Cheap Flights from Cincinnati Northern Kentucky to Washington Dulles

Compare Cincinnati Northern Kentucky to Washington Dulles flight deals

Find the cheapest month or even day of the year to fly to Washington Dulles

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Flight deals from Cincinnati Northern Kentucky Airport to Washington Dulles Airport

Looking for a cheap last-minute deal or the best return flight from Cincinnati Northern Kentucky Airport to Washington Dulles Airport? If you want to travel next month, return fares start from $320. Find the lowest prices on one-way and return tickets right here.

Washington D.C..$258 per passenger.Departing Sat, 4 Apr, returning Tue, 14 Apr.Return flight with United.Outbound direct flight with United departs from Cincinnati Northern Kentucky on Sat, 4 Apr, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Tue, 14 Apr, arriving in Cincinnati Northern Kentucky.Price includes taxes and charges.From $258, select.

Washington D.C..$258 per passenger.Departing Wed, 18 Mar, returning Mon, 23 Mar.Return flight with United.Outbound direct flight with United departs from Cincinnati Northern Kentucky on Wed, 18 Mar, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Mon, 23 Mar, arriving in Cincinnati Northern Kentucky.Price includes taxes and charges.From $258, select.

Washington D.C..$304 per passenger.Departing Thu, 26 Feb, returning Sun, 1 Mar.Return flight with United.Outbound direct flight with United departs from Cincinnati Northern Kentucky on Thu, 26 Feb, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Sun, 1 Mar, arriving in Cincinnati Northern Kentucky.Price includes taxes and charges.From $304, select.

Washington D.C..$320 per passenger.Departing Fri, 20 Feb, returning Sun, 22 Feb.Return flight with United.Outbound direct flight with United departs from Cincinnati Northern Kentucky on Fri, 20 Feb, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Sun, 22 Feb, arriving in Cincinnati Northern Kentucky.Price includes taxes and charges.From $320, select.

Washington D.C..$330 per passenger.Departing Tue, 5 May, returning Sat, 9 May.Return flight with United.Outbound direct flight with United departs from Cincinnati Northern Kentucky on Tue, 5 May, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Sat, 9 May, arriving in Cincinnati Northern Kentucky.Price includes taxes and charges.From $330, select.

Washington D.C..$337 per passenger.Departing Fri, 10 Jul, returning Sat, 18 Jul.Return flight with United.Outbound direct flight with United departs from Cincinnati Northern Kentucky on Fri, 10 Jul, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Sat, 18 Jul, arriving in Cincinnati Northern Kentucky.Price includes taxes and charges.From $337, select.

Washington D.C..$344 per passenger.Departing Wed, 16 Sep, returning Sat, 19 Sep.Return flight with United.Outbound direct flight with United departs from Cincinnati Northern Kentucky on Wed, 16 Sep, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Sat, 19 Sep, arriving in Cincinnati Northern Kentucky.Price includes taxes and charges.From $344, select.

Washington D.C..$344 per passenger.Departing Mon, 1 Jun, returning Mon, 8 Jun.Return flight with United.Outbound direct flight with United departs from Cincinnati Northern Kentucky on Mon, 1 Jun, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Mon, 8 Jun, arriving in Cincinnati Northern Kentucky.Price includes taxes and charges.From $344, select.

Washington D.C..$346 per passenger.Departing Thu, 30 Jul, returning Sat, 1 Aug.Return flight with United.Outbound direct flight with United departs from Cincinnati Northern Kentucky on Thu, 30 Jul, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Sat, 1 Aug, arriving in Cincinnati Northern Kentucky.Price includes taxes and charges.From $346, select.

Washington D.C..$486 per passenger.Departing Tue, 27 Jan, returning Tue, 3 Feb.Return flight with United.Outbound direct flight with United departs from Cincinnati Northern Kentucky on Tue, 27 Jan, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Tue, 3 Feb, arriving in Cincinnati Northern Kentucky.Price includes taxes and charges.From $486, select.

