Cheap flights from Washington, D.C. Dulles Intl Airport to Istanbul Airport from C$ 633

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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — IST
26 Nov — 3 Dec1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Istanbul are usually found in September or October, booked 88 days in advance, depart on a Monday or Tuesday and return on a Monday

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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 27 October 2025.

Wed 3/1210:55 p.m.IAD - IST
2 stops15h 50mLufthansa
Fri 12/126:30 a.m.IST - IAD
2 stops15h 30mLufthansa
Deal found 27/10C$ 921
Fri 5/126:00 p.m.IAD - IST
1 stop16h 05mUnited Airlines
Thu 11/126:30 a.m.IST - IAD
1 stop17h 20mUnited Airlines
Deal found 25/10C$ 924
Fri 28/1110:00 p.m.IAD - IST
1 stop16h 45mUnited Airlines
Thu 4/126:30 a.m.IST - IAD
2 stops19h 00mUnited Airlines
Deal found 26/10C$ 938
Fri 7/111:30 p.m.IAD - IST
Nonstop10h 00mTurkish Airlines
Mon 8/124:05 p.m.IST - IAD
Nonstop11h 15mTurkish Airlines
Deal found 26/10C$ 942
Tue 11/116:00 p.m.IAD - IST
1 stop20h 45mLufthansa
Mon 24/116:30 a.m.IST - IAD
1 stop17h 20mLufthansa
Deal found 27/10C$ 943
Mon 10/116:00 p.m.IAD - IST
1 stop20h 45mLufthansa
Tue 25/116:30 a.m.IST - IAD
1 stop17h 20mLufthansa
Deal found 27/10C$ 946
Wed 26/115:33 p.m.IAD - IST
2 stops21h 12mUnited Airlines
Wed 6/56:10 a.m.IST - IAD
2 stops21h 12mUnited Airlines
Deal found 27/10C$ 953
Wed 3/126:05 p.m.IAD - IST
1 stop14h 50mDelta
Wed 10/124:50 a.m.IST - IAD
1 stop22h 25mDelta
Deal found 27/10C$ 957
Mon 10/116:00 p.m.IAD - IST
1 stop20h 45mLufthansa
Mon 24/116:30 a.m.IST - IAD
1 stop17h 20mLufthansa
Deal found 27/10C$ 964
Sun 16/1110:55 p.m.IAD - IST
2 stops15h 50mLufthansa
Fri 5/126:30 a.m.IST - IAD
1 stop17h 20mLufthansa
Deal found 26/10C$ 967
Wed 12/116:00 p.m.IAD - IST
1 stop16h 05mLufthansa
Tue 25/116:30 a.m.IST - IAD
1 stop17h 20mLufthansa
Deal found 27/10C$ 968

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 27 October 2025.

Round-trip from

C$ 873

One-way from

C$ 633

Popular in

June

Cheapest in

September

Average price

C$ 1,297

Good round-trip deal

C$ 1,038 or less

Good one-way deal

C$ 565 or less
KLM
  • KLM
  • 21/3-5/4
  • 3 total stops
  • 33h 00m total
  • Washington, D.C. to Istanbul
Lufthansa
  • Lufthansa
  • 9/12
  • 1 total stop
  • 16h 45m total
  • Washington, D.C. to Istanbul
Highest demand for flights based on searches. 9% potential increase in price (C$ 212 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease (C$ 38 potential savings vs. average RT price).
Average for round-trip flights in October 2025
Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Istanbul.
Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Istanbul.

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 27 October 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

Tue 21/4

6:30 p.m.-4:20 p.m.

2 stops14h 50m

Istanbul

Sat 2/5

4:25 a.m.-4:20 p.m.

1 stop18h 55m

C$ 898

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Wed 11/2

6:00 p.m.-6:05 p.m.

1 stop16h 05m

Istanbul

Sat 21/2

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

1 stop17h 20m

C$ 905

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Wed 11/2

12:35 p.m.-6:05 p.m.

2 stops21h 30m

Istanbul

Fri 20/2

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

1 stop17h 20m

C$ 914

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Thu 12/2

8:30 p.m.-10:45 p.m.

2 stops18h 15m

Istanbul

Sat 21/2

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

1 stop17h 20m

C$ 956

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Wed 3/12

10:08 a.m.-4:55 p.m.

2 stops22h 47m

Istanbul

Wed 10/12

4:50 a.m.-7:15 p.m.

1 stop22h 25m

C$ 963

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Thu 12/3

10:15 p.m.-3:20 p.m.

Nonstop10h 05m

Istanbul

Sun 22/3

8:30 a.m.-12:45 p.m.

Nonstop11h 15m

C$ 977

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Sun 19/4

8:20 p.m.-3:40 a.m.

1 stop24h 20m

Istanbul

Tue 28/4

4:30 a.m.-7:16 p.m.

3 stops21h 46m

C$ 981

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Sat 18/4

8:20 p.m.-3:40 a.m.

1 stop24h 20m

Istanbul

Tue 28/4

4:30 a.m.-7:16 p.m.

3 stops21h 46m

C$ 981

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Sun 23/11

10:55 p.m.-10:45 p.m.

2 stops15h 50m

Istanbul

Sun 7/12

6:30 a.m.-8:05 p.m.

2 stops21h 35m

C$ 996

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Sun 25/1

6:20 p.m.-6:05 p.m.

2 stops15h 45m

Istanbul

Sun 8/2

6:30 a.m.-4:40 p.m.

2 stops18h 10m

C$ 1,006

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/10

Showing 1-10 of 19 results
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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 24 October 2025.

Booking 88 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, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Istanbul Airport (average of C$ 631). Flying from Washington, D.C. Dulles Intl Airport to Istanbul Airport in June is currently the most expensive (average of C$ 1,093). 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 27 October 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 26% 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 26 October 2025.

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Istanbul Airport flight should consider departing on Tuesday mornings when fares are most often at their lowest. Friday mornings 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 15h 55m. 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 (97%), Turkish Airlines (77%), Pakistan International Airlines (77%).

  • 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$ 390. On average you can expect to pay C$ 944. The most popular route, (Washington, D.C. Dulles Intl - Istanbul), can usually be booked for C$ 1,244.

  • 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, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Istanbul Airport (average of C$ 631). Flying from Washington, D.C. Dulles Intl Airport to Istanbul Airport in June is currently the most expensive (average of C$ 1,093). 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

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