$443+ 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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SGN
Dec 5 — Dec 121
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 November 5, 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 November 5, 2026.
This Gotogate deal was found by Cheapflights users on 11/1. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2811:10 am -
1 stop21h 30m
Mon 12/1411:00 pm -
1 stop22h 30m
Deal found 11/1![Korean Air logo]()
$888
This Trip.com deal was found by Cheapflights users on 11/2. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/104:25 pm -
1 stop40h 30m
Mon 12/712:30 am -
3 stops37h 24m
Deal found 11/2![Multiple Airlines logo]()
$889
This IEagle deal was found by Cheapflights users on 11/2. 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.
Sun 11/152:10 pm -
1 stop21h 20m
Mon 12/1411:45 am -
1 stop37h 45m
Deal found 11/2![Cathay Pacific logo]()
$915
This Delta deal was found by Cheapflights users on 11/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/28:05 am -
2 stops41h 10m
Tue 11/1711:00 pm -
1 stop22h 30m
Deal found 11/1![Delta logo]()
$919
This Delta deal was found by Cheapflights users on 11/2. 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.
Mon 11/168:04 am -
2 stops26h 46m
Mon 12/1411:40 pm -
1 stop21h 50m
Deal found 11/2![Delta logo]()
$919
This United Airlines deal was found by Cheapflights users on 11/2. 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 11/104:25 pm -
1 stop40h 30m
Tue 12/87:30 am -
1 stop20h 20m
Deal found 11/2![United Airlines logo]()
$921
This United Airlines deal was found by Cheapflights users on 11/2. 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 11/1610:40 am -
1 stop24h 35m
Mon 12/1411:30 pm -
1 stop20h 50m
Deal found 11/2![United Airlines logo]()
$923
This United Airlines deal was found by Cheapflights users on 11/3. 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.
Mon 11/307:00 am -
2 stops27h 10m
Mon 12/1411:30 pm -
1 stop28h 40m
Deal found 11/3![United Airlines logo]()
$924
This United Airlines deal was found by Cheapflights users on 11/4. 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.
Sun 11/2910:25 pm -
2 stops35h 45m
Tue 12/157:30 am -
1 stop19h 20m
Deal found 11/4![United Airlines logo]()
$926
This United Airlines deal was found by Cheapflights users on 11/2. 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.
Sun 11/159:57 pm -
2 stops37h 18m
Mon 12/1411:30 pm -
1 stop28h 40m
Deal found 11/2![United Airlines logo]()
$927
This Delta deal was found by Cheapflights users on 11/2. 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.
Mon 11/166:49 am -
2 stops28h 01m
Wed 12/211:40 pm -
2 stops34h 13m
Deal found 11/2![Delta logo]()
$930
This Delta deal was found by Cheapflights users on 11/2. 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.
Mon 11/166:00 am -
2 stops28h 50m
Wed 12/22:05 pm -
2 stops34h 59m
Deal found 11/2![Delta logo]()
$930
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 November 5, 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 November 5, 2026.
This Korean Air deal was found by Cheapflights users on 11/3. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/2312:10 pm -
1 stop36h 40m
Wed 4/77:30 am -
1 stop38h 10m
Deal found 11/3![Korean Air logo]()
$869
This Delta deal was found by Cheapflights users on 11/2. 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 1/262:25 pm -
2 stops34h 50m
Tue 2/163:45 pm -
1 stop29h 45m
Deal found 11/2![Delta logo]()
$919
This United Airlines deal was found by Cheapflights users on 11/2. 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 11/307:00 am -
2 stops27h 10m
Mon 12/1411:30 pm -
1 stop28h 40m
Deal found 11/2![United Airlines logo]()
$924
This Cathay Pacific deal was found by Cheapflights users on 10/30. 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 stop30h 35m
Mon 11/1610:30 am -
1 stop39h 00m
Deal found 10/30![Cathay Pacific logo]()
$1,084
This China Airlines deal was found by Cheapflights users on 11/4. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/63:50 pm -
2 stops29h 45m
Mon 1/185:30 pm -
2 stops25h 25m
Deal found 11/4![Multiple Airlines logo]()
$1,270
This Turkish Airlines deal was found by Cheapflights users on 10/31. 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.
Wed 12/308:15 pm -
1 stop30h 10m
Sun 1/1710:55 pm -
1 stop32h 25m
Deal found 10/31![Turkish Airlines logo]()
$1,403
This Delta deal was found by Cheapflights users on 11/2. 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.
