$409+ Cheap flights from Illinois to Vietnam
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 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SGN
Sep 7 — Sep 141
Round-trip
1 adult, Economy
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Find cheap flights from Illinois to Vietnam with Cheapflights
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Illinois to VietnamExplore the most affordable flight options available from Illinois to Vietnam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 8, 2026.
Explore the most affordable flight options available from Illinois to Vietnam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 8, 2026.
This oojo deal was found by Cheapflights users on 8/7. 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 9/22:00 pm -
1 stop28h 40m
Tue 9/158:40 pm -
1 stop31h 00m
Deal found 8/7![Etihad Airways logo]()
$873
This oojo deal was found by Cheapflights users on 8/6. 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 9/77:20 pm -
1 stop30h 35m
Tue 9/157:30 pm -
1 stop31h 35m
Deal found 8/6![Qatar Airways logo]()
$885
This FlightHub deal was found by Cheapflights users on 8/8. 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.
Mon 9/77:20 pm -
1 stop30h 35m
Mon 9/217:30 pm -
1 stop31h 35m
Deal found 8/8![Qatar Airways logo]()
$900
This FlightHub deal was found by Cheapflights users on 8/7. 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 9/227:20 pm -
1 stop30h 35m
Tue 10/67:30 pm -
1 stop31h 35m
Deal found 8/7![Qatar Airways logo]()
$901
This IEagle deal was found by Cheapflights users on 8/7. 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.
Wed 9/27:20 pm -
1 stop23h 55m
Tue 9/158:45 am -
1 stop42h 20m
Deal found 8/7![Qatar Airways logo]()
$902
This Bravofly deal was found by Cheapflights users on 8/5. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/24:00 pm -
1 stop29h 55m
Wed 9/237:10 pm -
1 stop30h 45m
Deal found 8/5![Cathay Pacific logo]()
$903
This oojo deal was found by Cheapflights users on 8/6. 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 11/31:10 pm -
1 stop40h 00m
Sun 1/318:00 pm -
1 stop24h 55m
Deal found 8/6![Etihad Airways logo]()
$907
This oojo deal was found by Cheapflights users on 8/7. 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 11/32:35 pm -
1 stop29h 45m
Wed 11/1812:25 pm -
1 stop37h 30m
Deal found 8/7![Cathay Pacific logo]()
$927
This oojo deal was found by Cheapflights users on 8/4. 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 10/74:15 pm -
1 stop37h 10m
Wed 10/2812:25 pm -
1 stop37h 30m
Deal found 8/4![Cathay Pacific logo]()
$928
This Gotogate deal was found by Cheapflights users on 8/3. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/302:35 pm -
1 stop30h 30m
Sun 12/137:30 pm -
1 stop30h 25m
Deal found 8/3![Cathay Pacific logo]()
$931
This oojo deal was found by Cheapflights users on 8/5. 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 10/64:15 pm -
1 stop29h 40m
Mon 10/197:10 pm -
1 stop30h 45m
Deal found 8/5![Cathay Pacific logo]()
$932
This oojo deal was found by Cheapflights users on 8/3. 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.
Thu 9/244:15 pm -
1 stop37h 55m
Sun 10/47:10 pm -
1 stop30h 45m
Deal found 8/3![Cathay Pacific logo]()
$933
Best flights from Illinois to VietnamDiscover carefully curated flight deals from Illinois to Vietnam that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 8, 2026.
Discover carefully curated flight deals from Illinois to Vietnam that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 8, 2026.
This United Airlines deal was found by Cheapflights users on 8/7. 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 9/246:00 am -
2 stops28h 05m
Mon 9/287:00 am -
2 stops24h 05m
Deal found 8/7![United Airlines logo]()
$947
This Delta deal was found by Cheapflights users on 8/6. 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.
Wed 10/146:04 am -
2 stops28h 06m
Mon 10/2611:50 pm -
2 stops28h 29m
Deal found 8/6![Delta logo]()
$956
This Booking.com deal was found by Cheapflights users on 8/5. 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.
Tue 9/14:00 pm -
1 stop37h 25m
Mon 9/1410:05 am -
1 stop40h 15m
Deal found 8/5![Cathay Pacific logo]()
$1,020
This FlightHub deal was found by Cheapflights users on 8/6. 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.
