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Cheap flights from Istanbul Airport to Washington, D.C. Dulles Intl Airport from £315

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 13/1. Fares are subject to change and may not be available on all flights or dates of travel.
IST — IAD
21 Dec — 28 Dec1
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 26 days in advance, depart on a Sunday 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 21 November 2025.

Round-trip from

£476

One-way from

£315

Popular in

August

Cheapest in

September

Average price

£579
KLM
  • KLM
  • 1/5-11/5
  • 3 total stops
  • 42h 24m total
  • Istanbul to Washington, D.C.
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British Airways
  • British Airways
  • 13/1
  • 1 total stop
  • 16h 00m total
  • Istanbul to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£31 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease (£9 potential savings vs. average return price).
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Average for round-trip flights in November 2025
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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 21 November 2025.

Mon 24/1117:55IST - IAD
1 stop30h 10mKLM
Sun 7/1218:50IAD - IST
1 stop25h 00mKLM
Deal found 20/11£473
Sat 6/1207:35IST - IAD
2 stops19h 56mBritish Airways
Mon 8/1218:20IAD - IST
1 stop21h 45mBritish Airways
Deal found 21/11£476
Sat 6/1219:00IST - IAD
1 stop33h 15mLufthansa
Tue 20/118:00IAD - IST
1 stop20h 45mLufthansa
Deal found 20/11£478
Thu 18/1204:50IST - IAD
1 stop22h 40mKLM
Thu 29/117:26IAD - IST
2 stops15h 29mKLM
Deal found 20/11£479
Wed 26/1104:50IST - IAD
1 stop19h 45mKLM
Tue 2/1218:05IAD - IST
1 stop14h 50mKLM
Deal found 20/11£481
Thu 18/1204:50IST - IAD
1 stop22h 40mKLM
Fri 23/118:50IAD - IST
1 stop25h 00mKLM
Deal found 20/11£482
Wed 17/1217:55IST - IAD
1 stop30h 10mKLM
Wed 21/117:26IAD - IST
2 stops15h 29mKLM
Deal found 20/11£483
Wed 17/1217:55IST - IAD
1 stop30h 10mKLM
Sat 24/118:05IAD - IST
1 stop14h 50mKLM
Deal found 20/11£485
Wed 17/1206:30IST - IAD
1 stop17h 20mUnited Airlines
Wed 21/118:00IAD - IST
1 stop16h 05mUnited Airlines
Deal found 20/11£490
Sun 23/1117:55IST - IAD
1 stop30h 10mDelta
Tue 31/312:30IAD - IST
2 stops20h 50mDelta
Deal found 21/11£494

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 21 November 2025.
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

Sat 18/4

13:50-15:50

1 stop33h 00m

Washington, D.C. Dulles Intl

Sat 25/4

10:20-12:55

2 stops19h 35m

£478

IstanbulWashington, D.C.

IST - IAD

ISTIAD

Istanbul

Sun 15/3

17:55-17:05

1 stop30h 10m

Washington, D.C. Dulles Intl

Tue 28/4

18:30-16:20

2 stops14h 50m

£486

IstanbulWashington, D.C.

IST - IAD

ISTIAD

Istanbul

Wed 15/4

06:00-17:30

2 stops18h 30m

Washington, D.C. Dulles Intl

Fri 24/4

20:45-21:15

2 stops17h 30m

£487

IstanbulWashington, D.C.

IST - IAD

ISTIAD

Istanbul

Thu 12/3

17:55-17:05

1 stop30h 10m

Washington, D.C. Dulles Intl

Tue 28/4

13:00-16:20

2 stops44h 20m

£495

IstanbulWashington, D.C.

IST - IAD

ISTIAD

Istanbul

Thu 18/12

04:50-19:30

1 stop22h 40m

Washington, D.C. Dulles Intl

Fri 23/1

14:15-16:55

2 stops18h 40m

£496

IstanbulWashington, D.C.

IST - IAD

ISTIAD

Istanbul

Thu 11/12

18:40-15:35

1 stop28h 55m

Washington, D.C. Dulles Intl

Sun 14/12

18:20-00:50

1 stop22h 30m

£499

IstanbulWashington, D.C.

IST - IAD

ISTIAD

Istanbul

Sat 13/12

17:55-19:19

2 stops33h 24m

Washington, D.C. Dulles Intl

Wed 31/12

06:00-16:55

2 stops26h 55m

£499

IstanbulWashington, D.C.

IST - IAD

ISTIAD

Istanbul

Fri 13/3

17:55-19:12

2 stops32h 17m

Washington, D.C. Dulles Intl

Tue 28/4

12:30-16:20

2 stops44h 50m

£500

IstanbulWashington, D.C.

IST - IAD

ISTIAD

Istanbul

Tue 17/3

17:55-17:05

1 stop30h 10m

Washington, D.C. Dulles Intl

Mon 27/4

13:00-03:30

2 stops31h 30m

£500

IstanbulWashington, D.C.

IST - IAD

ISTIAD

Istanbul

Mon 15/12

04:50-16:35

1 stop19h 45m

Washington, D.C. Dulles Intl

Mon 19/1

12:23-16:55

2 stops20h 32m

£501

Flights are sorted by cheapest return flights first.

Deals found on 20/11

Showing 1-10 of 23 results
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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 14 November 2025.

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 26 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 £322). Flying from Istanbul Airport to Washington, D.C. Dulles Intl Airport in August is currently the most expensive (average of £436). 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 21 November 2025.

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 British Airways, United Airlines, and KLM fly from Istanbul Airport to Washington, D.C. Dulles Intl Airport in about 19h 56m. The time it takes to get you to your destination can typically vary by up to 13h 04m. 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 cheapest airlines to fly from Istanbul Airport to Washington, D.C. Dulles Intl Airport one-way?

    £315 is the cheapest one-way deal found within the past few days, from British Airways. You may also be able to find cheap deals on KLM and Egyptair, with prices starting from £471 and £497, respectively.

  • 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 (81%), Turkish Airlines (70%), Pakistan International Airlines( 70%).

  • 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 £322). Flying from Istanbul Airport to Washington, D.C. Dulles Intl Airport in August is currently the most expensive (average of £436). 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

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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.

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