Wed 1/202:25 pm -
2 stops34h 50m
Tue 2/163:45 pm -
1 stop29h 45m
Deal found 11/2![Delta logo]()
$919
This United Airlines deal was found by Cheapflights users on 11/2. 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 1/77:00 am -
2 stops27h 10m
Mon 4/127:00 am -
3 stops28h 57m
Deal found 11/2![United Airlines logo]()
$948
This Delta deal was found by Cheapflights users on 11/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/272:25 pm -
2 stops34h 50m
Wed 2/311:00 pm -
1 stop22h 30m
Deal found 11/1![Delta logo]()
$919
This United Airlines deal was found by Cheapflights users on 11/3. 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 1/179:47 pm -
3 stops36h 23m
Wed 2/36:00 am -
3 stops28h 33m
Deal found 11/3![United Airlines logo]()
$948
This Delta deal was found by Cheapflights users on 11/3. 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 3/236:30 am -
2 stops27h 55m
Wed 4/71:55 pm -
1 stop31h 45m
Deal found 11/3![Delta logo]()
$919
This United Airlines deal was found by Cheapflights users on 11/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/318:20 pm -
2 stops37h 50m
Sat 3/207:30 am -
2 stops34h 35m
Deal found 11/1![United Airlines logo]()
$993
This Delta deal was found by Cheapflights users on 10/30. 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 3/1512:10 pm -
1 stop38h 05m
Tue 4/610:55 pm -
2 stops36h 51m
Deal found 10/30![Delta logo]()
$925
This China Airlines deal was found by Cheapflights users on 11/1. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/113:50 pm -
2 stops29h 10m
Sat 3/205:15 pm -
2 stops24h 40m
Deal found 11/1![Multiple Airlines logo]()
$1,280
This United Airlines deal was found by Cheapflights users on 11/4. 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.
Fri 3/195:25 pm -
1 stop40h 30m
Tue 4/67:00 am -
3 stops27h 44m
Deal found 11/4![United Airlines logo]()
$994
This Delta deal was found by Cheapflights users on 11/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/212:20 pm -
2 stops34h 55m
Sun 3/143:45 pm -
2 stops36h 52m
Deal found 11/1![Delta logo]()
$930
This Ovago deal was found by Cheapflights users on 11/2. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/25:00 am -
2 stops29h 10m
Tue 3/307:00 am -
2 stops28h 01m
Deal found 11/2![Multiple Airlines logo]()
$1,311
This United Airlines deal was found by Cheapflights users on 11/4. 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.
Sun 1/108:20 pm -
3 stops37h 50m
Tue 2/96:00 am -
3 stops27h 03m
Deal found 11/4![United Airlines logo]()
$998
This Delta deal was found by Cheapflights users on 10/30. 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 3/1111:10 am -
1 stop21h 30m
Fri 4/210:55 pm -
2 stops36h 51m
Deal found 10/30![Delta logo]()
$975
This China Airlines deal was found by Cheapflights users on 11/4. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/23:45 pm -
2 stops29h 50m
Wed 12/911:35 am -
2 stops31h 10m
Deal found 11/4![Multiple Airlines logo]()
$1,321
This Korean Air deal was found by Cheapflights users on 11/2. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/128:29 am -
2 stops24h 56m
Mon 11/1611:45 pm -
2 stops34h 48m
Deal found 11/2![Korean Air logo]()
$1,601
This Delta deal was found by Cheapflights users on 11/4. 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.
Thu 2/1811:10 am -
1 stop36h 40m
Wed 2/242:05 pm -
2 stops40h 26m
Deal found 11/4![Delta logo]()
$975
This China Airlines deal was found by Cheapflights users on 11/2. 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.
