trip. Just pick your flights and select from our extensive range of stays, then personalize your trip with extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Washington Dulles Intl. Airport (IAD) to John Glenn Columbus Intl. Airport (CMH)?
In most instances, you can cancel or reschedule your IAD to CMH flight. However, there may be additional charges, especially if you booked over 24 hours ago. Double-check your itinerary for the airline’s fees and guidelines on flight changes, or if you want further details, visit our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.