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$436+ 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 1/7. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — IST
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
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 88 days in advance, depart on a Tuesday or Wednesday 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 October 28, 2025.

Round-trip from

$624
(KLM)

One-way from

$436
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$927
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 ($108 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in October 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 October 28, 2025.

This KLM deal was found by Cheapflights users on 10/27. 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.
Wed 12/36:05 pmIAD - IST
1 stop14h 50mKLM
Tue 12/164:50 amIST - IAD
2 stops19h 15mKLM
Deal found 10/27$624
This KLM deal was found by Cheapflights users on 10/28. 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.
Wed 12/36:05 pmIAD - IST
1 stop14h 50mKLM
Wed 12/104:50 amIST - IAD
2 stops19h 15mKLM
Deal found 10/28$625
This FlightHub deal was found by Cheapflights users on 10/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/181:30 pmIAD - IST
Nonstop10h 00mTurkish Airlines
Thu 11/274:05 pmIST - IAD
Nonstop11h 15mTurkish Airlines
Deal found 10/28$628
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2610:00 pmIAD - IST
1 stop16h 45mLufthansa
Wed 5/62:00 pmIST - IAD
1 stop12h 55mLufthansa
Deal found 10/27$629
This KLM deal was found by Cheapflights users on 10/28. 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.
Fri 11/286:50 pmIAD - SAW
2 stops18h 30mKLM
Fri 12/129:00 amSAW - IAD
2 stops18h 19mKLM
Deal found 10/28$636
This Mytrip deal was found by Cheapflights users on 10/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/297:40 pmIAD - IST
2 stops16h 30mMultiple Airlines
Thu 12/410:40 pmIST - IAD
2 stops27h 50mMultiple Airlines
Deal found 10/27$642
This Air France deal was found by Cheapflights users on 10/27. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/812:30 pmIAD - IST
2 stops20h 25mMultiple Airlines
Wed 12/244:50 amIST - IAD
2 stops19h 15mMultiple Airlines
Deal found 10/27$643
This FlightHub deal was found by Cheapflights users on 10/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:40 pmIAD - IST
1 stop20h 15mIcelandair
Mon 1/1212:25 pmIST - IAD
1 stop14h 05mIcelandair
Deal found 10/26$644
This KAYAK deal was found by Cheapflights users on 10/25. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/295:45 pmIAD - IST
2 stops21h 00mLufthansa
Sat 12/67:00 pmIST - IAD
2 stops28h 35mLufthansa
Deal found 10/25$646
This KAYAK deal was found by Cheapflights users on 10/25. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/306:20 pmIAD - IST
2 stops20h 25mLufthansa
Sat 12/67:00 pmIST - IAD
2 stops28h 35mLufthansa
Deal found 10/25$648
This Gotogate deal was found by Cheapflights users on 10/26. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/71:30 pmIAD - IST
Nonstop10h 00mTurkish Airlines
Thu 11/204:05 pmIST - IAD
Nonstop11h 15mTurkish Airlines
Deal found 10/26$649
This Air France deal was found by Cheapflights users on 10/27. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/99:25 pmIAD - IST
1 stop22h 25mAir France
Mon 12/154:50 amIST - IAD
1 stop19h 45mAir France
Deal found 10/27$650

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 October 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

