COU - IAD

$318 Find Cheap Flights from Columbia to Washington, D.C. - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$322
Typical prices: $308-$447
Multiple Airlines
Tue 10/9Thu 10/11
COU - IAD • 1 stop
Cheapest one-way
$318
Typical prices: $268-$391
United Airlines
Wed 10/24
COU - IAD • 1 stop
When to travel
March
Cheapest • 40% price drop
September
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Chicago O'Hare Intl (ORD)
Cheapest • Avg $374 (round-trip)
Charlotte Douglas (CLT)
Shortest trip • 5h 01m (one-way)
Insights
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We hope you love your trip to Washington, D.C. Dulles Intl Airport!
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Flight Deals

Cheap Flights from Columbia to Dulles Intl (COU-IAD)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Columbia to Dulles Intl

Fri, Oct 9 - Sun, Oct 11
Multiple Airlines Logo
3:06 pm - 10:17 amCOU  Columbia Regional-IAD Washington, D.C. Dulles Intl
18h 11m1 stop Orlando Sanford Intl
Multiple Airlines Logo
11:12 am - 11:39 amIAD  Washington, D.C. Dulles Intl-COU Columbia Regional
25h 27m1 stop Orlando
$322Multiple Airlines
Tue, Dec 22 - Fri, Dec 25
United Airlines Logo
7:45 am - 2:12 pmCOU  Columbia Regional-IAD Washington, D.C. Dulles Intl
5h 27m1 stop Chicago O'Hare Intl
United Airlines Logo
5:20 pm - 9:52 pmIAD  Washington, D.C. Dulles Intl-COU Columbia Regional
5h 32m1 stop Chicago O'Hare Intl
$328United Airlines
Thu, Oct 15 - Sun, Oct 18
United Airlines Logo
3:43 pm - 10:52 pmCOU  Columbia Regional-IAD Washington, D.C. Dulles Intl
6h 09m1 stop Chicago O'Hare Intl
United Airlines Logo
6:10 am - 10:39 amIAD  Washington, D.C. Dulles Intl-COU Columbia Regional
5h 29m1 stop Chicago O'Hare Intl
$328United Airlines
Wed, Nov 18 - Sun, Nov 22
American Airlines Logo
8:12 am - 4:43 pmCOU  Columbia Regional-IAD Washington, D.C. Dulles Intl
7h 31m1 stop Charlotte Douglas
American Airlines Logo
9:33 am - 9:29 pmIAD  Washington, D.C. Dulles Intl-COU Columbia Regional
12h 56m2 stops Charlotte Douglas Chicago O'Hare Intl
$334American Airlines
Wed, Nov 18 - Sun, Nov 22
American Airlines Logo
10:23 am - 6:47 pmCOU  Columbia Regional-IAD Washington, D.C. Dulles Intl
7h 24m2 stops Chicago O'Hare Intl Charlotte Douglas
American Airlines Logo
9:33 am - 9:29 pmIAD  Washington, D.C. Dulles Intl-COU Columbia Regional
12h 56m2 stops Charlotte Douglas Chicago O'Hare Intl
$339American Airlines
Wed, Nov 11 - Sat, Nov 14
American Airlines Logo
10:24 am - 6:47 pmCOU  Columbia Regional-IAD Washington, D.C. Dulles Intl
7h 23m2 stops Chicago O'Hare Intl Charlotte Douglas
American Airlines Logo
11:48 am - 10:15 pmIAD  Washington, D.C. Dulles Intl-COU Columbia Regional
11h 27m2 stops Charlotte Douglas Chicago O'Hare Intl
$339American Airlines
Fri, Oct 2 - Sun, Oct 4
United Airlines Logo
6:15 am - 1:59 pmCOU  Columbia Regional-IAD Washington, D.C. Dulles Intl
6h 44m1 stop Chicago O'Hare Intl
United Airlines Logo
6:10 am - 10:39 amIAD  Washington, D.C. Dulles Intl-COU Columbia Regional
5h 29m1 stop Chicago O'Hare Intl
$343United Airlines
Tue, Sep 29 - Sat, Oct 3
United Airlines Logo
3:19 pm - 10:52 pmCOU  Columbia Regional-IAD Washington, D.C. Dulles Intl
6h 33m1 stop Chicago O'Hare Intl
United Airlines Logo
10:30 am - 2:38 pmIAD  Washington, D.C. Dulles Intl-COU Columbia Regional
5h 08m1 stop Chicago O'Hare Intl
$358United Airlines
Fri, Oct 2 - Sun, Oct 4
United Airlines Logo
11:15 am - 5:44 pmCOU  Columbia Regional-IAD Washington, D.C. Dulles Intl
5h 29m1 stop Chicago O'Hare Intl
United Airlines Logo
6:10 am - 10:39 amIAD  Washington, D.C. Dulles Intl-COU Columbia Regional
5h 29m1 stop Chicago O'Hare Intl
$358United Airlines
Sat, Oct 31 - Thu, Nov 5
United Airlines Logo
11:20 am - 5:35 pmCOU  Columbia Regional-IAD Washington, D.C. Dulles Intl
5h 15m1 stop Chicago O'Hare Intl
United Airlines Logo
8:23 am - 2:18 pmIAD  Washington, D.C. Dulles Intl-COU Columbia Regional
6h 55m1 stop Chicago O'Hare Intl
$366United Airlines
Booking Insights

Price, demand and travel trends for Columbia to Washington, D.C. Dulles Intl Airport flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Columbia to Washington, D.C. Dulles Intl Airport with more confidence.