Washington D.C..$532 per passenger.Departing Sat, 24 Jan, returning Tue, 27 Jan.Return flight with Delta.Outbound indirect flight with Delta, departs from Cincinnati Northern Kentucky on Sat, 24 Jan, arriving in Washington Dulles.Inbound indirect flight with Delta, departs from Washington Dulles on Tue, 27 Jan, arriving in Cincinnati Northern Kentucky.Price includes taxes and charges.From $532, select.

Washington D.C..$1,097 per passenger.Departing Sat, 24 Jan, returning Tue, 27 Jan.Return flight with United.Outbound direct flight with United departs from Cincinnati Northern Kentucky on Sat, 24 Jan, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Tue, 27 Jan, arriving in Cincinnati Northern Kentucky.Price includes taxes and charges.From $1,097, select.

Find the cheapest month to fly from Cincinnati Northern Kentucky to Washington Dulles

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Cincinnati Northern Kentucky to Washington Dulles flights are currently cheapest in March.

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Direct flights from Cincinnati Northern Kentucky to Washington Dulles

Cincinnati Northern Kentucky to Washington Dulles: Alternative routes

Compare routes from Cincinnati Northern Kentucky to Washington D.C. below. You may find an airport to fly into that's cheaper, faster, or easier than Washington Dulles.

Cincinnati to Washington D.C.: Flight information

The things to know before you go.

Cheapest flight found	$258
Cheapest month to fly	April
Average flight time	1 hr, 35 mins
Most popular airline	United
Average flights per week	138

Finding cheap flights from Cincinnati Northern Kentucky to Washington Dulles: Frequently asked questions

How much are return flights from Cincinnati Northern Kentucky to Washington Dulles?

The best price we found for a return flight from Cincinnati Northern Kentucky to Washington Dulles is $258. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

How long does it take to fly from Cincinnati Northern Kentucky to Washington Dulles?

1 hour and 35 minutes is the average flight time from Cincinnati Northern Kentucky to Washington Dulles.

Which airlines fly direct from Cincinnati Northern Kentucky to Washington Dulles?

United, GoJet Airlines and Mesa Airlines fly direct from Cincinnati Northern Kentucky to Washington Dulles.

How many flights are there a week from Cincinnati Northern Kentucky to Washington Dulles?

As of January 2026, there are 138 flights per week flying from Cincinnati Northern Kentucky to Washington Dulles.

When is the cheapest time to fly from Cincinnati Northern Kentucky to Washington Dulles?

The cheapest month to fly from Cincinnati Northern Kentucky to Washington Dulles is usually April.

Which upcoming date is cheapest to fly from Cincinnati Northern Kentucky Airport to Washington Dulles Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Cincinnati Northern Kentucky Airport to Washington Dulles Airport on Saturday, 4 April 2026.

Can I get a direct flight from Cincinnati Northern Kentucky Airport to Washington Dulles Airport?

Yes – the average flight time is 1 hour and 35 minutes.

How can I find the best flight deal to Washington Dulles?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Washington Dulles but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Washington D.C.?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Washington D.C. is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from Cincinnati Northern Kentucky Airport to Washington Dulles with?

Currently, United offers the cheapest flight tickets to Washington Dulles.

Travelling from Cincinnati/Northern Kentucky Airport (CVG) to Washington Dulles International Airport (IAD): what you need to know

Around 1 hour 35 minutes is how long you can expect to be in the air on a direct flight from Cincinnati/Northern Kentucky Airport to Washington Dulles International Airport.
Cincinnati and Washington DC share the same timezone, UTC-4.
Flights from CVG to IAD start from 06:00 — the earliest with United Airlines. The last service of the day is at 19:50 with United Airlines. In total, you can take your pick of 79 weekly Cincinnati/Northern Kentucky Airport to Washington Dulles International Airport flights.
To ensure you get on your CVG to IAD flight, leave enough time to check in and find your gate. Turning up two hours ahead of international departures and an hour before domestic flights is the general travel rule.
You'll likely experience longer queues in popular months like July. Arriving up to four hours ahead of international flights and two hours for domestic departures will give you ample time for security and boarding.
Travelling to Washington DC (and then seeing more of United States!) is easy with United Airlines. This popular airline has direct flights from Cincinnati/Northern Kentucky Airport to Washington Dulles International Airport.
The airline most travellers prefer to fly with on this route is United Airlines.
The most punctual carrier offering CVG to IAD flights is United Airlines. Its services land without delay 77.63% of the time.
Think about adding a stopover when booking your ticket from Cincinnati/Northern Kentucky Airport to Washington Dulles International Airport. Just uncheck 'Direct flights only' to break up your journey, or maybe even explore a new city along the way. Here's where you can stop between CVG and IAD:
- Detroit Metropolitan Wayne County Airport
- Pearson International Airport
- Hartsfield-Jackson Atlanta International Airport

