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$350+ 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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SGN
Feb 5 — Feb 121
Thu 2/5
Thu 2/12
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 January 6, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$851
(Delta)

One-way from

$350
(oojo)

Popular in

June

Cheapest in

November

Average price

$1,034
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. 20% potential increase in price ($297 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($55 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 January 6, 2026.

This Delta deal was found by Cheapflights users on 1/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/226:15 amORD - SGN
2 stops41h 35mDelta
Mon 2/28:00 amSGN - ORD
2 stops26h 30mDelta
Deal found 1/5$851
This Delta deal was found by Cheapflights users on 1/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/2112:48 pmMDW - SGN
2 stops45h 32mDelta
Sun 2/18:00 amSGN - MDW
2 stops41h 46mDelta
Deal found 1/5$851
This CrystalTravel deal was found by Cheapflights users on 1/6. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2112:30 amORD - DAD
1 stop23h 05mEVA Air
Thu 10/112:55 pmDAD - ORD
1 stop19h 50mEVA Air
Deal found 1/6$852
This United Airlines deal was found by Cheapflights users on 1/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/157:10 amORD - SGN
2 stops26h 45mUnited Airlines
Thu 2/57:30 amSGN - ORD
2 stops44h 23mUnited Airlines
Deal found 1/5$852
This United Airlines deal was found by Cheapflights users on 1/3. 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.
Fri 1/96:47 amORD - SGN
2 stops27h 08mUnited Airlines
Wed 1/216:00 amSGN - ORD
3 stops26h 51mUnited Airlines
Deal found 1/3$855
This KAYAK deal was found by Cheapflights users on 1/5. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/1610:30 amORD - SGN
1 stop24h 45mANA
Wed 2/411:05 pmSGN - ORD
1 stop21h 15mANA
Deal found 1/5$856
This KAYAK deal was found by Cheapflights users on 1/5. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/11:10 pmORD - SGN
1 stop42h 45mAir India
Thu 4/308:55 pmSGN - ORD
2 stops26h 15mAir India
Deal found 1/5$858
This KAYAK deal was found by Cheapflights users on 1/3. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/47:50 pmORD - SGN
1 stop32h 20mTurkish Airlines
Fri 9/1810:05 pmSGN - ORD
1 stop32h 10mTurkish Airlines
Deal found 1/3$859
This FlightHub deal was found by Cheapflights users on 1/3. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/511:50 pmORD - SGN
1 stop28h 20mTurkish Airlines
Sat 9/1910:05 pmSGN - ORD
1 stop23h 35mTurkish Airlines
Deal found 1/3$860
This KAYAK deal was found by Cheapflights users on 1/5. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/27:50 pmORD - SGN
1 stop32h 20mTurkish Airlines
Thu 10/296:35 amSGN - ORD
1 stop24h 50mTurkish Airlines
Deal found 1/5$862
This oojo deal was found by Cheapflights users on 1/6. 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.
Fri 8/141:10 pmORD - SGN
1 stop42h 45mAir India
Sun 9/68:55 pmSGN - ORD
2 stops26h 15mAir India
Deal found 1/6$863
This oojo deal was found by Cheapflights users on 1/5. 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 2/11:30 pmORD - SGN
1 stop41h 25mAir India
Sun 3/158:55 pmSGN - ORD
2 stops27h 35mAir India
Deal found 1/5$864

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 January 6, 2026.
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

