Find flights
Deals
When to book
FAQs

Cheap flights from Washington, D.C. Dulles Intl Airport to Istanbul Airport from C$ 502

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 25/10. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — IST
11 Oct — 18 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Istanbul are usually found in September or October, booked 56 days in advance, depart on a Monday or Sunday and return on a Monday

Cheap flight deals from Dulles Intl to Istanbul

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Istanbul (IST). 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 11 September 2025.

Round-trip from

C$ 962

One-way from

C$ 502

Popular in

June

Cheapest in

September

Average price

C$ 1,279

Good round-trip deal

C$ 1,065 or less
Icelandair
  • Icelandair
  • 27/12-19/1
  • 2 total stops
  • 34h 20m total
  • Washington, D.C. to Istanbul
Search Deals
25/10
  • 25/10
  • 2 total stops
  • 37h 35m total
  • Washington, D.C. to Istanbul
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (C$ 188 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals
Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Istanbul.
Search Deals

Find flight deals from Dulles Intl to Istanbul

Cheapest flights from Dulles Intl to Istanbul
Explore the most affordable flight options available from Dulles Intl to Istanbul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 September 2025.

Sat 1/118:40 p.m.IAD - IST
1 stop20h 15mIcelandair
Mon 24/1112:25 p.m.IST - IAD
1 stop14h 05mIcelandair
Deal found 10/9C$ 962
Tue 23/98:30 p.m.IAD - IST
1 stop20h 25mIcelandair
Fri 3/1012:25 p.m.IST - IAD
1 stop13h 55mIcelandair
Deal found 10/9C$ 992
Wed 5/119:25 p.m.IAD - IST
1 stop22h 25mKLM
Tue 11/114:50 a.m.IST - IAD
1 stop19h 45mKLM
Deal found 11/9C$ 1,016
Tue 4/119:25 p.m.IAD - IST
1 stop22h 25mDelta
Tue 18/114:50 a.m.IST - IAD
1 stop19h 45mDelta
Deal found 10/9C$ 1,030
Mon 3/116:05 p.m.IAD - IST
1 stop14h 50mDelta
Mon 24/114:50 a.m.IST - IAD
1 stop19h 45mDelta
Deal found 10/9C$ 1,031
Tue 9/126:00 p.m.IAD - IST
1 stop20h 45mMultiple Airlines
Tue 16/128:50 a.m.IST - IAD
2 stops34h 33mMultiple Airlines
Deal found 11/9C$ 1,032
Fri 7/116:50 p.m.IAD - IST
1 stop25h 00mKLM
Tue 11/114:50 a.m.IST - IAD
1 stop19h 45mKLM
Deal found 11/9C$ 1,034
Mon 3/116:50 p.m.IAD - IST
1 stop25h 00mKLM
Thu 13/114:50 a.m.IST - IAD
1 stop19h 45mKLM
Deal found 11/9C$ 1,037
Sun 23/1112:11 p.m.IAD - IST
2 stops20h 44mDelta
Wed 3/124:50 a.m.IST - IAD
1 stop19h 45mDelta
Deal found 10/9C$ 1,038
Wed 5/114:25 p.m.IAD - IST
2 stops22h 20mUnited Airlines
Wed 12/116:30 a.m.IST - IAD
1 stop17h 20mUnited Airlines
Deal found 11/9C$ 1,041
Sun 28/124:30 p.m.IAD - IST
2 stops22h 15mUnited Airlines
Thu 22/16:30 a.m.IST - IAD
1 stop17h 20mUnited Airlines
Deal found 10/9C$ 1,042
Sun 2/119:25 p.m.IAD - IST
1 stop22h 25mDelta
Wed 19/114:50 a.m.IST - IAD
2 stops22h 18mDelta
Deal found 10/9C$ 1,043

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Istanbul 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 629,999 searches. Data last updated 11 September 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Istanbul Airport that are best for you.

Fly from

Dulles Intl

Fly to

Istanbul

Route

Depart

Return

Price

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Wed 5/11

9:25 p.m.-3:50 a.m.

1 stop22h 25m

Istanbul

Tue 11/11

4:50 a.m.-4:35 p.m.

1 stop19h 45m

C$ 1,016

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Tue 9/12

5:15 p.m.-10:45 p.m.

1 stop21h 30m

Istanbul

Tue 16/12

6:30 a.m.-3:50 p.m.

