$313+ Cheap flights from Illinois to Singapore
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/7. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SIN
Mar 6 — Mar 131
1 adult, Economy
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Cheapest flights from Illinois to SingaporeExplore the most affordable flight options available from Illinois to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 4, 2026.
Explore the most affordable flight options available from Illinois to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 4, 2026.
This IEagle deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/92:30 pm
ORD
- SIN
1 stop42h 15m
Air India
Mon 3/1611:00 pm
SIN
- ORD
2 stops50h 30m
Air India
Deal found 2/2![Air India logo]()
$748
This CrystalTravel deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/154:15 pm
ORD
- SIN
1 stop30h 30m
Cathay Pacific
Wed 4/228:05 pm
SIN
- ORD
1 stop30h 50m
Cathay Pacific
Deal found 2/2![Cathay Pacific logo]()
$785
This oojo deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/121:10 pm
ORD
- SIN
1 stop43h 35m
Air India
Wed 7/2211:00 pm
SIN
- ORD
2 stops49h 10m
Air India
Deal found 2/3![Air India logo]()
$790
This oojo deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/134:15 pm
ORD
- SIN
1 stop30h 30m
Cathay Pacific
Mon 4/274:05 pm
SIN
- ORD
1 stop34h 50m
Cathay Pacific
Deal found 2/2![Cathay Pacific logo]()
$794
This oojo deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/201:10 pm
ORD
- SIN
1 stop41h 20m
Air India
Mon 5/411:00 pm
SIN
- ORD
2 stops49h 10m
Air India
Deal found 2/3![Air India logo]()
$795
This FlightHub deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/144:15 pm
ORD
- SIN
1 stop24h 15m
Cathay Pacific
Wed 4/228:05 pm
SIN
- ORD
1 stop30h 50m
Cathay Pacific
Deal found 2/2![Cathay Pacific logo]()
$800
This CrystalTravel deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/238:10 pm
ORD
- SIN
1 stop23h 35m
Turkish Airlines
Mon 9/2811:10 am
SIN
- ORD
1 stop23h 55m
Turkish Airlines
Deal found 2/1![Turkish Airlines logo]()
$808
This KAYAK deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/134:15 pm
ORD
- SIN
1 stop24h 15m
Cathay Pacific
Wed 4/228:05 pm
SIN
- ORD
1 stop30h 50m
Cathay Pacific
Deal found 2/2![Cathay Pacific logo]()
$812
This Justfly.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/28:20 pm
ORD
- SIN
1 stop22h 25m
Turkish Airlines
Thu 3/55:15 am
SIN
- ORD
1 stop42h 50m
Turkish Airlines
Deal found 2/2![Turkish Airlines logo]()
$816
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/48:20 pm
ORD
- SIN
1 stop31h 15m
Turkish Airlines
Wed 3/1111:40 am
SIN
- ORD
1 stop36h 25m
Turkish Airlines
Deal found 2/2![Turkish Airlines logo]()
$818
This ScholarTrip deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure ScholarTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/172:35 pm
ORD
- SIN
1 stop25h 05m
Cathay Pacific
Wed 2/252:05 pm
SIN
- ORD
1 stop36h 50m
Cathay Pacific
Deal found 2/3![Cathay Pacific logo]()
$822
This oojo deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/151:10 pm
ORD
- SIN
1 stop41h 20m
Air India
Wed 4/2211:00 pm
SIN
- ORD
2 stops49h 10m
Air India
Deal found 2/3![Air India logo]()
$825
Best flights from Illinois to SingaporeDiscover carefully curated flight deals from Illinois to Singapore that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 4, 2026.
Discover carefully curated flight deals from Illinois to Singapore that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 4, 2026.
