# St. Louis (STL) to Istanbul (IST) business class award flights

Source: https://miles.zone/routes/stl-ist
Data updated: 2026-10-21T11:17:05.061Z
Cash amounts are in US dollars.

Fewest points: 62,100 miles plus $6 on United Airlines through LifeMiles, departing 2026-11-06.

## Every program and airline that can book it, next 60 days

| Airline | Program | Points | Cash on top | Routing | Departs | Checked |
| --- | --- | --- | --- | --- | --- | --- |
| United Airlines | [LifeMiles](https://miles.zone/programs/lifemiles) | 62,100 miles | $6 | via IAD | 2026-11-06 | 21 Oct 2026, 11:17 UTC |
| Delta Air Lines | [Air France-KLM Flying Blue](https://miles.zone/programs/flying-blue) (Standard fare) | 145,000 miles | $371 | via ATL, CDG | 2026-12-01 | 19 Oct 2026, 15:08 UTC |

## Route facts

Over the next 60 days we hold business class seats from St. Louis to Istanbul on 41 of the 41 departure days we have checked so far (19 days are not checked yet), through 2 programs. These figures are counted from the seats stored for those dates, not from a price history; the typical day is the median of each day's cheapest seat.

| Program | Days with space | Lowest | Typical day | Cash on top |
| --- | --- | --- | --- | --- |
| [LifeMiles](https://miles.zone/programs/lifemiles) | 11 of 41 checked | 62,100 miles | 62,100 miles | $6 to $58 |
| [Air France-KLM Flying Blue](https://miles.zone/programs/flying-blue) | 35 of 41 checked | 145,000 miles | 700,000 miles | $370 to $371 |

No nonstop seats in the window.
With a connection on Delta Air Lines and United Airlines.

## How to book it

1. [LifeMiles](https://miles.zone/programs/lifemiles) books on lifemiles.com: sign in there, search STL to IST in business class on a date with space, and pay in miles with the cash on top (from $6).
2. [Air France-KLM Flying Blue](https://miles.zone/programs/flying-blue) books on airfrance.fr: sign in there, search STL to IST in business class on a date with space, and pay in miles with the cash on top (from $370).

MilesZone finds the seat; it does not book it or take payment.

## More routes from St. Louis

- [Charlotte (CLT)](https://miles.zone/routes/stl-clt)
- [Dallas (DFW)](https://miles.zone/routes/stl-dfw)
- [Chicago (ORD)](https://miles.zone/routes/stl-ord)
- [Boston (BOS)](https://miles.zone/routes/stl-bos)
- [Indianapolis (IND)](https://miles.zone/routes/stl-ind)
- [Miami (MIA)](https://miles.zone/routes/stl-mia)
- [Philadelphia (PHL)](https://miles.zone/routes/stl-phl)
- [Phoenix (PHX)](https://miles.zone/routes/stl-phx)
- [Seattle (SEA)](https://miles.zone/routes/stl-sea)
- [Anchorage (ANC)](https://miles.zone/routes/stl-anc)
- [Portland (PDX)](https://miles.zone/routes/stl-pdx)
- [San Francisco (SFO)](https://miles.zone/routes/stl-sfo)

## More routes to Istanbul

- [Amsterdam (AMS)](https://miles.zone/routes/ams-ist)
- [Paris (CDG)](https://miles.zone/routes/cdg-ist)
- [London (LHR)](https://miles.zone/routes/lhr-ist)
- [Manchester (MAN)](https://miles.zone/routes/man-ist)
- [Edinburgh (EDI)](https://miles.zone/routes/edi-ist)
- [London (LGW)](https://miles.zone/routes/lgw-ist)
- [Frankfurt (FRA)](https://miles.zone/routes/fra-ist)
- [Munich (MUC)](https://miles.zone/routes/muc-ist)
- [Seattle (SEA)](https://miles.zone/routes/sea-ist)
- [Bengaluru (BLR)](https://miles.zone/routes/blr-ist)
- [Mumbai (BOM)](https://miles.zone/routes/bom-ist)
- [Kolkata (CCU)](https://miles.zone/routes/ccu-ist)