1 stop17h 20m

C$ 1,032

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Tue 9/12

6:00 p.m.-10:45 p.m.

1 stop20h 45m

Istanbul

Tue 16/12

8:50 a.m.-11:23 a.m.

2 stops34h 33m

C$ 1,032

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Wed 11/2

1:15 p.m.-6:05 p.m.

2 stops20h 50m

Istanbul

Wed 25/2

6:30 a.m.-8:59 p.m.

2 stops22h 29m

C$ 1,034

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Wed 12/11

6:50 p.m.-3:50 a.m.

1 stop25h 00m

Istanbul

Fri 14/11

4:50 a.m.-4:35 p.m.

1 stop19h 45m

C$ 1,034

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Tue 13/1

1:15 p.m.-5:45 p.m.

2 stops20h 30m

Istanbul

Fri 23/1

6:30 a.m.-2:35 p.m.

1 stop16h 05m

C$ 1,034

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Sun 8/2

6:50 p.m.-3:50 a.m.

1 stop25h 00m

Istanbul

Sat 21/2

4:50 a.m.-4:35 p.m.

1 stop19h 45m

C$ 1,034

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Mon 12/1

6:00 p.m.-5:55 p.m.

1 stop15h 55m

Istanbul

Wed 21/1

6:30 a.m.-2:35 p.m.

1 stop16h 05m

C$ 1,034

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Sat 8/11

6:50 p.m.-3:50 a.m.

1 stop25h 00m

Istanbul

Tue 11/11

4:50 a.m.-4:35 p.m.

1 stop19h 45m

C$ 1,034

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Sun 11/1

6:50 p.m.-3:50 a.m.

1 stop25h 00m

Istanbul

Sat 24/1

4:50 a.m.-4:35 p.m.

1 stop19h 45m

C$ 1,034

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/9

Showing 1-10 of 22 results
1
2
3

Best time to book a flight from Dulles Intl to Istanbul

Have a flexible travel schedule? Discover the best time to fly to Istanbul from Dulles Intl with our price prediction graph.
Estimated round-trip 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 Washington, D.C. Dulles Intl Airport to Istanbul Airport

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

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Istanbul. Price data was last updated on 29 August 2025.

Booking 56 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. Dulles Intl Airport to Istanbul Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, October is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Istanbul Airport (average of C$ 993). Flying from Washington, D.C. Dulles Intl Airport to Istanbul Airport in December is currently the most expensive (average of C$ 1,235). 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 IAD to IST?

Find hourly flight availability from Dulles Intl to Istanbul. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 September 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 25% on flights from Washington, D.C. Dulles Intl Airport to Istanbul Airport by exploring options for tickets in the afternoon.

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

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to Istanbul. Price data was last updated on 7 September 2025.

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Istanbul Airport flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Wednesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Istanbul. 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 Washington, D.C. Dulles Intl Airport to Istanbul Airport?

    Departing from Washington, D.C. Dulles Intl Airport to Istanbul Airport will take you 20h 50m. There are 8380 km between Washington, D.C. Dulles Intl Airport and Istanbul Airport. Both multi-stop and direct flights can be found to your destination and back.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Washington, D.C. Dulles Intl Airport to Istanbul Airport on time: Thai Airways (92%), Turkish Airlines (72%), Pakistan International Airlines (72%).

  • What are the cheapest flights from Washington, D.C. Dulles Intl Airport to Istanbul Airport?

    The cheapest flight price from Washington, D.C. Dulles Intl Airport to Istanbul Airport is C$ 1,003. On average you can expect to pay C$ 1,135. The most popular route, (Washington, D.C. Dulles Intl - Istanbul), can usually be booked for C$ 1,232.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl to Istanbul 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 Washington, D.C. Dulles Intl Airport to Istanbul Airport?

    Currently, October is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Istanbul Airport (average of C$ 993). Flying from Washington, D.C. Dulles Intl Airport to Istanbul Airport in December is currently the most expensive (average of C$ 1,235). 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 Istanbul Airport?

Book flights to Istanbul Airport if you plan to visit one of these locations
Yalova

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 travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights makes it easy to find Dulles Intl to Istanbul flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Dulles Intl to Istanbul.

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

Need flexible booking options for your flight to Istanbul from Dulles Intl? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Not ready to book yet? You can track prices for flights from Dulles Intl to Istanbul on Cheapflights with our Price Alert feature and get notified when better prices are available.

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.