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

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

What airlines fly to Vietnam?

EVA Air, Cathay Pacific and United Airlines 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 62% of people opting to fly with this airline when traveling to Vietnam. Keep in mind that there are 12 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 August 2026, there are 12 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.

$422 Cheap Flights from Chicago O'Hare Intl Airport to Vietnam in 2026

Discover deals from 900+ travel sites with momondo.

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 - 6:05 pmORD Chicago O'Hare Intl-PQC Phu Quoc Duong Dang

37h 50m1 stop Hong Kong Intl

7:05 pm - 1:55 pmPQC Phu Quoc Duong Dang-ORD Chicago O'Hare Intl

30h 50m1 stop Hong Kong Intl

$831Cathay Pacific

Wed, Oct 7 - Wed, Oct 14

4:15 pm - 9:55 amORD Chicago O'Hare Intl-HAN Hanoi Noibai

29h 40m1 stop Hong Kong Intl

11:00 am - 1:55 pmHAN Hanoi Noibai-ORD Chicago O'Hare Intl

38h 55m1 stop Hong Kong Intl

$832Cathay Pacific

Mon, Oct 5 - Mon, Oct 12

1:10 pm - 6:10 pmORD Chicago O'Hare Intl-HAN Hanoi Noibai

40h 00m1 stop Abu Dhabi Zayed Intl

8:00 pm - 7:55 amHAN Hanoi Noibai-ORD Chicago O'Hare Intl

24h 55m1 stop Abu Dhabi Zayed Intl

$873Etihad Airways

Mon, Jan 11 - Thu, Jan 21

1:10 pm - 6:10 pmORD Chicago O'Hare Intl-HAN Hanoi Noibai

40h 00m1 stop Abu Dhabi Zayed Intl

7:40 am - 3:00 pmHAN Hanoi Noibai-ORD Chicago O'Hare Intl

44h 20m1 stop Abu Dhabi Zayed Intl

$873Etihad Airways

Wed, Jan 13 - Wed, Jan 27

7:20 pm - 7:15 amORD Chicago O'Hare Intl-HAN Hanoi Noibai

23h 55m1 stop Doha Hamad Intl

8:45 am - 3:05 pmHAN Hanoi Noibai-ORD Chicago O'Hare Intl

42h 20m1 stop Doha Hamad Intl

$900JetBlue

Tue, Sep 22 - Tue, Oct 6

7:50 pm - 12:20 pmORD Chicago O'Hare Intl-HAN Hanoi Noibai

28h 30m1 stop Doha Hamad Intl

8:55 am - 2:30 pmHAN Hanoi Noibai-ORD Chicago O'Hare Intl

42h 35m1 stop Doha Hamad Intl

$906Qatar Airways

Wed, Oct 28 - Thu, Nov 26

6:00 am - 9:50 pmORD Chicago O'Hare Intl-SGN Ho Chi Minh City

26h 50m2 stops San Francisco Tokyo Haneda

11:05 pm - 7:20 amSGN Ho Chi Minh City-ORD Chicago O'Hare Intl

21h 15m1 stop Tokyo Haneda

$924United Airlines

Wed, Nov 4 - Sat, Nov 14

6:00 am - 9:50 pmORD Chicago O'Hare Intl-SGN Ho Chi Minh City

26h 50m2 stops San Francisco Tokyo Haneda

11:05 pm - 7:20 amSGN Ho Chi Minh City-ORD Chicago O'Hare Intl

21h 15m1 stop Tokyo Haneda

$924United Airlines

Wed, Nov 4 - Sat, Nov 14

8:40 am - 12:15 amORD Chicago O'Hare Intl-SGN Ho Chi Minh City

27h 35m2 stops Denver Intl Tokyo Narita

7:00 am - 2:55 pmSGN Ho Chi Minh City-ORD Chicago O'Hare Intl

19h 55m1 stop Tokyo Narita

$928ANA

Wed, Sep 9 - Wed, Sep 16

8:40 am - 12:15 amORD Chicago O'Hare Intl-SGN Ho Chi Minh City

27h 35m2 stops Denver Intl Tokyo Narita

7:00 am - 2:55 pmSGN Ho Chi Minh City-ORD Chicago O'Hare Intl

19h 55m1 stop Tokyo Narita

$928ANA

Thu, Sep 10 - Mon, Sep 14

Cheap last minute flights

Enter your travel dates to find the best prices.

