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$466+ 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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SGN
may. 17 — may. 241
sáb. 5/17
sáb. 5/24
1 adult, Economy
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Cheap flight deals from Illinois to Vietnam

Keep the following information in mind while searching for Illinois to Vietnam flight deals. Data was last updated mayo 12, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$921
(United Airlines)

One-way from

$466
(Gurufare)

Popular in

June

Cheapest in

September

Average price

$1,266
Provider with most accurate pricing for Chicago (CHI)-Ho Chi Minh City flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Ho Chi Minh City flights.
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From Illinois to Vietnam
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One-way flight from Illinois to Vietnam
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Highest demand for flights based on searches. 21% potential increase in price ($327 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($55 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Find flight deals from Illinois to Vietnam

Cheapest flights from Illinois to Vietnam
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 mayo 12, 2025.

This oojo deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” 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.
lun. 8/1112:30 pmORD - HAN
1 stop21h 05mKorean Air
mié. 10/1511:10 pmHAN - ORD
1 stop22h 20mKorean Air
Deal found 5/11$794
This Gurufare deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/136:30 amORD - HAN
2 stops27h 45mANA
mar. 7/2211:35 pmHAN - ORD
1 stop27h 20mANA
Deal found 5/11$830
This United Airlines deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” 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.
mar. 5/137:00 amORD - HAN
2 stops27h 15mUnited Airlines
mar. 7/2211:35 pmHAN - ORD
2 stops35h 24mUnited Airlines
Deal found 5/11$836
This FlightHub deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” 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.
mié. 11/511:05 amORD - HAN
1 stop21h 35mMultiple Airlines
sáb. 11/2211:30 pmHAN - ORD
1 stop22h 00mMultiple Airlines
Deal found 5/11$848
This oojo deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” 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.
mar. 12/28:20 pmORD - HAN
1 stop22h 00mTurkish Airlines
mié. 12/1010:55 pmHAN - ORD
1 stop32h 30mTurkish Airlines
Deal found 5/12$873
This Delta deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” 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.
mié. 11/57:30 amORD - HAN
2 stops25h 10mDelta
dom. 11/2312:20 pmHAN - ORD
2 stops24h 27mDelta
Deal found 5/11$880
This Booking.com deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” 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.
lun. 9/112:40 pmORD - DAD
1 stop36h 00mMultiple Airlines
jue. 10/3012:35 amDAD - ORD
1 stop27h 35mMultiple Airlines
Deal found 5/12$885
This United Airlines deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” 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.
lun. 9/86:15 amSTL - SGN
2 stops27h 40mUnited Airlines
dom. 10/1211:15 pmSGN - STL
2 stops34h 17mUnited Airlines
Deal found 5/12$921
This FlightHub deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” 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.
jue. 9/254:00 pmORD - HAN
1 stop38h 05mCathay Pacific
sáb. 10/47:05 pmHAN - ORD
1 stop31h 20mCathay Pacific
Deal found 5/12$930
This Delta deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” 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.
lun. 9/229:30 amMDW - HAN
2 stops37h 10mDelta
lun. 11/312:20 pmHAN - MDW
2 stops37h 12mDelta
Deal found 5/11$938
This KAYAK deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/277:35 pmORD - DAD
2 stops52h 40mANA
dom. 12/712:35 amDAD - ORD
2 stops30h 18mANA
Deal found 5/12$966
This oojo deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” 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.
dom. 11/27:45 amORD - DAD
2 stops38h 55mEVA Air
mié. 11/121:00 pmDAD - ORD
1 stop19h 35mEVA Air
Deal found 5/12$983

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 mayo 12, 2025.
Use the filters below to find and compare flights from Illinois to Vietnam that are best for you.

