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$462+ 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 7/20. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — IST
Jun 15 — Jun 221
Mon 6/15
Mon 6/22
1 adult, Economy
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Find cheap flights from Dulles Intl to Istanbul with Cheapflights

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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Istanbul are usually found in February or January, booked 79 days in advance, depart on a Wednesday or Tuesday and return on a Saturday

Cheap 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 May 16, 2026.

This Ovago deal was found by Cheapflights users on 5/14. 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 11/168:05 pm
IAD
-
IST
1 stop32h 15m
Qatar Airways
Sat 11/288:10 pm
IST
-
IAD
1 stop20h 10m
Qatar Airways
Deal found 5/14$869
This Delta deal was found by Cheapflights users on 5/13. 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.
Mon 8/39:45 pm
IAD
-
IST
1 stop22h 45m
Delta
Mon 8/105:20 pm
IST
-
IAD
1 stop29h 15m
Delta
Deal found 5/13$870
This Ovago deal was found by Cheapflights users on 5/14. 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.
Fri 10/211:15 am
IAD
-
IST
1 stop24h 20m
Qatar Airways
Sun 10/118:05 pm
IST
-
IAD
1 stop26h 35m
Qatar Airways
Deal found 5/14$873
This Qatar Airways deal was found by Cheapflights users on 5/13. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/188:05 pm
IAD
-
SAW
1 stop32h 05m
Qatar Airways
Mon 11/301:40 pm
SAW
-
IAD
1 stop34h 15m
Qatar Airways
Deal found 5/13$874
This IEagle deal was found by Cheapflights users on 5/15. 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 IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/19:00 pm
IAD
-
IST
1 stop38h 35m
Qatar Airways
Fri 8/2811:40 am
IST
-
IAD
1 stop28h 05m
Qatar Airways
Deal found 5/15$876
This FlightHub deal was found by Cheapflights users on 5/12. 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.
Fri 7/313:10 pm
IAD
-
IST
1 stop38h 55m
Etihad Airways
Mon 8/312:10 pm
IST
-
IAD
1 stop26h 35m
Etihad Airways
Deal found 5/12$877
This FlightHub deal was found by Cheapflights users on 5/13. 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.
Fri 9/111:20 pm
IAD
-
IST
Nonstop9h 50m
Turkish Airlines
Mon 9/287:40 am
IST
-
IAD
Nonstop10h 55m
Turkish Airlines
Deal found 5/13$878
This Delta deal was found by Cheapflights users on 5/15. 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 7/289:45 pm
IAD
-
IST
1 stop22h 45m
Delta
Thu 8/65:20 pm
IST
-
IAD
2 stops38h 13m
Delta
Deal found 5/15$879
This Delta deal was found by Cheapflights users on 5/13. 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 7/299:45 pm
IAD
-
IST
1 stop22h 45m
Delta
Tue 8/116:00 am
IST
-
IAD
2 stops19h 33m
Delta
Deal found 5/13$880
This Qatar Airways deal was found by Cheapflights users on 5/11. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/208:05 pm
IAD
-
SAW
1 stop32h 05m
Qatar Airways
Tue 11/241:40 pm
SAW
-
IAD
1 stop26h 40m
Qatar Airways
Deal found 5/11$880
This Delta deal was found by Cheapflights users on 5/12. 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 9/39:45 pm
IAD
-
IST
1 stop22h 45m
Delta
Sat 9/124:25 am
IST
-
IAD
1 stop18h 40m
Delta
Deal found 5/12$881
This IEagle deal was found by Cheapflights users on 5/11. 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 IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/279:45 pm
IAD
-
IST
Nonstop10h 05m
Turkish Airlines
Tue 9/17:40 am
IST
-
IAD
Nonstop10h 55m
Turkish Airlines
Deal found 5/11$882

Find 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 May 16, 2026.

Round-trip from

$870
(Delta)

One-way from

$462
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$1,086
From Washington, D.C. Dulles Intl to Istanbul
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Istanbul
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($195 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in May 2026
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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 May 16, 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Thu 7/30

