$55 Cheap Flights from Columbus (CMH) to Washington (IAD)

View $55 flight on Mon, Jan 12, 2026Opens in a new window

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

Cheap Flights from Columbus to Washington (CMH-IAD)

Prices were available within the past 7 days and start at $55 for one-way flights and $110 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Sat, Nov 15 - Mon, Nov 17
CMH
Columbus
IAD
Washington
$110 Roundtrip, found 19 hours ago
$110
Roundtrip
found 19 hours ago
Select Frontier Airlines flight, departing Sat, Nov 15 from Columbus to Washington, returning Mon, Nov 17, priced at $110 found 19 hours ago
Frontier Airlines
Mon, Dec 8 - Mon, Dec 15
CMH
Columbus
IAD
Washington
$120 Roundtrip, found 2 days ago
$120
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Mon, Dec 8 from Columbus to Washington, returning Mon, Dec 15, priced at $120 found 2 days ago
Frontier Airlines
Fri, Dec 12 - Mon, Dec 15
CMH
Columbus
IAD
Washington
$153 Roundtrip, found 3 days ago
$153
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Fri, Dec 12 from Columbus to Washington, returning Mon, Dec 15, priced at $153 found 3 days ago
Frontier Airlines
Mon, Nov 17 - Sat, Dec 6
CMH
Columbus
IAD
Washington
$160 Roundtrip, found 2 days ago
$160
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Mon, Nov 17 from Columbus to Washington, returning Sat, Dec 6, priced at $160 found 2 days ago
Frontier Airlines
Mon, Dec 8 - Thu, Dec 11
CMH
Columbus
IAD
Washington
$163 Roundtrip, found 1 day ago
$163
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Mon, Dec 8 from Columbus to Washington, returning Thu, Dec 11, priced at $163 found 1 day ago
Frontier Airlines
Mon, Dec 8 - Thu, Dec 11
CMH
Columbus
IAD
Washington
$169 Roundtrip, found 1 day ago
$169
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Mon, Dec 8 from Columbus to Washington, returning Thu, Dec 11, priced at $169 found 1 day ago
Frontier Airlines
Sat, Nov 15 - Tue, Dec 2
CMH
Columbus
IAD
Washington
$171 Roundtrip, found 19 hours ago
$171
Roundtrip
found 19 hours ago
Select Frontier Airlines flight, departing Sat, Nov 15 from Columbus to Washington, returning Tue, Dec 2, priced at $171 found 19 hours ago
United
Sat, Dec 27 - Wed, Dec 31
CMH
Columbus
IAD
Washington
$188 Roundtrip, found 5 days ago
$188
Roundtrip
found 5 days ago
Select United flight, departing Sat, Dec 27 from Columbus to Washington, returning Wed, Dec 31, priced at $188 found 5 days ago
Delta
Mon, Nov 24 - Thu, Nov 27
CMH
Columbus
IAD
Washington
$221 Roundtrip, found 1 hour ago
$221
Roundtrip
found 1 hour ago
Select Delta flight, departing Mon, Nov 24 from Columbus to Washington, returning Thu, Nov 27, priced at $221 found 1 hour ago
American Airlines
Mon, Nov 24 - Thu, Nov 27
CMH
Columbus
IAD
Washington
$244 Roundtrip, found 1 hour ago
$244
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Mon, Nov 24 from Columbus to Washington, returning Thu, Nov 27, priced at $244 found 1 hour ago

Find the cheapest month to fly from Columbus (CMH) to Washington (IAD)

September is typically the cheapest month to fly

From $105 - $648 per traveler.

