What is the cheapest airline that flies from Illinois to Vietnam?

Air India, Cathay Pacific, and American Airlines are the most popular carriers operating from Illinois to Vietnam

What airlines fly to Vietnam?

EVA Air, Korean Air and ANA are the top three most popular airlines that fly to Vietnam from Illinois according to our data. EVA Air is the first choice among our users, with 60% of people opting to fly with this airline when traveling to Vietnam. Keep in mind that there are 10 different airlines that fly to Vietnam on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Illinois to Vietnam?

Prices for flights from Illinois to Vietnam refresh daily.

How many operators does momondo search for flights from Illinois to Vietnam?

As of August 2025, there are 11 operators available to choose from for flights from Illinois to Vietnam.

How old do you have to be to fly from Illinois to Vietnam?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to Vietnam.

What documentation or ID do you need to fly to Vietnam?

The travel and health documents required for your trip to Vietnam can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Vietnam. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$337 Cheap Flights from Illinois to Vietnam in 2025

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Find the cheapest flights from Illinois to Vietnam

Round-trip

One-way

Last minute

Cheap round-trip flights

4:00 pm - 10:05 amORD-SGN

30h 05m1 stop

7:15 am - 1:00 pmSGN-ORD

18h 45m1 stop

$622Cathay Pacific

Find Deal

Thu, Oct 2 - Wed, Nov 12

2:40 pm - 10:35 amORD-SGN

30h 55m1 stop

7:15 am - 1:00 pmSGN-ORD

18h 45m1 stop

$623Cathay Pacific

Find Deal

Wed, Nov 5 - Wed, Nov 19

5:45 pm - 9:55 pmORD-SGN

40h 10m1 stop

11:15 pm - 3:10 pmSGN-ORD

27h 55m1 stop

$634United Airlines

Find Deal

Tue, Aug 26 - Tue, Sep 2

9:31 pm - 9:55 pmORD-SGN

36h 24m2 stops

11:15 pm - 3:10 pmSGN-ORD

27h 55m1 stop

$639United Airlines

Find Deal

Tue, Sep 23 - Mon, Oct 6

5:45 pm - 9:55 pmORD-SGN

40h 10m1 stop

11:15 pm - 3:10 pmSGN-ORD

27h 55m1 stop

$644ANA

Find Deal

Wed, Aug 27 - Tue, Sep 2

11:50 am - 12:15 amORD-SGN

24h 25m1 stop

11:15 pm - 8:40 amSGN-ORD

21h 25m1 stop

$647ANA

Find Deal

Thu, Sep 25 - Wed, Oct 8

11:50 am - 7:10 amORD-DAD

31h 20m2 stops

1:10 am - 2:55 pmDAD-ORD

25h 45m2 stops

$659

Find Deal

Thu, Sep 4 - Wed, Sep 10

1:10 pm - 7:55 pmORD-SGN

42h 45m1 stop

8:55 pm - 11:10 amSGN-ORD

26h 15m2 stops

$664Air India

Find Deal

Mon, Sep 1 - Tue, Sep 30

1:10 pm - 7:55 pmORD-SGN

42h 45m1 stop

8:55 pm - 11:10 amSGN-ORD

26h 15m2 stops

$672Air India

Find Deal

Wed, Aug 20 - Tue, Sep 30

5:45 pm - 3:35 pmORD-HAN

33h 50m2 stops

8:30 pm - 2:50 pmHAN-ORD

30h 20m2 stops

$683

Find Deal

Thu, Oct 16 - Sun, Oct 26

United Airlines flights from Illinois to Vietnam

Our best United Airlines deals on Illinois to Vietnam flight tickets

United Airlines

Aug 26

ORD5:45 pmChicago O'Hare Intl

40h 10m

1 stop

SGN9:55 pmHo Chi Minh City

Sep 2

SGN11:15 pmHo Chi Minh City

27h 55m

1 stop