This United Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/24:00 pm
ORD
- SIN
2 stops26h 00m
United Airlines
Thu 3/510:10 am
SIN
- ORD
1 stop22h 41m
United Airlines
Deal found 2/2![United Airlines logo]()
$882
This oojo deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/310:37 am
STL
- SIN
2 stops29h 03m
Cathay Pacific
Tue 3/106:00 pm
SIN
- STL
2 stops42h 58m
Cathay Pacific
Deal found 2/2![Cathay Pacific logo]()
$925
This Delta deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/176:00 am
MDW
- SIN
2 stops34h 00m
Delta
Wed 4/227:30 am
SIN
- MDW
2 stops27h 58m
Delta
Deal found 2/2![Delta logo]()
$1,191
This oojo deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/194:20 pm
EVV
- SIN
2 stops33h 35m
Qatar Airways
Wed 3/253:15 am
SIN
- EVV
2 stops33h 31m
Qatar Airways
Deal found 2/2![Qatar Airways logo]()
$1,211
This China Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1510:00 am
MDW
- SIN
2 stops37h 35m
Multiple Airlines
Wed 4/221:45 pm
SIN
- MDW
2 stops34h 40m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$1,218
This United Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/174:00 pm
ORD
- SIN
2 stops26h 00m
United Airlines
Wed 2/2510:10 am
SIN
- ORD
1 stop23h 45m
United Airlines
Deal found 2/3![United Airlines logo]()
$882
This oojo deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2012:25 pm
STL
- SIN
2 stops28h 05m
Cathay Pacific
Mon 5/412:45 pm
SIN
- STL
2 stops43h 49m
Cathay Pacific
Deal found 2/2![Cathay Pacific logo]()
$940
This United Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/179:01 am
ORD
- SIN
1 stop32h 59m
United Airlines
Mon 3/210:10 am
SIN
- ORD
1 stop27h 16m
United Airlines
Deal found 2/2![United Airlines logo]()
$882
This United Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1311:03 pm
ORD
- SIN
2 stops30h 32m
United Airlines
Mon 4/279:00 am
SIN
- ORD
2 stops24h 26m
United Airlines
Deal found 2/2![United Airlines logo]()
$886
This United Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/187:55 pm
ORD
- SIN
2 stops34h 20m
United Airlines
Mon 3/210:10 am
SIN
- ORD
2 stops26h 49m
United Airlines
Deal found 2/2![United Airlines logo]()
$886
This Delta deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/189:27 am
MDW
- SIN
2 stops30h 33m
Delta
Tue 4/2110:30 pm
SIN
- MDW
2 stops36h 58m
Delta
Deal found 2/2![Delta logo]()
$1,191
This China Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/166:10 pm
MDW
- SIN
2 stops29h 25m
Multiple Airlines
Sat 4/182:00 am
SIN
- MDW
2 stops35h 50m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$1,284
This United Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/256:25 am
ORD
- SIN
1 stop23h 50m
United Airlines
Tue 3/1010:10 am
SIN
- ORD
2 stops24h 19m
United Airlines
Deal found 2/2![United Airlines logo]()
$886
This Delta deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/309:31 am
MDW
- SIN
2 stops25h 09m
Delta
Thu 5/147:30 am
SIN
- MDW
2 stops26h 39m
Delta
Deal found 2/2![Delta logo]()
$1,237
This China Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/96:00 pm
MDW
- SIN
2 stops29h 35m
Multiple Airlines
Sat 5/161:45 pm
SIN
- MDW
2 stops28h 55m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$1,293
This United Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/16:25 am
ORD
- SIN
1 stop23h 10m
United Airlines
Wed 4/89:00 am
SIN
- ORD
2 stops24h 00m
United Airlines
Deal found 2/3![United Airlines logo]()
$886
This Delta deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/176:00 am
MDW
- SIN
2 stops34h 00m
Delta
Thu 4/231:10 am
SIN
- MDW
2 stops34h 18m
Delta
Deal found 2/2![Delta logo]()
$1,241
This United Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/18:51 am
ORD
- SIN
2 stops32h 54m
United Airlines
Tue 4/78:35 pm
SIN
- ORD
2 stops26h 30m
United Airlines
Deal found 2/3![United Airlines logo]()
$886
This EVA Air deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/204:20 pm
STL
- SIN
2 stops30h 35m
Multiple Airlines
Mon 5/41:10 pm
SIN
- STL
3 stops38h 40m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$1,310
