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$471+ 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 9/20. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — IST
Jul 10 — Jul 171
Fri 7/10
Fri 7/17
1 adult, Economy
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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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2. Select your favorite providers

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3. Compare prices and book

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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Istanbul are usually found in February or January, booked 59 days in advance, depart on a Wednesday or Tuesday and return on a Saturday

Cheap 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 June 10, 2026.

This oojo deal was found by Cheapflights users on 6/5. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/319:00 pm
IAD
-
IST
1 stop31h 55m
Qatar Airways
Fri 9/48:05 pm
IST
-
IAD
1 stop19h 40m
Qatar Airways
Deal found 6/5$773
This Delta deal was found by Cheapflights users on 6/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:15 pm
IAD
-
IST
2 stops25h 15m
Delta
Tue 9/155:20 pm
IST
-
IAD
1 stop29h 15m
Delta
Deal found 6/5$774
This Delta deal was found by Cheapflights users on 6/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/49:45 pm
IAD
-
IST
1 stop22h 45m
Delta
Thu 9/34:25 am
IST
-
IAD
2 stops21h 08m
Delta
Deal found 6/5$779
This oojo deal was found by Cheapflights users on 6/7. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2511:05 am
IAD
-
IST
1 stop18h 10m
Qatar Airways
Fri 10/28:05 pm
IST
-
IAD
1 stop26h 35m
Qatar Airways
Deal found 6/7$780
This Delta deal was found by Cheapflights users on 6/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/76:15 pm
IAD
-
IST
1 stop26h 15m
Delta
Fri 10/236:00 am
IST
-
IAD
1 stop16h 35m
Delta
Deal found 6/6$782
This Delta deal was found by Cheapflights users on 6/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/27:15 pm
IAD
-
IST
2 stops25h 15m
Delta
Thu 10/15:20 pm
IST
-
IAD
2 stops32h 01m
Delta
Deal found 6/8$783
This oojo deal was found by Cheapflights users on 6/9. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2011:05 am
IAD
-
IST
1 stop18h 10m
Qatar Airways
Sat 10/31:45 pm
IST
-
IAD
1 stop26h 10m
Qatar Airways
Deal found 6/9$784
This Justfly.com deal was found by Cheapflights users on 6/8. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/810:40 am
IAD
-
IST
1 stop24h 00m
Qatar Airways
Fri 11/138:10 pm
IST
-
IAD
1 stop27h 45m
Qatar Airways
Deal found 6/8$785
This oojo deal was found by Cheapflights users on 6/9. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/199:00 pm
IAD
-
IST
1 stop31h 55m
Qatar Airways
Sun 9/138:05 pm
IST
-
IAD
1 stop26h 35m
Qatar Airways
Deal found 6/9$787
This Justfly.com deal was found by Cheapflights users on 6/8. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/109:00 pm
IAD
-
IST
1 stop38h 35m
Qatar Airways
Mon 9/141:45 pm
IST
-
IAD
1 stop26h 00m
Qatar Airways
Deal found 6/8$788
This oojo deal was found by Cheapflights users on 6/8. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/19:00 pm
IAD
-
IST
1 stop38h 35m
Qatar Airways
Sat 10/178:05 pm
IST
-
IAD
1 stop26h 35m
Qatar Airways
Deal found 6/8$789
This oojo deal was found by Cheapflights users on 6/8. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/119:00 pm
IAD
-
IST
1 stop38h 35m
Qatar Airways
Mon 9/288:05 pm
IST
-
IAD
1 stop26h 35m
Qatar Airways
Deal found 6/8$790

Find 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 June 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$773
(oojo)

One-way from

$471
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$1,285

Good round-trip deal

$957 or less

Good one-way deal

$724 or less
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Istanbul flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Istanbul flights.
Search Deals
From Washington, D.C. Dulles Intl to Istanbul
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Istanbul
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($213 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Istanbul.
Search Deals
Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Istanbul.
Search Deals

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 June 10, 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Tue 7/7