Mon 11/911:32 am -
2 stops30h 23m
Mon 11/167:10 pm -
2 stops36h 07m
Deal found 8/6![Qatar Airways logo]()
$1,037
This Etihad Airways deal was found by Cheapflights users on 8/5. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/78:25 pm -
2 stops27h 40m
Wed 10/281:05 pm -
2 stops38h 55m
Deal found 8/5![Etihad Airways logo]()
$1,050
This Etihad Airways deal was found by Cheapflights users on 8/4. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/82:00 pm -
2 stops34h 05m
Tue 9/2912:50 pm -
2 stops38h 50m
Deal found 8/4![Multiple Airlines logo]()
$1,050
This Korean Air deal was found by Cheapflights users on 8/7. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/306:00 am -
2 stops27h 35m
Sun 10/411:10 pm -
2 stops28h 44m
Deal found 8/7![Korean Air logo]()
$1,185
This United Airlines deal was found by Cheapflights users on 8/7. 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.
Sun 10/253:47 pm -
2 stops43h 08m
Sun 11/811:05 pm -
1 stop29h 05m
Deal found 8/7![United Airlines logo]()
$949
This Delta deal was found by Cheapflights users on 8/7. 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.
Sun 10/258:29 pm -
2 stops37h 56m
Sun 11/88:00 am -
2 stops28h 52m
Deal found 8/7![Delta logo]()
$962
This FlightHub deal was found by Cheapflights users on 8/7. 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.
Thu 8/276:00 am -
2 stops43h 55m
Fri 9/117:30 pm -
2 stops37h 14m
Deal found 8/7![Qatar Airways logo]()
$1,037
This oojo deal was found by Cheapflights users on 8/7. 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 10/84:15 pm -
1 stop29h 25m
Sat 10/247:05 pm -
1 stop30h 50m
Deal found 8/7![Cathay Pacific logo]()
$1,049
This Etihad Airways deal was found by Cheapflights users on 8/7. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/58:20 pm -
2 stops26h 45m
Thu 11/191:05 pm -
2 stops38h 55m
Deal found 8/7![Etihad Airways logo]()
$1,050
This Etihad Airways deal was found by Cheapflights users on 8/7. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/252:10 pm -
2 stops33h 55m
Mon 11/91:05 pm -
2 stops38h 55m
Deal found 8/7![Multiple Airlines logo]()
$1,050
This United Airlines deal was found by Cheapflights users on 8/4. 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 9/15:30 am -
3 stops28h 35m
Tue 9/87:00 am -
2 stops24h 05m
Deal found 8/4![United Airlines logo]()
$960
This Delta deal was found by Cheapflights users on 8/4. 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.
Sun 10/46:40 am -
2 stops28h 35m
Tue 10/207:30 am -
1 stop38h 00m
Deal found 8/4![Delta logo]()
$981
This oojo deal was found by Cheapflights users on 8/4. 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.
Sat 10/34:15 pm -
1 stop37h 50m
Mon 10/1210:40 am -
1 stop39h 15m
Deal found 8/4![Cathay Pacific logo]()
$1,050
This Korean Air deal was found by Cheapflights users on 8/6. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/176:00 am -
2 stops27h 35m
Mon 9/2111:10 pm -
2 stops36h 32m
Deal found 8/6![Korean Air logo]()
$1,185
This Delta deal was found by Cheapflights users on 8/4. 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.
Wed 11/46:30 am -
2 stops27h 50m
Sat 11/142:05 pm -
1 stop31h 25m
Deal found 8/4![Delta logo]()
$981
This Justfly.com deal was found by Cheapflights users on 8/4. 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.
Thu 11/123:11 pm -
2 stops56h 09m
Thu 11/268:55 am -
2 stops52h 04m
Deal found 8/4![Multiple Airlines logo]()
$1,081
This Etihad Airways deal was found by Cheapflights users on 8/5. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/112:00 pm -
2 stops34h 05m
Sat 11/141:05 pm -
2 stops38h 55m
Deal found 8/5![Etihad Airways logo]()
$1,090
This United Airlines deal was found by Cheapflights users on 8/6. 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.
Sat 9/56:00 am -
3 stops28h 05m
Sun 9/2011:15 pm -
2 stops29h 14m
Deal found 8/6![United Airlines logo]()
$1,000
This Delta deal was found by Cheapflights users on 8/7. 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 9/712:10 pm -
1 stop22h 00m
Wed 9/911:45 pm -
2 stops26h 44m
Deal found 8/7![Delta logo]()
$986
This FlightHub deal was found by Cheapflights users on 8/4. 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.
