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Cheap flights from Chicago O'Hare Intl Airport to Hanoi from $365

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 Hanoi departing on 1/17. 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 Hanoi

Cheap round-trip flights

Enter your travel dates to find the best prices.
Cathay Pacific Logo
2:35 pm - 10:05 amORD-HAN
30h 30m1 stop
Cathay Pacific Logo
7:30 pm - 12:55 pmHAN-ORD
30h 25m1 stop
$739Cathay Pacific
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Wed, Jan 21 - Wed, Feb 11
Cathay Pacific Logo
2:35 pm - 10:05 amORD-HAN
30h 30m1 stop
Cathay Pacific Logo
7:30 pm - 12:55 pmHAN-ORD
30h 25m1 stop
$745Cathay Pacific
Find Deal
Thu, Jan 15 - Tue, Jan 27
Cathay Pacific Logo
4:00 pm - 6:05 pmORD-HAN
38h 05m1 stop
Cathay Pacific Logo
10:55 am - 2:25 pmHAN-ORD
39h 30m1 stop
$789Cathay Pacific
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Thu, Apr 9 - Fri, Apr 24
American Airlines Logo
10:35 am - 10:30 pmORD-HAN
22h 55m1 stop
American Airlines Logo
11:55 pm - 9:23 pmHAN-ORD
34h 28m2 stops
$803American Airlines
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Tue, Jan 13 - Thu, Jan 22
American Airlines Logo
7:00 am - 10:30 pmORD-HAN
26h 30m2 stops
American Airlines Logo
11:55 pm - 9:23 pmHAN-ORD
34h 28m2 stops
$820American Airlines
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Tue, Jan 13 - Thu, Jan 22
ANA Logo
7:10 am - 11:05 pmORD-HAN
26h 55m2 stops
ANA Logo
12:25 am - 1:50 pmHAN-ORD
26h 25m1 stop
$837ANA
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Mon, Jan 26 - Thu, Feb 12
Cathay Pacific Logo
2:35 pm - 6:30 pmORD-HAN
38h 55m1 stop
Cathay Pacific Logo
11:05 am - 12:55 pmHAN-ORD
38h 50m1 stop
$839Cathay Pacific
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Sun, Jan 18 - Sat, Feb 7
Cathay Pacific Logo
4:00 pm - 6:05 pmORD-HAN
38h 05m1 stop
Cathay Pacific Logo
7:05 pm - 2:25 pmHAN-ORD
31h 20m1 stop
$854Cathay Pacific
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Tue, Apr 14 - Sun, May 3
China Airlines Logo
3:20 pm - 10:35 amORD-HAN
31h 15m2 stops
China Airlines Logo
5:50 pm - 5:00 amHAN-ORD
23h 10m2 stops
$859China Airlines
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Tue, Apr 7 - Tue, Apr 21
Cathay Pacific Logo
4:00 pm - 9:55 amORD-HAN
29h 55m1 stop
Cathay Pacific Logo
7:05 pm - 2:25 pmHAN-ORD
31h 20m1 stop
$866Cathay Pacific
Find Deal
Wed, Apr 15 - Mon, May 4

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

Our best Cathay Pacific deals on Chicago O'Hare Intl Airport to Hanoi flight tickets
Cathay Pacific
Jan 21
ORD2:35 pmChicago O'Hare Intl
30h 30m
1 stop
HAN10:05 amHanoi Noibai
Feb 11
HAN7:30 pmHanoi Noibai
30h 25m
1 stop
ORD12:55 pmChicago O'Hare Intl
$739
Find similar
Cathay Pacific
Jan 15
ORD2:35 pmChicago O'Hare Intl
30h 30m
1 stop
HAN10:05 amHanoi Noibai
Jan 27
HAN7:30 pmHanoi Noibai
30h 25m
1 stop
ORD12:55 pmChicago O'Hare Intl
$745
Find similar
Cathay Pacific
Apr 9
ORD4:00 pmChicago O'Hare Intl
38h 05m
1 stop
HAN6:05 pmHanoi Noibai
Apr 24
HAN10:55 amHanoi Noibai
39h 30m
1 stop
ORD2:25 pmChicago O'Hare Intl
$789
Find similar

