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$406+ 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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — IST
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
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 March, 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 July 29, 2025.

Round-trip from

$766
(Booking.com)

One-way from

$406
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$1,086

Good round-trip deal

$714 or less

Good one-way deal

$416 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. 9% potential increase in price ($106 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 29, 2025.

This Booking.com deal was found by Cheapflights users on 7/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/89:45 amIAD - IST
2 stops24h 10mAir Canada
Tue 10/148:30 pmIST - IAD
2 stops31h 35mAir Canada
Deal found 7/28$766
This Air France deal was found by Cheapflights users on 7/28. 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 11/86:50 pmIAD - IST
1 stop25h 00mMultiple Airlines
Fri 11/145:55 pmIST - IAD
1 stop30h 10mMultiple Airlines
Deal found 7/28$767
This Lufthansa deal was found by Cheapflights users on 7/28. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/267:20 pmIAD - IST
2 stops20h 25mLufthansa
Thu 11/136:30 amIST - IAD
1 stop17h 20mLufthansa
Deal found 7/28$768
This Turkish Airlines deal was found by Cheapflights users on 7/28. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/179:40 pmIAD - IST
Nonstop10h 10mTurkish Airlines
Sun 9/287:50 amIST - IAD
Nonstop10h 55mTurkish Airlines
Deal found 7/28$772
This Ovago deal was found by Cheapflights users on 7/26. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/205:50 pmIAD - IST
1 stop18h 00mBritish Airways
Fri 10/318:10 amIST - IAD
1 stop19h 45mBritish Airways
Deal found 7/26$773
This KLM deal was found by Cheapflights users on 7/27. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/317:05 pmIAD - IST
1 stop14h 50mKLM
Sun 11/95:55 pmIST - IAD
1 stop30h 10mKLM
Deal found 7/27$776
This Delta deal was found by Cheapflights users on 7/28. 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 9/179:20 pmIAD - IST
1 stop23h 05mDelta
Sun 10/55:05 pmIST - IAD
1 stop29h 30mDelta
Deal found 7/28$777
This United Airlines deal was found by Cheapflights users on 7/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/146:10 pmIAD - IST
1 stop20h 10mUnited Airlines
Wed 9/246:10 amIST - IAD
1 stop16h 40mUnited Airlines
Deal found 7/28$778
This Etihad Airways deal was found by Cheapflights users on 7/28. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1910:05 pmIAD - IST
1 stop32h 00mEtihad Airways
Mon 9/227:30 amIST - IAD
1 stop39h 40mEtihad Airways
Deal found 7/28$784

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 July 29, 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

Mon 1/5

6:50 pm-3:50 am

1 stop25h 00m

Istanbul

Mon 1/19

4:50 am-12:07 am

2 stops27h 17m

$766

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Sat 11/8

6:50 pm-3:50 am

1 stop25h 00m

Istanbul

Fri 11/14

5:55 pm-4:05 pm

1 stop30h 10m

$767

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Sun 10/26

7:20 pm-10:45 pm

2 stops20h 25m

Istanbul

Thu 11/13

6:30 am-3:50 pm

1 stop17h 20m

$768

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Wed 9/17

2:25 pm-7:05 pm

2 stops21h 40m

Istanbul

Tue 9/23

9:20 pm-9:05 pm

2 stops30h 45m

$770

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Wed 9/17

9:40 pm-2:50 pm

Nonstop10h 10m

Istanbul

Sun 9/28

7:50 am-11:45 am

Nonstop10h 55m

$772

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Mon 10/20

5:50 pm-6:50 pm

1 stop18h 00m

Istanbul

Fri 10/31

8:10 am-8:55 pm

1 stop19h 45m

$773

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Fri 10/31

7:05 pm-4:55 pm

1 stop14h 50m

Istanbul

Sun 11/9

5:55 pm-4:05 pm

1 stop30h 10m

$776

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Sun 9/14

6:10 pm-9:20 pm

1 stop20h 10m

Istanbul

Wed 9/24

6:10 am-3:50 pm

1 stop16h 40m

$778

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Fri 9/19

10:05 pm-1:05 pm

1 stop32h 00m

Istanbul

Mon 9/22

7:30 am-4:10 pm

1 stop39h 40m

$784

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Sat 1/17

10:20 pm-3:50 am

2 stops21h 30m

Istanbul

Tue 1/20

4:50 am-4:35 pm

1 stop19h 45m

$789

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 13 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 July 25, 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, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Istanbul Airport (average of $923). Flying from Washington, D.C. Dulles Intl Airport to Istanbul Airport in June is currently the most expensive (average of $1,360). 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 July 29, 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 13% 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 July 27, 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 evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Washington, D.C. Dulles Intl Airport to Istanbul Airport

Explore weekly flight availability from Dulles Intl to Istanbul. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 29, 2025.

The most flights from IAD to IST are scheduled on a Monday (11 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (11 on average).

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 July 29, 2025.
Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Istanbul Airport, such as Delta, KLM, and Etihad Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,975 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

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
7,975 reviews
Delta
8.0
Very good
7,975 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

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!
KLM
7.8
Good
1,383 reviews
Delta
8.0
Very good
7,975 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

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!
Etihad Airways
7.4
Good
1,227 reviews
Delta
8.0
Very good
7,975 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

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!
United Airlines
7.4
Good
8,892 reviews
Delta
8.0
Very good
7,975 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

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
3,925 reviews
Delta
8.0
Very good
7,975 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

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.

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

    Flying on Air Canada is currently your cheapest option to Istanbul Airport, with prices starting at $766. Additional round-trip tickets that might be worth considering are offered by Lufthansa and KLM, with the lowest prices starting at $768 and $769, respectively. Air Canada is priced at 26% 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 (78%), Turkish Airlines (68%), Pakistan International Airlines( 68%).

  • 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 $2,308, our data indicates the cheapest price to be $362. The most popular route (Washington, D.C. Dulles Intl - Istanbul), is priced around $619.

  • 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 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, Hauptwache, or Historisches Museum Frankfurt can do so by traveling 7.4 mi, 7.4 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 $48 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 $51 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, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Istanbul Airport (average of $923). Flying from Washington, D.C. Dulles Intl Airport to Istanbul Airport in June is currently the most expensive (average of $1,360). 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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$583Average$700FlexibilityNo cancel feeOn-time76%
SAUDIACheapest$639Average$770FlexibilityNo cancel feeOn-time86%
Royal JordanianCheapest$669Average$677FlexibilityNo cancel feeOn-time61%
DeltaCheapest$680Average$927FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$700Average$1,052FlexibilityNo cancel feeOn-time70%
Etihad AirwaysCheapest$739Average$827FlexibilityNo cancel feeOn-time75%
KLMCheapest$741Average$852FlexibilityNo cancel feeOn-time75%
EgyptairCheapest$757Average$941FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$771Average$1,057FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$789Average$1,096FlexibilityNo cancel feeOn-time69%

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