Q: How much does it cost for a return flight from Istanbul Airport to Washington, D.C. Dulles Intl Airport?

Airfare is typical for this route at the moment. Istanbul Airport to Washington, D.C. Dulles Intl Airport flights typically cost between £515 and £636 in January. The cheapest return price found within the last 5 days was £515 on British Airways (20 Jan–24 Jan).

Question 1

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

Accepted Answer

Over the past year, Turkish Airlines have had the lowest number of delays on this route, with just 27% of flights being delayed.

Question 2

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

Accepted Answer

About 27% of weekly flights between Istanbul and Washington, D.C. have experienced delays in the past year, with the average delay time being 130 minutes.

Question 3

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

Accepted Answer

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

Question 4

How much does it cost for a return flight from Istanbul Airport to Washington, D.C. Dulles Intl Airport?

Accepted Answer

Airfare is typical for this route at the moment.Istanbul Airport to Washington, D.C. Dulles Intl Airport flights typically cost between £515 and £636 in January.
The cheapest return price found within the last 5 days was £515 on British Airways (20 Jan–24 Jan).

Question 5

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

Accepted Answer

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

Question 6

How long is the flight from Istanbul Airport to Washington, D.C. Dulles Intl Airport?

Accepted Answer

Airlines like British Airways and KLM fly from Istanbul Airport to Washington, D.C. Dulles Intl Airport in about 16h 35m. The time it takes to get you to your destination can typically vary by up to 17h 17m. Airlines will cover a distance of 5207 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

Question 7

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

Accepted Answer

The price you pay for your flight from Istanbul Airport to Washington, D.C. Dulles Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 55 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Question 8

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

Accepted Answer

Currently, February is the cheapest month in which you can book a flight from Istanbul Airport to Washington, D.C. Dulles Intl Airport (average of £464). Flying from Istanbul Airport to Washington, D.C. Dulles Intl Airport in August is currently the most expensive (average of £708). 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.

Question 9

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

Accepted Answer

The most flights from IST to IAD are scheduled on a Monday (9 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (5 on average).

Question 10

E

Accepted Answer

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 66.0 - 102.0 inches per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 66.0 mm.

Question 11

E

Accepted Answer

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

Question 12

What are the cheapest flights from Istanbul Airport to Washington, D.C. Dulles Intl Airport?

Accepted Answer

Looking at all options, your cheapest flight can be booked for £651. While the most popular route (Istanbul - Washington, D.C. Dulles Intl) can be booked for £767 on average, our data indicates £718 when flying from Istanbul Airport to Washington, D.C. Dulles Intl Airport.

Question 13

What are the most reliable airlines from Istanbul Airport to Washington, D.C. Dulles Intl Airport?

Accepted Answer

Before booking your flight to Washington, D.C. Dulles Intl Airport from Istanbul Airport, check out the most reliable airlines to get you to your destination on time: Pakistan International Airlines (48%), IndiGo (48%), Thai Airways( 48%).

Question 14

What is the cheapest time of day to fly from IST to IAD?

Accepted Answer

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Istanbul Airport to Washington, D.C. Dulles Intl Airport as you normally would.

Question 15

Can I find deals for flights from Istanbul to Dulles Intl that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Istanbul to Dulles Intl flights, Cheapflights offers holiday packages that include both flights and hotel.

Question 16

How can I find direct flights from Istanbul to Dulles Intl?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Istanbul to Dulles Intl.

Question 17

Can I find deals for business class flights from Istanbul to Dulles Intl?

Accepted Answer

Yes. Cheapflights offers flight deals from Istanbul to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Question 18

How does Cheapflights help users find flights from Istanbul to Dulles Intl?

Accepted Answer

When you search for this flight from Istanbul to Dulles Intl, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Question 19

Why should you use Cheapflights to find cheap flight tickets from Istanbul to Dulles Intl?

Accepted Answer

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Istanbul to Dulles Intl for you. Better yet — we are completely free to use.

Question 20

Can Cheapflights find flights from Istanbul to Dulles Intl with no change fees?

Accepted Answer

Yes, we can. To see specific flights from Istanbul to Dulles Intl with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Question 21

Can Cheapflights notify me if prices for flights from Istanbul to Dulles Intl become cheaper?