ORD3:10 pmChicago O'Hare Intl

$634

Find similar

United Airlines

Sep 23

ORD9:31 pmChicago O'Hare Intl

36h 24m

2 stops

SGN9:55 pmHo Chi Minh City

Oct 6

SGN11:15 pmHo Chi Minh City

27h 55m

1 stop

ORD3:10 pmChicago O'Hare Intl

$639

Find similar

United Airlines

Aug 13

ORD9:07 pmChicago O'Hare Intl

39h 08m

2 stops

SGN12:15 amHo Chi Minh City

Sep 24

SGN11:15 pmHo Chi Minh City

27h 55m

1 stop

ORD3:10 pmChicago O'Hare Intl

$642

Find similar

Air India flights from Illinois to Vietnam

Our best Air India deals on Illinois to Vietnam flight tickets

Air India

Sep 1

ORD1:10 pmChicago O'Hare Intl

42h 45m

1 stop

SGN7:55 pmHo Chi Minh City

Sep 30

SGN8:55 pmHo Chi Minh City

26h 15m

2 stops

ORD11:10 amChicago O'Hare Intl

$664

Find similar

Air India

Aug 20

ORD1:10 pmChicago O'Hare Intl

42h 45m

1 stop

SGN7:55 pmHo Chi Minh City

Sep 30

SGN8:55 pmHo Chi Minh City

26h 15m

2 stops

ORD11:10 amChicago O'Hare Intl

$672

Find similar

Air India

Sep 22

ORD1:10 pmChicago O'Hare Intl

42h 45m

1 stop

SGN7:55 pmHo Chi Minh City

Oct 19

SGN8:55 pmHo Chi Minh City

26h 15m

2 stops

ORD11:10 amChicago O'Hare Intl

$678

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoHo Chi Minh City

ORD - SGN

ORDSGN

Chicago O'Hare Intl

Thu 10/2

4:00 pm-10:05 am

1 stop30h 05m

Ho Chi Minh City

Wed 11/12

7:15 am-1:00 pm

1 stop18h 45m

$622

ChicagoHo Chi Minh City

ORD - SGN

ORDSGN

Chicago O'Hare Intl

Wed 11/5

2:40 pm-10:35 am

1 stop30h 55m

Ho Chi Minh City

Wed 11/19

7:15 am-1:00 pm

1 stop18h 45m

$623

ChicagoHo Chi Minh City

ORD - SGN

ORDSGN

Chicago O'Hare Intl

Tue 8/26

5:45 pm-9:55 pm

1 stop40h 10m

Ho Chi Minh City

Tue 9/2

11:15 pm-3:10 pm

1 stop27h 55m

$634

ChicagoHo Chi Minh City

ORD - SGN

ORDSGN

Chicago O'Hare Intl

Tue 9/23

9:31 pm-9:55 pm

2 stops36h 24m

Ho Chi Minh City

Mon 10/6

11:15 pm-3:10 pm

1 stop27h 55m

$639

ChicagoHo Chi Minh City

ORD - SGN

ORDSGN

Chicago O'Hare Intl

Wed 8/27

5:45 pm-9:55 pm

1 stop40h 10m

Ho Chi Minh City

Tue 9/2

11:15 pm-3:10 pm

1 stop27h 55m

$644

ChicagoHo Chi Minh City

ORD - SGN

ORDSGN

Chicago O'Hare Intl

Thu 9/25

11:50 am-12:15 am

1 stop24h 25m

Ho Chi Minh City

Wed 10/8

11:15 pm-8:40 am

1 stop21h 25m

$647

ChicagoDa Nang

ORD - DAD

ORDDAD

Chicago O'Hare Intl

Thu 9/4

11:50 am-7:10 am

2 stops31h 20m

Da Nang

Wed 9/10

1:10 am-2:55 pm

2 stops25h 45m

$659

ChicagoHo Chi Minh City

ORD - SGN

ORDSGN

Chicago O'Hare Intl

Mon 9/1

1:10 pm-7:55 pm

1 stop42h 45m

Ho Chi Minh City

Tue 9/30

8:55 pm-11:10 am

2 stops26h 15m

$664

ChicagoHo Chi Minh City

ORD - SGN

ORDSGN

Chicago O'Hare Intl

Wed 8/20

1:10 pm-7:55 pm

1 stop42h 45m

Ho Chi Minh City

Tue 9/30

8:55 pm-11:10 am

2 stops26h 15m

$672

ChicagoHanoi

ORD - HAN

ORDHAN

Chicago O'Hare Intl

Thu 10/16

5:45 pm-3:35 pm

2 stops33h 50m

Hanoi Noibai

Sun 10/26

8:30 pm-2:50 pm

2 stops30h 20m

$683

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Illinois to Vietnam

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Vietnam?

