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Cheap flights from Chicago O'Hare Intl Airport to Vietnam from $359

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to Vietnam departing on 2/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Chicago O'Hare Intl Airport to Vietnam

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
10:35 am - 10:30 pmORD-HAN
22h 55m1 stop
American Airlines Logo
11:55 pm - 1:45 pmHAN-ORD
26h 50m1 stop
$802American Airlines
Find Deal
Sun, Jan 18 - Sat, Feb 7
American Airlines Logo
10:35 am - 10:30 pmORD-HAN
22h 55m1 stop
American Airlines Logo
11:55 pm - 1:45 pmHAN-ORD
26h 50m1 stop
$810American Airlines
Find Deal
Wed, Jan 21 - Wed, Feb 11
Cathay Pacific Logo
2:35 pm - 6:35 pmORD-SGN
39h 00m1 stop
Cathay Pacific Logo
7:35 pm - 12:55 pmSGN-ORD
30h 20m1 stop
$837Cathay Pacific
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Tue, Jan 20 - Mon, Feb 23
ANA Logo
7:10 am - 11:05 pmORD-HAN
26h 55m2 stops
ANA Logo
12:25 am - 1:50 pmHAN-ORD
26h 25m1 stop
$838ANA
Find Deal
Fri, Jan 23 - Thu, Jan 29
Cathay Pacific Logo
4:00 pm - 5:20 pmORD-SGN
37h 20m1 stop
Cathay Pacific Logo
11:05 am - 2:25 pmSGN-ORD
39h 20m1 stop
$840Cathay Pacific
Find Deal
Mon, Apr 6 - Sun, Apr 19
ANA Logo
4:25 pm - 9:50 pmORD-SGN
40h 25m1 stop
ANA Logo
7:30 am - 1:50 pmSGN-ORD
19h 20m1 stop
$856ANA
Find Deal
Tue, Nov 25 - Fri, Dec 19
EVA Air Logo
11:30 pm - 10:25 amORD-SGN
21h 55m1 stop
EVA Air Logo
1:55 am - 7:35 pmSGN-ORD
30h 40m1 stop
$896EVA Air
Find Deal
Tue, Feb 10 - Mon, Feb 16
Korean Air Logo
12:25 pm - 9:45 pmORD-HAN
21h 20m1 stop
Korean Air Logo
11:05 pm - 9:40 amHAN-ORD
22h 35m1 stop
$929Korean Air
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Fri, Mar 13 - Thu, Mar 26
EVA Air Logo
12:30 am - 11:05 amORD-HAN
22h 35m1 stop
EVA Air Logo
6:00 pm - 9:00 pmHAN-ORD
39h 00m1 stop
$952EVA Air
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Sun, Apr 5 - Sun, Apr 19
Korean Air Logo
12:25 pm - 2:00 pmORD-PQC
37h 35m1 stop
Korean Air Logo
12:10 am - 9:40 amPQC-ORD
21h 30m1 stop
$1,062Korean Air
Find Deal
Mon, Mar 23 - Wed, Apr 1

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
Jan 20
ORD2:35 pmChicago O'Hare Intl
39h 00m
1 stop
SGN6:35 pmHo Chi Minh City
Feb 23
SGN7:35 pmHo Chi Minh City
30h 20m
1 stop
ORD12:55 pmChicago O'Hare Intl
$837
Find similar
Cathay Pacific
Apr 6
ORD4:00 pmChicago O'Hare Intl
37h 20m
1 stop
SGN5:20 pmHo Chi Minh City
Apr 19
SGN11:05 amHo Chi Minh City
39h 20m
1 stop
ORD2:25 pmChicago O'Hare Intl
$840
Find similar
Cathay Pacific
Feb 11
ORD2:35 pmChicago O'Hare Intl
30h 30m
1 stop
HAN10:05 amHanoi Noibai
Mar 9
HAN10:30 amHanoi Noibai
39h 25m
1 stop
ORD1:55 pmChicago O'Hare Intl
$842
Find similar

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

Our best China Airlines deals on Chicago O'Hare Intl Airport to Vietnam flight tickets
China Airlines
Jan 27
ORD3:35 pmChicago O'Hare Intl
36h 15m
2 stops
SGN4:50 pmHo Chi Minh City
Apr 14
SGN10:50 amHo Chi Minh City
30h 10m
2 stops
ORD5:00 amChicago O'Hare Intl
$838
Find similar
China Airlines
Feb 7
ORD3:35 pmChicago O'Hare Intl
36h 15m
2 stops
SGN4:50 pmHo Chi Minh City
Mar 23
SGN11:00 amHo Chi Minh City
30h 00m
2 stops
ORD5:00 amChicago O'Hare Intl
$854
Find similar
China Airlines
Feb 1
ORD6:06 pmChicago O'Hare Intl
26h 54m
2 stops
SGN10:00 amHo Chi Minh City
Mar 15
SGN11:00 amHo Chi Minh City
30h 04m
2 stops
ORD5:04 amChicago O'Hare Intl
$886
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport 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, momondo users made 832,500 searches. Data last updated November 6, 2025.
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

