$5,034 Cheap Flights from Washington (IAD) to Constanta (CND)

View $5,034 flight on Mon, Apr 20, 2026Opens in a new window

Popular airlines from Washington Dulles Intl. Airport (IAD) to Constanta (CND-Mihail Kogalniceanu)

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Cheap Flights from Washington to Constanta (IAD-CND)

Prices were available within the past 7 days and start at $5,034 for one-way flights and $933 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Turkish Airlines
Sat, Mar 28 - Wed, Apr 1
IAD
Washington
CND
Constanta
$933 Roundtrip, found 3 days ago
$933
Roundtrip
found 3 days ago
Select Turkish Airlines flight, departing Sat, Mar 28 from Washington to Constanta, returning Wed, Apr 1, priced at $933 found 3 days ago
Turkish Airlines
Sat, Mar 28 - Wed, Apr 1
IAD
Washington
CND
Constanta
$1,022 Roundtrip, found 3 days ago
$1,022
Roundtrip
found 3 days ago
Select Turkish Airlines flight, departing Sat, Mar 28 from Washington to Constanta, returning Wed, Apr 1, priced at $1,022 found 3 days ago
Turkish Airlines
Sat, Mar 28 - Wed, Apr 1
IAD
Washington
CND
Constanta
$1,118 Roundtrip, found 3 days ago
$1,118
Roundtrip
found 3 days ago
Select Turkish Airlines flight, departing Sat, Mar 28 from Washington to Constanta, returning Wed, Apr 1, priced at $1,118 found 3 days ago
Turkish Airlines
Sat, Mar 28 - Wed, Apr 1
IAD
Washington
CND
Constanta
$1,207 Roundtrip, found 3 days ago
$1,207
Roundtrip
found 3 days ago
Select Turkish Airlines flight, departing Sat, Mar 28 from Washington to Constanta, returning Wed, Apr 1, priced at $1,207 found 3 days ago
Lufthansa
Mon, Apr 20 - Fri, Apr 24
IAD
Washington
CND
Constanta
$5,839 Roundtrip, found 2 days ago
$5,839
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Mon, Apr 20 from Washington to Constanta, returning Fri, Apr 24, priced at $5,839 found 2 days ago
United
Mon, Apr 20 - Fri, Apr 24
IAD
Washington
CND
Constanta
$5,873 Roundtrip, found 2 days ago
$5,873
Roundtrip
found 2 days ago
Select United flight, departing Mon, Apr 20 from Washington to Constanta, returning Fri, Apr 24, priced at $5,873 found 2 days ago
Lufthansa
Mon, Apr 20 - Fri, Apr 24
IAD
Washington
CND
Constanta
$5,874 Roundtrip, found 2 days ago
$5,874
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Mon, Apr 20 from Washington to Constanta, returning Fri, Apr 24, priced at $5,874 found 2 days ago
United
Mon, Apr 20 - Fri, Apr 24
IAD
Washington
CND
Constanta
$5,901 Roundtrip, found 2 days ago
$5,901
Roundtrip
found 2 days ago
Select United flight, departing Mon, Apr 20 from Washington to Constanta, returning Fri, Apr 24, priced at $5,901 found 2 days ago
Lufthansa
Mon, Apr 20 - Fri, Apr 24
IAD
Washington
CND
Constanta
$6,569 Roundtrip, found 2 days ago
$6,569
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Mon, Apr 20 from Washington to Constanta, returning Fri, Apr 24, priced at $6,569 found 2 days ago
Lufthansa
Mon, Apr 20 - Fri, Apr 24
IAD
Washington
CND
Constanta
$6,591 Roundtrip, found 2 days ago
$6,591
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Mon, Apr 20 from Washington to Constanta, returning Fri, Apr 24, priced at $6,591 found 2 days ago
Lufthansa
Mon, Apr 20 - Fri, Apr 24
IAD
Washington
CND
Constanta
$6,611 Roundtrip, found 2 days ago
$6,611
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Mon, Apr 20 from Washington to Constanta, returning Fri, Apr 24, priced at $6,611 found 2 days ago
Lufthansa
Mon, Apr 20 - Fri, Apr 24
IAD
Washington
CND
Constanta
$6,617 Roundtrip, found 2 days ago
$6,617
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Mon, Apr 20 from Washington to Constanta, returning Fri, Apr 24, priced at $6,617 found 2 days ago
United
Mon, Apr 20 - Fri, Apr 24
IAD
Washington
CND
Constanta
$6,624 Roundtrip, found 2 days ago
$6,624
Roundtrip
found 2 days ago
Select United flight, departing Mon, Apr 20 from Washington to Constanta, returning Fri, Apr 24, priced at $6,624 found 2 days ago
United
Mon, Apr 20 - Fri, Apr 24
IAD
Washington
CND
Constanta
$6,625 Roundtrip, found 2 days ago
$6,625
Roundtrip
found 2 days ago
Select United flight, departing Mon, Apr 20 from Washington to Constanta, returning Fri, Apr 24, priced at $6,625 found 2 days ago
Lufthansa
Mon, Apr 20 - Fri, Apr 24
IAD
Washington
CND
Constanta
$6,634 Roundtrip, found 2 days ago
$6,634
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Mon, Apr 20 from Washington to Constanta, returning Fri, Apr 24, priced at $6,634 found 2 days ago
Lufthansa
Mon, Apr 20 - Fri, Apr 24
IAD
Washington
CND
Constanta
$6,638 Roundtrip, found 2 days ago
$6,638
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Mon, Apr 20 from Washington to Constanta, returning Fri, Apr 24, priced at $6,638 found 2 days ago

