$425+ Cheap flights from Illinois to Vietnam
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/7. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SGN
Oct 8 — Oct 151
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Illinois to Vietnam with Cheapflights
1. Tell us where you want to go
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Illinois to Vietnam
Cheapest
Best
Last-minute
One-way
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 September 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 September 8, 2026.
This oojo deal was found by Cheapflights users on 9/4. 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 05m
Deal found 9/4![Cathay Pacific logo]()
$861
This oojo deal was found by Cheapflights users on 9/4. 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.
Mon 10/194:15 pm -
1 stop29h 05m
Mon 11/2312:25 pm -
1 stop37h 05m
Deal found 9/4![Cathay Pacific logo]()
$862
This lastminute.com deal was found by Cheapflights users on 9/3. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/74:00 pm -
1 stop29h 55m
Sun 9/207:10 pm -
1 stop30h 45m
Deal found 9/3![Cathay Pacific logo]()
$866
This oojo deal was found by Cheapflights users on 9/4. 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 stop29h 40m
Wed 10/217:10 pm -
1 stop30h 45m
Deal found 9/4![Cathay Pacific logo]()
$867
This FlightHub deal was found by Cheapflights users on 9/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2810:15 am -
2 stops40h 45m
Mon 11/1611:20 pm -
3 stops45h 20m
Deal found 9/5![Ethiopian Air logo]()
$869
This United Airlines deal was found by Cheapflights users on 9/7. 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 11/124:25 pm -
1 stop40h 25m
Mon 11/167:30 am -
1 stop20h 20m
Deal found 9/7![United Airlines logo]()
$871
This Justfly.com deal was found by Cheapflights users on 9/8. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/84:00 pm -
1 stop37h 20m
Tue 9/296:20 pm -
1 stop31h 35m
Deal found 9/8![Cathay Pacific logo]()
$873
This United Airlines deal was found by Cheapflights users on 9/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/165:55 am -
2 stops26h 55m
Wed 11/2511:05 pm -
1 stop21h 15m
Deal found 9/8![United Airlines logo]()
$874
This United Airlines deal was found by Cheapflights users on 9/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:00 am -
2 stops27h 05m
Mon 10/267:30 am -
1 stop20h 20m
Deal found 9/8![United Airlines logo]()
$875
This United Airlines deal was found by Cheapflights users on 9/6. 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.
Tue 10/69:52 pm -
2 stops36h 03m
Tue 10/137:00 am -
1 stop19h 55m
Deal found 9/6![United Airlines logo]()
$876
This United Airlines deal was found by Cheapflights users on 9/3. 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.
Sun 9/209:40 pm -
2 stops38h 35m
Tue 10/2011:15 pm -
1 stop27h 50m
Deal found 9/3![United Airlines logo]()
$877
This Justfly.com deal was found by Cheapflights users on 9/3. 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 10/273:10 pm -
1 stop39h 05m
Mon 11/167:25 pm -
1 stop30h 05m
Deal found 9/3![Cathay Pacific logo]()
$878
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 September 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 September 8, 2026.
This United Airlines deal was found by Cheapflights users on 9/6. 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.
Thu 11/124:25 pm -
1 stop40h 25m
Mon 11/167:30 am -
1 stop20h 20m
Deal found 9/6![United Airlines logo]()
$871
This Cathay Pacific deal was found by Cheapflights users on 9/4. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/122:10 pm -
1 stop38h 55m
Mon 11/166:55 pm -
1 stop30h 35m
Deal found 9/4![Cathay Pacific logo]()
$894
This Etihad Airways deal was found by Cheapflights users on 9/5. 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.
Tue 1/51:10 pm -
1 stop40h 00m
Wed 2/37:40 am -
1 stop37h 15m
Deal found 9/5![Etihad Airways logo]()
$973
This Delta deal was found by Cheapflights users on 9/3. 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.
Wed 9/309:29 am -
2 stops25h 46m
Wed 10/77:30 am -
2 stops27h 03m
Deal found 9/3![Delta logo]()
$979
This Etihad Airways deal was found by Cheapflights users on 9/4. 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.
Sun 1/171:47 pm -
2 stops27h 08m
Wed 2/37:40 am -
1 stop37h 15m
Deal found 9/4![Multiple Airlines logo]()
$1,028
This oojo deal was found by Cheapflights users on 9/3. 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 11/97:26 am -
2 stops39h 54m
Mon 11/167:10 pm -
2 stops36h 07m
Deal found 9/3![Qatar Airways logo]()
$1,038
This Korean Air deal was found by Cheapflights users on 9/6. 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.
