What is the cheapest airline that flies from Chicago O'Hare Intl to Vietnam?

Etihad Airways, United Airlines, and Cathay Pacific are the most popular carriers operating from Chicago O'Hare Intl to Vietnam

What airlines fly to Vietnam?

EVA Air, Cathay Pacific and ANA are the top three most popular airlines that fly to Vietnam from Chicago O'Hare Intl Airport according to our data. EVA Air is the first choice among our users, with 68% of people opting to fly with this airline when traveling to Vietnam. Keep in mind that there are 11 different airlines that fly to Vietnam on a routine basis, so you have a few additional options to choose from.

How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Vietnam?

As of May 2026, there are 11 operators available to choose from for flights from Chicago O'Hare Intl Airport to Vietnam.

How old do you have to be to fly from Chicago O'Hare Intl Airport 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 Chicago O'Hare Intl Airport 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.

$452 Cheap Flights from Chicago O'Hare Intl Airport to Vietnam in 2026

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Find the cheapest flights from Chicago O'Hare Intl Airport to Vietnam

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:15 pm - 3:35 pm

ORD

HAN

35h 20m

1 stop

11:00 am - 1:55 pm

HAN

ORD

38h 55m

1 stop

$917Cathay Pacific

Mon, Sep 28 - Mon, Oct 12

4:15 pm - 3:35 pm

ORD

HAN

35h 20m

1 stop

10:55 am - 1:55 pm

HAN

ORD

39h 00m

1 stop

$918Cathay Pacific

Thu, Sep 17 - Wed, Oct 14

2:35 pm - 6:30 pm

ORD

HAN

38h 55m

1 stop

7:30 pm - 12:55 pm

HAN

ORD

30h 25m

1 stop

$954Cathay Pacific

Tue, Nov 3 - Tue, Nov 10

4:15 pm - 3:35 pm

ORD

HAN

35h 20m

1 stop

7:10 pm - 1:55 pm

HAN

ORD

30h 45m

1 stop

$965Cathay Pacific

Thu, Sep 17 - Thu, Oct 1

9:35 pm - 10:05 pm

ORD

SGN

36h 30m

3 stops

7:00 am - 12:58 am

SGN

ORD

29h 58m

2 stops

$1,009United Airlines

Sun, Aug 30 - Sun, Sep 27

11:50 am - 12:15 am

ORD

SGN

24h 25m

1 stop

11:05 pm - 7:20 am

SGN

ORD

21h 15m

1 stop

$1,011ANA

Sun, Oct 18 - Mon, Nov 2

12:15 pm - 2:00 pm

ORD

PQC

37h 45m

1 stop

3:30 pm - 8:30 am

PQC

ORD

30h 00m

1 stop

$1,168Korean Air

Thu, Oct 29 - Mon, Nov 2

12:15 pm - 2:00 pm

ORD

PQC

37h 45m

1 stop

3:30 pm - 8:30 am

PQC

ORD

30h 00m

1 stop

$1,373Korean Air

Thu, Oct 29 - Mon, Nov 2

6:22 pm - 11:05 pm

ORD

CXR

40h 43m

2 stops

12:20 am - 9:30 am

CXR

ORD

21h 10m

1 stop

$5,602Delta

Mon, Jul 20 - Sat, Sep 26

12:30 pm - 11:05 pm

ORD

CXR

22h 35m

1 stop

12:20 am - 9:40 am

CXR

ORD

21h 20m

1 stop

$7,382Delta

Sat, Jul 4 - Thu, Jul 23

Cathay Pacific flights from Chicago O'Hare Intl Airport to Vietnam

Our best Cathay Pacific deals on Chicago O'Hare Intl Airport to Vietnam flight tickets