This Delta deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/146:00 am
MDW
- SIN
2 stops28h 40m
Delta
Tue 4/217:30 am
SIN
- MDW
2 stops27h 58m
Delta
Deal found 2/2![Delta logo]()
$1,291
This China Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/95:40 pm
MDW
- SIN
2 stops30h 25m
Multiple Airlines
Mon 3/162:25 pm
SIN
- MDW
2 stops28h 05m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$1,318
This Delta deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/169:31 am
MDW
- SIN
2 stops30h 29m
Delta
Wed 4/221:10 am
SIN
- MDW
2 stops24h 33m
Delta
Deal found 2/2![Delta logo]()
$1,332
This Expedia deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/215:30 pm
STL
- SIN
2 stops63h 25m
Multiple Airlines
Sat 3/288:15 pm
SIN
- STL
2 stops39h 43m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$1,429
This Delta deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/166:00 am
MDW
- SIN
2 stops34h 00m
Delta
Thu 3/2610:30 pm
SIN
- MDW
2 stops31h 52m
Delta
Deal found 2/3![Delta logo]()
$1,340
This United Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/195:15 am
STL
- SIN
2 stops26h 00m
United Airlines
Thu 3/2610:10 am
SIN
- STL
1 stop25h 15m
United Airlines
Deal found 2/2![United Airlines logo]()
$1,127
This American Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/194:20 pm
EVV
- SIN
2 stops25h 15m
American Airlines
Thu 3/268:15 am
SIN
- EVV
3 stops27h 31m
American Airlines
Deal found 2/2![American Airlines logo]()
$4,555
This Mytrip deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/32:21 pm
STL
- SIN
2 stops28h 24m
Multiple Airlines
Mon 3/92:30 am
SIN
- STL
3 stops33h 29m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$1,463
This United Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/208:30 am
STL
- SIN
1 stop33h 15m
United Airlines
Mon 5/49:00 am
SIN
- STL
1 stop22h 22m
United Airlines
Deal found 2/2![United Airlines logo]()
$1,177
This United Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/35:25 pm
STL
- SIN
1 stop24h 35m
United Airlines
Tue 3/1010:10 am
SIN
- STL
1 stop25h 15m
United Airlines
Deal found 2/2![United Airlines logo]()
$1,177
This United Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/196:30 am
MLI
- SIN
2 stops35h 30m
United Airlines
Thu 3/2610:10 am
SIN
- MLI
2 stops25h 12m
United Airlines
Deal found 2/2![United Airlines logo]()
$1,277
Last-minute flights from Illinois to SingaporeDiscover last-minute flight deals from Illinois to Singapore. Data last updated February 4, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Singapore. Data last updated February 4, 2026 and is based on user searches.
This Justfly.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/108:20 pm
ORD
- SIN
1 stop22h 15m
Turkish Airlines
Wed 2/1811:40 am
SIN
- ORD
1 stop36h 25m
Turkish Airlines
Deal found 2/2![Turkish Airlines logo]()
$825
This ScholarTrip deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure ScholarTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/172:35 pm
ORD
- SIN
1 stop25h 05m
Cathay Pacific
Wed 2/252:05 pm
SIN
- ORD
1 stop36h 50m
Cathay Pacific
Deal found 2/3![Cathay Pacific logo]()
$822
This FlightHub deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/178:20 pm
ORD
- SIN
1 stop22h 15m
Turkish Airlines
Tue 2/2410:15 am
SIN
- ORD
1 stop37h 50m
Turkish Airlines
Deal found 2/2![Turkish Airlines logo]()
$827
This oojo deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/111:50 am
ORD
- SIN
1 stop39h 45m
Turkish Airlines
Wed 3/1811:25 pm
SIN
- ORD
1 stop24h 40m
Turkish Airlines
Deal found 2/3![Turkish Airlines logo]()
$841
This Justfly.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/28:20 pm
ORD
- SIN
1 stop22h 25m
Turkish Airlines
Thu 3/55:15 am
SIN
- ORD
1 stop42h 50m
Turkish Airlines
Deal found 2/2![Turkish Airlines logo]()
$816
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/48:20 pm
ORD
- SIN
1 stop31h 15m
Turkish Airlines
Wed 3/1111:40 am
SIN
- ORD
1 stop36h 25m
Turkish Airlines
Deal found 2/2![Turkish Airlines logo]()
$818
This CrystalTravel deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/41:10 pm