ChicagoHo Chi Minh City

ORD - SGN

ORDSGN

Chicago O'Hare Intl

Mon 1/12

9:05 pm-10:55 pm

2 stops36h 50m

Ho Chi Minh City

Wed 1/28

6:00 am-8:25 pm

2 stops27h 25m

$867

ChicagoHo Chi Minh City

ORD - SGN

ORDSGN

Chicago O'Hare Intl

Mon 1/12

6:17 pm-10:55 pm

3 stops39h 38m

Ho Chi Minh City

Mon 1/26

6:00 am-9:26 pm

3 stops28h 26m

$871

ChicagoHo Chi Minh City

ORD - SGN

ORDSGN

Chicago O'Hare Intl

Thu 1/15

7:10 am-10:55 pm

2 stops26h 45m

Ho Chi Minh City

Thu 2/5

11:05 pm-7:20 am

1 stop21h 15m

$884

ChicagoHo Chi Minh City

MDW - SGN

MDWSGN

Chicago Midway

Thu 1/22

6:35 pm-10:25 pm

2 stops38h 50m

Ho Chi Minh City

Wed 2/4

8:00 am-10:22 pm

2 stops27h 22m

$897

ChicagoHo Chi Minh City

MDW - SGN

MDWSGN

Chicago Midway

Thu 1/22

6:35 pm-10:25 pm

2 stops38h 50m

Ho Chi Minh City

Thu 2/5

8:00 am-10:22 pm

2 stops27h 22m

$897

ChicagoHanoi

ORD - HAN

ORDHAN

Chicago O'Hare Intl

Mon 2/23

3:54 pm-4:30 pm

2 stops35h 36m

Hanoi Noibai

Thu 3/5

11:20 am-12:01 pm

2 stops37h 41m

$901

ChicagoHo Chi Minh City

ORD - SGN

ORDSGN

Chicago O'Hare Intl

Mon 3/2

7:10 am-10:55 pm

2 stops26h 45m

Ho Chi Minh City

Mon 5/11

11:15 pm-8:40 am

1 stop21h 25m

$911

ChicagoHo Chi Minh City

ORD - SGN

ORDSGN

Chicago O'Hare Intl

Sun 2/1

9:05 pm-10:55 pm

2 stops36h 50m

Ho Chi Minh City

Mon 2/16

7:30 am-1:50 pm

1 stop19h 20m

$913

ChicagoHo Chi Minh City

ORD - SGN

ORDSGN

Chicago O'Hare Intl

Sun 3/29

7:59 pm-11:15 pm

2 stops39h 16m

Ho Chi Minh City

Wed 4/29

7:35 am-11:58 pm

2 stops28h 23m

$916

ChicagoHanoi

ORD - HAN

ORDHAN

Chicago O'Hare Intl

Mon 4/6

11:50 am-10:15 pm

1 stop22h 25m

Hanoi Noibai

Sun 4/19

11:35 pm-5:15 am

2 stops41h 40m

$933

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/6

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, June is the cheapest month in which you can book a flight from Illinois to Vietnam (average of $583). Flying from Illinois to Vietnam in May is currently the most expensive (average of $946). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Vietnam. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Illinois to Vietnam?

    Departing from Illinois to Vietnam will take you 35h 36m. Airlines will cover a distance of 7977 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $277 on ANA. Other airlines that offer cheap prices include Korean Air from $332 and Cathay Pacific from $375 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, June is the cheapest month in which you can book a flight from Illinois to Vietnam (average of $583). Flying from Illinois to Vietnam in May is currently the most expensive (average of $946). 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 January 6, 2026.
AirlineCheapestAverageFlexibilityOn-time
ANACheapest$620Average$905FlexibilityNo cancel feeOn-time80%
Air IndiaCheapest$632Average$709FlexibilityNo cancel feeOn-timeN/A
Cathay PacificCheapest$660Average$921FlexibilityNo cancel feeOn-time72%
DeltaCheapest$681Average$1,231FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$709Average$1,182FlexibilityNo cancel feeOn-time69%
Korean AirCheapest$768Average$1,131FlexibilityNo cancel feeOn-time81%
Japan AirlinesCheapest$769Average$1,055FlexibilityNo cancel feeOn-time79%
American AirlinesCheapest$801Average$1,040FlexibilityNo cancel feeOn-time71%
Turkish AirlinesCheapest$818Average$1,125FlexibilityNo cancel feeOn-time77%
EVA AirCheapest$921Average$1,310FlexibilityNo cancel feeOn-time74%

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