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$326+ 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 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — IST
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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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 56 days in advance, depart on a Tuesday or Monday and return on a Tuesday

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 September 11, 2025.

Round-trip from

$684
(Gotogate)

One-way from

$326
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$923

Good round-trip deal

$686 or less

Good one-way deal

$370 or less
From Washington, D.C. Dulles Intl to Istanbul
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One-way flight from Washington, D.C. Dulles Intl to Istanbul
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Highest demand for flights based on searches. 8% potential increase in price ($98 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Istanbul.
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Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Istanbul.
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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 September 11, 2025.

This Gotogate deal was found by Cheapflights users on 9/10. 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.
Sat 10/188:30 pmIAD - IST
1 stop20h 25mIcelandair
Fri 10/2412:25 pmIST - IAD
1 stop13h 55mIcelandair
Deal found 9/10$684
This Gotogate deal was found by Cheapflights users on 9/10. 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.
Wed 10/111:15 pmIAD - IST
1 stop17h 40mIcelandair
Fri 10/1012:25 pmIST - IAD
1 stop16h 45mIcelandair
Deal found 9/10$685
This Gotogate deal was found by Cheapflights users on 9/10. 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.
Sat 9/208:30 pmIAD - IST
1 stop20h 25mIcelandair
Fri 10/1012:25 pmIST - IAD
1 stop16h 45mIcelandair
Deal found 9/10$689
This Mytrip deal was found by Cheapflights users on 9/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/155:50 pmIAD - IST
2 stops27h 00mMultiple Airlines
Tue 10/2110:45 amIST - IAD
2 stops35h 35mMultiple Airlines
Deal found 9/11$692
This FlightHub deal was found by Cheapflights users on 9/10. 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.
Sat 9/2011:15 pmIAD - IST
1 stop17h 40mIcelandair
Fri 10/312:25 pmIST - IAD
1 stop13h 55mIcelandair
Deal found 9/10$693
This Icelandair deal was found by Cheapflights users on 9/10. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/18:40 pmIAD - IST
1 stop20h 15mIcelandair
Mon 11/2412:25 pmIST - IAD
1 stop14h 05mIcelandair
Deal found 9/10$694
This Mytrip deal was found by Cheapflights users on 9/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1410:20 pmIAD - IST
2 stops18h 45mMultiple Airlines
Tue 10/213:35 pmIST - IAD
2 stops30h 45mMultiple Airlines
Deal found 9/10$695
This Mytrip deal was found by Cheapflights users on 9/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/115:30 pmIAD - IST
2 stops19h 35mMultiple Airlines
Sat 11/1510:15 pmIST - IAD
2 stops30h 45mMultiple Airlines
Deal found 9/11$709
This Gotogate deal was found by Cheapflights users on 9/11. 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.
Wed 11/59:45 amIAD - IST
2 stops29h 00mMultiple Airlines
Wed 11/128:50 amIST - IAD
2 stops20h 04mMultiple Airlines
Deal found 9/11$710
This Mytrip deal was found by Cheapflights users on 9/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/286:30 pmIAD - IST
2 stops18h 35mMultiple Airlines
Sat 11/1510:15 pmIST - IAD
2 stops30h 45mMultiple Airlines
Deal found 9/11$712
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/96:00 pmIAD - IST
1 stop15h 45mLufthansa
Tue 12/236:30 amIST - IAD
1 stop17h 20mLufthansa
Deal found 9/10$714
This Mytrip deal was found by Cheapflights users on 9/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/18:30 pmIAD - IST
2 stops24h 20mMultiple Airlines
Wed 10/154:45 amIST - IAD
2 stops24h 25mMultiple Airlines
Deal found 9/10$715

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 September 11, 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 11/4

