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$407+ Cheap flights from Dulles Intl (IAD) to Istanbul

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 8/7. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — IST
Aug 2 — Aug 91
Sat 8/2
Sat 8/9
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 (TR5). 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 28, 2025.

Round-trip from

$766
(Booking.com)

One-way from

$407
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$1,086
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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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 28, 2025.

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 KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/199:20 pmIAD - IST
1 stop23h 05mKLM
Tue 8/266:10 amIST - IAD
1 stop16h 25mKLM
Deal found 7/28$769
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
Sat 9/273:40 pmIST - IAD
Nonstop11h 05mTurkish Airlines
Deal found 7/28$772
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/264:30 pmIAD - SAW
2 stops21h 25mMultiple Airlines
Tue 9/910:35 amSAW - IAD
2 stops35h 45mMultiple Airlines
Deal found 7/26$773
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1510:40 pmIAD - SAW
1 stop33h 40mBritish Airways
Wed 10/14:15 pmSAW - IAD
1 stop30h 40mBritish Airways
Deal found 7/27$774
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.
Tue 9/169:20 pmIAD - IST
1 stop23h 05mDelta
Mon 9/294:20 amIST - IAD
1 stop19h 00mDelta
Deal found 7/28$776
This Lufthansa 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/153:25 pmIAD - IST
1 stop22h 55mLufthansa
Tue 9/232:00 pmIST - IAD
1 stop13h 00mLufthansa
Deal found 7/27$778
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.
Mon 9/155:25 pmIAD - SAW
1 stop20h 40mKLM
Tue 9/308:45 amSAW - IAD
1 stop13h 50mKLM
Deal found 7/28$779
This British 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1710:40 pmIAD - IST
1 stop18h 45mBritish Airways
Tue 9/235:00 pmIST - IAD
1 stop31h 30mBritish Airways
Deal found 7/28$780
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/295:37 pmIAD - IST
2 stops16h 33mAir Canada
Thu 10/168:20 amIST - IAD
2 stops19h 45mAir Canada
Deal found 7/27$782
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.
Sun 9/2110:05 pmIAD - IST
1 stop25h 10mEtihad Airways
Tue 9/232:10 pmIST - IAD
1 stop33h 00mEtihad Airways
Deal found 7/28$784
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.
Wed 9/1710:15 pmIAD - IST
1 stop16h 05mUnited Airlines
Tue 10/76:10 amIST - IAD
2 stops18h 27mUnited Airlines
Deal found 7/28$788

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 28, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Istanbul 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

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

Tue 8/19

9:20 pm-3:25 am

1 stop23h 05m

Istanbul

Tue 8/26

6:10 am-3:35 pm

1 stop16h 25m

$769

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Wed 9/17

1:30 pm-6:35 am

Nonstop10h 05m

Istanbul

Sat 10/4

3:40 pm-7:45 pm

Nonstop11h 05m

$772

Washington, D.C.Istanbul

IAD - SAW

IADSAW

Washington, D.C. Dulles Intl

Tue 8/26

4:30 pm-8:55 pm

2 stops21h 25m

Istanbul Sabiha Gokcen

Tue 9/9

10:35 am-3:20 pm

2 stops35h 45m

$773

Washington, D.C.Istanbul

IAD - SAW

IADSAW

Washington, D.C. Dulles Intl

Mon 9/15

10:40 pm-3:20 pm

1 stop33h 40m

Istanbul Sabiha Gokcen

Mon 9/29

3:00 pm-4:00 pm

1 stop32h 00m

$774

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Tue 9/16

9:20 pm-3:25 am

1 stop23h 05m

Istanbul

Mon 9/29

4:20 am-4:20 pm

1 stop19h 00m

$776

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Mon 9/15

5:25 pm-9:20 pm

1 stop20h 55m

Istanbul

Thu 10/2

6:10 am-1:30 pm

1 stop14h 20m

$778

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Mon 9/15

3:25 pm-1:05 pm

1 stop14h 40m

Istanbul

Mon 9/29

5:55 pm-1:30 pm

1 stop26h 35m

$779

Washington, D.C.Istanbul

IAD - SAW

IADSAW

Washington, D.C. Dulles Intl

Mon 9/15

5:25 pm-9:05 pm

1 stop20h 40m

Istanbul Sabiha Gokcen

Tue 9/30

8:45 am-3:35 pm

1 stop13h 50m

$779

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Wed 9/17

10:40 pm-12:25 am

1 stop18h 45m

Istanbul

Wed 10/1

5:35 pm-3:55 pm

1 stop29h 20m

$780

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/26

Showing 1-10 of 17 results
1
2

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

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Istanbul?

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.

The best time to book flights from Washington, D.C. Dulles Intl Airport to Istanbul is 56 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Istanbul?

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Istanbul (average of $923). Flying from Washington, D.C. Dulles Intl Airport to Istanbul 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 28, 2025.

When flying from Washington, D.C. Dulles Intl Airport to Istanbul, 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?

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 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

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 28, 2025.

The most flights from IAD to TR5 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 28, 2025.
Peruse reviews from past customers who have flown with Delta, KLM, and Etihad Airways from Washington, D.C. Dulles Intl Airport to Istanbul to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,971 reviews

Crew

8.5

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Overall

8.0

Food

7.3

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
7,971 reviews
Delta
8.0
Very good
7,971 reviews

Crew

8.5

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Overall

8.0

Food

7.3

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
1,381 reviews
Delta
8.0
Very good
7,971 reviews

Crew

8.5

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Overall

8.0

Food

7.3

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
1,225 reviews
Delta
8.0
Very good
7,971 reviews

Crew

8.5

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Overall

8.0

Food

7.3

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
8,893 reviews
Delta
8.0
Very good
7,971 reviews

Crew

8.5

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Overall

8.0

Food

7.3

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
3,921 reviews
Delta
8.0
Very good
7,971 reviews

Crew

8.5

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Overall

8.0

Food

7.3

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 round-trip?

    According to our current data, Air Canada ($766), Lufthansa ($768), and KLM ($769) offers the cheapest pricing from Washington, D.C. Dulles Intl Airport to Istanbul. 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?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Washington, D.C. Dulles Intl Airport to Istanbul 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?

    Looking at all options, your cheapest flight can be booked for $362. While the most popular route (Washington, D.C. Dulles Intl - Istanbul) can be booked for $619 on average our data indicates $2,308 when flying from Washington, D.C. Dulles Intl Airport to Istanbul.

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

    Of the flights from Washington, D.C. Dulles Intl Airport to Istanbul that have layovers, most of them stop in Frankfurt am Main. Frankfurt am Main is followed by London in terms of the most popular layover location on flights from Washington, D.C. Dulles Intl Airport to Istanbul.

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

    If you're on a layover in Frankfurt am Main and looking for things to do, consider visiting Römerberg, Hauptwache, or Historisches Museum Frankfurt. 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. Those landing in Frankfurt am Main looking to spend some time exploring during their layover can rent a car 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. Those on a layover in London interested in visiting Hyde Park, Buckingham Palace, or Piccadilly Circus can do so by traveling 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 flights?

    Flights departing from Washington, D.C. Dulles Intl Airport and landing in Istanbul layover in Paris least frequently.

  • 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?

    Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Istanbul (average of $923). Flying from Washington, D.C. Dulles Intl Airport to Istanbul 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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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 28, 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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