Mon 11/93:11 pm -
2 stops50h 44m
Mon 11/167:10 pm -
2 stops56h 05m
Deal found 8/4![Multiple Airlines logo]()
$1,086
This Etihad Airways deal was found by Cheapflights users on 8/6. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/108:25 pm -
2 stops51h 40m
Sun 10/412:50 pm -
2 stops38h 50m
Deal found 8/6![Etihad Airways logo]()
$1,092
This United Airlines deal was found by Cheapflights users on 8/4. 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 10/67:44 am -
2 stops26h 31m
Mon 10/1911:35 pm -
1 stop27h 20m
Deal found 8/4![United Airlines logo]()
$1,019
This Cathay Pacific deal was found by Cheapflights users on 8/3. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/174:15 pm -
1 stop37h 50m
Mon 9/217:05 pm -
1 stop30h 50m
Deal found 8/3![Cathay Pacific logo]()
$1,181
This Delta deal was found by Cheapflights users on 8/7. 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 8/136:05 am -
2 stops28h 05m
Sun 9/611:45 pm -
2 stops24h 06m
Deal found 8/7![Delta logo]()
$990
This Qatar Airways deal was found by Cheapflights users on 8/7. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1712:08 pm -
2 stops31h 07m
Mon 9/217:30 pm -
2 stops40h 35m
Deal found 8/7![Qatar Airways logo]()
$1,341
This oojo deal was found by Cheapflights users on 8/4. 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 10/84:15 pm -
1 stop37h 50m
Sat 10/2410:05 pm -
2 stops51h 50m
Deal found 8/4![Multiple Airlines logo]()
$1,112
This United Airlines deal was found by Cheapflights users on 8/5. 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 9/229:35 pm -
2 stops36h 40m
Tue 10/611:35 pm -
1 stop27h 20m
Deal found 8/5![United Airlines logo]()
$1,031
Last-minute flights from Illinois to VietnamDiscover last-minute flight deals from Illinois to Vietnam. Data last updated August 8, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Vietnam. Data last updated August 8, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/6. 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.
Sun 8/3010:00 pm -
2 stops38h 15m
Sat 9/511:15 pm -
2 stops42h 26m
Deal found 8/6![United Airlines logo]()
$949
This oojo deal was found by Cheapflights users on 8/7. 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 8/314:00 pm -
1 stop38h 10m
Mon 9/147:10 pm -
1 stop31h 10m
Deal found 8/7![Cathay Pacific logo]()
$931
This United Airlines deal was found by Cheapflights users on 8/7. 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 9/18:50 am -
2 stops25h 15m
Thu 9/107:00 am -
2 stops22h 05m
Deal found 8/7![United Airlines logo]()
$947
This oojo deal was found by Cheapflights users on 8/7. 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 9/22:00 pm -
1 stop28h 40m
Tue 9/158:40 pm -
1 stop31h 00m
Deal found 8/7![Etihad Airways logo]()
$873
This IEagle deal was found by Cheapflights users on 8/7. 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.
Wed 9/27:20 pm -
1 stop23h 55m
Tue 9/158:45 am -
1 stop42h 20m
Deal found 8/7![Qatar Airways logo]()
$902
This Bravofly deal was found by Cheapflights users on 8/5. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/24:00 pm -
1 stop29h 55m
Wed 9/237:10 pm -
1 stop30h 45m
Deal found 8/5![Cathay Pacific logo]()
$903
This IEagle deal was found by Cheapflights users on 8/7. 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.
Sun 9/67:20 pm -
1 stop30h 35m
Sun 9/137:30 pm -
1 stop31h 35m
Deal found 8/7![Qatar Airways logo]()
$938
This oojo deal was found by Cheapflights users on 8/6. 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 9/77:20 pm -
1 stop30h 35m
Tue 9/157:30 pm -
1 stop31h 35m
Deal found 8/6![Qatar Airways logo]()
$885
This FlightHub deal was found by Cheapflights users on 8/8. 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.