12:29 pm-3:30 am

2 stops32h 01m

Istanbul

Mon 8/10

5:20 pm-3:35 pm

1 stop29h 15m

$925

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Mon 8/3

5:25 pm-3:30 am

2 stops27h 05m

Istanbul

Mon 8/10

6:00 am-11:21 pm

2 stops24h 21m

$955
Quickest round-trip

Washington, D.C.Istanbul

IAD - SAW

IADSAW

Washington, D.C. Dulles Intl

Mon 10/12

6:15 pm-5:05 pm

2 stops15h 50m

Istanbul Sabiha Gokcen

Thu 10/22

8:50 am-3:35 pm

1 stop13h 45m

$1,003

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Mon 7/6

9:45 pm-3:30 am

1 stop22h 45m

Istanbul

Tue 7/21

6:00 am-5:51 pm

2 stops18h 51m

$1,044

Washington, D.C.Istanbul

IAD - SAW

IADSAW

Washington, D.C. Dulles Intl

Thu 10/1

5:40 pm-9:00 pm

1 stop20h 20m

Istanbul Sabiha Gokcen

Sat 10/10

8:50 am-3:35 pm

1 stop13h 45m

$1,050

Washington, D.C.Istanbul

IAD - SAW

IADSAW

Washington, D.C. Dulles Intl

Tue 5/26

5:40 pm-9:00 pm

1 stop20h 20m

Istanbul Sabiha Gokcen

Mon 6/1

2:40 pm-3:35 pm

1 stop31h 55m

$1,050

Washington, D.C.Istanbul

IAD - SAW

IADSAW

Washington, D.C. Dulles Intl

Sun 9/27

5:40 pm-10:55 pm

1 stop22h 15m

Istanbul Sabiha Gokcen

Sat 10/10

8:50 am-3:35 pm

1 stop13h 45m

$1,050

Washington, D.C.Istanbul

IAD - SAW

IADSAW

Washington, D.C. Dulles Intl

Fri 8/21

6:15 pm-5:05 pm

2 stops15h 50m

Istanbul Sabiha Gokcen

Thu 9/24

8:50 am-3:35 pm

1 stop13h 45m

$1,053

Washington, D.C.Istanbul

IAD - SAW

IADSAW

Washington, D.C. Dulles Intl

Fri 8/21

6:15 pm-5:05 pm

2 stops15h 50m

Istanbul Sabiha Gokcen

Wed 9/23

8:50 am-3:35 pm

1 stop13h 45m

$1,053

Washington, D.C.Istanbul

IAD - IST

IADIST

Washington, D.C. Dulles Intl

Fri 6/12

9:45 pm-3:30 am

1 stop22h 45m

Istanbul

Fri 6/19

4:25 am-4:05 pm

1 stop18h 40m

$1,055

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/12

Showing 1-10 of 37 resultsSorted by cheapest first
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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?

The best time to book flights from Washington, D.C. Dulles Intl Airport to Istanbul is 78 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, December is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Istanbul (average of $394). Flying from Washington, D.C. Dulles Intl Airport to Istanbul in March is currently the most expensive (average of $1,344). 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 May 16, 2026.

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 morning, which can drop the price by up to 8% 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 May 9, 2026.

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Istanbul flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Wednesday afternoons 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 May 16, 2026.

The most flights from IAD to TR5 are scheduled on a Monday (8 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (8 on average).

How much does it cost to fly round-trip from Washington, D.C. Dulles Intl Airport to Istanbul?

How often are flights from Washington, D.C. to Istanbul delayed?

About 18% of weekly flights between Washington, D.C. and Istanbul have experienced delays in the past year, with the average delay time being 154 minutes.

What is the most punctual flight time for Washington, D.C. to Istanbul flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Wednesday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Washington, D.C. to Istanbul flights?

Over the last year, Turkish Airlines have had the lowest number of delays on this route, with just 18% of flights being delayed.

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 May 16, 2026.
Peruse reviews from past customers who have flown with Delta,KLM, andTurkish 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
8,455 reviews

Entertainment

7.8

Crew

8.5

Overall

7.9

Food

7.2

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.9
Good
8,455 reviews
Delta
7.9
Good
8,455 reviews

Entertainment

7.8

Crew

8.5

Overall

7.9

Food

7.2

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
KLM
7.8
Good
1,517 reviews
Delta
7.9
Good
8,455 reviews

Entertainment

7.8

Crew

8.5

Overall

7.9

Food

7.2

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Turkish Airlines
7.4
Good
4,368 reviews
Delta
7.9
Good
8,455 reviews

Entertainment

7.8

Crew

8.5

Overall

7.9

Food

7.2

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Lufthansa
6.8
Okay
8,004 reviews
Delta
7.9
Good
8,455 reviews

Entertainment

7.8

Crew

8.5

Overall

7.9

Food

7.2

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
British Airways
6.7
Okay
7,982 reviews
Delta
7.9
Good
8,455 reviews

Entertainment

7.8

Crew

8.5

Overall

7.9

Food

7.2

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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 15h 50m. Fly via Delta or KLM to get the fastest option. The distance from Washington, D.C. Dulles Intl Airport to Istanbul is about 5247 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), Egyptair ($473), and Lufthansa ($559) offers the cheapest pricing from Washington, D.C. Dulles Intl Airport to Istanbul. Icelandair is priced at 58% 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 one-way?

    For one-way options, check prices for Turkish Airlines. According to our data, you can fly for as low as $328. Users have also found prices from $471 and $519 on Qatar Airways and Lufthansa, respectively.

  • 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: MIAT Mongolian (71%), Turkish Airlines (67%), Pakistan International Airlines (66%).

  • 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 $496. While the most popular route (Washington, D.C. Dulles Intl - Istanbul) can be booked for $752 on average, our data indicates $2,186 when flying from Washington, D.C. Dulles Intl Airport to Istanbul.

  • 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, December is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Istanbul (average of $394). Flying from Washington, D.C. Dulles Intl Airport to Istanbul in March is currently the most expensive (average of $1,344). 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

Browse thousands of different options on Cheapflights for your next trip

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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 May 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$393Average$642FlexibilityNo cancel feeOn-time76%
EgyptairCheapest$473Average$894FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$559Average$887FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$565Average$672FlexibilityNo cancel feeOn-time77%
KLMCheapest$618Average$772FlexibilityNo cancel feeOn-time75%
Turkish AirlinesCheapest$650Average$992FlexibilityNo cancel feeOn-time77%
DeltaCheapest$663Average$884FlexibilityNo cancel feeOn-timeN/A
Etihad AirwaysCheapest$696Average$1,079FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$732Average$1,125FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$770Average$880FlexibilityNo cancel feeOn-time70%

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