ANA flights from Chicago O'Hare Intl Airport to Hanoi

Our best ANA deals on Chicago O'Hare Intl Airport to Hanoi flight tickets
ANA
Jan 26
ORD7:10 amChicago O'Hare Intl
26h 55m
2 stops
HAN11:05 pmHanoi Noibai
Feb 12
HAN12:25 amHanoi Noibai
26h 25m
1 stop
ORD1:50 pmChicago O'Hare Intl
$837
Find similar
ANA
Jan 8
ORD7:10 amChicago O'Hare Intl
26h 55m
2 stops
HAN11:05 pmHanoi Noibai
Jan 22
HAN12:25 amHanoi Noibai
26h 25m
1 stop
ORD1:50 pmChicago O'Hare Intl
$884
Find similar
ANA
Apr 12
ORD11:50 amChicago O'Hare Intl
22h 25m
1 stop
HAN10:15 pmHanoi Noibai
May 4
HAN11:35 pmHanoi Noibai
27h 20m
1 stop
ORD2:55 pmChicago O'Hare Intl
$885
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport to Hanoi 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 25, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Hanoi that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoHanoi

ORD - HAN

ORDHAN

Chicago O'Hare Intl

Wed 1/21

2:35 pm-10:05 am

1 stop30h 30m

Hanoi Noibai

Wed 2/11

7:30 pm-12:55 pm

1 stop30h 25m

$739

ChicagoHanoi

ORD - HAN

ORDHAN

Chicago O'Hare Intl

Thu 1/15

2:35 pm-10:05 am

1 stop30h 30m

Hanoi Noibai

Tue 1/27

7:30 pm-12:55 pm

1 stop30h 25m

$745

ChicagoHanoi

ORD - HAN

ORDHAN

Chicago O'Hare Intl

Thu 4/9

4:00 pm-6:05 pm

1 stop38h 05m

Hanoi Noibai

Fri 4/24

10:55 am-2:25 pm

1 stop39h 30m

$789

ChicagoHanoi

ORD - HAN

ORDHAN

Chicago O'Hare Intl

Tue 1/13

10:35 am-10:30 pm

1 stop22h 55m

Hanoi Noibai

Thu 1/22

11:55 pm-9:23 pm

2 stops34h 28m

$803

ChicagoHanoi

ORD - HAN

ORDHAN

Chicago O'Hare Intl

Tue 1/13

7:00 am-10:30 pm

2 stops26h 30m

Hanoi Noibai

Thu 1/22

11:55 pm-9:23 pm

2 stops34h 28m

$820

ChicagoHanoi

ORD - HAN

ORDHAN

Chicago O'Hare Intl

Mon 1/26

7:10 am-11:05 pm

2 stops26h 55m

Hanoi Noibai

Thu 2/12

12:25 am-1:50 pm

1 stop26h 25m

$837

ChicagoHanoi

ORD - HAN

ORDHAN

Chicago O'Hare Intl

Sun 1/18

2:35 pm-6:30 pm

1 stop38h 55m

Hanoi Noibai

Sat 2/7

11:05 am-12:55 pm

1 stop38h 50m

$839

ChicagoHanoi

ORD - HAN

ORDHAN

Chicago O'Hare Intl

Tue 4/14

4:00 pm-6:05 pm

1 stop38h 05m

Hanoi Noibai

Sun 5/3

7:05 pm-2:25 pm

1 stop31h 20m

$854

ChicagoHanoi

ORD - HAN

ORDHAN

Chicago O'Hare Intl

Tue 4/7

3:20 pm-10:35 am

2 stops31h 15m

Hanoi Noibai

Tue 4/21

5:50 pm-5:00 am

2 stops23h 10m

$859

ChicagoHanoi

ORD - HAN

ORDHAN

Chicago O'Hare Intl

Wed 4/15

4:00 pm-9:55 am

1 stop29h 55m

Hanoi Noibai

Mon 5/4

7:05 pm-2:25 pm

1 stop31h 20m

$866

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 Hanoi from

How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to Hanoi

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 Hanoi?