What is the cheapest airline to fly from Columbia to Washington, D.C. Dulles Intl Airport?

United Airlines ($328) and American Airlines ($334) are the cheapest airlines to fly round-trip from Columbia to Washington, D.C. Dulles Intl Airport according to KAYAK data over the last 5 days.

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Key details for Columbia to Washington, D.C. Dulles Intl Airport flights

Low season

December

Cheapest flight

$318
Best time to beat the crowds with an average 17% drop in price.
Flight from Columbia to Washington, D.C. Dulles Intl Airport

When to book flights from Columbia to Dulles Intl

Are your dates flexible? Find out the best times to travel from Columbia to Dulles Intl based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Columbia to Washington, D.C. Dulles Intl Airport flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from Columbia to Washington, D.C. Dulles Intl Airport?

    Flights from Columbia to Washington, D.C. Dulles Intl Airport usually depart from Columbia Regional (COU) and arrive at Washington, D.C. Dulles Intl (IAD).

  • What cabin classes can I book on flights from Columbia to Washington, D.C. Dulles Intl Airport?

    Only Economy Class is available on flights from Columbia to Washington, D.C. Dulles Intl Airport.

  • Which airports do connecting flights from Columbia to Washington, D.C. Dulles Intl Airport pass through?

    One-stop flights from Columbia to Washington, D.C. Dulles Intl Airport most commonly connect through:

    • Chicago O'Hare Intl (ORD) - 91% of one-stop connections
    • Charlotte Douglas (CLT) - 6% of one-stop connections
    • Dallas/Fort Worth (DFW) - 3% of one-stop connections

    Chicago O'Hare Intl (ORD) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Columbia to Washington, D.C. Dulles Intl Airport?

    Yes. Being flexible with your travel dates can save you up to 58% on the Columbia to Washington, D.C. Dulles Intl Airport route. Tuesday is the cheapest departure day at $308 round-trip on average, while Friday is the most expensive at $728, a difference of $420. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in Washington, D.C. Dulles Intl Airport?

    Some of the most popular sights in Washington, D.C. Dulles Intl Airport are Walter E. Washington Convention Center, National Mall and Capital One Arena. These are among the most viewed places in Washington, D.C. Dulles Intl Airport on KAYAK.

  • How long is a flight from Columbia to Washington, D.C. Dulles Intl Airport?

    There are currently no nonstop flights available from Columbia to Washington, D.C. Dulles Intl Airport. Flights with 1 layover take between 5h 01m and 10h 09m in total, depending on the connection.

  • Do I need a passport to fly from Columbia to Washington, D.C. Dulles Intl Airport?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • Have flight prices from Columbia to Washington, D.C. Dulles Intl Airport changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $322 to $1,293. That means the highest observed fare was about 4x higher than the lowest one.

  • How are flight prices from Columbia to Washington, D.C. Dulles Intl Airport looking right now?

    One-way fares from Columbia to Washington, D.C. Dulles Intl Airport are currently higher than usual. Average one-way flight prices are about $444, which is 13% above the typical average for this route.

  • How much time can I save by choosing a different layover airport from Columbia to Washington, D.C. Dulles Intl Airport?

    Flying via Charlotte Douglas (CLT) gives the shortest average 1-stop total travel time at 5h 01m, compared with 5h 53m via Chicago O'Hare Intl (ORD) and 10h 09m via Dallas/Fort Worth (DFW).

  • What is the time difference between Columbia and Washington, D.C. Dulles Intl Airport?

    Washington, D.C. Dulles Intl Airport is 1 hour ahead of Columbia (Eastern Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Washington, D.C. Dulles Intl Airport (IAD)?

    Washington, D.C. Dulles Intl Airport (IAD) hosts 5 major car rental companies, with daily rates starting from around $24 for economy cars. Top options include:
    • Dollar
    • Budget
    • Hertz
    • Sixt
    • Thrifty

  • How much should I expect to pay for a Columbia to Washington, D.C. Dulles Intl Airport flight?

    Round-trip flights from Columbia to Washington, D.C. Dulles Intl Airport range from $308 to $447, with an average of $353 over the past 12 months. Anything below $308 counts as a good deal.

Your guide to booking Columbia to Washington, D.C. Dulles Intl Airport flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Tuesday departure instead of Friday. On this route, Tuesday flights average $308 - about $420 less than Friday (58% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Columbia to Washington, D.C. Dulles Intl Airport trip for March. Fares historically average $212 round-trip in that month - typically $516 less than the most expensive month, which is May (based on the last 12 months).

More options for your flight from Columbia to Dulles Intl

Complete your trip to Washington, D.C. with a hotel stay or car rental

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