How to find the cheapest flights from Cincinnati/Northern Kentucky Airport (CVG) to Washington Dulles International Airport (IAD)

At the moment, $162 is the cheapest price we've seen for a one-way Cincinnati/Northern Kentucky Airport to Washington Dulles International Airport flight. The best price for a return plane ticket is $258. Remember that fares can change due to availability when booking.
Book eight months before travelling. After crunching the numbers on our calendar, this is how far you'll want to book ahead to find cheap tickets from CVG to IAD.
The cheapest month for flights from Cincinnati/Northern Kentucky Airport to Washington Dulles International Airport is July. Use the 'Whole month' tool to see the lowest airfares if you have a flexible schedule.
Finding cheap flights from CVG to IAD is a breeze with Price Alerts. Simply create one of these automatic alerts and we'll get in touch as soon as a new discounted fare appears.
Tailor your trip using filters. Choose your ideal departure and arrival times, airlines and total journey duration. You can also sort the results by 'Cheapest,' 'Best' or 'Fastest' flights from Cincinnati/Northern Kentucky Airport to Washington Dulles International Airport.

Handy information about Cincinnati/Northern Kentucky Airport (CVG)

When it comes to Cincinnati/Northern Kentucky Airport's on-time performance, 77.0% of flights arrive within the expected timeframe.
Central Cincinnati to Cincinnati/Northern Kentucky Airport is around 21 kilometres. Depending on traffic, it'll take you about 20 minutes to get there if you're driving, ride-sharing or catching a cab.
The trip when using public transport will take about 40 minutes.

Arriving at Washington Dulles International Airport (IAD)

The last thing you want is a lengthy trip to your hotel if you're arriving on a late Cincinnati/Northern Kentucky Airport to Washington Dulles International Airport flight. Stay at one of these accommodation options near IAD instead:
Travel at your own speed with a Washington Dulles International Airport rental car. Pick up your wheels from Dollar, Thrifty or Sixt and chase adventure across Washington DC and beyond.
For the lowest price, book your ride from Washington Dulles International Airport about one week before travelling.

Getting from Washington Dulles International Airport (IAD) to central Washington DC

The street address for IAD is 1 Saarinen Circle.
From Washington Dulles International Airport, Washington DC is approximately 56 kilometres away. It takes around 50 minutes to reach the centre by car.
If you're travelling on public transport, expect a journey time of about 3 hours 25 minutes.

When to fly to Washington Dulles International Airport (IAD)

April is the most popular month for flights from Cincinnati/Northern Kentucky Airport to Washington Dulles International Airport. To avoid the crowds, go to Washington DC in January.
When reserving your flight from Cincinnati/Northern Kentucky Airport to Washington Dulles International Airport, think about the type of weather you enjoy. July is the warmest month in Washington DC, with the temperature ranging from 19ºC to 33ºC.
Search for cheap tickets from CVG to IAD in January if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between -6ºC and 10ºC on average.

Explore more of United States

You've visited Washington DC, now it's time to discover more of United States. Travel about 322 kilometres north-east to New York to tick off its leading attractions. From Statue of Liberty to Central Park and Empire State Building, you'll have a full itinerary ahead.
If you want to check out another corner of United States, head for Philadelphia, roughly 193 kilometres north-east of Washington DC. Liberty Bell, Independence Hall and Philadelphia Museum of Art are among its highlights.