The cheapest month to fly to Hanoi from Chicago O'Hare Intl Airport is in October. Flight prices, which tend to average around $844, are often lower during this time because this is during the off-season. If you’re not able to fly to Hanoi in October, then September is your next best option. Flight prices from Chicago O'Hare Intl Airport to Hanoi during September average around $865.

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

According to our data, Wednesday is the cheapest day to fly to Hanoi from Chicago O'Hare Intl Airport. The lowest ticket price found for a Wednesday departure recently was $1,185. 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 Friday as prices are generally higher than usual. According to our data, the average ticket price to Hanoi on Friday is $1,306.

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

Our most recent data shows that the best time of day to fly to Hanoi is at noon. Flights from Chicago O'Hare Intl Airport to Hanoi during this time can be as low as $944. Try not to purchase tickets in the afternoon because they tend to be around $1,394. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You are more likely to see cheaper flights to Hanoi from Chicago O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Hanoi for around $1,129 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Hanoi from Chicago O'Hare Intl Airport for as low as $842 on momondo.

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

You could potentially save up to 18% on your flight if you consider stops on a Chicago O'Hare Intl Airport to Hanoi flight.

How have Chicago O'Hare Intl Airport to Hanoi flight prices changed over time?

When to book flights from Chicago O'Hare Intl Airport to Hanoi

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport to Hanoi according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago O'Hare Intl Airport to Hanoi (ORD to HAN) flight deals and tips

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

Fastest flight time

23h 05m

Direct flights

None
The fastest flight from Chicago O'Hare Intl Airport to Hanoi takes 23h 05m
There are no direct flights from Chicago O'Hare Intl Airport to Hanoi. There are no popular flight routes from Chicago O'Hare Intl Airport to Hanoi.
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  • How far is Chicago O'Hare Intl to Hanoi Noibai by plane?

    A flight from Chicago O'Hare Intl to Hanoi Noibai will travel around 7991.1 mi. In terms of flight time, this usually takes a little over 21h 20m.

  • When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Hanoi Noibai Airport?

    Prices for flights from Chicago O'Hare Intl Airport to Hanoi Noibai Airport were last updated today.

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

  • How old do you have to be to fly from Chicago O'Hare Intl Airport to Hanoi Noibai Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Chicago O'Hare Intl Airport to Hanoi Noibai Airport.

  • What documentation or ID do you need to fly to Hanoi Noibai Airport?

    The necessary travel and health documents for your Hanoi Noibai Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Chicago O'Hare Intl Airport to Hanoi?

Best airlines flying from Chicago O'Hare Intl Airport to Hanoi

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Hanoi with momondo
Airline
Rating
Free Cancellation
Price
ANAPriceFrom $683Free CancellationRating
8.4
1,010 reviews
Search ANA flights
Cathay PacificPriceFrom $696Free CancellationRating
7.6
1,068 reviews
Search Cathay Pacific flights
Korean AirPriceFrom $750Free CancellationRating
8.4
1,170 reviews
Search Korean Air flights
Turkish AirlinesPriceFrom $816Free CancellationRating
7.3
4,059 reviews
Search Turkish Airlines flights
United AirlinesPriceFrom $829Free CancellationRating
7.4
9,046 reviews
Search United Airlines flights
Japan AirlinesPriceFrom $869Free CancellationRating
8.3
1,630 reviews
Search Japan Airlines flights
DeltaPriceFrom $879Free CancellationRating
7.9
7,999 reviews
Search Delta flights
EVA AirPriceFrom $978Free CancellationRating
8.4
1,283 reviews
Search EVA Air flights

Why use momondo?

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

It is quick and easy to find Chicago to Hanoi flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Hanoi that suits you.

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

Yes. momondo enables you to select and highlight flights to Hanoi from Chicago with this policy.

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

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

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

Yes momondo offers price alerts on flights to Hanoi from Chicago. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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