Sat 1/96:20 pm -
2 stops27h 15m
Sat 1/305:30 pm -
2 stops31h 40m
Deal found 11/2![Multiple Airlines logo]()
$1,348
This Delta deal was found by Cheapflights users on 10/30. 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 2/77:59 pm -
2 stops36h 41m
Thu 2/253:45 pm -
2 stops38h 36m
Deal found 10/30![Delta logo]()
$980
This United Airlines deal was found by Cheapflights users on 11/3. 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 12/15:00 am -
3 stops29h 10m
Tue 3/307:00 am -
3 stops46h 41m
Deal found 11/3![United Airlines logo]()
$1,211
This China Airlines deal was found by Cheapflights users on 10/31. 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 1/236:20 pm -
2 stops26h 40m
Sat 1/3011:00 am -
2 stops31h 55m
Deal found 10/31![Multiple Airlines logo]()
$1,355
This Delta deal was found by Cheapflights users on 11/3. 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 4/59:55 am -
2 stops24h 15m
Tue 5/117:30 am -
2 stops26h 40m
Deal found 11/3![Delta logo]()
$980
This China Airlines deal was found by Cheapflights users on 11/1. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/306:05 pm -
2 stops26h 55m
Mon 12/145:15 pm -
2 stops25h 40m
Deal found 11/1![Multiple Airlines logo]()
$1,355
This United Airlines deal was found by Cheapflights users on 11/2. 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 12/25:00 am -
3 stops29h 10m
Tue 3/307:00 am -
3 stops25h 58m
Deal found 11/2![United Airlines logo]()
$1,261
This Delta deal was found by Cheapflights users on 11/3. 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 2/26:00 am -
2 stops43h 15m
Thu 3/113:45 pm -
1 stop29h 45m
Deal found 11/3![Delta logo]()
$1,019
Last-minute flights from Illinois to VietnamDiscover last-minute flight deals from Illinois to Vietnam. Data last updated November 5, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Vietnam. Data last updated November 5, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 11/2. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/104:25 pm -
1 stop40h 30m
Mon 12/712:30 am -
3 stops37h 24m
Deal found 11/2![Multiple Airlines logo]()
$889
This United Airlines deal was found by Cheapflights users on 11/2. 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 11/104:25 pm -
1 stop40h 30m
Tue 12/87:30 am -
1 stop20h 20m
Deal found 11/2![United Airlines logo]()
$921
This United Airlines deal was found by Cheapflights users on 11/2. 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 11/124:25 pm -
1 stop40h 30m
Mon 11/167:30 am -
2 stops30h 29m
Deal found 11/2![United Airlines logo]()
$932
This IEagle deal was found by Cheapflights users on 11/2. 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.
Sun 11/152:10 pm -
1 stop21h 20m
Mon 12/1411:45 am -
1 stop37h 45m
Deal found 11/2![Cathay Pacific logo]()
$915
This United Airlines deal was found by Cheapflights users on 11/2. 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.
Sun 11/159:57 pm -
2 stops37h 18m
Sun 12/1311:30 pm -
1 stop28h 40m
Deal found 11/2![United Airlines logo]()
$927
This Delta deal was found by Cheapflights users on 11/2. 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.
Mon 11/166:49 am -
2 stops28h 01m
Wed 12/27:55 am -
1 stop37h 35m
Deal found 11/2![Delta logo]()
$919
This United Airlines deal was found by Cheapflights users on 11/2. 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 11/1610:40 am -
1 stop24h 35m
Mon 12/1411:30 pm -
1 stop20h 50m
Deal found 11/2![United Airlines logo]()
$923
This Delta deal was found by Cheapflights users on 11/2. 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.
Mon 11/166:00 am -
2 stops28h 50m
Wed 12/22:05 pm -
2 stops34h 59m
Deal found 11/2![Delta logo]()
$930
This Gotogate deal was found by Cheapflights users on 11/1. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2811:10 am -
1 stop21h 30m
Mon 12/1411:00 pm -
1 stop22h 30m
Deal found 11/1![Korean Air logo]()
$888
This United Airlines deal was found by Cheapflights users on 11/4. 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.
Sun 11/2910:25 pm -
2 stops35h 45m
Tue 12/157:30 am -
1 stop19h 20m
Deal found 11/4![United Airlines logo]()
$926
This United Airlines deal was found by Cheapflights users on 11/3. 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.
Mon 11/307:00 am -
2 stops27h 10m
Mon 12/1411:30 pm -
1 stop28h 40m
Deal found 11/3![United Airlines logo]()
$924
This American Airlines deal was found by Cheapflights users on 11/2. 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.
Wed 12/26:59 am -
2 stops26h 26m
Wed 12/911:55 pm -
2 stops31h 35m
Deal found 11/2![American Airlines logo]()
$944
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 November 5, 2026.
Search for one-way flight options from Illinois to Vietnam. Find affordable one-way fares based on user searches. Data last updated November 5, 2026.
This Booking.com deal was found by Cheapflights users on 11/1. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/154:15 pm -
1 stop37h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Cathay Pacific logo]()
$443
This Booking.com deal was found by Cheapflights users on 11/3. 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.
Tue 3/92:10 pm -
1 stop38h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Cathay Pacific logo]()
$444
This Expedia deal was found by Cheapflights users on 11/3. 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.
