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$412+ 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 7/13. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — IST
Jul 12 — Jul 191
Sat 7/12
Sat 7/19
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Istanbul are usually found in March or September, 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 7, 2025.

Round-trip from

$794
(Booking.com)

One-way from

$412
(Kiwi.com)

Popular in

June

Cheapest in

March

Average price

$1,138

Good round-trip deal

$812 or less

Good one-way deal

$421 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. 10% potential increase in price ($116 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 7, 2025.

This Booking.com deal was found by Cheapflights users on 7/6. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/65:55 pmIAD - IST
1 stop23h 30mBritish Airways
Wed 8/135:35 pmIST - IAD
2 stops37h 24mBritish Airways
Deal found 7/6$794
This United Airlines deal was found by Cheapflights users on 7/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3011:00 pmIAD - IST
1 stop16h 45mUnited Airlines
Tue 11/116:30 amIST - IAD
1 stop17h 20mUnited Airlines
Deal found 7/5$795
This Air Canada deal was found by Cheapflights users on 7/5. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/19:55 amIAD - IST
2 stops25h 30mAir Canada
Mon 11/109:25 pmIST - IAD
2 stops31h 34mAir Canada
Deal found 7/5$796
This Ovago deal was found by Cheapflights users on 7/7. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/156:10 pmIAD - IST
1 stop11h 55mLufthansa
Wed 10/15:55 pmIST - IAD
1 stop26h 35mLufthansa
Deal found 7/7$797
This Delta deal was found by Cheapflights users on 7/6. 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.
Thu 8/286:30 pmIAD - IST
1 stop25h 55mDelta
Thu 10/234:20 amIST - IAD
2 stops19h 16mDelta
Deal found 7/6$799
This KLM deal was found by Cheapflights users on 7/6. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/119:25 pmIAD - IST
1 stop22h 45mKLM
Sun 11/165:55 pmIST - IAD
1 stop30h 10mKLM
Deal found 7/6$800
This Mytrip deal was found by Cheapflights users on 7/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2010:05 pmIAD - IST
2 stops18h 10mMultiple Airlines
Wed 8/278:15 amIST - IAD
2 stops18h 44mMultiple Airlines
Deal found 7/6$803
This Etihad Airways deal was found by Cheapflights users on 7/6. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1210:05 pmIAD - IST
1 stop32h 00mEtihad Airways
Sun 9/212:10 pmIST - IAD
1 stop33h 00mEtihad Airways
Deal found 7/6$810
This oojo deal was found by Cheapflights users on 7/7. 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.
Mon 10/201:30 pmIAD - IST
Nonstop10h 05mTurkish Airlines
Fri 10/313:55 pmIST - IAD
Nonstop11h 20mTurkish Airlines
Deal found 7/7$834

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 7, 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

Wed 8/6

5:55 pm-12:25 am

1 stop23h 30m

Istanbul

Wed 8/13

5:35 pm-11:59 pm

2 stops37h 24m

$794

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Thu 9/11

9:35 am-5:00 pm

2 stops24h 25m

Istanbul

Thu 12/25

6:30 am-4:13 pm

2 stops17h 43m

$795

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Mon 9/15

6:10 pm-1:05 pm

1 stop11h 55m

Istanbul

Wed 10/1

5:55 pm-1:30 pm

1 stop26h 35m

$797

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Thu 8/28

6:30 pm-3:25 am

1 stop25h 55m

Istanbul

Thu 10/23

4:20 am-4:36 pm

2 stops19h 16m

$799

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Wed 8/27

6:10 pm-5:00 pm

1 stop15h 50m

Istanbul

Sun 9/7

9:20 pm-9:05 pm

2 stops30h 45m

$800

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Fri 9/12

10:05 pm-1:05 pm

1 stop32h 00m

Istanbul

Sun 9/21

2:10 pm-4:10 pm

1 stop33h 00m

$810

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Mon 7/21

9:20 pm-3:25 am

1 stop23h 05m

Istanbul

Wed 8/27

4:20 am-4:20 pm

1 stop19h 00m

$816

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Tue 8/26

1:30 pm-6:35 am

Nonstop10h 05m

Istanbul

Tue 9/16

7:50 am-11:45 am

Nonstop10h 55m

$834

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Thu 8/7

1:29 pm-1:45 am

3 stops29h 16m

$414

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Mon 8/11

1:30 pm-6:35 am

Nonstop10h 05m

$420

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/5

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 June 27, 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 $1,362). 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 7, 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 morning, which can drop the price by up to 12% 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 6, 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 7, 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).

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 July 7, 2025.
Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Istanbul Airport, such as Delta, KLM, and Qatar Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,962 reviews

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

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
7,962 reviews
Delta
8.0
Very good
7,962 reviews

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

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!
KLM
7.8
Good
1,368 reviews
Delta
8.0
Very good
7,962 reviews

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

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!
Qatar Airways
7.4
Good
3,590 reviews
Delta
8.0
Very good
7,962 reviews

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

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
619 reviews
Delta
8.0
Very good
7,962 reviews

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

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!
Etihad Airways
7.4
Good
1,220 reviews
Delta
8.0
Very good
7,962 reviews

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

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.

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

    Flying on British Airways is currently your cheapest option to Istanbul Airport, with prices starting at $794. Additional round-trip tickets that might be worth considering are offered by United Airlines and Air Canada, with the lowest prices starting at $795 and $796, respectively. British Airways is priced at 24% 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 $420. Users have also found prices from $438 and $473 on SAUDIA and Etihad Airways, 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: Thai Airways (70%), Turkish Airlines (63%), Pakistan International Airlines( 63%).

  • 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 $1,907, our data indicates the cheapest price to be $347. The most popular route (Washington, D.C. Dulles Intl - Istanbul), is priced around $719.

  • 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 $44 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 $43 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 $1,362). 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 7, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$583Average$700FlexibilityNo cancel feeOn-time76%
SAUDIACheapest$639Average$770FlexibilityNo cancel feeOn-time86%
DeltaCheapest$669Average$921FlexibilityNo cancel feeOn-timeN/A
Royal JordanianCheapest$669Average$677FlexibilityNo cancel feeOn-time61%
British AirwaysCheapest$702Average$1,066FlexibilityNo cancel feeOn-time70%
Etihad AirwaysCheapest$739Average$829FlexibilityNo cancel feeOn-time75%
KLMCheapest$741Average$783FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$748Average$1,079FlexibilityNo cancel feeOn-time69%
EgyptairCheapest$757Average$941FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$775Average$1,089FlexibilityNo cancel feeOn-time76%

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