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$384+ 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 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SGN
Jul 5 — Jul 121
Sat 7/5
Sat 7/12
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 June 30, 2025.

Round-trip from

$666
(CrystalTravel)

One-way from

$384
(CrystalTravel)

Popular in

June

Cheapest in

September

Average price

$1,722
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. 18% potential increase in price ($272 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($48 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 30, 2025.

This CrystalTravel deal was found by Cheapflights users on 6/29. 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.
Tue 8/1912:50 pmORD - DAD
2 stops29h 35mMultiple Airlines
Wed 9/1711:50 pmDAD - ORD
1 stop27h 05mMultiple Airlines
Deal found 6/29$666
This CrystalTravel deal was found by Cheapflights users on 6/28. 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.
Wed 10/17:18 amORD - HAN
2 stops26h 57mANA
Tue 10/711:35 pmHAN - ORD
1 stop27h 20mANA
Deal found 6/28$681
This Ovago deal was found by Cheapflights users on 6/29. 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.
Mon 9/84:00 pmORD - DAD
1 stop37h 25mCathay Pacific
Mon 9/1510:10 pmDAD - ORD
1 stop28h 15mCathay Pacific
Deal found 6/29$696
This United Airlines deal was found by Cheapflights users on 6/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1611:50 amORD - HAN
1 stop22h 25mUnited Airlines
Sun 9/2111:35 pmHAN - ORD
1 stop27h 20mUnited Airlines
Deal found 6/30$705
This Ovago deal was found by Cheapflights users on 6/28. 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.
Mon 8/184:00 pmORD - HAN
1 stop38h 05mCathay Pacific
Sun 8/3110:55 amHAN - ORD
1 stop39h 30mCathay Pacific
Deal found 6/28$717
This United deal was found by Cheapflights users on 6/29. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/17:18 amORD - HAN
2 stops26h 57mMultiple Airlines
Tue 10/711:35 pmHAN - ORD
1 stop27h 20mMultiple Airlines
Deal found 6/29$725
This KAYAK deal was found by Cheapflights users on 6/29. 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.
Sun 9/284:50 pmORD - DAD
2 stops55h 50mANA
Mon 10/1311:50 pmDAD - ORD
1 stop27h 05mANA
Deal found 6/29$761
This Delta deal was found by Cheapflights users on 6/29. 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 9/1812:43 pmMDW - HAN
2 stops44h 52mDelta
Mon 9/2212:00 pmHAN - MDW
2 stops42h 35mDelta
Deal found 6/29$881
This oojo deal was found by Cheapflights users on 6/29. 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 9/81:01 pmORD - DAD
2 stops31h 49mChina Airlines
Mon 9/155:35 pmDAD - ORD
2 stops25h 28mChina Airlines
Deal found 6/29$894
This CrystalTravel deal was found by Cheapflights users on 6/29. 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.
Tue 8/1912:30 pmORD - DAD
1 stop20h 35mKorean Air
Wed 9/1710:55 pmDAD - ORD
1 stop22h 35mKorean Air
Deal found 6/29$916
This oojo deal was found by Cheapflights users on 6/29. 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 9/83:35 pmSTL - SGN
2 stops36h 45mChina Airlines
Sun 10/125:30 pmSGN - STL
2 stops42h 29mChina Airlines
Deal found 6/29$947
This CrystalTravel deal was found by Cheapflights users on 6/29. 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 8/1812:30 amORD - DAD
1 stop23h 05mEVA Air
Wed 9/1712:55 pmDAD - ORD
1 stop19h 50mEVA Air
Deal found 6/29$953

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 June 30, 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

