Chicago to Istanbul flights
Routavio compares airline fares from several flight booking sites. The lowest one-way fare it found for Chicago to Istanbul is €312 (checked on 9 Nov 2026).
Your next trip, last seen at €312
Lowest observedWhen to fly
Explore datesMore dates worth a look
Find the dates that work for you
The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.
One-way fare
- 3 Feb€387
- 4 Feb€346
- 5 Feb€420
- 7 Feb€315
- 9 Feb€338
- 10 Feb€312
- 11 Feb€352
- 12 Feb€384
- 13 Feb€362
- 14 Feb€362
- 15 Feb€362
- 16 Feb€362
- 17 Feb€362
- 18 Feb€362
- 19 Feb€362
- 20 Feb€362
- 21 Feb€362
- 22 Feb€362
- 23 Feb€362
- 24 Feb€362
- 25 Feb€362
- 26 Feb€362
- 27 Feb€336
- Lowest observed
- €312, departing 10 Feb 2027 (Last checked: 9 Nov 2026)One-way fare · Priced departure days checked in the last 14 days: 86Check live prices for this route
- Round trip
- €666, departing 17 Jan 2027, back 18 Mar 2027 (Last checked: 14 Nov 2026)
- Airlines seen
- Turkish Airlines, Aer Lingus, Air Cairo, Air Canada, Air France, Air Serbia, British Airways, EgyptAir, Finnair, Frontier Airlines, Iberia, Icelandair, KLM, LOT Polish Airlines, Lufthansa, Pegasus Airlines, Qatar Airways, Royal Jordanian, SAS, TAP Air Portugal, United Airlines (21)
- Fastest observed flight time
- 13h
- Non-stop
- Yes
About this route
Explore the fares we observed from Chicago to Istanbul. Prices move often, so pick your dates to see the latest options.
- Route distance
- 8,813 km
- Fastest observed flight time
- 13h
- Airlines seen
- Turkish Airlines, Aer Lingus, Air Cairo, Air Canada, Air France, Air Serbia, British Airways, EgyptAir, Finnair, Frontier Airlines, Iberia, Icelandair, KLM, LOT Polish Airlines, Lufthansa, Pegasus Airlines, Qatar Airways, Royal Jordanian, SAS, TAP Air Portugal, United Airlines (21)
- Alternative airports
- CGX, DPA, MDW, PWK, RFD, SAW
Route-level information; individual journeys vary.
A clearer picture of your fare
If the observed fare for this date drops, we will email you. At most one message a day.
Airport to city: straight-line distance
- Chicago Midway International Airport (MDW) → Chicago, city gazetteer reference point (41.8781, -87.6298): ≈ 14 km.
- Chicago O'Hare International Airport (ORD) → Chicago, city gazetteer reference point (41.8781, -87.6298): ≈ 25 km.
- Chicago Rockford International Airport (RFD) → Chicago, city gazetteer reference point (41.8781, -87.6298): ≈ 126 km.
- Sabiha Gökçen Airport (SAW) → Istanbul, city gazetteer reference point (41.0082, 28.9784): ≈ 30 km.
- Istanbul Airport (IST) → Istanbul, city gazetteer reference point (41.0082, 28.9784): ≈ 35 km.
Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.
Lowest fare by departure month
Cheapest departure day we saw in February 2027 from Chicago to Istanbul: 10 Feb 2027, €312 (checked 9 Nov 2026).
| Month | Lowest fare | Priced days |
|---|---|---|
| November 2026 | €356 | 16 |
| December 2026 | €334 | 25 |
| January 2027 | €321 | 22 |
| February 2027 | €312 | 23 |
Lowest fare by day of the week
Cheapest Wednesday departure we saw from Chicago to Istanbul: 10 Feb 2027, €312 (checked 9 Nov 2026).
| Day | Lowest fare | Priced days |
|---|---|---|
| Monday | €335 | 12 |
| Tuesday | €334 | 12 |
| Wednesday | €312 | 12 |
| Thursday | €346 | 12 |
| Friday | €351 | 12 |
| Saturday | €336 | 14 |
| Sunday | €315 | 12 |
One-way fares checked in the last 14 days. Each figure is the lowest priced departure day we saw, not a guaranteed fare.
