Rare1 stop · 12h
IST to YULCanada
Montreal
$462
usually $775
−40%
Most monthly lows $690–$798. Cheaper than every other month on record (8).
Flights · IST → WAS
Istanbul to Washington
Best fare, round trip
$655
−11%
below its usual $740
you keep $85
Found
- Depart
- Tue 20 Apr
- Return
- Tue 11 May
- Stay
- 21 nights
- Flight
- 1 stop · 12h
- Airline
KLM
Most of this route’s monthly lows fall between $707 and $746. The drop beats 25% of measured fares on the board, over 10 observed months.
Cached fare — the booking search re-prices live before you pay.
United StatesWashingtonFree museums by the dozen, and three airports competing hard enough to keep transatlantic fares honest.Best windowApr–May · Sep–OctAirportsDulles (IAD) · Reagan National (DCA) · Baltimore (BWI)Every route into WashingtonFare seasonality
When this route gets cheap.
Fares bottom out in April around $655 and peak in July near $771, 18% dearer, across the 10 months we track. The cheapest itinerary we are tracking makes one stop and takes about 12 hours outbound, on a 21-night trip — ticketed under KLM, which on a connecting fare need not operate every leg. At $655 for 8,398 km each way, that works out to about $39 per 1,000 km flown. That is below the $44 per 1,000 km typical of long-haul fares here. Across the 12 departure cities we track at a similar distance from Washington, this fare ranks 5th — 15% above the $569 from Rome. For context, the middle fare among the 30 routes of similar length we watch out of Istanbul is $643. The best time to be in Washington: Apr–May · Sep–Oct.
Cheapest day in the next 4 months: 21 Nov, $677
Press a day to compare its fares
The median cached fare across this calendar is 2% lower than when tracking began on 8 Aug — $819 then versus $799 now, across 23 recorded snapshots. This is a calendar-level trend, so an individual deal above can be lower. The lowest single day we have seen here is $647, on 16 Nov.
October 2026
Saturday 17 October: $967, above the usual price. Compare fares from this day.18Monday 19 October: $964, above the usual price. Compare fares from this day.2021Thursday 22 October: $877, around the usual price. Compare fares from this day.2324Sunday 25 October: $972, above the usual price. Compare fares from this day.Monday 26 October: $758, around the usual price. Compare fares from this day.Tuesday 27 October: $742, below the usual price. Compare fares from this day.28Thursday 29 October: $752, below the usual price. Compare fares from this day.Friday 30 October: $775, around the usual price. Compare fares from this day.31
November 2026
12Tuesday 3 November: $707, below the usual price. Compare fares from this day.4Thursday 5 November: $690, below the usual price. Compare fares from this day.Friday 6 November: $1k, above the usual price. Compare fares from this day.78Monday 9 November: $789, around the usual price. Compare fares from this day.Tuesday 10 November: $703, below the usual price. Compare fares from this day.Wednesday 11 November: $709, below the usual price. Compare fares from this day.121314151617181920Saturday 21 November: $677, the cheapest day in view. Compare fares from this day.222324Wednesday 25 November: $692, below the usual price. Compare fares from this day.2627Saturday 28 November: $1k, above the usual price. Compare fares from this day.2930
December 2026
Tuesday 1 December: $1k, above the usual price. Compare fares from this day.Wednesday 2 December: $1k, above the usual price. Compare fares from this day.Thursday 3 December: $982, above the usual price. Compare fares from this day.Friday 4 December: $1k, above the usual price. Compare fares from this day.Saturday 5 December: $1.4k, above the usual price. Compare fares from this day.Sunday 6 December: $1.4k, above the usual price. Compare fares from this day.Monday 7 December: $746, below the usual price. Compare fares from this day.89Thursday 10 December: $814, around the usual price. Compare fares from this day.11Saturday 12 December: $767, around the usual price. Compare fares from this day.13Monday 14 December: $795, around the usual price. Compare fares from this day.15161718192021222324Friday 25 December: $752, below the usual price. Compare fares from this day.Saturday 26 December: $738, below the usual price. Compare fares from this day.272829Wednesday 30 December: $821, around the usual price. Compare fares from this day.31