Mon 9/77:20 pm -
1 stop30h 35m
Mon 9/217:30 pm -
1 stop31h 35m
Deal found 8/8![Qatar Airways logo]()
$900
This oojo deal was found by Cheapflights users on 8/5. 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 9/74:00 pm -
1 stop38h 10m
Mon 9/217:10 pm -
1 stop30h 45m
Deal found 8/5![Cathay Pacific logo]()
$932
This FlightHub deal was found by Cheapflights users on 8/7. 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 9/227:20 pm -
1 stop30h 35m
Tue 10/67:30 pm -
1 stop31h 35m
Deal found 8/7![Qatar Airways logo]()
$901
This oojo deal was found by Cheapflights users on 8/3. 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.
Thu 9/244:15 pm -
1 stop37h 55m
Sun 10/47:10 pm -
1 stop30h 45m
Deal found 8/3![Cathay Pacific logo]()
$933
One-way flights from Illinois to VietnamSearch for one-way flight options from Illinois to Vietnam. Find affordable one-way fares based on user searches. Data last updated August 8, 2026.
Search for one-way flight options from Illinois to Vietnam. Find affordable one-way fares based on user searches. Data last updated August 8, 2026.
This oojo deal was found by Cheapflights users on 8/8. 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 8/198:25 pm -
1 stop22h 15m
Deal found 8/8![Etihad Airways logo]()
$409
This oojo deal was found by Cheapflights users on 8/4. 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 8/202:00 pm -
1 stop28h 40m
Deal found 8/4![Etihad Airways logo]()
$410
This Kiwi.com deal was found by Cheapflights users on 8/5. 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 10/612:10 pm -
1 stop36h 25m
Deal found 8/5![Korean Air logo]()
$444
This oojo deal was found by Cheapflights users on 8/4. 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.
Sat 8/292:00 pm -
1 stop28h 40m
Deal found 8/4![Etihad Airways logo]()
$450
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 8/228:25 pm -
1 stop22h 15m
Deal found 8/4![Etihad Airways logo]()
$462
This Justfly.com deal was found by Cheapflights users on 8/3. 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.
Tue 8/255:45 pm -
1 stop40h 10m
Deal found 8/3![ANA logo]()
$467
This Etihad Airways deal was found by Cheapflights users on 8/8. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/218:25 pm -
1 stop22h 15m
Deal found 8/8![Etihad Airways logo]()
$469
This United Airlines deal was found by Cheapflights users on 8/3. 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 8/256:00 am -
3 stops28h 05m
Deal found 8/3![United Airlines logo]()
$471
This FlightHub deal was found by Cheapflights users on 8/8. 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 8/187:20 pm -
1 stop30h 35m
Deal found 8/8![Qatar Airways logo]()
$473
This oojo deal was found by Cheapflights users on 8/7. 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.
Fri 10/309:20 pm -
1 stop32h 50m
Deal found 8/7![Etihad Airways logo]()
$475
This Korean Air deal was found by Cheapflights users on 8/4. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2512:30 pm -
1 stop21h 40m
Deal found 8/4![Korean Air logo]()
$475
This Delta deal was found by Cheapflights users on 8/4. 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 8/186:00 am -
2 stops28h 10m
Deal found 8/4![Delta logo]()
$477
Find flight deals from Illinois to Vietnam
Keep the following information in mind while searching for Illinois to Vietnam flight deals. Data was last updated August 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $873 (oojo) |
One-way from | $409 (oojo) |
Popular in | June |
Cheapest in | April |
Average price | $995 |
Cheapflights Fare Finder
Customize your flight search to find flights from Illinois to Vietnam 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 August 8, 2026.