12:15 pm - 9:55 pmORD Chicago O'Hare Intl-SGN Ho Chi Minh City

21h 40m1 stop Tokyo Haneda

11:15 pm - 8:40 amSGN Ho Chi Minh City-ORD Chicago O'Hare Intl

21h 25m1 stop Tokyo Haneda

$932ANA

Fri, Aug 28 - Sun, Sep 6

8:40 am - 12:15 amORD Chicago O'Hare Intl-SGN Ho Chi Minh City

27h 35m2 stops San Francisco Tokyo Narita

11:15 pm - 8:40 amSGN Ho Chi Minh City-ORD Chicago O'Hare Intl

21h 25m1 stop Tokyo Haneda

$935ANA

Fri, Aug 28 - Mon, Oct 12

12:15 pm - 9:55 pmORD Chicago O'Hare Intl-SGN Ho Chi Minh City

21h 40m1 stop Tokyo Haneda

7:00 am - 7:00 pmSGN Ho Chi Minh City-ORD Chicago O'Hare Intl

24h 00m2 stops Hong Kong Intl Los Angeles

$939United Airlines

Tue, Aug 25 - Fri, Aug 28

8:50 am - 10:05 pmORD Chicago O'Hare Intl-SGN Ho Chi Minh City

25h 15m2 stops Los Angeles Hong Kong Intl

7:00 am - 9:30 pmSGN Ho Chi Minh City-ORD Chicago O'Hare Intl

26h 30m2 stops Hong Kong Intl Los Angeles

$944United Airlines

Tue, Aug 25 - Fri, Aug 28

4:00 pm - 12:20 amORD Chicago O'Hare Intl-SGN Ho Chi Minh City

20h 20m1 stop Hong Kong Intl

1:35 pm - 2:20 pmSGN Ho Chi Minh City-ORD Chicago O'Hare Intl

36h 45m1 stop Hong Kong Intl

$963Cathay Pacific

Sat, Aug 29 - Sat, Sep 5

4:00 pm - 6:10 pmORD Chicago O'Hare Intl-HAN Hanoi Noibai

38h 10m1 stop Hong Kong Intl

7:10 pm - 2:20 pmHAN Hanoi Noibai-ORD Chicago O'Hare Intl

31h 10m1 stop Hong Kong Intl

$975Cathay Pacific

Sat, Aug 29 - Sat, Sep 5

8:48 am - 11:15 pmORD Chicago O'Hare Intl-SGN Ho Chi Minh City

26h 27m2 stops Detroit Metropolitan Wayne County Incheon Intl

7:30 am - 11:29 pmSGN Ho Chi Minh City-ORD Chicago O'Hare Intl

27h 59m2 stops Incheon Intl Seattle/Tacoma Intl

$978Delta

Tue, Aug 25 - Tue, Sep 1

6:59 am - 10:10 pmORD Chicago O'Hare Intl-SGN Ho Chi Minh City

27h 11m2 stops Detroit Metropolitan Wayne County Incheon Intl

7:30 am - 11:29 pmSGN Ho Chi Minh City-ORD Chicago O'Hare Intl

27h 59m2 stops Incheon Intl Seattle/Tacoma Intl

$978Delta

Wed, Aug 26 - Tue, Sep 1

7:00 am - 9:45 pmORD Chicago O'Hare Intl-SGN Ho Chi Minh City

26h 45m2 stops Dallas/Fort Worth Tokyo Narita

8:00 am - 10:13 pmSGN Ho Chi Minh City-ORD Chicago O'Hare Intl

26h 13m2 stops Tokyo Narita Dallas/Fort Worth

$989American Airlines

Sat, Aug 29 - Sat, Sep 5

7:00 am - 9:50 pmORD Chicago O'Hare Intl-HAN Hanoi Noibai

26h 50m2 stops Dallas/Fort Worth Tokyo Narita

11:20 pm - 7:20 amHAN Hanoi Noibai-ORD Chicago O'Hare Intl

20h 00m1 stop Tokyo Narita

$1,088American Airlines

Sat, Aug 29 - Sat, Sep 5

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ANA flights from Chicago O'Hare Intl Airport to Vietnam

