Every Chicago–Singapore fare we track, measured against the route's typical price whenever there is enough cached history to build one. Subscribe in any RSS reader for free single-route price alerts — no account, no email needed.https://flight.dealsen-ushttps://flight.deals/flights/chicago-to-singapore/#2027-07-09-2027-08-20-KEhttps://flight.deals/flights/chicago-to-singapore/#2027-07-09-2027-08-20-KECHI → SIN round-trip on Korean Air, 2027-07-09 to 2027-08-20 (42 nights). Cached fare $738. Not enough cached history on this route yet to say what it usually costs.Sun, 30 Aug 2026 05:03:17 GMT