Observed fares by departure date
| Departure | Fare | Seen on |
|---|---|---|
| €461 | 8 Nov 2026 | |
| €401 | 7 Nov 2026 | |
| €364 | 11 Nov 2026 | |
| €481 | 12 Nov 2026 | |
| €381 | 12 Nov 2026 | |
| €605 | 12 Nov 2026 | |
| €742 | 10 Nov 2026 | |
| €478 | 12 Nov 2026 | |
| €463 | 10 Nov 2026 | |
| €415 | 12 Nov 2026 | |
| €424 | 10 Nov 2026 | |
| €400 | 8 Nov 2026 | |
| €356 | 12 Nov 2026 | |
| €396 | 11 Nov 2026 | |
| €565 | 12 Nov 2026 | |
| €420 | 12 Nov 2026 | |
| €493 | 13 Nov 2026 | |
| €334 | 13 Nov 2026 | |
| €374 | 5 Nov 2026 | |
| €312 | 9 Nov 2026 |
One-way fares. Each row is one price we saw for that departure day on the date shown, not a guaranteed fare.
Lowest fare by days before departure
Lowest fare from Chicago to Istanbul by days until departure (61 days or more): €312 (checked 9 Nov 2026).
| Days before departure | Lowest fare | Priced days |
|---|---|---|
| 0 to 7 days | €364 | 7 |
| 8 to 30 days | €334 | 20 |
| 31 to 60 days | €321 | 26 |
| 61 days or more | €312 | 33 |
One-way fares checked in the last 14 days. Each figure is the lowest stored fare for that distance to departure, not a price forecast.
Fares for different departure dates, checked now; not a guide to when to book.
Lowest one-way fare we saw per airline
Cheapest airline from Chicago to Istanbul: Lufthansa, €326 (checked 6 Nov 2026).
| Airline | Lowest fare | Priced days |
|---|---|---|
| Lufthansa | €326Apr 4, 2027 | 42 |
| Icelandair | €338Dec 6, 2026 | 11 |
| TAP Air Portugal | €354Nov 29, 2026 | 3 |
| KLM | €361Feb 12, 2027 | 16 |
One-way fares checked in the last 14 days. An airline listed here had a fare on at least 3 departure days. Each figure is the lowest we saw, not a guaranteed fare. Connecting itineraries are included; the date is the departure day of that fare.
Frequently asked
How much is a flight from Chicago to Istanbul?
The lowest fare Routavio has observed is €312, found on 9 Nov 2026.
Are there direct flights from Chicago to Istanbul?
Yes. Published schedules report non-stop flights on this route with Turkish Airlines.
Which airlines fly from Chicago to Istanbul?
Routavio has seen these carriers on the route: Turkish Airlines, Aer Lingus, Air Cairo, Air Canada, Air France, Air Serbia, British Airways, EgyptAir, Finnair, Frontier Airlines, Iberia, Icelandair, KLM, LOT Polish Airlines, Lufthansa, Pegasus Airlines, Qatar Airways, Royal Jordanian, SAS, TAP Air Portugal, United Airlines (21).
How long does the flight from Chicago to Istanbul take?
Across the 57 fares Routavio observed, the average journey time is 18h 08m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.
How much is a round trip from Chicago to Istanbul?
Cheapest round trip: €666, departing 17 Jan 2027, back 18 Mar 2027 (checked 14 Nov 2026).
When is the cheapest month to fly from Chicago to Istanbul?
Cheapest departure day we saw in February 2027 from Chicago to Istanbul: 10 Feb 2027, €312 (checked 9 Nov 2026).
Which day of the week is cheapest from Chicago to Istanbul?
Cheapest Wednesday departure we saw from Chicago to Istanbul: 10 Feb 2027, €312 (checked 9 Nov 2026).
Which airline has the lowest fare from Chicago to Istanbul?
Cheapest airline from Chicago to Istanbul: Lufthansa, €326 (checked 6 Nov 2026).
How observed prices work, what "No data" means and what a fare includes: Read the flight price guide · Price and schedule freshness on Routavio
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Recently observed fares. Prices may change.