Istanbul

$436+ Cheap flights from Dulles Intl (IAD) to Istanbul (IST)

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 1/7. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — IST
Nov 26 — Dec 31
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Find cheap flights from Dulles Intl to Istanbul with Cheapflights

1. Tell us where you want to go

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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 Tuesday or Sunday and return on a Tuesday

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 October 27, 2025.

This Orbitz deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:00 pmIAD - IST
1 stop15h 45mMultiple Airlines
Thu 1/89:25 pmIST - IAD
2 stops31h 04mMultiple Airlines
Deal found 10/24$639
This Ucuzabilet deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ucuzabilet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/91:30 pmIAD - IST
Nonstop10h 00mTurkish Airlines
Tue 12/164:05 pmIST - IAD
Nonstop11h 15mTurkish Airlines
Deal found 10/25$642
This Air France deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/812:30 pmIAD - IST
2 stops20h 25mMultiple Airlines
Wed 12/244:50 amIST - IAD
2 stops19h 15mMultiple Airlines
Deal found 10/27$643
This FlightHub deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:40 pmIAD - IST
1 stop20h 15mIcelandair
Mon 1/1212:25 pmIST - IAD
1 stop14h 05mIcelandair
Deal found 10/27$644
This KAYAK deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/295:45 pmIAD - IST
2 stops21h 00mLufthansa
Sat 12/67:00 pmIST - IAD
2 stops28h 35mLufthansa
Deal found 10/25$646
This KAYAK deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/306:20 pmIAD - IST
2 stops20h 25mLufthansa
Sat 12/67:00 pmIST - IAD
2 stops28h 35mLufthansa
Deal found 10/25$648
This Gotogate deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/71:30 pmIAD - IST
Nonstop10h 00mTurkish Airlines
Thu 11/204:05 pmIST - IAD
Nonstop11h 15mTurkish Airlines
Deal found 10/26$649
This Air France deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/99:25 pmIAD - IST
1 stop22h 25mAir France
Mon 12/154:50 amIST - IAD
1 stop19h 45mAir France
Deal found 10/27$650
This Air France deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/136:50 pmIAD - IST
1 stop25h 00mAir France
Fri 12/194:50 amIST - IAD
1 stop19h 45mAir France
Deal found 10/25$654
This Air Canada deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/294:30 pmIAD - IST
2 stops19h 40mAir Canada
Tue 12/96:30 amIST - IAD
2 stops22h 29mAir Canada
Deal found 10/26$656
This Air France deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/76:05 pmIAD - IST
1 stop14h 50mKLM
Sun 12/215:55 pmIST - IAD
1 stop30h 10mKLM
Deal found 10/25$657
This Orbitz deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2710:55 pmIAD - IST
2 stops15h 50mMultiple Airlines
Sat 1/103:10 pmIST - IAD
2 stops28h 38mMultiple Airlines
Deal found 10/25$658

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 October 27, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$639
(Orbitz)

One-way from

$436
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$927

Good round-trip deal

$684 or less

Good one-way deal

$430 or less
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Istanbul flight deals.
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Istanbul flights.
From Washington, D.C. Dulles Intl to Istanbul
One-way flight from Washington, D.C. Dulles Intl to Istanbul
Highest demand for flights based on searches. 9% potential increase in price ($108 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($20 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 2,558,603 searches. Data last updated October 27, 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

Fri 1/23

6:00 pm-6:05 pm

1 stop16h 05m

Istanbul

Fri 2/6

6:30 am-3:50 pm

1 stop17h 20m

$647

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Sun 2/15

6:00 pm-6:05 pm

1 stop16h 05m

Istanbul

Wed 3/4

6:30 am-3:50 pm

1 stop17h 20m

$647

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Thu 2/26

1:02 pm-10:45 pm

2 stops25h 43m

Istanbul

Thu 3/12

6:30 am-4:50 pm

1 stop17h 20m

$651

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Mon 2/23

10:00 pm-10:45 pm

1 stop16h 45m

Istanbul

Tue 3/3

6:30 am-4:28 pm

2 stops17h 58m

$652

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Wed 2/11

12:35 pm-6:05 pm

2 stops21h 30m

Istanbul

Fri 2/20

6:30 am-3:50 pm

1 stop17h 20m

$653

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Wed 2/18

6:00 pm-6:05 pm

1 stop16h 05m

Istanbul

Sat 2/28

6:30 am-3:50 pm

1 stop17h 20m

$662

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Sun 2/15

12:30 pm-4:55 pm

2 stops20h 25m

Istanbul

Wed 3/4

4:50 am-4:35 pm

1 stop19h 45m

$663

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Sun 2/15

12:30 pm-4:55 pm

2 stops20h 25m

Istanbul

Thu 3/5

4:50 am-4:35 pm

1 stop19h 45m

$663

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Wed 12/3

10:08 am-4:55 pm

2 stops22h 47m

Istanbul

Wed 12/10

4:50 am-7:15 pm

1 stop22h 25m

$688

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Fri 2/20

10:00 pm-10:45 pm

1 stop16h 45m

Istanbul

Sun 3/1

6:30 am-3:50 pm

1 stop17h 20m

$697

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/25

Showing 1-10 of 23 results
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Compare providers for flights from Dulles Intl to Istanbul