ORD
- SIN
1 stop30h 25m
Etihad Airways
Wed 3/117:25 pm
SIN
- ORD
1 stop26h 10m
Etihad Airways
Deal found 2/3![Etihad Airways logo]()
$839
This IEagle deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/92:30 pm
ORD
- SIN
1 stop42h 15m
Air India
Mon 3/1611:00 pm
SIN
- ORD
2 stops50h 30m
Air India
Deal found 2/2![Air India logo]()
$748
This CrystalTravel deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/92:10 pm
ORD
- SIN
1 stop30h 25m
Etihad Airways
Mon 3/167:25 pm
SIN
- ORD
1 stop26h 10m
Etihad Airways
Deal found 2/2![Etihad Airways logo]()
$832
This Justfly.com deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/159:20 pm
ORD
- SIN
1 stop31h 15m
Turkish Airlines
Thu 3/265:15 am
SIN
- ORD
1 stop27h 10m
Turkish Airlines
Deal found 2/3![Turkish Airlines logo]()
$848
This Justfly.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/1612:50 pm
ORD
- SIN
1 stop32h 10m
Turkish Airlines
Thu 3/2610:15 am
SIN
- ORD
1 stop37h 50m
Turkish Airlines
Deal found 2/2![Turkish Airlines logo]()
$849
This Booking.com deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/304:15 pm
ORD
- SIN
1 stop43h 30m
Cathay Pacific
Mon 4/1312:45 pm
SIN
- ORD
1 stop38h 10m
Cathay Pacific
Deal found 2/3![Cathay Pacific logo]()
$800
One-way flights from Illinois to SingaporeSearch for one-way flight options from Illinois to Singapore. Find affordable one-way fares based on user searches. Data last updated February 4, 2026.
Search for one-way flight options from Illinois to Singapore. Find affordable one-way fares based on user searches. Data last updated February 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/75:58 pm
ORD
- SIN
3 stops55h 17m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$313
This Expedia deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/43:54 pm
ORD
- SIN
2 stops27h 41m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$342
This Justfly.com deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/21:30 pm
ORD
- SIN
1 stop39h 25m
Air India
Deal found 2/3![Air India logo]()
$363
This Justfly.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/41:30 pm
ORD
- SIN
1 stop29h 50m
Air India
Deal found 2/2![Air India logo]()
$364
This oojo deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/271:10 pm
ORD
- SIN
1 stop41h 20m
Air India
Deal found 2/2![Air India logo]()
$367
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/92:30 pm
ORD
- SIN
1 stop42h 15m
Air India
Deal found 2/2![Air India logo]()
$384
This CrystalTravel deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/11:10 pm
ORD
- SIN
1 stop30h 25m
Etihad Airways
Deal found 2/3![Etihad Airways logo]()
$398
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/89:08 pm
ORD
- SIN
3 stops47h 27m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$405
This Kiwi.com deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/261:10 pm
ORD
- SIN
1 stop30h 25m
Etihad Airways
Deal found 2/3![Etihad Airways logo]()
$409
This Kiwi.com deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/196:00 am
ORD
- SIN
2 stops50h 30m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$411
This Kiwi.com deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/39:18 pm
ORD
- SIN
3 stops59h 12m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$412
This Kiwi.com deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/3010:36 pm
MDW
- SIN
3 stops55h 34m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$517
Find flight deals from Illinois to Singapore
Keep the following information in mind while searching for Illinois to Singapore flight deals. Data was last updated February 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $748 (IEagle) |
One-way from | $313 (Kiwi.com) |
Popular in | December |
Cheapest in | February |
Average price | $815 |
Cheapflights Fare Finder
Customize your flight search to find flights from Illinois to Singapore that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 4, 2026.
Use the filters below to find and compare flights from Illinois to Singapore that are best for you.
