Find flights
Deals
When to book
FAQs

Cheap flights from Istanbul Airport to Washington, D.C. Dulles Intl Airport from £418

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/6. Fares are subject to change and may not be available on all flights or dates of travel.
IST — IAD
11 Feb — 18 Feb1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Istanbul to Washington, D.C. Dulles Intl are usually found in September or January, booked 33 days in advance, depart on a Monday or Tuesday and return on a Monday

Cheap flight deals from Istanbul to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Istanbul (IST) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 12 January 2026.

Round-trip from

£467

One-way from

£418

Popular in

August

Cheapest in

September

Average price

£493
KLM
  • KLM
  • 29/4-14/5
  • 3 total stops
  • 40h 13m total
  • Istanbul to Washington, D.C.
Search Deals
British Airways
  • British Airways
  • 21/6
  • 2 total stops
  • 20h 43m total
  • Istanbul to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£38 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Find flight deals from Istanbul to Dulles Intl

Enter your travel dates to find the best prices.

Cheapest flights from Istanbul to Dulles Intl
Explore the most affordable flight options available from Istanbul to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 January 2026.

Sat 17/117:55
IST
-
IAD
1 stop30h 10m
KLM
Sun 1/218:05
IAD
-
IST
1 stop14h 50m
KLM
Deal found 11/1£467
Wed 14/117:55
IST
-
IAD
1 stop30h 10m
KLM
Sun 8/218:05
IAD
-
IST
1 stop14h 50m
KLM
Deal found 10/1£468
Sun 22/208:30
IST
-
IAD
Nonstop11h 15m
Turkish Airlines
Thu 26/213:30
IAD
-
IST
Nonstop10h 00m
Turkish Airlines
Deal found 10/1£470
Sat 14/206:30
IST
-
IAD
1 stop16h 05m
United Airlines
Fri 24/408:29
IAD
-
IST
2 stops21h 31m
United Airlines
Deal found 10/1£473
Thu 30/406:00
IST
-
IAD
2 stops17h 28m
KLM
Tue 12/517:40
IAD
-
IST
1 stop24h 40m
KLM
Deal found 11/1£474
Sat 7/206:30
IST
-
IAD
2 stops22h 49m
United Airlines
Thu 26/213:02
IAD
-
IST
2 stops21h 03m
United Airlines
Deal found 10/1£477
Thu 30/413:55
IST
-
IAD
2 stops28h 28m
United Airlines
Sun 17/522:05
IAD
-
IST
1 stop16h 30m
United Airlines
Deal found 11/1£478
Mon 3/820:15
IST
-
IAD
1 stop26h 35m
British Airways
Tue 15/921:30
IAD
-
IST
1 stop13h 55m
British Airways
Deal found 11/1£483
Tue 16/608:15
IST
-
IAD
1 stop16h 10m
British Airways
Thu 9/719:15
IAD
-
IST
1 stop22h 25m
British Airways
Deal found 10/1£485
Wed 21/117:55
IST
-
IAD
1 stop30h 10m
Delta
Wed 6/518:10
IAD
-
IST
1 stop24h 10m
Delta
Deal found 12/1£486
Sat 17/117:55
IST
-
IAD
1 stop30h 10m
Delta
Sun 1/212:23
IAD
-
IST
2 stops20h 32m
Delta
Deal found 12/1£486

Cheapflights Fare Finder

 
Customise your flight search to find flights from Istanbul to Dulles Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 12 January 2026.
Use the filters below to find and compare flights from Istanbul Airport to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Istanbul

Fly to

Dulles Intl

Route

Depart

Return

Price

IstanbulWashington, D.C.

IST - IAD

ISTIAD

Istanbul

Sun 28/6

07:40-11:35

Nonstop10h 55m

Washington, D.C. Dulles Intl

Thu 9/7

21:45-14:50

Nonstop10h 05m

£470

IstanbulWashington, D.C.

IST - IAD

ISTIAD

Istanbul

Tue 26/5

15:50-19:50

Nonstop11h 00m

Washington, D.C. Dulles Intl

Tue 14/7

13:20-06:10

Nonstop9h 50m

£471

IstanbulWashington, D.C.

IST - IAD

ISTIAD

Istanbul

Thu 30/4

06:00-16:28

2 stops17h 28m

Washington, D.C. Dulles Intl

Tue 12/5

17:40-01:20

1 stop24h 40m

£474

IstanbulWashington, D.C.

IST - IAD

ISTIAD

Istanbul

Fri 19/6

08:10-17:25

1 stop16h 15m

Washington, D.C. Dulles Intl

Sun 12/7

19:15-00:25

1 stop22h 10m

£485

IstanbulWashington, D.C.