6:59 pm-3:30 am

2 stops25h 31m

Istanbul

Fri 9/11

4:25 am-4:05 pm

1 stop18h 40m

$888

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Thu 9/10

7:59 pm-3:30 am

2 stops24h 31m

Istanbul

Mon 9/28

4:25 am-8:49 pm

2 stops23h 24m

$893

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Fri 8/28

7:19 pm-3:30 am

2 stops25h 11m

Istanbul

Mon 9/7

4:25 am-8:55 pm

2 stops23h 30m

$969

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Mon 10/12

12:30 pm-4:20 pm

2 stops20h 50m

Istanbul

Thu 10/22

4:25 am-7:10 pm

2 stops21h 45m

$984

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Tue 7/7

6:59 pm-3:30 am

2 stops25h 31m

Istanbul

Wed 7/15

4:25 am-4:05 pm

1 stop18h 40m

$989

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Sun 7/12

9:45 pm-3:30 am

1 stop22h 45m

Istanbul

Thu 8/20

6:00 am-3:35 pm

1 stop16h 35m

$994

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Sun 9/6

1:10 pm-1:00 pm

2 stops16h 50m

Istanbul

Tue 9/22

1:55 pm-12:44 am

2 stops17h 49m

$1,021
Quickest round-trip

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Sun 8/23

9:45 pm-2:50 pm

Nonstop10h 05m

Istanbul

Thu 9/24

7:40 am-11:35 am

Nonstop10h 55m

$1,029

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Tue 7/7

5:40 pm-1:20 am

1 stop24h 40m

Istanbul

Fri 9/11

4:25 am-4:05 pm

1 stop18h 40m

$1,049

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Sat 7/4

7:59 pm-3:30 am

2 stops24h 31m

Istanbul

Wed 8/19

5:20 pm-4:38 pm

2 stops30h 18m

$1,068

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/5

Showing 1-10 of 22 resultsSorted by cheapest first
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3

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 June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*2 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
Thrive TravelPrice 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Istanbul Airport flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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?

Booking 58 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 $731). Flying from Washington, D.C. Dulles Intl Airport to Istanbul Airport in June is currently the most expensive (average of $1,285). 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 June 10, 2026.

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 morning, which can drop the price by up to 6% versus a flight at noon.

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 June 8, 2026.

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

How much does it cost to fly round-trip from Washington, D.C. Dulles Intl Airport to Istanbul Airport?

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 June 10, 2026.
Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Istanbul Airport, such as Delta,KLM, andTurkish Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,393 reviews

Comfort

7.8

Entertainment

7.8

Overall

7.9

Food

7.2

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.9
Good
8,393 reviews
Delta
7.9
Good
8,393 reviews

Comfort

7.8

Entertainment

7.8

Overall

7.9

Food

7.2

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
KLM
7.8
Good
1,527 reviews
Delta
7.9
Good
8,393 reviews

Comfort

7.8

Entertainment

7.8

Overall

7.9

Food

7.2

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Turkish Airlines
7.4
Good
4,409 reviews
Delta
7.9
Good
8,393 reviews

Comfort

7.8

Entertainment

7.8

Overall

7.9

Food

7.2

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Lufthansa
6.8
Okay
8,052 reviews
Delta
7.9
Good
8,393 reviews

Comfort

7.8

Entertainment

7.8

Overall

7.9

Food

7.2

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
British Airways
6.7
Okay
8,035 reviews
Delta
7.9
Good
8,393 reviews

Comfort

7.8

Entertainment

7.8

Overall

7.9

Food

7.2

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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?

    Delta can get you from Washington, D.C. Dulles Intl Airport to Istanbul Airport in just under 25h 31m. 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 Scandinavian Airlines, with the lowest prices starting at $555 and $565, respectively. Icelandair is priced at 58% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Istanbul Airport one-way?

    For one-way options, check prices for Turkish Airlines. According to our data, you can fly for as low as $328. Users have also found prices from $441 and $524 on Qatar Airways and Lufthansa, respectively.

  • 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: Turkish Airlines (63%), Pakistan International Airlines (62%), IndiGo( 62%).

  • 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 $2,162, our data indicates the cheapest price to be $572. The most popular route (Washington, D.C. Dulles Intl - Istanbul), is priced around $743.

  • 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 $731). Flying from Washington, D.C. Dulles Intl Airport to Istanbul Airport in June is currently the most expensive (average of $1,285). 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.
Baltimore to Istanbul flights
Dulles Intl to Sabiha Gokcen flights
Baltimore to Sabiha Gokcen flights

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 June 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$393Average$642FlexibilityNo cancel feeOn-time76%
LufthansaCheapest$555Average$865FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$565Average$672FlexibilityNo cancel feeOn-time77%
KLMCheapest$618Average$771FlexibilityNo cancel feeOn-time75%
Turkish AirlinesCheapest$648Average$972FlexibilityNo cancel feeOn-time77%
Etihad AirwaysCheapest$686Average$977FlexibilityNo cancel feeOn-time75%
DeltaCheapest$704Average$999FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$732Average$1,183FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$768Average$898FlexibilityNo cancel feeOn-time70%
Qatar AirwaysCheapest$774Average$862FlexibilityNo cancel feeOn-time68%

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