Fri 2/6

10:00 pm-6:05 pm

1 stop12h 05m

Istanbul

Thu 2/12

6:30 am-2:35 pm

1 stop16h 05m

$661

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Fri 2/6

6:00 pm-6:05 pm

1 stop16h 05m

Istanbul

Mon 2/9

6:30 am-3:50 pm

1 stop17h 20m

$662

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Mon 2/23

4:00 pm-3:50 am

2 stops27h 50m

Istanbul

Mon 3/2

5:55 pm-4:05 pm

1 stop30h 10m

$663

Washington, D.C.Istanbul

IAD - SAW

IADSAW

Washington, D.C. Dulles Intl

Sun 2/22

6:05 pm-5:25 pm

1 stop15h 20m

Istanbul Sabiha Gokcen

Sat 3/7

9:00 am-7:12 pm

2 stops18h 12m

$670

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Sun 4/19

8:20 pm-3:40 am

1 stop24h 20m

Istanbul

Tue 4/28

4:30 am-7:16 pm

3 stops21h 46m

$701

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Sat 4/18

8:20 pm-3:40 am

1 stop24h 20m

Istanbul

Tue 4/28

4:30 am-7:16 pm

3 stops21h 46m

$701

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Tue 2/3

6:20 pm-5:45 pm

2 stops15h 25m

Istanbul

Tue 2/10

6:30 am-2:00 pm

2 stops15h 30m

$704

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Mon 4/20

8:20 pm-3:40 am

1 stop24h 20m

Istanbul

Thu 4/30

4:30 am-7:16 pm

3 stops21h 46m

$711

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Sun 11/23

10:55 pm-10:45 pm

2 stops15h 50m

Istanbul

Sun 12/7

6:30 am-8:05 pm

2 stops21h 35m

$712

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Mon 11/24

10:55 pm-10:45 pm

2 stops15h 50m

Istanbul

Sun 12/7

6:30 am-8:05 pm

2 stops21h 35m

$712

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 48 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

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 October 24, 2025.

The best time to book flights from Washington, D.C. Dulles Intl Airport to Istanbul is 88 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, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Istanbul (average of $451). Flying from Washington, D.C. Dulles Intl Airport to Istanbul in June is currently the most expensive (average of $781). 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 October 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 at noon, which can drop the price by up to 30% versus a flight in the evening.

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 October 19, 2025.

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Istanbul flight should consider departing on Monday at noon 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 October 28, 2025.
Peruse reviews from past customers who have flown with Delta, SAUDIA, and Turkish Airlines 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
7.9
Good
7,994 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Overall

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,994 reviews
Delta
7.9
Good
7,994 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Overall

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
SAUDIA
7.4
Good
635 reviews
Delta
7.9
Good
7,994 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Overall

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Turkish Airlines
7.3
Good
4,031 reviews
Delta
7.9
Good
7,994 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Overall

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Lufthansa
6.8
Okay
7,535 reviews
Delta
7.9
Good
7,994 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Overall

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
British Airways
6.7
Okay
7,483 reviews
Delta
7.9
Good
7,994 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Overall

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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?

    There are many flights that can get you from Washington, D.C. Dulles Intl Airport to Istanbul in 12h 05m. Fly via United Airlines, Delta, or KLM to get the fastest option. The distance from Washington, D.C. Dulles Intl Airport to Istanbul is about 5207 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    According to our current data, Icelandair ($393), Lufthansa ($561), and KLM ($618) offers the cheapest pricing from Washington, D.C. Dulles Intl Airport to Istanbul. Icelandair is priced at 61% 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 (97%), Turkish Airlines (77%), Pakistan International Airlines (77%).

  • 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 $332. While the most popular route (Washington, D.C. Dulles Intl - Istanbul) can be booked for $518 on average, our data indicates $1,985 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, Festhalle, or Historisches Museum Frankfurt. Those on a layover in Frankfurt am Main interested in visiting Römerberg, Festhalle, or Historisches Museum Frankfurt can do so by traveling 7.4 mi, 6.5 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 $43 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 $28 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, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Istanbul (average of $451). Flying from Washington, D.C. Dulles Intl Airport to Istanbul in June is currently the most expensive (average of $781). 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

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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 October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$393Average$657FlexibilityNo cancel feeOn-time76%
KLMCheapest$618Average$767FlexibilityNo cancel feeOn-time75%
Royal JordanianCheapest$669Average$677FlexibilityNo cancel feeOn-time61%
Etihad AirwaysCheapest$687Average$786FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$702Average$964FlexibilityNo cancel feeOn-time76%
DeltaCheapest$703Average$945FlexibilityNo cancel feeOn-timeN/A
SAUDIACheapest$713Average$795FlexibilityNo cancel feeOn-time86%
British AirwaysCheapest$718Average$1,112FlexibilityNo cancel feeOn-time70%
Turkish AirlinesCheapest$727Average$1,038FlexibilityNo cancel feeOn-time77%
Qatar AirwaysCheapest$794Average$959FlexibilityNo cancel feeOn-time68%

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