Use the filters below to find and compare flights from Illinois to Vietnam that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoHo Chi Minh City
ORD Chicago O'Hare Intl - SGN Ho Chi Minh City
ORDSGN
Chicago O'Hare Intl
Thu 9/24
6:00 am-10:05 pm
2 stops28h 05m
Ho Chi Minh City
Mon 9/28
7:00 am-7:05 pm
2 stops24h 05m
$947
ChicagoHo Chi Minh City
ORD Chicago O'Hare Intl - SGN Ho Chi Minh City
ORDSGN
Chicago O'Hare Intl
Sun 10/25
3:47 pm-10:55 pm
2 stops43h 08m
Ho Chi Minh City
Sun 11/8
11:05 pm-3:10 pm
1 stop29h 05m
$949
ChicagoHo Chi Minh City
MDW Chicago Midway - SGN Ho Chi Minh City
MDWSGN
Chicago Midway
Wed 10/14
6:04 am-10:10 pm
2 stops28h 06m
Ho Chi Minh City
Mon 10/26
11:50 pm-4:19 pm
2 stops28h 29m
$956
ChicagoHo Chi Minh City
ORD Chicago O'Hare Intl - SGN Ho Chi Minh City
ORDSGN
Chicago O'Hare Intl
Tue 9/1
5:30 am-10:05 pm
3 stops28h 35m
Ho Chi Minh City
Tue 9/8
7:00 am-7:05 pm
2 stops24h 05m
$960
ChicagoHo Chi Minh City
ORD Chicago O'Hare Intl - SGN Ho Chi Minh City
ORDSGN
Chicago O'Hare Intl
Sun 10/25
8:29 pm-10:25 pm
2 stops37h 56m
Ho Chi Minh City
Sun 11/8
8:00 am-11:52 pm
2 stops28h 52m
$962
ChicagoHo Chi Minh City
ORD Chicago O'Hare Intl - SGN Ho Chi Minh City
ORDSGN
Chicago O'Hare Intl
Sun 10/4
6:40 am-11:15 pm
2 stops28h 35m
Ho Chi Minh City
Tue 10/20
7:30 am-9:30 am
1 stop38h 00m
$981
ChicagoHo Chi Minh City
ORD Chicago O'Hare Intl - SGN Ho Chi Minh City
ORDSGN
Chicago O'Hare Intl
Wed 11/4
6:30 am-11:20 pm
2 stops27h 50m
Ho Chi Minh City
Sat 11/14
2:05 pm-8:30 am
1 stop31h 25m
$981
Quickest round-trip
ChicagoHo Chi Minh City
ORD Chicago O'Hare Intl - SGN Ho Chi Minh City
ORDSGN
Chicago O'Hare Intl
Mon 9/7
12:10 pm-10:10 pm
1 stop22h 00m
Ho Chi Minh City
Wed 9/9
11:45 pm-2:29 pm
2 stops26h 44m
$986
ChicagoHo Chi Minh City
MDW Chicago Midway - SGN Ho Chi Minh City
MDWSGN
Chicago Midway
Thu 8/13
6:05 am-10:10 pm
2 stops28h 05m
Ho Chi Minh City
Sun 9/6
11:45 pm-11:51 am
2 stops24h 06m
$990
ChicagoHo Chi Minh City
ORD Chicago O'Hare Intl - SGN Ho Chi Minh City
ORDSGN
Chicago O'Hare Intl
Sat 9/5
6:00 am-10:05 pm
3 stops28h 05m
Ho Chi Minh City
Sun 9/20
11:15 pm-4:29 pm
2 stops29h 14m
$1,000
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Illinois to Vietnam
Have a flexible travel schedule? Discover the best time to fly to Vietnam from Illinois with our price prediction graph.
ORD-HAN
ORD-SGN
ORD-DAD
MDW-HAN
STL-HAN
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 Vietnam
USIL-VN0
ORD-HAN
ORD-SGN
ORD-DAD
MDW-HAN
What is the cheapest month to book a flight from Illinois to Vietnam?
Currently, September is the cheapest month in which you can book a flight from Illinois to Vietnam (average of $944). Flying from Illinois to Vietnam in December is currently the most expensive (average of $1,512). 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.
How far ahead should I book a flight from Illinois to Vietnam?
The price you pay for your flight from Illinois to Vietnam may vary depending on when you book. For the best chance of a lower fare, look to book 70 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Related info for your journey
Find useful and relevant information for your journey from Illinois to Vietnam. 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
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Alternative routes for Illinois to Vietnam
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Vietnam by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Illinois to Vietnam by cabin class
Find flights from Illinois to Vietnam, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Illinois and Vietnam flights
Browse other Illinois and Vietnam flight options. Last updated on August 8, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Vietnam
Find the right flight back to Illinois after your stay in Vietnam
Illinois to Vietnam flights
Consider these flights traveling from Illinois to Vietnam.
Fly to Vietnam regions
Consider these flights traveling to Vietnam regions.
Top 10 airlines flying from Illinois to Vietnam
Discover the top 10 airlines that operate flights from Illinois to Vietnam. 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 August 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$650 | Average$1,144 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$662 | Average$912 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$681 | Average$1,318 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$684 | Average$967 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$761 | Average$1,084 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$774 | Average$1,158 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$801 | Average$1,034 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$806 | Average$1,053 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$845 | Average$1,119 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$852 | Average$984 | FlexibilityNo cancel fee | On-time60% |