Sun 11/811:10 am -
1 stop22h 15m
Wed 11/1111:45 pm -
1 stop21h 45m
Deal found 9/6![Korean Air logo]()
$1,116
This oojo deal was found by Cheapflights users on 9/7. 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 10/224:42 pm -
2 stops29h 48m
Thu 10/2911:35 am -
2 stops40h 09m
Deal found 9/7![China Airlines logo]()
$1,174
This EVA Air deal was found by Cheapflights users on 9/6. 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1112:30 am -
1 stop23h 05m
Thu 10/1512:55 pm -
1 stop19h 50m
Deal found 9/6![EVA Air logo]()
$1,238
This Turkish Airlines deal was found by Cheapflights users on 9/6. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1211:25 am -
2 stops45h 35m
Thu 10/156:05 pm -
2 stops27h 35m
Deal found 9/6![Turkish Airlines logo]()
$1,497
This United Airlines deal was found by Cheapflights users on 9/4. 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.
Mon 11/307:00 am -
2 stops26h 55m
Mon 12/1411:05 pm -
1 stop29h 05m
Deal found 9/4![United Airlines logo]()
$874
This United Airlines deal was found by Cheapflights users on 9/7. 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.
Wed 10/146:00 am -
2 stops28h 05m
Mon 10/1911:15 pm -
1 stop27h 50m
Deal found 9/7![United Airlines logo]()
$874
This Delta deal was found by Cheapflights users on 9/7. 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.
Tue 10/1310:12 am -
2 stops25h 03m
Mon 10/191:55 pm -
2 stops34h 52m
Deal found 9/7![Delta logo]()
$979
This Etihad Airways deal was found by Cheapflights users on 9/5. 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.
Sat 1/91:10 pm -
1 stop27h 45m
Sat 2/67:40 am -
1 stop37h 15m
Deal found 9/5![Etihad Airways logo]()
$984
This Trip.com deal was found by Cheapflights users on 9/5. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/112:45 pm -
2 stops40h 50m
Fri 11/68:45 am -
2 stops39h 15m
Deal found 9/5![Multiple Airlines logo]()
$1,044
This United Airlines deal was found by Cheapflights users on 9/3. 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.
Thu 10/157:00 am -
2 stops26h 55m
Thu 10/297:30 am -
1 stop20h 20m
Deal found 9/3![United Airlines logo]()
$875
This Delta deal was found by Cheapflights users on 9/7. 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.
Wed 2/175:25 pm -
2 stops30h 25m
Wed 2/242:05 pm -
2 stops35h 28m
Deal found 9/7![Delta logo]()
$979
This Etihad Airways deal was found by Cheapflights users on 9/8. 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.
Wed 10/78:25 pm -
2 stops27h 40m
Wed 10/281:05 pm -
2 stops31h 50m
Deal found 9/8![Multiple Airlines logo]()
$1,050
This Korean Air deal was found by Cheapflights users on 9/4. 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.
Mon 1/2511:10 am -
1 stop21h 20m
Mon 2/153:45 pm -
1 stop29h 45m
Deal found 9/4![Korean Air logo]()
$1,168
This United Airlines deal was found by Cheapflights users on 9/6. 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 10/46:00 am -
2 stops28h 05m
Tue 10/2011:15 pm -
1 stop27h 50m
Deal found 9/6![United Airlines logo]()
$924
This Delta deal was found by Cheapflights users on 9/3. 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 10/196:08 pm -
2 stops39h 27m
Wed 11/1811:05 pm -
2 stops35h 42m
Deal found 9/3![Delta logo]()
$1,019
This Korean Air deal was found by Cheapflights users on 9/5. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/1811:10 am -
1 stop21h 20m
Mon 2/153:45 pm -
1 stop29h 45m
Deal found 9/5![Korean Air logo]()
$1,168
This Cathay Pacific deal was found by Cheapflights users on 9/7. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/292:10 pm -
1 stop30h 10m
Thu 1/2110:20 am -
1 stop39h 10m
Deal found 9/7![Cathay Pacific logo]()
$1,286
This Cathay Pacific deal was found by Cheapflights users on 9/7. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/236:00 am -
2 stops29h 30m
Sun 12/67:45 pm -
2 stops36h 37m
Deal found 9/7![Multiple Airlines logo]()
$1,076
This Delta deal was found by Cheapflights users on 9/3. 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 10/197:00 am -
2 stops26h 35m
Tue 11/1711:05 pm -
2 stops24h 34m
Deal found 9/3![Delta logo]()
$1,019
This United Airlines deal was found by Cheapflights users on 9/7. 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 2/29:27 pm -
3 stops36h 28m
Sat 2/136:00 am -
2 stops29h 27m
Deal found 9/7![United Airlines logo]()
$948
This Korean Air deal was found by Cheapflights users on 9/5. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/127:05 am -
2 stops39h 05m
Mon 11/1612:20 pm -
2 stops41h 23m
Deal found 9/5![Korean Air logo]()
$1,185
This Cathay Pacific deal was found by Cheapflights users on 9/6. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/95:05 am -
2 stops40h 00m
Mon 11/1611:15 am -
2 stops42h 28m
Deal found 9/6![Multiple Airlines logo]()
$1,084
This Delta deal was found by Cheapflights users on 9/3. 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.