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Istanbul in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
oojoPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
Thrive TravelPrice Accuracy3 starsTrust Score*1 star
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Istanbul Airport flights, users find the pricing of Justfly.com to be most consistent on Cheapflights vs. Justfly.com Users can find the same prices on Washington, D.C. Dulles Intl Airport-Istanbul Airport flight deals on Cheapflights vs. Justfly.com >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Istanbul Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Istanbul Airport flights, Cheapflights users trust Justfly.com the most. Justfly.com has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Istanbul Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 October 24, 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 $451). Flying from Washington, D.C. Dulles Intl Airport to Istanbul Airport in June is currently the most expensive (average of $781). 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 October 27, 2025.

When flying from Washington, D.C. Dulles Intl Airport to Istanbul Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 24% versus a flight in the evening.

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 October 26, 2025.

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

Reviews of airlines servicing Istanbul

Get insights into the airlines that provide service to Istanbul. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Istanbul. Reviews last updated October 27, 2025.
Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Istanbul Airport, such as Delta, SAUDIA, and Turkish Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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?

    United Airlines can get you from Washington, D.C. Dulles Intl Airport to Istanbul Airport in just under 16h 05m. Your travel time can differ by up to . There are 5207 mi between Washington, D.C. Dulles Intl Airport and Istanbul Airport.

  • What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Istanbul Airport round-trip?

    Flying on Icelandair is currently your cheapest option to Istanbul Airport, with prices starting at $393. Additional round-trip tickets that might be worth considering are offered by Lufthansa and KLM, with the lowest prices starting at $561 and $618, respectively. Icelandair is priced at 61% lower than the current average price of a flight leaving 3 months from now.

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

    Before booking your flight to Istanbul Airport from Washington, D.C. Dulles Intl Airport, check out the most reliable airlines to get you to your destination 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?

    Looking for the cheapest flight from Washington, D.C. Dulles Intl Airport to Istanbul Airport? While on average our users pay $1,988, our data indicates the cheapest price to be $346. The most popular route (Washington, D.C. Dulles Intl - Istanbul), is priced around $518.

  • Where are the most common layover locations when flying from Washington, D.C. Dulles Intl Airport to Istanbul Airport?

  • What are some popular things to do or see while on a layover in Frankfurt am Main?

    Römerberg, Festhalle, and Historisches Museum Frankfurt are currently the most popular points of interest in Frankfurt am Main at the moment. Those on a layover in Frankfurt am Main interested in visiting Römerberg, Festhalle, or Historisches Museum Frankfurt can do so by traveling 7.4 mi, 6.5 mi, and 7.3 mi, respectively from Frankfurt am Main. Travelers in need of a car in Frankfurt am Main can rent one for about $43 per day.

  • What are some popular points of interest to see during a layover in London?

    Hyde Park, Buckingham Palace, and Piccadilly Circus are currently the most popular points of interest in London at the moment. Hyde Park, Buckingham Palace, and Piccadilly Circus can be visited by traveling about 12.5 mi, 13.7 mi, and 14.1 mi respectively from London Heathrow. Those looking to explore during their layover in London can rent a car from London Heathrow for about $30 per day.

  • Where are the least popular layover locations for Washington, D.C. Dulles Intl Airport to Istanbul Airport flights?

  • 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 $451). Flying from Washington, D.C. Dulles Intl Airport to Istanbul Airport in June is currently the most expensive (average of $781). 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

Traveling to a place near Istanbul Airport?

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

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Alternative routes for Dulles Intl to Istanbul

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Dulles Intl to Istanbul

Discover the top 10 airlines that operate flights from Dulles Intl to Istanbul. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$393Average$655FlexibilityNo cancel feeOn-time76%
LufthansaCheapest$561Average$942FlexibilityNo cancel feeOn-time76%
KLMCheapest$618Average$767FlexibilityNo cancel feeOn-time75%
Royal JordanianCheapest$669Average$677FlexibilityNo cancel feeOn-time61%
DeltaCheapest$683Average$933FlexibilityNo cancel feeOn-timeN/A
Etihad AirwaysCheapest$687Average$786FlexibilityNo cancel feeOn-time75%
SAUDIACheapest$713Average$795FlexibilityNo cancel feeOn-time86%
British AirwaysCheapest$720Average$1,110FlexibilityNo cancel feeOn-time70%
Turkish AirlinesCheapest$722Average$1,072FlexibilityNo cancel feeOn-time77%
Qatar AirwaysCheapest$794Average$959FlexibilityNo cancel feeOn-time68%

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