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Frequently asked questions

How much does a flight from Washington, DC (IAD-Washington Dulles Intl.) to Constanta (CND-Mihail Kogalniceanu) cost?
You can find cheap one-way flights from $5,034 and cheap return flights from $933 IAD to CND 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 IAD to CND ticket fares go up or down.
What is the cheapest month to fly from Washington, DC (IAD-Washington Dulles Intl.) to Constanta (CND-Mihail Kogalniceanu)?
The cheapest month to fly from IAD to CND is March when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Washington, DC (IAD-Washington Dulles Intl.) to Constanta (CND-Mihail Kogalniceanu)?
Enter IAD to CND and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Washington, DC (IAD-Washington Dulles Intl.) to Constanta (CND-Mihail Kogalniceanu)?
Lufthansa, United and Turkish Airlines are just some of the carriers that fly from Washington, DC (IAD) to Constanta (CND). Use Expedia's flight search tool to compare airlines on this route and find our cheapest option for your trip. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Washington, DC (IAD-Washington Dulles Intl.) to Constanta (CND-Mihail Kogalniceanu)?
To find a cheap flight from Washington, DC (IAD-Washington Dulles Intl.) to Constanta (CND-Mihail Kogalniceanu), 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.
What is the best time to fly from Washington, DC (IAD-Washington Dulles Intl.) to Constanta (CND-Mihail Kogalniceanu)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Washington, DC (IAD-Washington Dulles Intl.) to Constanta (CND-Mihail Kogalniceanu)?
The earliest flight from Washington Dulles International Airport (IAD) to Mihail Kogalniceanu Airport (CND) usually departs at around 1:30 PM, operated by Turkish Airlines. This service is seasonal and typically runs in July, giving you the chance to enjoy a full day in Constanta upon arrival. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
How long does it take to fly from Washington, DC (IAD-Washington Dulles Intl.) to Constanta (CND-Mihail Kogalniceanu)?
A flight from IAD to CND with a layover takes around 16 hours, with the route covering approximately 5,067 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Washington, DC (IAD-Washington Dulles Intl.) to Constanta (CND-Mihail Kogalniceanu)?
Business class seats are offered on the IAD to CND route with Turkish Airlines.
How do I earn miles on a Washington, DC (IAD-Washington Dulles Intl.) to Constanta (CND-Mihail Kogalniceanu) flight with Expedia?
It's easy to earn miles on a Washington, DC (IAD-Washington Dulles Intl.) to Constanta (CND-Mihail Kogalniceanu) 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.
What airports do you fly into for Constanta from Washington Dulles Intl. (IAD)?
If you're planning to travel to Constanta from Washington Dulles Intl. (IAD), you can fly into Mihail Kogalniceanu (CND) Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Washington, DC (IAD-Washington Dulles Intl.) to Constanta (CND-Mihail Kogalniceanu) at the last minute?
Typically, booking a last minute flight from Washington, DC (IAD-Washington Dulles Intl.) to Constanta (CND-Mihail Kogalniceanu) 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.
Is it cheaper to book a Washington, DC (IAD-Washington Dulles Intl.) to Constanta (CND-Mihail Kogalniceanu) flight and hotel package?
Securing a Washington, DC (IAD-Washington Dulles Intl.) to Constanta (CND-Mihail Kogalniceanu) 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.
Can I cancel or change the date of my flight from Washington, DC (IAD-Washington Dulles Intl.) to Constanta (CND-Mihail Kogalniceanu)?
If you booked your Washington, DC (IAD-Washington Dulles Intl.) to Constanta (CND-Mihail Kogalniceanu) 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.

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Mihail Kogalniceanu
Roundtrip price
$933
Distance
5066 mi

Book with confidence

Washington to Constanta Flights

The cheapest times to fly from Washington to Constanta

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

 

The best time to book a flight from Washington to Constanta

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

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 Constanta in 2026. You can also book with separate airlines for your outbound and return journeys, from $5,034 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 Constanta 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 Constanta 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.

 

Washington to Constanta Flights

*Flight schedules are subject to change.

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*Available to One Key members.