The month of September is, on average, the cheapest month to fly to Vietnam from Illinois, with most prices found around $952. If you don’t want to visit Vietnam in September, then you should wait until November to fly from Illinois, when ticket prices are also cheap, with an average price of $984.

What is the cheapest day to depart on your flight to Vietnam?

According to our data, Tuesday is the cheapest day to fly to Vietnam from Illinois. The lowest ticket price found for a Tuesday departure recently was $1,078. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Vietnam on Monday is $1,284.

What is the cheapest time of day to depart on your flight to Vietnam?

Flying to Vietnam from Illinois at noon is the least expensive time of day to depart. momondo users have found prices as low as $1,047 when looking at flights departing at noon. In the evening is when there is more demand to fly to Vietnam, so prices are often more expensive at around $1,274 per ticket.

How far in advance should I book a flight to Vietnam?

You are more likely to see cheaper flights to Vietnam from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Vietnam for around $1,181 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Vietnam from Illinois for as low as $922 on momondo.

Can stopping save me money on Illinois to Vietnam flights?

You could potentially save up to 11% on your flight if you consider stops on a Illinois to Vietnam flight.

Cheap Illinois to Vietnam flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Vietnam

Best Price Found	$337
Fastest flight time	20h 20m
Direct flights	None
Airports in Vietnam	4 airports

The best one-way flight to Vietnam from Illinois in the past 72 hours is $337. The best round-trip flight deal from Illinois to Vietnam found on momondo in the last 72 hours is $622.

The fastest flight from Illinois to Vietnam takes 20h 20m

There are no direct flights from Illinois to Vietnam. Popular non-direct routes for this connection are Chicago O'Hare Intl Airport - Hanoi Noibai Airport and Chicago O'Hare Intl Airport - Ho Chi Minh City Airport.

There are 4 airports near Vietnam: Hanoi Noibai (HAN), Da Nang (DAD), Ho Chi Minh City (SGN), Nha Trang Cam Ranh (CXR)

Search flight deals

When did momondo last update prices for flights from Illinois to Vietnam?
Prices for flights from Illinois to Vietnam refresh daily.
How many operators does momondo search for flights from Illinois to Vietnam?
As of August 2025, there are 11 operators available to choose from for flights from Illinois to Vietnam.
How old do you have to be to fly from Illinois to Vietnam?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to Vietnam.
What documentation or ID do you need to fly to Vietnam?
The travel and health documents required for your trip to Vietnam can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Vietnam. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Illinois to Vietnam

Compare and see reviews for airlines that fly from Illinois to Vietnam with momondo

Airline	Rating	Free Cancellation	Price
ANA	PriceFrom $714	Free Cancellation	Rating 8.4 926 reviews	Search ANA flights
Cathay Pacific	PriceFrom $733	Free Cancellation	Rating 7.6 956 reviews	Search Cathay Pacific flights
Korean Air	PriceFrom $768	Free Cancellation	Rating 8.4 1,121 reviews	Search Korean Air flights
Turkish Airlines	PriceFrom $775	Free Cancellation	Rating 7.3 3,934 reviews	Search Turkish Airlines flights
Japan Airlines	PriceFrom $807	Free Cancellation	Rating 8.3 1,545 reviews	Search Japan Airlines flights
United Airlines	PriceFrom $829	Free Cancellation	Rating 7.4 8,917 reviews	Search United Airlines flights
American Airlines	PriceFrom $840	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Delta	PriceFrom $859	Free Cancellation	Rating 8.0 7,985 reviews	Search Delta flights
EVA Air	PriceFrom $949	Free Cancellation	Rating 8.4 1,225 reviews	Search EVA Air flights
Qatar Airways	PriceFrom $1,036	Free Cancellation	Rating 7.4 3,606 reviews	Search Qatar Airways flights

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Vietnam?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Illinois to Vietnam. momondo saves you time and could save you money on your trip.

Can I find flights from Illinois to Vietnam with flexible booking policies on momondo?

Yes. All flights to Vietnam from Illinois on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Illinois to Vietnam?

momondo provides multiple filters to help you find the best flight to Vietnam from Illinois. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Illinois to Vietnam right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Vietnam, momondo offers a useful price alert feature which will track prices for flights to Vietnam from Illinois and alert you when they change.