Tue 10/2010:12 am -
2 stops23h 23m
Tue 11/1712:20 pm -
2 stops37h 31m
Deal found 9/3![Delta logo]()
$1,019
This United Airlines deal was found by Cheapflights users on 9/7. 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 11/229:47 pm -
3 stops36h 08m
Sat 12/126:00 am -
2 stops24h 00m
Deal found 9/7![United Airlines logo]()
$948
Last-minute flights from Illinois to VietnamDiscover last-minute flight deals from Illinois to Vietnam. Data last updated September 8, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Vietnam. Data last updated September 8, 2026 and is based on user searches.
This Justfly.com deal was found by Cheapflights users on 9/8. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/84:00 pm -
1 stop37h 20m
Tue 9/296:20 pm -
1 stop31h 35m
Deal found 9/8![Cathay Pacific logo]()
$873
This United Airlines deal was found by Cheapflights users on 9/3. 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.
Sun 9/209:40 pm -
2 stops38h 35m
Tue 10/2011:15 pm -
1 stop27h 50m
Deal found 9/3![United Airlines logo]()
$877
This United Airlines deal was found by Cheapflights users on 9/3. 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 9/2312:00 pm -
1 stop21h 55m
Tue 10/137:00 am -
1 stop19h 55m
Deal found 9/3![United Airlines logo]()
$871
This United Airlines deal was found by Cheapflights users on 9/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/306:00 am -
2 stops28h 05m
Wed 10/711:15 pm -
1 stop21h 25m
Deal found 9/8![United Airlines logo]()
$874
This United Airlines deal was found by Cheapflights users on 9/6. 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.
Tue 10/69:52 pm -
2 stops36h 03m
Tue 10/137:00 am -
1 stop19h 55m
Deal found 9/6![United Airlines logo]()
$876
This oojo deal was found by Cheapflights users on 9/4. 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 stop30h 50m
Mon 10/1210:05 am -
1 stop39h 50m
Deal found 9/4![Cathay Pacific logo]()
$861
This oojo deal was found by Cheapflights users on 9/4. 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 55m
Wed 10/217:10 pm -
1 stop30h 45m
Deal found 9/4![Cathay Pacific logo]()
$866
This oojo deal was found by Cheapflights users on 9/4. 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 stop29h 40m
Wed 10/217:10 pm -
1 stop30h 45m
Deal found 9/4![Cathay Pacific logo]()
$867
This United Airlines deal was found by Cheapflights users on 9/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:00 am -
2 stops27h 05m
Mon 10/267:30 am -
1 stop20h 20m
Deal found 9/8![United Airlines logo]()
$875
This oojo deal was found by Cheapflights users on 9/4. 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.
Mon 10/194:15 pm -
1 stop29h 05m
Mon 11/2312:25 pm -
1 stop37h 05m
Deal found 9/4![Cathay Pacific logo]()
$862
This Justfly.com deal was found by Cheapflights users on 9/3. 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 10/273:10 pm -
1 stop39h 05m
Mon 11/167:25 pm -
1 stop30h 05m
Deal found 9/3![Cathay Pacific logo]()
$878
This FlightHub deal was found by Cheapflights users on 9/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2810:15 am -
2 stops40h 45m
Mon 11/1611:20 pm -
3 stops45h 20m
Deal found 9/5![Ethiopian Air logo]()
$869
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 September 8, 2026.
Search for one-way flight options from Illinois to Vietnam. Find affordable one-way fares based on user searches. Data last updated September 8, 2026.
This IEagle deal was found by Cheapflights users on 9/5. 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 IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/71:10 pm -
1 stop40h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Etihad Airways logo]()
$425
This oojo deal was found by Cheapflights users on 9/6. 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.
Wed 2/241:10 pm -
1 stop27h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Etihad Airways logo]()
$436
This oojo deal was found by Cheapflights users on 9/5. 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.