ChicagoDa Nang

ORD - DAD

ORDDAD

Chicago O'Hare Intl

Tue 8/19

12:50 pm-6:25 am

2 stops29h 35m

Da Nang

Wed 9/17

11:50 pm-2:55 pm

1 stop27h 05m

$666

ChicagoHanoi

ORD - HAN

ORDHAN

Chicago O'Hare Intl

Wed 10/1

7:18 am-10:15 pm

2 stops26h 57m

Hanoi Noibai

Wed 10/15

11:35 pm-2:55 pm

1 stop27h 20m

$681

ChicagoDa Nang

ORD - DAD

ORDDAD

Chicago O'Hare Intl

Mon 9/8

4:00 pm-5:25 pm

1 stop37h 25m

Da Nang

Mon 9/15

10:10 pm-2:25 pm

1 stop28h 15m

$696

ChicagoHanoi

ORD - HAN

ORDHAN

Chicago O'Hare Intl

Tue 9/16

11:50 am-10:15 pm

1 stop22h 25m

Hanoi Noibai

Sun 9/21

11:35 pm-2:55 pm

1 stop27h 20m

$705

ChicagoHanoi

ORD - HAN

ORDHAN

Chicago O'Hare Intl

Mon 8/18

4:00 pm-6:05 pm

1 stop38h 05m

Hanoi Noibai

Sun 8/31

10:55 am-2:25 pm

1 stop39h 30m

$717

ChicagoHanoi

ORD - HAN

ORDHAN

Chicago O'Hare Intl

Wed 10/1

7:18 am-10:15 pm

2 stops26h 57m

Hanoi Noibai

Tue 10/7

11:35 pm-2:55 pm

1 stop27h 20m

$725

ChicagoDa Nang

ORD - DAD

ORDDAD

Chicago O'Hare Intl

Sun 9/28

4:50 pm-12:40 pm

2 stops55h 50m

Da Nang

Mon 10/13

11:50 pm-2:55 pm

1 stop27h 05m

$761

ChicagoHanoi

MDW - HAN

MDWHAN

Chicago Midway

Thu 9/18

12:43 pm-9:35 pm

2 stops44h 52m

Hanoi Noibai

Mon 9/22

12:00 pm-6:35 pm

2 stops42h 35m

$881

ChicagoDa Nang

ORD - DAD

ORDDAD

Chicago O'Hare Intl

Mon 9/8

1:01 pm-8:50 am

2 stops31h 49m

Da Nang

Mon 9/15

5:35 pm-7:03 am

2 stops25h 28m

$894

ChicagoDa Nang

ORD - DAD

ORDDAD

Chicago O'Hare Intl

Tue 8/19

12:30 pm-9:05 pm

1 stop20h 35m

Da Nang

Wed 9/17

10:55 pm-9:30 am

1 stop22h 35m

$916

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/28

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 $917). Flying from Illinois to Vietnam in June is currently the most expensive (average of $1,435). 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 June 30, 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.

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 June 30, 2025.
Get a feel of what it's like to fly with EVA Air, ANA, and Korean Air from Illinois to Vietnam by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,210 reviews

Food

8.1

Entertainment

8.0

Overall

8.4

Boarding

8.4

Crew

8.6

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
EVA Air
8.4
Very good
1,210 reviews
EVA Air
8.4
Very good
1,210 reviews

Food

8.1

Entertainment

8.0

Overall

8.4

Boarding

8.4

Crew

8.6

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
ANA
8.4
Very good
892 reviews
EVA Air
8.4
Very good
1,210 reviews

Food

8.1

Entertainment

8.0

Overall

8.4

Boarding

8.4

Crew

8.6

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Korean Air
8.4
Very good
1,101 reviews
EVA Air
8.4
Very good
1,210 reviews

Food

8.1

Entertainment

8.0

Overall

8.4

Boarding

8.4

Crew

8.6

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Japan Airlines
8.3
Very good
1,504 reviews
EVA Air
8.4
Very good
1,210 reviews

Food

8.1

Entertainment

8.0

Overall

8.4

Boarding

8.4

Crew

8.6

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
China Airlines
8.3
Very good
745 reviews
EVA Air
8.4
Very good
1,210 reviews

Food

8.1

Entertainment

8.0

Overall

8.4

Boarding

8.4

Crew

8.6

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

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 $384 on Korean Air. Other airlines that offer cheap prices include Cathay Pacific from $385 and Japan Airlines from $507 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 $917). Flying from Illinois to Vietnam in June is currently the most expensive (average of $1,435). 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 June 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air IndiaCheapest$632Average$778FlexibilityNo cancel feeOn-timeN/A
Cathay PacificCheapest$733Average$936FlexibilityNo cancel feeOn-time72%
ANACheapest$748Average$977FlexibilityNo cancel feeOn-time80%
Korean AirCheapest$768Average$1,277FlexibilityNo cancel feeOn-time81%
Turkish AirlinesCheapest$776Average$1,061FlexibilityNo cancel feeOn-time77%
Japan AirlinesCheapest$798Average$964FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$829Average$1,083FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$840Average$1,278FlexibilityNo cancel feeOn-time71%
DeltaCheapest$902Average$1,280FlexibilityNo cancel feeOn-timeN/A
EVA AirCheapest$947Average$1,264FlexibilityNo cancel feeOn-time74%

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