Tue 2/92:10 pm -
1 stop38h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Cathay Pacific logo]()
$446
This FlightHub deal was found by Cheapflights users on 11/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/192:10 pm -
1 stop39h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Cathay Pacific logo]()
$448
This Korean Air deal was found by Cheapflights users on 11/3. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1712:10 pm -
1 stop38h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Korean Air logo]()
$449
This Delta deal was found by Cheapflights users on 11/3. 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 2/87:59 pm -
2 stops29h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Delta logo]()
$452
This Delta deal was found by Cheapflights users on 11/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/178:29 am -
2 stops24h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Delta logo]()
$454
This Delta deal was found by Cheapflights users on 10/31. 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 11/223:59 pm -
2 stops40h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/31![Delta logo]()
$465
This Delta deal was found by Cheapflights users on 11/3. 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.
Sun 1/242:25 pm -
2 stops34h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Delta logo]()
$477
This IEagle deal was found by Cheapflights users on 11/2. 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.
Sun 1/311:15 pm -
1 stop27h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Etihad Airways logo]()
$477
This FlightHub deal was found by Cheapflights users on 11/2. 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 1/197:00 am -
2 stops27h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![ANA logo]()
$486
This oojo deal was found by Cheapflights users on 11/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/261:15 pm -
1 stop39h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Etihad Airways logo]()
$487
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 November 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $866 (IEagle) |
One-way from | $443 (Booking.com) |
Popular in | June |
Cheapest in | October |
Average price | $1,078 |
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 November 5, 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
ChicagoDa Nang
ORD Chicago O'Hare Intl - DAD Da Nang
ORDDAD
Chicago O'Hare Intl
Wed 3/10
5:30 am-9:40 pm
2 stops27h 10m
Da Nang
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$452
ChicagoDa Nang
ORD Chicago O'Hare Intl - DAD Da Nang
ORDDAD
Chicago O'Hare Intl
Sun 1/24
2:25 pm-2:15 pm
2 stops34h 50m
Da Nang
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$477
ChicagoDa Nang
ORD Chicago O'Hare Intl - DAD Da Nang
ORDDAD
Chicago O'Hare Intl
Sun 2/14
5:00 pm-9:40 pm
2 stops39h 40m
Da Nang
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$488
ChicagoDa Nang
ORD Chicago O'Hare Intl - DAD Da Nang
ORDDAD
Chicago O'Hare Intl
Thu 3/18
7:10 am-9:40 pm
2 stops26h 30m
Da Nang
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$502
ChicagoPhu Quoc
ORD Chicago O'Hare Intl - PQC Phu Quoc Duong Dang
ORDPQC
Chicago O'Hare Intl
Mon 11/16
6:23 am-10:25 pm
2 stops27h 02m
Phu Quoc Duong Dang
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$504
ChicagoHo Chi Minh City
ORD Chicago O'Hare Intl - SGN Ho Chi Minh City
ORDSGN
Chicago O'Hare Intl
Wed 11/25
6:00 am-11:10 pm
2 stops28h 10m
Ho Chi Minh City
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$505
ChicagoHo Chi Minh City
ORD Chicago O'Hare Intl - SGN Ho Chi Minh City
ORDSGN
Chicago O'Hare Intl
Wed 1/27
7:00 am-11:10 pm
2 stops27h 10m
Ho Chi Minh City
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$505
ChicagoDa Nang
ORD Chicago O'Hare Intl - DAD Da Nang
ORDDAD
Chicago O'Hare Intl
Sat 4/17
5:55 pm-9:05 pm
2 stops39h 10m
Da Nang
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$514
ChicagoHo Chi Minh City
MDW Chicago Midway - SGN Ho Chi Minh City
MDWSGN
Chicago Midway
Mon 12/7
6:00 am-12:50 pm
2 stops41h 50m
Ho Chi Minh City
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$529
ChicagoHanoi
ORD Chicago O'Hare Intl - HAN Hanoi Noibai
ORDHAN
Chicago O'Hare Intl
Fri 11/27
11:10 am-11:10 am
1 stop35h 00m
Hanoi Noibai
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$536
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-DAD
ORD-SGN
MDW-SGN
ORD-HAN
ORD-PQC
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-DAD
ORD-SGN
MDW-SGN
ORD-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 $965). Flying from Illinois to Vietnam in June is currently the most expensive (average of $1,494). 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.
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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 November 5, 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 November 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$658 | Average$1,005 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$662 | Average$912 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$773 | Average$1,030 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$780 | Average$998 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$792 | Average$994 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$801 | Average$1,030 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$820 | Average$1,447 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$843 | Average$1,135 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$845 | Average$1,232 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$862 | Average$1,118 | FlexibilityNo cancel fee | On-time69% |