January 2027
1234567891011Tuesday 12 January: $773, around the usual price. Compare fares from this day.Wednesday 13 January: $816, around the usual price. Compare fares from this day.Thursday 14 January: $799, around the usual price. Compare fares from this day.Friday 15 January: $799, around the usual price. Compare fares from this day.Saturday 16 January: $839, around the usual price. Compare fares from this day.Sunday 17 January: $803, around the usual price. Compare fares from this day.Monday 18 January: $768, around the usual price. Compare fares from this day.19202122232425262728293031
CheapestBelow usualUsualAbove usualCached fares · checked 17 Oct 2026 · bands from 149 tracked fares
Cheapest in Apr, around $655
11% below the $740 typical fare
$742Oct, around the usual price. Compare October fares.$677Nov, below the usual price. Compare November fares.$738Dec, around the usual price. Compare December fares.$768Jan ’27, around the usual price. Compare January fares.$746Feb, around the usual price. Compare February fares.$707Mar, around the usual price. Compare March fares.$655Apr, the cheapest month. Compare April fares.$729May, around the usual price. Compare May fares.$771Jul, around the usual price. Compare July fares.$718Sep, around the usual price. Compare September fares.
CheapestBelow usualUsualAbove usualPress a month to compare its fares
Cheapest round-trip fare found each month, Istanbul to Washington, from cached prices.
Route facts
- Airports
- Istanbul (IST) · Sabiha Gökçen (SAW) ↔ Dulles (IAD) · Reagan National (DCA) · Baltimore (BWI)
- Flight time
- ≈12 hours outbound
- Distance
- ≈8,398 km each way
- Typical price
- $740 round-trip (seasonal median)
- Airlines on the board
- KLM
- Itineraries
- Connections on current fares
- Best months to visit
- Apr–May · Sep–Oct
Good to know
IST → WAS, answered.
Is $655 a good price for Istanbul to Washington?
Only slightly. The seasonal median is around $740 round-trip and this fare is 11% under it. We do not call a drop notable until 20%, so this is an ordinary price for the route rather than a reason to hurry.
What is the cheapest month to fly from Istanbul to Washington?
Across 10 months of cached-fare history, Apr comes out cheapest on this route. The best months to actually be in Washington are Apr–May · Sep–Oct — when those overlap, that's your window.
How far in advance should I book IST → Washington?
We do not publish a number for this, because we cannot measure it yet. Answering it honestly means watching the same departure date on this route over many weeks as it approaches, and that archive is still filling up — so any "book N days ahead" figure here would be borrowed from somewhere else rather than measured. What we can measure is which month is cheap: across 10 months of cached fares, Apr comes out lowest on this route. Our guide Why flight prices change covers what does move a fare.
Are there nonstop flights from Istanbul to Washington?
The current cheapest fares involve a connection, ticketed under KLM. We hold no nonstop fare on this route right now, which does not mean none flies — search your exact dates to see what does.
Are these prices guaranteed?
No — these are cached fares found on real searches (this one on 17 October). Airlines reprice constantly, so the booking search re-checks the live price before you pay. Fresher finds are far more likely to still be available.
Next step
Sleeping in Washington?
Lock the flight first — then compare stays for 20 Apr '27 – 11 May '27 · 21 nights.
Browse hotelsMissed it?
Cached fares expire. This route has a feed of its own — follow it and the next IST → WAS drop reaches you as soon as we find it.
Follow this route’s feedKeep browsing
Related routes on the board.
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−37%
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Great1 stop · 4h
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usually $315
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Most monthly lows $265–$327. Cheaper than every other month on record (5).