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

ANA

Sep 1

ORD7:00 amChicago O'Hare Intl

29h 15m

2 stops

SGN12:15 amHo Chi Minh City

Nov 1

SGN11:05 pmHo Chi Minh City

28h 33m

2 stops

ORD2:38 pmChicago O'Hare Intl

$917

ANA

Sep 9

ORD8:40 amChicago O'Hare Intl

27h 35m

2 stops

SGN12:15 amHo Chi Minh City

Sep 14

SGN7:00 amHo Chi Minh City

19h 55m

1 stop

ORD2:55 pmChicago O'Hare Intl

$928

ANA

Aug 28

ORD12:15 pmChicago O'Hare Intl

21h 40m

1 stop

SGN9:55 pmHo Chi Minh City

Sep 6

SGN11:15 pmHo Chi Minh City

21h 25m

1 stop

ORD8:40 amChicago O'Hare Intl

$932

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

Nov 4

ORD6:00 amChicago O'Hare Intl

26h 50m

2 stops

SGN9:50 pmHo Chi Minh City

Nov 14

SGN11:05 pmHo Chi Minh City

21h 15m

1 stop

ORD7:20 amChicago O'Hare Intl

$924

United Airlines

Sep 1

ORD8:50 amChicago O'Hare Intl

25h 15m

2 stops

SGN10:05 pmHo Chi Minh City

Nov 1

SGN7:30 amHo Chi Minh City

19h 20m

1 stop

ORD2:50 pmChicago O'Hare Intl

$925

United Airlines

Nov 21

ORD9:48 pmChicago O'Hare Intl

37h 27m

2 stops

SGN12:15 amHo Chi Minh City

Nov 30

SGN11:05 pmHo Chi Minh City

21h 15m

1 stop

ORD7:20 amChicago O'Hare Intl

$927

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

ChicagoPhu Quoc

ORD Chicago O'Hare Intl - PQC Phu Quoc Duong Dang

ORDPQC

Chicago O'Hare Intl

Wed 10/7

4:15 pm-6:05 pm

1 stop37h 50m

Phu Quoc Duong Dang

Wed 10/14

7:05 pm-1:55 pm

1 stop30h 50m

$831

ChicagoHanoi

ORD Chicago O'Hare Intl - HAN Hanoi Noibai

ORDHAN

Chicago O'Hare Intl

Mon 10/5

4:15 pm-9:55 am

1 stop29h 40m

Hanoi Noibai

Mon 10/12

11:00 am-1:55 pm

1 stop38h 55m

$832

ChicagoHanoi

ORD Chicago O'Hare Intl - HAN Hanoi Noibai

ORDHAN

Chicago O'Hare Intl

Mon 1/11

1:10 pm-6:10 pm

1 stop40h 00m

Hanoi Noibai

Thu 1/21

8:00 pm-7:55 am

1 stop24h 55m

$873

ChicagoHanoi

ORD Chicago O'Hare Intl - HAN Hanoi Noibai

ORDHAN

Chicago O'Hare Intl

Wed 1/13

1:10 pm-6:10 pm

1 stop40h 00m

Hanoi Noibai

Wed 1/27

7:40 am-3:00 pm

1 stop44h 20m

$873

ChicagoHanoi

ORD Chicago O'Hare Intl - HAN Hanoi Noibai

ORDHAN

Chicago O'Hare Intl

Tue 9/22

7:20 pm-7:15 am

1 stop23h 55m

Hanoi Noibai

Tue 10/6

8:45 am-3:05 pm

1 stop42h 20m

$900

ChicagoHanoi

ORD Chicago O'Hare Intl - HAN Hanoi Noibai

ORDHAN

Chicago O'Hare Intl

Wed 10/28

7:50 pm-12:20 pm

1 stop28h 30m

Hanoi Noibai

Thu 11/26

8:55 am-2:30 pm

1 stop42h 35m

$906

ChicagoHo Chi Minh City

ORD Chicago O'Hare Intl - SGN Ho Chi Minh City

ORDSGN

Chicago O'Hare Intl

Wed 11/4

6:00 am-9:50 pm

2 stops26h 50m

Ho Chi Minh City

Sat 11/14

11:05 pm-7:20 am

1 stop21h 15m

$924

ChicagoHo Chi Minh City

ORD Chicago O'Hare Intl - SGN Ho Chi Minh City