Sun 2/211:10 pm -
1 stop40h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Etihad Airways logo]()
$441
This oojo deal was found by Cheapflights users on 9/5. 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 9/144:00 pm -
1 stop37h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Cathay Pacific logo]()
$442
This oojo deal was found by Cheapflights users on 9/6. 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 9/154:00 pm -
1 stop38h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Cathay Pacific logo]()
$442
This oojo deal was found by Cheapflights users on 9/6. 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 9/144:00 pm -
1 stop20h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Cathay Pacific logo]()
$442
This Kiwi.com deal was found by Cheapflights users on 9/4. 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.
Mon 11/22:10 pm -
1 stop30h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Cathay Pacific logo]()
$445
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 11/92:10 pm -
1 stop30h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Cathay Pacific logo]()
$446
This FlightHub deal was found by Cheapflights users on 9/7. 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 9/174:15 pm -
1 stop30h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Cathay Pacific logo]()
$448
This FlightHub deal was found by Cheapflights users on 9/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/252:10 pm -
1 stop21h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Cathay Pacific logo]()
$448
This United Airlines deal was found by Cheapflights users on 9/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/85:45 pm -
1 stop40h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![United Airlines logo]()
$451
This Expedia deal was found by Cheapflights users on 9/4. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/14:25 pm -
1 stop40h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![ANA logo]()
$453
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 September 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $853 (IEagle) |
One-way from | $425 (IEagle) |
Popular in | June |
Cheapest in | April |
Average price | $944 |
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 7,457,451 searches. Data last updated September 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
Mon 10/5
11:50 am-12:15 am
1 stop24h 25m
Ho Chi Minh City
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$454
ChicagoHo Chi Minh City
ORD Chicago O'Hare Intl - SGN Ho Chi Minh City
ORDSGN
Chicago O'Hare Intl
Wed 10/14
6:00 am-10:05 pm
2 stops28h 05m
Ho Chi Minh City
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$455
ChicagoHo Chi Minh City
ORD Chicago O'Hare Intl - SGN Ho Chi Minh City
ORDSGN
Chicago O'Hare Intl
Tue 11/17
7:00 am-10:55 pm
2 stops26h 55m
Ho Chi Minh City
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$455
ChicagoHo Chi Minh City
ORD Chicago O'Hare Intl - SGN Ho Chi Minh City
ORDSGN
Chicago O'Hare Intl
Wed 2/17
6:04 pm-10:55 pm
3 stops39h 51m
Ho Chi Minh City
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$455
ChicagoHo Chi Minh City
ORD Chicago O'Hare Intl - SGN Ho Chi Minh City
ORDSGN
Chicago O'Hare Intl
Tue 12/1
5:58 am-10:55 pm
2 stops27h 57m
Ho Chi Minh City
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$455
ChicagoHo Chi Minh City
ORD Chicago O'Hare Intl - SGN Ho Chi Minh City
ORDSGN
Chicago O'Hare Intl
Sun 11/1
6:07 pm-10:55 pm
3 stops39h 48m
Ho Chi Minh City
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$455
ChicagoHo Chi Minh City
ORD Chicago O'Hare Intl - SGN Ho Chi Minh City
ORDSGN
Chicago O'Hare Intl
Thu 10/22
7:00 am-10:05 pm
2 stops27h 05m
Ho Chi Minh City
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$455
ChicagoDa Nang
ORD Chicago O'Hare Intl - DAD Da Nang
ORDDAD
Chicago O'Hare Intl
Sun 1/24
2:10 pm-5:45 pm
1 stop38h 35m
Da Nang
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$504
ChicagoHo Chi Minh City
MDW Chicago Midway - SGN Ho Chi Minh City
MDWSGN
Chicago Midway
Tue 10/20
9:29 am-12:35 pm
2 stops39h 06m
Ho Chi Minh City
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$504
ChicagoHo Chi Minh City
MDW Chicago Midway - SGN Ho Chi Minh City
MDWSGN
Chicago Midway
Mon 11/23
1:05 pm-11:50 pm
2 stops45h 45m
Ho Chi Minh City
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$504
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-SGN
ORD-PQC
ORD-HAN
MDW-SGN
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-SGN
ORD-PQC
ORD-HAN
MDW-SGN
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 $958). Flying from Illinois to Vietnam in December is currently the most expensive (average of $1,498). 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 57 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
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Return Flight Options
Top destinations
Top regions
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 September 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 7,457,451 searches. Data last updated September 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$658 | Average$1,086 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$662 | Average$912 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$681 | Average$1,316 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$774 | Average$1,161 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$785 | Average$1,149 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$792 | Average$988 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$801 | Average$1,040 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$822 | Average$1,052 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$852 | Average$1,004 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$855 | Average$1,117 | FlexibilityNo cancel fee | On-time69% |