9:25 pm-3:50 am

1 stop22h 25m

Istanbul

Fri 11/21

4:50 am-4:35 pm

1 stop19h 45m

$733

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Sun 11/2

10:00 pm-10:45 pm

1 stop16h 45m

Istanbul

Tue 11/25

6:30 am-4:21 pm

2 stops17h 51m

$745

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Sun 11/30

6:00 pm-6:05 pm

1 stop16h 05m

Istanbul

Mon 12/15

9:25 pm-8:59 pm

2 stops31h 34m

$745

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Wed 11/12

6:50 pm-3:50 am

1 stop25h 00m

Istanbul

Fri 11/14

4:50 am-4:35 pm

1 stop19h 45m

$746

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Mon 1/12

5:15 pm-5:55 pm

1 stop16h 40m

Istanbul

Tue 1/20

6:30 am-2:35 pm

1 stop16h 05m

$746

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Fri 1/16

6:50 pm-3:50 am

1 stop25h 00m

Istanbul

Tue 1/20

4:50 am-4:35 pm

1 stop19h 45m

$746

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Tue 1/13

6:00 pm-5:45 pm

1 stop15h 45m

Istanbul

Wed 1/21

6:30 am-2:35 pm

1 stop16h 05m

$746

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Sun 2/8

6:50 pm-3:50 am

1 stop25h 00m

Istanbul

Sat 2/21

4:50 am-4:35 pm

1 stop19h 45m

$746

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Sun 1/4

6:00 pm-6:05 pm

1 stop16h 05m

Istanbul

Tue 1/13

6:30 am-8:59 pm

2 stops22h 29m

$746

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Sun 1/11

6:50 pm-3:50 am

1 stop25h 00m

Istanbul

Sat 1/24

4:50 am-4:35 pm

1 stop19h 45m

$746

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 23 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 August 29, 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 $916). Flying from Washington, D.C. Dulles Intl Airport to Istanbul Airport in June is currently the most expensive (average of $1,359). 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 September 11, 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 19% 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 September 7, 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 September 11, 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.
Delta
8.0
Very good
7,960 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
SAUDIA
7.4
Good
634 reviews
Delta
8.0
Very good
7,960 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Turkish Airlines
7.3
Good
3,968 reviews
Delta
8.0
Very good
7,960 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Lufthansa
6.8
Okay
7,409 reviews
Delta
8.0
Very good
7,960 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
British Airways
6.7
Okay
7,361 reviews
Delta
8.0
Very good
7,960 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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?

    KLM and United Airlines can get you from Washington, D.C. Dulles Intl Airport to Istanbul Airport in just under 16h 45m. Your travel time can differ by up to 5h 40m. There are 5207 mi between Washington, D.C. Dulles Intl Airport and Istanbul Airport. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 $583. Additional round-trip tickets that might be worth considering are offered by Delta and Royal Jordanian, with the lowest prices starting at $630 and $669, respectively. Icelandair is priced at 43% 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 (92%), Turkish Airlines (72%), Pakistan International Airlines( 72%).

  • 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 $1,951, our data indicates the cheapest price to be $300. The most popular route (Washington, D.C. Dulles Intl - Istanbul), is priced around $627.

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

    Most of the time, Washington, D.C. Dulles Intl Airport to Istanbul Airport flights that have layovers will stop in Frankfurt am Main. London sees the second most layovers for non-direct flights 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, Hauptwache, and Festhalle 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, Hauptwache, or Festhalle can do so by traveling 7.4 mi, 7.4 mi, and 6.5 mi, respectively from Frankfurt am Main. Travelers in need of a car in Frankfurt am Main can rent one for about $40 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 $41 per day.

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

    Washington, D.C. Dulles Intl Airport to Istanbul Airport flights have a layover in Paris least often.

  • 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 $916). Flying from Washington, D.C. Dulles Intl Airport to Istanbul Airport in June is currently the most expensive (average of $1,359). 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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Alternative routes for Dulles Intl to Istanbul

See prices for flight routes from nearby airports that may be better suited for you.
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Dulles Intl to Sabiha Gokcen flights
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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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$583Average$663FlexibilityNo cancel feeOn-time76%
DeltaCheapest$630Average$953FlexibilityNo cancel feeOn-timeN/A
Royal JordanianCheapest$669Average$677FlexibilityNo cancel feeOn-time61%
Etihad AirwaysCheapest$687Average$781FlexibilityNo cancel feeOn-time75%
SAUDIACheapest$705Average$795FlexibilityNo cancel feeOn-time86%
British AirwaysCheapest$705Average$1,076FlexibilityNo cancel feeOn-time70%
Turkish AirlinesCheapest$724Average$1,074FlexibilityNo cancel feeOn-time77%
KLMCheapest$732Average$824FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$744Average$992FlexibilityNo cancel feeOn-time76%
EgyptairCheapest$757Average$960FlexibilityNo cancel feeOn-timeN/A

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