Istanbul to Dulles (IST–IAD) — Airlines, Schedules & Connections
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No nonstop flights on this route. connecting options below.
IST–IAD is served by 2 airlines with nonstop service. Turkish Airlines and IndiGo lead the route. The flight covers 5,212 miles in approximately 11h 14m. Beyond nonstop, 54 hubs offer 1-stop connections.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| TK Turkish Airlines | 15 | 77W, 789 | 11h14-11h15 | – | Star Alliance | – |
| 6E IndiGo | 14 | 77W, 789 | 11h15 | – | – | – |
Weekly Schedule Pattern
Connection Landscape
On-Time Performance
Other ways to reach Dulles from Istanbul
| Metric | IST→IAD | VAR→IAD |
|---|---|---|
| Distance from IST | – | 143 mi |
| Nonstop airlines | 2 | 1 |
| Weekly flights | 29 | 1 |
| Flight time | 11h 14m | 11h 4m |
Travel Essentials
IST: +03 · IAD: EDT
When it's 6:00 PM in Istanbul, it's 11:00 AM in Dulles.
Turkish passport holders need a B1/B2 visa to enter the United States. Turkey is not part of the Visa Waiver Program, so ESTA is not an option. Apply through the US embassy or consulate in Turkey. The process includes an online DS-160 form, a USD 185 application fee, and an in-person interview. Wait times for interview appointments vary by location and season. Passport must be valid for at least 6 months beyond the planned stay.
Bring proof of ties to Turkey (employment, property, family), a travel itinerary, and evidence of funds. Approval grants a visa valid for up to 10 years with stays of up to 6 months per entry.
Istanbul Metro M11 Gayrettepe–İstanbul Havalimanı line connects the airport to the broader metro network; from Gayrettepe (Mecidiyeköy/Levent area) the journey is about 35 minutes (₺60–70 with Istanbulkart). The line runs roughly 5am to midnight.Havaist express buses serve Taksim, Kadıköy, and other major hubs (₺50–80, 45–90 minutes depending on traffic). Taxis use a meter; expect ₺400–600 from Taksim or Sultanahmet. The airport is 35km northwest of the city; traffic on the O-7 motorway can be severe during peak hours.
Silver Line Metro runs from Washington Dulles Airport station to Metro Center in about 65 minutes (~$7). The route bypasses I-66 and I-495 congestion entirely. Washington Flyer coach also runs to Wiehle-Reston East station ($6, 15 min) for Metro connection.Taxis and ride-shares to downtown DC cost $55–80 and take 35–55 minutes depending on traffic. Car rental facilities are on-site. Dulles is 27 miles west of the Capitol; it is farther than either DCA or BWI from central DC.
Humid continental climate. Summers are hot and muggy (30–36°C) with frequent afternoon thunderstorms that cause delays June through August. Winters bring cold temperatures (−3 to 5°C) with snow and ice. The Virginia suburbs accumulate more snow than downtown DC, and ice storms are the primary disruption risk.
Dulles sits at higher elevation in Virginia's piedmont and sees more winter precipitation than DCA. Spring and fall are variable. Snowfall is possible into April. Thunderstorms begin from April through May.
IST–IAD Quick Facts
Frequently Asked Questions
Flights from IST to IAD
İstanbul Airport (IST) and Washington Dulles International Airport (IAD) are connected by nonstop service from IndiGo and Turkish Airlines. With 29 weekly departures, this is a heavily served route.
IST to IAD Flight Duration and Schedule
Nonstop flight time from IST to IAD ranges from 11 hours 14 minutes to 11 hours 15 minutes. The route covers a distance of 5,212 miles (8,387 km). There are approximately 29 weekly flights outbound and 28 return, totaling 57 flights per week in both directions.
Connecting Options and Alternatives
54 one-stop connections are available, with the fastest taking approximately 13 hours via PRG. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Varna (VAR).