Question 1

How much does a flight from Columbus, OH (CMH-John Glenn Columbus Intl.) to Washington, DC (IAD-Washington Dulles Intl.) cost?

Accepted Answer

You can find one-way and return flights from CMH to IAD with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when CMH to IAD ticket fares go up or down.

Question 2

What is the cheapest month to fly from Columbus, OH (CMH-John Glenn Columbus Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?

Accepted Answer

If you're looking for the cheapest time to fly from Columbus, OH (CMH-John Glenn Columbus Intl.) to Washington, DC (IAD-Washington Dulles Intl.), August is typically your best bet. You can expect average return fares around CA$374 during this month. August often sees lower prices as it's a shoulder season for travel, falling after the peak summer rush but before the autumn holidays. Other cheap months to fly from Columbus, OH to Washington, DC include January and September.

Question 3

Which airlines fly direct from Columbus, OH (CMH-John Glenn Columbus Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?

Accepted Answer

Only one airline offers direct flights from Columbus, OH (CMH-John Glenn Columbus Intl.) to Washington, DC (IAD-Washington Dulles Intl.). United operates 50 direct flights from CMH to IAD every week.

Question 4

How do I find cheap flights from Columbus, OH (CMH) to Washington, DC (IAD)?

Accepted Answer

To find a cheap flight from Columbus, OH (CMH) to Washington, DC (IAD), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.

Question 5

What is the best airline to fly with from Columbus, OH (CMH-John Glenn Columbus Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?

Accepted Answer

The best airline to fly with from Columbus, OH (CMH-John Glenn Columbus Intl.) to Washington, DC (IAD-Washington Dulles Intl.) will differ from traveler to traveler. If you like to fly early, United offers early morning flights. If price is the most important factor, United typically offers the lowest fares. Delta offers the most daily flights from Columbus, OH (CMH-John Glenn Columbus Intl.) to Washington, DC (IAD-Washington Dulles Intl.), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.

Question 6

What is the best time to fly from Columbus, OH (CMH-John Glenn Columbus Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?

Accepted Answer

The cheapest months to fly from Columbus, OH (CMH-John Glenn Columbus Intl.) to Washington, DC (IAD-Washington Dulles Intl.) are typically August and September, with average return flights around CA$374. While October is the most popular month for this route, offering plenty of flight options, it's a good idea to compare prices across these months to find the best balance between affordability and schedule availability for your trip.

Question 7

How many flights per day from Columbus, OH (CMH-John Glenn Columbus Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?

Accepted Answer

You'll find around 7 nonstop flights per day from John Glenn Columbus Intl. (CMH) to Washington Dulles Intl. (IAD). For even more choices, look at flights that include layovers, as there are approximately 38 connecting flights per day. Some common connection points include Hartsfield-Jackson Atlanta Intl. (ATL), O'Hare Intl. (ORD), and Charlotte-Douglas Intl. (CLT).

Question 8

What is the earliest flight from Columbus, OH (CMH-John Glenn Columbus Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?

Accepted Answer

The earliest flight from Columbus, OH (CMH-John Glenn Columbus Intl.) to Washington, DC (IAD-Washington Dulles Intl.) typically departs around 5:00 AM. This flight is operated by American Airlines. This is a seasonal service active in February and March. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.

Question 9

What day of the week has the most flights from Columbus, OH (CMH-John Glenn Columbus Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?

Accepted Answer

You'll find the most flights from John Glenn Columbus Intl. (CMH) to Washington Dulles Intl. (IAD) on a Friday, with around 29 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include United, Delta, and American Airlines. Fridays offer notably more flight options compared to other days of the week, making it a good day to consider if you need flexibility.

Question 10

What are the most popular departure times for flights from Columbus, OH (CMH-John Glenn Columbus Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?

Accepted Answer

The most popular departure times for flights from John Glenn Columbus Intl. (CMH) to Washington Dulles Intl. (IAD) are in the morning, from 6am to 9am. Many major carriers, including Delta, United and American Airlines, offer flights during this window. Many travellers prefer these early morning flights as they allow you to arrive at your destination with plenty of time to start your day.

Question 11

How long does it take to fly from Columbus, OH (CMH-John Glenn Columbus Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?

Accepted Answer

A nonstop flight from John Glenn Columbus Intl. (CMH) to Washington Dulles Intl. (IAD) typically takes around 1 hour 30 minutes. This route covers a distance of approximately 481 kilometers. If you opt for a one-stop flight, your travel time will be longer, usually around 5 hours. Flights with two or more stops can take even longer, often around 10 hours 18 minutes. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic, so it's always a good idea to allow for some extra time when planning your trip.

Question 12

Can you fly business or first class from Columbus, OH (CMH-John Glenn Columbus Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?

Accepted Answer

You can fly business class or first class between CMH and IAD. You can fly business class with Frontier Airlines.

First class cabins are available on:

Alaska Airlines
Delta
United
American Airlines

Question 13

How do I earn miles on a Columbus, OH (CMH-John Glenn Columbus Intl.) to Washington, DC (IAD-Washington Dulles Intl.) flight with Expedia?

Accepted Answer

It's easy to earn miles on a Columbus, OH (CMH-John Glenn Columbus Intl.) to Washington, DC (IAD-Washington Dulles Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.

*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.

Question 14

What airports do you fly into for Washington, DC (IAD) from Columbus, OH (CMH)?

Accepted Answer

If you're planning to travel to Washington from John Glenn Columbus Intl. (CMH), you can fly directly into Washington Dulles Intl. (IAD). Some flights may connect through major hubs like O'Hare Intl. (ORD), Hartsfield-Jackson Atlanta Intl. (ATL), or Lambert-St. Louis Intl. (STL) before reaching Washington. Compare routes and airports on Expedia to find the best flight options for your travel plans.

Question 15

Is it cheaper to buy a plane ticket from Columbus, OH (CMH-John Glenn Columbus Intl.) to Washington, DC (IAD-Washington Dulles Intl.) at the last minute?

Accepted Answer

Typically, booking a last minute flight from Columbus, OH (CMH-John Glenn Columbus Intl.) to Washington, DC (IAD-Washington Dulles Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.

Question 16

Is it cheaper to book a Columbus, OH (CMH-John Glenn Columbus Intl.) to Washington, DC (IAD-Washington Dulles Intl.) flight and hotel package?

Accepted Answer

Securing a Columbus, OH (CMH-John Glenn Columbus Intl.) to Washington, DC (IAD-Washington Dulles Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.

Question 17

Can I cancel or change the date of my flight from Columbus, OH (CMH) to Washington, DC (IAD)?

Accepted Answer

If you booked your Columbus, OH (CMH) to Washington, DC (IAD) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Origin airport	John Glenn Columbus Intl.
Destination airport	Washington Dulles Intl.
Airlines serving	Alaska Airlines, American Airlines, Delta, United
Roundtrip price	CA $442
Distance	477 km
Average flight time	1 hour 23 mins

Popular airlines from Port Columbus International Airport (CMH) to Washington Dulles International Airport (IAD)

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February is typically the cheapest month to fly

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CA $158 Cheap Flights from Columbus (CMH) to Washington (IAD)