Cathay Pacific

Sep 28

ORD4:15 pmChicago O'Hare Intl

35h 20m

1 stop

HAN3:35 pmHanoi Noibai

Oct 12

HAN11:00 amHanoi Noibai

38h 55m

1 stop

ORD1:55 pmChicago O'Hare Intl

$917

Cathay Pacific

Sep 17

ORD4:15 pmChicago O'Hare Intl

35h 20m

1 stop

HAN3:35 pmHanoi Noibai

Oct 14

HAN10:55 amHanoi Noibai

39h 00m

1 stop

ORD1:55 pmChicago O'Hare Intl

$918

Cathay Pacific

Nov 3

ORD2:35 pmChicago O'Hare Intl

38h 55m

1 stop

HAN6:30 pmHanoi Noibai

Nov 10

HAN7:30 pmHanoi Noibai

30h 25m

1 stop

ORD12:55 pmChicago O'Hare Intl

$954

United Airlines flights from Chicago O'Hare Intl Airport to Vietnam

Our best United Airlines deals on Chicago O'Hare Intl Airport to Vietnam flight tickets

United Airlines

Aug 30

ORD9:35 pmChicago O'Hare Intl

36h 30m

3 stops

SGN10:05 pmHo Chi Minh City

Sep 27

SGN7:00 amHo Chi Minh City

29h 58m

2 stops

ORD12:58 amChicago O'Hare Intl

$1,009

United Airlines

Aug 3

ORD9:50 pmChicago O'Hare Intl

36h 15m

3 stops

SGN10:05 pmHo Chi Minh City

Sep 3

SGN7:00 amHo Chi Minh City

19h 55m

1 stop

ORD2:55 pmChicago O'Hare Intl

$1,013

United Airlines

Aug 3

ORD9:50 pmChicago O'Hare Intl

36h 15m

3 stops

SGN10:05 pmHo Chi Minh City

Sep 3

SGN7:00 amHo Chi Minh City

29h 59m

2 stops

ORD12:59 amChicago O'Hare Intl

$1,018

momondo Fare Finder

Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Vietnam that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoHanoi

ORD - HAN

ORDHAN

Chicago O'Hare Intl

Mon 9/28

4:15 pm-3:35 pm

1 stop35h 20m

Hanoi Noibai

Mon 10/12

11:00 am-1:55 pm

1 stop38h 55m

$917

ChicagoHanoi

ORD - HAN

ORDHAN

Chicago O'Hare Intl

Thu 9/17

4:15 pm-3:35 pm

1 stop35h 20m

Hanoi Noibai

Wed 10/14

10:55 am-1:55 pm

1 stop39h 00m

$918

ChicagoHanoi

ORD - HAN

ORDHAN

Chicago O'Hare Intl

Tue 11/3

2:35 pm-6:30 pm

1 stop38h 55m

Hanoi Noibai

Tue 11/10

7:30 pm-12:55 pm

1 stop30h 25m

$954

ChicagoHanoi

ORD - HAN

ORDHAN

Chicago O'Hare Intl

Thu 9/17

4:15 pm-3:35 pm

1 stop35h 20m

Hanoi Noibai

Thu 10/1

7:10 pm-1:55 pm

1 stop30h 45m

$965

ChicagoHo Chi Minh City

ORD - SGN

ORDSGN

Chicago O'Hare Intl

Sun 8/30

9:35 pm-10:05 pm

3 stops36h 30m

Ho Chi Minh City

Sun 9/27

7:00 am-12:58 am

2 stops29h 58m

$1,009

ChicagoHo Chi Minh City

ORD - SGN

ORDSGN

Chicago O'Hare Intl

Sun 10/18

11:50 am-12:15 am

1 stop24h 25m

Ho Chi Minh City

Mon 11/2

11:05 pm-7:20 am

1 stop21h 15m

$1,011

ChicagoPhu Quoc

ORD - PQC

ORDPQC

Chicago O'Hare Intl

Thu 10/29

12:15 pm-2:00 pm

1 stop37h 45m

Phu Quoc Duong Dang

Mon 11/2

3:30 pm-8:30 am

1 stop30h 00m

$1,168

ChicagoPhu Quoc

ORD - PQC

ORDPQC

Chicago O'Hare Intl

Thu 10/29

12:15 pm-2:00 pm

1 stop37h 45m

Phu Quoc Duong Dang

Mon 11/2

3:30 pm-8:30 am

1 stop30h 00m

$1,373

ChicagoNha Trang

ORD - CXR

ORDCXR

Chicago O'Hare Intl

Mon 7/20

6:22 pm-11:05 pm

2 stops40h 43m

Nha Trang Cam Ranh

Sat 9/26

12:20 am-9:30 am

1 stop21h 10m

$5,602

Quickest round-trip

ChicagoNha Trang

ORD - CXR

ORDCXR

Chicago O'Hare Intl

Sat 7/4

12:30 pm-11:05 pm

1 stop22h 35m

Nha Trang Cam Ranh

Thu 7/23

12:20 am-9:40 am

1 stop21h 20m

$7,382

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 Chicago O'Hare Intl Airport 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 December is, on average, the cheapest month to fly to Vietnam from Chicago O'Hare Intl Airport, with most prices found around $535. If you don’t want to visit Vietnam in December, then you should wait until October to fly from Chicago O'Hare Intl Airport, when ticket prices are also cheap, with an average price of $590.

How far in advance should I book a flight from Chicago O'Hare Intl Airport to Vietnam?

You are more likely to see cheaper flights to Vietnam from Chicago O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Vietnam for around $1,116 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Vietnam from Chicago O'Hare Intl Airport for as low as $977 on momondo.

Can stopping save me money on Chicago O'Hare Intl Airport to Vietnam flights?

You could potentially save up to 36% on your flight if you consider stops on a Chicago O'Hare Intl Airport to Vietnam flight.

Cheap Chicago O'Hare Intl Airport to Vietnam flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Vietnam

Fastest flight time	20h 05m
Direct flights	None

The fastest flight from Chicago O'Hare Intl Airport to Vietnam takes 20h 05m

There are no direct flights from Chicago O'Hare Intl Airport to Vietnam. There are no popular flight routes from Chicago O'Hare Intl Airport to Vietnam.

Search flight deals

Frequently asked questions about flying from Chicago O'Hare Intl Airport to Vietnam

When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Vietnam?
Prices for flights from Chicago O'Hare Intl Airport to Vietnam refresh daily.
How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Vietnam?
As of May 2026, there are 11 operators available to choose from for flights from Chicago O'Hare Intl Airport to Vietnam.
How old do you have to be to fly from Chicago O'Hare Intl Airport 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 Chicago O'Hare Intl Airport 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 Chicago O'Hare Intl Airport to Vietnam

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Vietnam with momondo

Airline	Rating	Free Cancellation	Price
ANA	PriceFrom $650	Free Cancellation	Rating 8.3 1,209 reviews	Search ANA flights
Air India	PriceFrom $662	Free Cancellation	Rating 5.5 2,957 reviews	Search Air India flights
Cathay Pacific	PriceFrom $665	Free Cancellation	Rating 7.6 1,329 reviews	Search Cathay Pacific flights
Delta	PriceFrom $681	Free Cancellation	Rating 7.9 8,454 reviews	Search Delta flights
United Airlines	PriceFrom $704	Free Cancellation	Rating 7.4 9,711 reviews	Search United Airlines flights
Japan Airlines	PriceFrom $766	Free Cancellation	Rating 8.3 1,825 reviews	Search Japan Airlines flights
Korean Air	PriceFrom $768	Free Cancellation	Rating 8.4 1,217 reviews	Search Korean Air flights
Turkish Airlines	PriceFrom $774	Free Cancellation	Rating 7.4 4,366 reviews	Search Turkish Airlines flights
American Airlines	PriceFrom $801	Free Cancellation	Rating 7.1 11,664 reviews	Search American Airlines flights
Etihad Airways	PriceFrom $817	Free Cancellation	Rating 7.3 1,437 reviews	Search Etihad Airways flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Chicago to Vietnam. Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from Chicago to Vietnam on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Chicago and Vietnam by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are not ready to book a flight from Chicago to Vietnam now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Vietnam and let you know when they change.