Accepted Answer

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Dulles Intl from Istanbul today and book when prices fit your budget.

Round-trip from	£515
One-way from	£430
Popular in	August
Cheapest in	February
Average price	£571
Good one-way deal	£652 or less

Cheap flights from Istanbul Airport to Washington, D.C. Dulles Intl Airport from £430

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Istanbul to Dulles Intl

Cheapest flights from Istanbul to Dulles IntlExplore the most affordable flight options available from Istanbul to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 September 2026.

Explore the most affordable flight options available from Istanbul to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 September 2026.

Best flights from Istanbul to Dulles IntlDiscover carefully curated flight deals from Istanbul to Dulles Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 September 2026.

Discover carefully curated flight deals from Istanbul to Dulles Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 September 2026.

Direct flights from Istanbul to Dulles IntlExplore direct flight options from Istanbul to Dulles Intl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 10 September 2026.

Explore direct flight options from Istanbul to Dulles Intl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 10 September 2026.

Last-minute flights from Istanbul to Dulles IntlDiscover last-minute flight deals from Istanbul to Dulles Intl. Data last updated 10 September 2026 and is based on user searches.

Discover last-minute flight deals from Istanbul to Dulles Intl. Data last updated 10 September 2026 and is based on user searches.

One-way flights from Istanbul to Dulles IntlSearch for one-way flight options from Istanbul to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated 10 September 2026.

Search for one-way flight options from Istanbul to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated 10 September 2026.

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Cheapflights Insights

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

The price you pay for your flight from Istanbul Airport to Washington, D.C. Dulles Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 55 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

What is the cheapest time of day to fly from IST to IAD?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Istanbul Airport to Washington, D.C. Dulles Intl Airport as you normally would.

How much does it cost for a return flight from Istanbul Airport to Washington, D.C. Dulles Intl Airport?

Airfare is typical for this route at the moment.

Istanbul Airport to Washington, D.C. Dulles Intl Airport flights typically cost between £515 and £636 in January.The cheapest return price found within the last 5 days was £515 on British Airways (20 Jan–24 Jan).

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

The most flights from IST to IAD are scheduled on a Monday (9 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (5 on average).

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

About 27% of weekly flights between Istanbul and Washington, D.C. have experienced delays in the past year, with the average delay time being 130 minutes.

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

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon 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 Monday has historically faced a higher average of delays compared to other days of the week.

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

Over the past year, Turkish Airlines have had the lowest number of delays on this route, with just 27% of flights being delayed.

Related info for your journey

How long is the flight from Istanbul Airport to Washington, D.C. Dulles Intl Airport?

What are the most reliable airlines from Istanbul Airport to Washington, D.C. Dulles Intl Airport?

What are the cheapest flights from Istanbul Airport to Washington, D.C. Dulles Intl Airport?

Can I find deals for flights from Istanbul to Dulles Intl that include hotel bookings?

How can I find direct flights from Istanbul to Dulles Intl?

Can I find deals for business class flights from Istanbul to Dulles Intl?

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

Travelling to a place near Washington, D.C. Dulles Intl Airport?

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Other flights to Dulles Intl

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Istanbul and Dulles Intl flights

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How does Cheapflights help users find flights from Istanbul to Dulles Intl?

Why should you use Cheapflights to find cheap flight tickets from Istanbul to Dulles Intl?

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Can Cheapflights notify me if prices for flights from Istanbul to Dulles Intl become cheaper?

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Cheapest flights from Istanbul to Dulles Intl
Explore the most affordable flight options available from Istanbul to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 September 2026.

Best flights from Istanbul to Dulles Intl
Discover carefully curated flight deals from Istanbul to Dulles Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 September 2026.

Direct flights from Istanbul to Dulles Intl
Explore direct flight options from Istanbul to Dulles Intl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 10 September 2026.

Last-minute flights from Istanbul to Dulles Intl
Discover last-minute flight deals from Istanbul to Dulles Intl. Data last updated 10 September 2026 and is based on user searches.

One-way flights from Istanbul to Dulles Intl
Search for one-way flight options from Istanbul to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated 10 September 2026.

Istanbul Airport to Washington, D.C. Dulles Intl Airport flights typically cost between £515 and £636 in January.
The cheapest return price found within the last 5 days was £515 on British Airways (20 Jan–24 Jan).