IST - IAD

ISTIAD

Istanbul

Sat 7/2

17:55-16:46

2 stops30h 51m

Washington, D.C. Dulles Intl

Sun 15/2

17:25-16:55

2 stops15h 30m

£491

IstanbulWashington, D.C.

IST - IAD

ISTIAD

Istanbul

Mon 26/1

17:55-16:46

2 stops30h 51m

Washington, D.C. Dulles Intl

Mon 9/2

15:42-16:55

2 stops17h 13m

£491

IstanbulWashington, D.C.

IST - IAD

ISTIAD

Istanbul

Wed 18/2

16:05-19:20

Nonstop11h 15m

Washington, D.C. Dulles Intl

Sun 22/2

13:30-07:30

Nonstop10h 00m

£494

IstanbulWashington, D.C.

IST - IAD

ISTIAD

Istanbul

Fri 13/2

04:50-23:09

2 stops26h 19m

Washington, D.C. Dulles Intl

Fri 24/4

17:40-16:20

1 stop15h 40m

£495

IstanbulWashington, D.C.

IST - IAD

ISTIAD

Istanbul

Wed 29/4

13:55-00:15

2 stops17h 20m

Washington, D.C. Dulles Intl

Thu 14/5

20:20-21:35

2 stops18h 15m

£498

IstanbulWashington, D.C.

IST - IAD

ISTIAD

Istanbul

Tue 28/4

13:55-00:15

2 stops17h 20m

Washington, D.C. Dulles Intl

Tue 12/5

12:43-13:00

2 stops17h 17m

£503

Flights are sorted by cheapest return flights first.

Deals found on 10/1

Showing 1-10 of 22 results
1
2
3

Best time to book a flight from Istanbul to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Istanbul with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Istanbul Airport to Washington, D.C. Dulles Intl Airport

How far ahead should I book a flight from Istanbul Airport to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the optimal time to book a return flight from Istanbul to Dulles Intl. Price data was last updated on 9 January 2026.

The price you pay for your flight from Istanbul Airport to Washington, D.C. Dulles Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 33 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Istanbul Airport to Washington, D.C. Dulles Intl Airport?

Currently, February is the cheapest month in which you can book a flight from Istanbul Airport to Washington, D.C. Dulles Intl Airport (average of £314). Flying from Istanbul Airport to Washington, D.C. Dulles Intl Airport in August is currently the most expensive (average of £487). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IST to IAD?

Find hourly flight availability from Istanbul to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 January 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Istanbul Airport to Washington, D.C. Dulles Intl Airport as you normally would.

How much does it cost for a return flight from Istanbul Airport to Washington, D.C. Dulles Intl Airport?

Related info for your journey

Find useful and relevant information for your journey from Istanbul to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Airlines like Turkish Airlines, KLM, and British Airways fly from Istanbul Airport to Washington, D.C. Dulles Intl Airport in about 10h 55m. The time it takes to get you to your destination can typically vary by up to 6h 33m. Airlines will cover a distance of 5207 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the most reliable airlines from Istanbul Airport to Washington, D.C. Dulles Intl Airport?

    Before booking your flight to Washington, D.C. Dulles Intl Airport from Istanbul Airport, check out the most reliable airlines to get you to your destination on time: Thai Airways (77%), Turkish Airlines (64%), Pakistan International Airlines( 64%).

  • Can I find deals for flights from Istanbul to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Istanbul to Dulles Intl flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Istanbul to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Istanbul to Dulles Intl.

  • Can I find deals for business class flights from Istanbul to Dulles Intl?

    Yes. Cheapflights offers flight deals from Istanbul to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Istanbul Airport to Washington, D.C. Dulles Intl Airport?

    Currently, February is the cheapest month in which you can book a flight from Istanbul Airport to Washington, D.C. Dulles Intl Airport (average of £314). Flying from Istanbul Airport to Washington, D.C. Dulles Intl Airport in August is currently the most expensive (average of £487). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Silver Spring
Hanover
Oxon Hill
Woodbridge
Arlington
Alexandria
College Park

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Istanbul to Dulles Intl?

When you search for this flight from Istanbul to Dulles Intl, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Istanbul to Dulles Intl?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Istanbul to Dulles Intl for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Istanbul to Dulles Intl with no change fees?

Yes, we can. To see specific flights from Istanbul to Dulles Intl with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Istanbul to Dulles Intl become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Dulles Intl from Istanbul today and book when prices fit your budget.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.