Fly from
Illinois
Fly to
Singapore
Route
Depart
Return
Price
ChicagoSingapore
ORD - SIN
ORDSIN
Chicago O'Hare Intl
Mon 3/2
4:00 pm-8:00 am
2 stops26h 00m
Singapore Changi
Thu 3/5
10:10 am-6:51 pm
1 stop22h 41m
$882
ChicagoSingapore
ORD - SIN
ORDSIN
Chicago O'Hare Intl
Tue 2/17
4:00 pm-8:00 am
2 stops26h 00m
Singapore Changi
Wed 2/25
10:10 am-7:55 pm
1 stop23h 45m
$882
ChicagoSingapore
ORD - SIN
ORDSIN
Chicago O'Hare Intl
Tue 2/17
9:01 am-8:00 am
1 stop32h 59m
Singapore Changi
Mon 3/2
10:10 am-11:26 pm
1 stop27h 16m
$882
ChicagoSingapore
ORD - SIN
ORDSIN
Chicago O'Hare Intl
Mon 4/13
11:03 pm-6:35 pm
2 stops30h 32m
Singapore Changi
Mon 4/27
9:00 am-8:26 pm
2 stops24h 26m
$886
ChicagoSingapore
ORD - SIN
ORDSIN
Chicago O'Hare Intl
Wed 2/18
7:55 pm-8:15 pm
2 stops34h 20m
Singapore Changi
Mon 3/2
10:10 am-10:59 pm
2 stops26h 49m
$886
ChicagoSingapore
ORD - SIN
ORDSIN
Chicago O'Hare Intl
Wed 2/25
6:25 am-8:15 pm
1 stop23h 50m
Singapore Changi
Tue 3/10
10:10 am-9:29 pm
2 stops24h 19m
$886
ChicagoSingapore
ORD - SIN
ORDSIN
Chicago O'Hare Intl
Wed 4/1
6:25 am-6:35 pm
1 stop23h 10m
Singapore Changi
Wed 4/8
9:00 am-8:00 pm
2 stops24h 00m
$886
ChicagoSingapore
ORD - SIN
ORDSIN
Chicago O'Hare Intl
Wed 4/1
8:51 am-6:45 am
2 stops32h 54m
Singapore Changi
Tue 4/7
8:35 pm-10:05 am
2 stops26h 30m
$886
St. LouisSingapore
STL - SIN
STLSIN
Lambert-St Louis
Tue 3/3
10:37 am-5:40 am
2 stops29h 03m
Singapore Changi
Tue 3/10
6:00 pm-11:58 pm
2 stops42h 58m
$925
St. LouisSingapore
STL - SIN
STLSIN
Lambert-St Louis
Mon 4/20
12:25 pm-5:30 am
2 stops28h 05m
Singapore Changi
Mon 5/4
12:45 pm-7:34 pm
2 stops43h 49m
$940
Showing 1-10 of 51 results
Best time to book a flight from Illinois to Singapore
Have a flexible travel schedule? Discover the best time to fly to Singapore from Illinois with our price prediction graph.
ORD-SIN
MDW-SIN
STL-SIN
EVV-SIN
MLI-SIN
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Illinois to Singapore
USIL-SG0
ORD-SIN
MDW-SIN
STL-SIN
EVV-SIN
What is the cheapest month to book a flight from Illinois to Singapore?
Currently, September is the cheapest month in which you can book a flight from Illinois to Singapore (average of $661). Flying from Illinois to Singapore in December is currently the most expensive (average of $1,314). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Related info for your journey
Find useful and relevant information for your journey from Illinois to Singapore. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Complete your trip
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Alternative routes for Illinois to Singapore
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Singapore by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Illinois to Singapore by cabin class
Find flights from Illinois to Singapore, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Illinois and Singapore flights
Browse other Illinois and Singapore flight options. Last updated on February 4, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Singapore
Find the right flight back to Illinois after your stay in Singapore
Illinois to Singapore flights
Consider these flights traveling from Illinois to Singapore.
Top 10 airlines flying from Illinois to Singapore
Discover the top 10 airlines that operate flights from Illinois to Singapore. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$675 | Average$925 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$698 | Average$883 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$709 | Average$1,195 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$795 | Average$1,103 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$830 | Average$1,058 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$858 | Average$1,203 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$872 | Average$1,340 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$988 | Average$1,081 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$1,024 | Average$1,426 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$1,086 | Average$1,454 | FlexibilityNo cancel fee | On-time74% |