ORDSGN

Chicago O'Hare Intl

Wed 11/4

6:00 am-9:50 pm

2 stops26h 50m

Ho Chi Minh City

Sat 11/14

11:05 pm-7:20 am

1 stop21h 15m

$924

Quickest round-trip

ChicagoHo Chi Minh City

ORD Chicago O'Hare Intl - SGN Ho Chi Minh City

ORDSGN

Chicago O'Hare Intl

Wed 9/9

8:40 am-12:15 am

2 stops27h 35m

Ho Chi Minh City

Wed 9/16

7:00 am-2:55 pm

1 stop19h 55m

$928

ChicagoHo Chi Minh City

ORD Chicago O'Hare Intl - SGN Ho Chi Minh City

ORDSGN

Chicago O'Hare Intl

Thu 9/10

8:40 am-12:15 am

2 stops27h 35m

Ho Chi Minh City

Mon 9/14

7:00 am-2:55 pm

1 stop19h 55m

$928

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 September is, on average, the cheapest month to fly to Vietnam from Chicago O'Hare Intl Airport, with most prices found around $954. If you don’t want to visit Vietnam in September, then you should wait until August to fly from Chicago O'Hare Intl Airport, when ticket prices are also cheap, with an average price of $984.

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 $1,109 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 $972 on momondo.

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

You could potentially save up to 26% 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

Best Price Found	$422
Fastest flight time	20h 05m
Direct flights	None

The best one-way flight to Vietnam from Chicago O'Hare Intl Airport in the past 72 hours is $422. The best round-trip flight deal from Chicago O'Hare Intl Airport to Vietnam found on momondo in the last 72 hours is $831.

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 August 2026, there are 12 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
Japan Airlines	PriceFrom $658	Free Cancellation	Rating 8.3 1,909 reviews	Search Japan Airlines flights
Air India	PriceFrom $662	Free Cancellation	Rating 5.5 2,941 reviews	Search Air India flights
Delta	PriceFrom $681	Free Cancellation	Rating 7.8 8,522 reviews	Search Delta flights
Cathay Pacific	PriceFrom $709	Free Cancellation	Rating 7.6 1,456 reviews	Search Cathay Pacific flights
Turkish Airlines	PriceFrom $774	Free Cancellation	Rating 7.4 4,479 reviews	Search Turkish Airlines flights
Korean Air	PriceFrom $775	Free Cancellation	Rating 8.4 1,221 reviews	Search Korean Air flights
ANA	PriceFrom $785	Free Cancellation	Rating 8.3 1,302 reviews	Search ANA flights
American Airlines	PriceFrom $801	Free Cancellation	Rating 7.1 11,987 reviews	Search American Airlines flights
United Airlines	PriceFrom $852	Free Cancellation	Rating 7.4 10,116 reviews	Search United Airlines flights
Philippine Airlines	PriceFrom $852	Free Cancellation	Rating 7.3 1,019 reviews	Search Philippine Airlines 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.