Fly from

Illinois

Fly to

Vietnam

Route

Depart

Return

Price

St. LouisHo Chi Minh City

STL - SGN

STLSGN

Lambert-St Louis

lun. 9/8

6:15 am-9:55 pm

2 stops27h 40m

Ho Chi Minh City

dom. 10/12

11:15 pm-9:32 pm

2 stops34h 17m

$921

ChicagoHanoi

ORD - HAN

ORDHAN

Chicago O'Hare Intl

vie. 5/16

6:00 am-10:15 pm

2 stops28h 15m

Hanoi Noibai

lun. 6/16

11:35 pm-4:51 am

2 stops41h 16m

$931

ChicagoHanoi

MDW - HAN

MDWHAN

Chicago Midway

lun. 9/22

9:30 am-10:40 am

2 stops37h 10m

Hanoi Noibai

lun. 11/3

12:20 pm-12:32 pm

2 stops37h 12m

$938

ChicagoDa Nang

ORD - DAD

ORDDAD

Chicago O'Hare Intl

dom. 11/2

7:45 am-11:40 am

2 stops38h 55m

Da Nang

mié. 11/12

1:00 pm-7:35 pm

1 stop19h 35m

$983

St. LouisHo Chi Minh City

STL - SGN

STLSGN

Lambert-St Louis

lun. 9/1

8:20 am-9:55 pm

2 stops25h 35m

Ho Chi Minh City

lun. 9/22

11:15 pm-2:19 pm

2 stops27h 04m

$989

ChicagoHanoi

ORD - HAN

ORDHAN

Chicago O'Hare Intl

dom. 8/10

12:30 am-11:05 am

1 stop22h 35m

Hanoi Noibai

mié. 10/15

6:00 pm-8:45 pm

1 stop38h 45m

$989

ChicagoDa Nang

ORD - DAD

ORDDAD

Chicago O'Hare Intl

dom. 11/2

11:05 am-2:15 pm

1 stop38h 10m

Da Nang

mié. 11/12

11:20 pm-8:30 am

1 stop22h 10m

$1,011

St. LouisHo Chi Minh City

STL - SGN

STLSGN

Lambert-St Louis

mar. 9/9

6:30 pm-10:45 pm

2 stops40h 15m

Ho Chi Minh City

dom. 10/19

12:05 am-11:59 pm

2 stops35h 54m

$1,040

St. LouisHo Chi Minh City

STL - SGN

STLSGN

Lambert-St Louis

lun. 9/1

3:35 pm-11:40 am

2 stops32h 05m

Ho Chi Minh City

dom. 10/12

1:50 am-11:59 pm

2 stops58h 09m

$1,044

ChicagoHo Chi Minh City

ORD - SGN

ORDSGN

Chicago O'Hare Intl

sáb. 5/17

7:15 am-11:15 pm

2 stops28h 00m

Ho Chi Minh City

sáb. 5/24

1:55 pm-9:40 am

1 stop31h 45m

$1,060

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/11

Showing 1-10 of 60 results
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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.
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

What is the cheapest month to book a flight from Illinois to Vietnam?

Currently, March is the cheapest month in which you can book a flight from Illinois to Vietnam (average of $920). Flying from Illinois to Vietnam in June is currently the most expensive (average of $1,531). 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.

What is the cheapest time of day to fly from IL to VN?

Find hourly flight availability from Illinois to Vietnam. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated mayo 12, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Vietnam as you normally would.

Rainfall in Vietnam by month

Plan your trip to Vietnam by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Vietnam ranges from 0.0 - 13.4 inches per month. September is typically the wettest month, when rainfall can reach 13.4 in. February is typically the driest time to visit Vietnam when rainfall is around 0.0 in.

Temperature in Vietnam by month

Plan your trip to Vietnam by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Vietnam, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 86.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 78.8 F).

Reviews of airlines servicing Vietnam

Get insights into the airlines that provide service to Vietnam. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Vietnam. Reviews last updated mayo 12, 2025.
To help decide which airline to fly from Illinois to Vietnam, see what other customers have to say about EVA Air, Korean Air and Japan Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,192 reviews

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Crew

8.6

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.
EVA Air
8.4
Very good
1,192 reviews
EVA Air
8.4
Very good
1,192 reviews

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Crew

8.6

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.
Korean Air
8.4
Very good
1,072 reviews
EVA Air
8.4
Very good
1,192 reviews

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Crew

8.6

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.
Japan Airlines
8.3
Very good
1,472 reviews
EVA Air
8.4
Very good
1,192 reviews

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Crew

8.6

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.
China Airlines
8.3
Very good
732 reviews
EVA Air
8.4
Very good
1,192 reviews

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Crew

8.6

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.
ANA
8.3
Very good
860 reviews
EVA Air
8.4
Very good
1,192 reviews

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Crew

8.6

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.

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.

  • What are the cheapest airlines to fly from Illinois to Vietnam one-way?

    One-way options have recently been found by users for as low as $501 on Japan Airlines. Other airlines that offer cheap prices include ANA from $520 and United Airlines from $524 one-way.

  • Can I find deals for flights from Illinois to Vietnam that include hotel bookings?

    Yes. In addition to deals on Illinois to Vietnam flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Vietnam?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Vietnam.

  • Can I find deals for business class flights from Illinois to Vietnam?

    Yes. Cheapflights offers flight deals from Illinois to Vietnam by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Illinois to Vietnam?

    Currently, March is the cheapest month in which you can book a flight from Illinois to Vietnam (average of $920). Flying from Illinois to Vietnam in June is currently the most expensive (average of $1,531). 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.

See more FAQs

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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.
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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 mayo 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest$733Average$934FlexibilityNo cancel feeOn-time72%
ANACheapest$766Average$989FlexibilityNo cancel feeOn-time80%
Turkish AirlinesCheapest$776Average$1,115FlexibilityNo cancel feeOn-time77%
Japan AirlinesCheapest$807Average$1,010FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$829Average$1,103FlexibilityNo cancel feeOn-time69%
Korean AirCheapest$832Average$1,288FlexibilityNo cancel feeOn-time81%
American AirlinesCheapest$840Average$1,278FlexibilityNo cancel feeOn-time71%
DeltaCheapest$902Average$1,407FlexibilityNo cancel feeOn-timeN/A
EVA AirCheapest$942Average$1,266FlexibilityNo cancel feeOn-time74%
Qatar AirwaysCheapest$1,036Average$1,295FlexibilityNo cancel feeOn-time68%

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