ChicagoHanoi

ORD - HAN

ORDHAN

Chicago O'Hare Intl

Sun 1/18

10:35 am-10:30 pm

1 stop22h 55m

Hanoi Noibai

Sat 2/7

11:55 pm-1:45 pm

1 stop26h 50m

$802

ChicagoHanoi

ORD - HAN

ORDHAN

Chicago O'Hare Intl

Wed 1/21

10:35 am-10:30 pm

1 stop22h 55m

Hanoi Noibai

Wed 2/11

11:55 pm-1:45 pm

1 stop26h 50m

$810

ChicagoHo Chi Minh City

ORD - SGN

ORDSGN

Chicago O'Hare Intl

Tue 1/20

2:35 pm-6:35 pm

1 stop39h 00m

Ho Chi Minh City

Mon 2/23

7:35 pm-12:55 pm

1 stop30h 20m

$837

ChicagoHanoi

ORD - HAN

ORDHAN

Chicago O'Hare Intl

Fri 1/23

7:10 am-11:05 pm

2 stops26h 55m

Hanoi Noibai

Thu 1/29

12:25 am-1:50 pm

1 stop26h 25m

$838

ChicagoHo Chi Minh City

ORD - SGN

ORDSGN

Chicago O'Hare Intl

Mon 4/6

4:00 pm-5:20 pm

1 stop37h 20m

Ho Chi Minh City

Sun 4/19

11:05 am-2:25 pm

1 stop39h 20m

$840

ChicagoHo Chi Minh City

ORD - SGN

ORDSGN

Chicago O'Hare Intl

Tue 11/25

4:25 pm-9:50 pm

1 stop40h 25m

Ho Chi Minh City

Fri 12/19

7:30 am-1:50 pm

1 stop19h 20m

$856

ChicagoHo Chi Minh City

ORD - SGN

ORDSGN

Chicago O'Hare Intl

Tue 2/10

11:30 pm-10:25 am

1 stop21h 55m

Ho Chi Minh City

Mon 2/16

1:55 am-7:35 pm

1 stop30h 40m

$896

ChicagoHanoi

ORD - HAN

ORDHAN

Chicago O'Hare Intl

Fri 3/13

12:25 pm-9:45 pm

1 stop21h 20m

Hanoi Noibai

Thu 3/26

11:05 pm-9:40 am

1 stop22h 35m

$929

ChicagoHanoi

ORD - HAN

ORDHAN

Chicago O'Hare Intl

Sun 4/5

12:30 am-11:05 am

1 stop22h 35m

Hanoi Noibai

Sun 4/19

6:00 pm-9:00 pm

1 stop39h 00m

$952

ChicagoPhu Quoc

ORD - PQC

ORDPQC

Chicago O'Hare Intl

Mon 3/23

12:25 pm-2:00 pm

1 stop37h 35m

Phu Quoc Duong Dang

Wed 4/1

12:10 am-9:40 am

1 stop21h 30m

$1,062

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Vietnam from

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

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 $859. If you don’t want to visit Vietnam in September, 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 $970.

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 Chicago O'Hare Intl Airport. 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 Chicago O'Hare Intl Airport 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 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 $1,156 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 $961 on momondo.

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

You could potentially save up to 13% 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

Direct flights

None
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.
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  • 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?

  • 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
ANAPriceFrom $624Free CancellationRating
8.4
1,003 reviews
Search ANA flights
Cathay PacificPriceFrom $662Free CancellationRating
7.6
1,055 reviews
Search Cathay Pacific flights
DeltaPriceFrom $681Free CancellationRating
7.9
8,001 reviews
Search Delta flights
Korean AirPriceFrom $750Free CancellationRating
8.4
1,160 reviews
Search Korean Air flights
Japan AirlinesPriceFrom $770Free CancellationRating
8.3
1,604 reviews
Search Japan Airlines flights
Turkish AirlinesPriceFrom $816Free CancellationRating
7.3
4,032 reviews
Search Turkish Airlines flights
United AirlinesPriceFrom $829Free CancellationRating
7.4
9,007 reviews
Search United Airlines flights
American AirlinesPriceFrom $840Free CancellationRating
7.2
11,040 reviews
Search American Airlines flights
EVA AirPriceFrom $934Free CancellationRating
8.4
1,272 reviews
Search EVA Air 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.

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