Alternative airports near Washington

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Ronald Reagan Washington National DCA. Closest option available. Average driving time to city center is 8 minutes. Flights from $348
DCA
Ronald Reagan Washington National
Closest
Average driving time to city center8 min
Flights from $348
Flights from Columbus (CMH) to Washington (IAD)
Origin airport
John Glenn Columbus Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, United
Roundtrip price
$110
Distance
298 mi
Average flight time
1 hour 21 mins

Columbus to Washington Flights

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

 

The best time to book a flight from Columbus to Washington

Sunday is one of the best days to book for cheap flights from Columbus 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 Columbus 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 Columbus to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $55 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 Columbus 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 Columbus 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 John Glenn Columbus Intl. Airport (CMH) to Washington Dulles Intl. Airport (IAD) cost?
Get a cheap one-way flight from $55 or cheap return flight from $110 from John Glenn Columbus Intl. Airport (CMH) to Washington Dulles Intl. Airport (IAD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from John Glenn Columbus Intl. Airport (CMH) to Washington Dulles Intl. Airport (IAD)?
Traveling in November is a good way to save, as it's the cheapest month for flights between CMH and IAD. You'll often find the lowest prices during the off-season.
Which airlines fly direct from John Glenn Columbus Intl. Airport (CMH) to Washington Dulles Intl. Airport (IAD)?
Hop on a nonstop flight with United Airlines and fly straight from John Glenn Columbus Intl. Airport (CMH) to Washington Dulles Intl. Airport (IAD).
What is the cheapest airline that flies from John Glenn Columbus Intl. Airport (CMH) to Washington Dulles Intl. Airport (IAD)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest CMH to IAD flight.
How many flights per day from John Glenn Columbus Intl. Airport (CMH) to Washington Dulles Intl. Airport (IAD)?
Each day, an average of 4 nonstop flights operate from John Glenn Columbus Intl. Airport (CMH) to Washington Dulles Intl. Airport (IAD). Choose the departure that best suits your travel plans.
What are the most popular departure times for flights from John Glenn Columbus Intl. Airport (CMH) to Washington Dulles Intl. Airport (IAD)?
Flights between CMH and IAD are their busiest at 7 PM. For a more relaxed experience and potentially cheaper prices, look for a time when demand is lower.
What day of the week has the most flights from CMH to IAD?
Fly on a Friday if you're searching for the biggest selection of flights from John Glenn Columbus Intl. Airport (CMH) to Washington Dulles Intl. Airport (IAD).
What is the earliest flight from John Glenn Columbus Intl. Airport (CMH) to Washington Dulles Intl. Airport (IAD)?
The earliest flight out of John Glenn Columbus Intl. Airport (CMH) is at around 6:00AM UTC-5. Catch this flight and you'll touch down at Washington Dulles Intl. Airport (IAD) at approximately 7:30AM UTC-5. The total time in the air is 1h 30m.
How long does it take to fly from John Glenn Columbus Intl. Airport (CMH) to Washington Dulles Intl. Airport (IAD)?
Flights from CMH to IAD have an average travel time of 1 hour and 21 minutes. The distance between the two airports is 300 mi.
What is the best time to fly from John Glenn Columbus Intl. Airport (CMH) to Washington Dulles Intl. Airport (IAD)?
To avoid possible delays on the John Glenn Columbus Intl. Airport (CMH) to Washington Dulles Intl. Airport (IAD) route, fly before 3 PM. Departures after this time are 22% more likely to be canceled.**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 John Glenn Columbus Intl. Airport (CMH)?
John Glenn Columbus Intl. Airport (CMH) has direct flights to Washington. These are some of the airports you can fly straight to:

  • Ronald Reagan Washington National Airport (DCA)
  • Washington Dulles Intl. Airport (IAD)
  • Baltimore Washington Intl. Thurgood Marshall Airport (BWI)

Is it cheaper to buy a plane ticket from John Glenn Columbus Intl. Airport (CMH) to Washington Dulles Intl. Airport (IAD) last-minute?
Waiting until just before your departure to book a ticket from CMH to IAD generally means paying more. While you may come across some last-minute offers, they're not always guaranteed. Keep your travel schedule open for a better chance of snagging a bargain.
Is it cheaper to book a CMH to IAD flight and hotel package?
You'll typically save money by booking a CMH to IAD flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one convenient place. Once you've selected your ideal flights and accommodations, consider other add-ons like car rentals, activities and tours.
Can I cancel or change the date of my flight from John Glenn Columbus Intl. Airport (CMH) to Washington Dulles Intl. Airport (IAD)?
Typically, it's possible to cancel or reschedule your CMH to IAD flight. However, if it's been more than 24 hours since booking, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more details on our Customer Service portal.

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*Available to One Key members.