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Cheap flights from Chicago O'Hare Intl Airport to Hanoi from $377

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 9/16. 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

Cathay Pacific Logo
4:00 pm - 6:05 pmORD-HAN
38h 05m1 stop
Cathay Pacific Logo
10:30 am - 2:25 pmHAN-ORD
39h 55m1 stop
$694Cathay Pacific
Find Deal
Thu, Oct 2 - Sun, Oct 12
Cathay Pacific Logo
4:00 pm - 6:05 pmORD-HAN
38h 05m1 stop
Cathay Pacific Logo
10:30 am - 2:25 pmHAN-ORD
39h 55m1 stop
$695Cathay Pacific
Find Deal
Thu, Oct 2 - Sun, Oct 12
Cathay Pacific Logo
2:40 pm - 10:05 amORD-HAN
30h 25m1 stop
Cathay Pacific Logo
11:05 am - 1:00 pmHAN-ORD
38h 55m1 stop
$697Cathay Pacific
Find Deal
Mon, Nov 17 - Wed, Nov 26
ANA Logo
6:47 am - 11:05 pmORD-HAN
27h 18m2 stops
ANA Logo
12:25 am - 1:50 pmHAN-ORD
26h 25m1 stop
$850ANA
Find Deal
Mon, Jan 12 - Sun, Jan 18
Korean Air Logo
11:15 am - 9:45 pmORD-HAN
21h 30m1 stop
Korean Air Logo
11:05 pm - 8:30 amHAN-ORD
22h 25m1 stop
$869Korean Air
Find Deal
Thu, Nov 6 - Sun, Nov 23
Turkish Airlines Logo
8:20 pm - 3:25 pmORD-HAN
30h 05m1 stop
Turkish Airlines Logo
8:50 am - 10:05 amHAN-ORD
38h 15m1 stop
$879Turkish Airlines
Find Deal
Tue, Dec 2 - Wed, Dec 10
United Airlines Logo
6:00 am - 11:05 pmORD-HAN
28h 05m2 stops
United Airlines Logo
12:25 am - 1:50 pmHAN-ORD
26h 25m1 stop
$882United Airlines
Find Deal
Fri, Nov 14 - Fri, Nov 28
ANA Logo
7:10 am - 11:05 pmORD-HAN
26h 55m2 stops
ANA Logo
12:25 am - 1:50 pmHAN-ORD
26h 25m1 stop
$885ANA
Find Deal
Wed, Jan 21 - Tue, Feb 10
United Airlines Logo
10:30 am - 11:05 pmORD-HAN
23h 35m1 stop
United Airlines Logo
12:25 am - 6:00 amHAN-ORD
41h 35m2 stops
$896United Airlines
Find Deal
Sat, Mar 7 - Fri, Mar 20
Turkish Airlines Logo
8:20 pm - 3:25 pmORD-HAN
30h 05m1 stop
Turkish Airlines Logo
8:50 am - 10:05 amHAN-ORD
38h 15m1 stop
$934Turkish Airlines
Find Deal
Wed, Jan 7 - Wed, Jan 21

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
Sep 14
ORD11:50 amChicago O'Hare Intl
22h 25m
1 stop
HAN10:15 pmHanoi Noibai
Sep 27
HAN11:35 pmHanoi Noibai
27h 20m
1 stop
ORD2:55 pmChicago O'Hare Intl
$846
Find similar
ANA
Jan 12
ORD6:47 amChicago O'Hare Intl
27h 18m
2 stops
HAN11:05 pmHanoi Noibai
Jan 18
HAN12:25 amHanoi Noibai
26h 25m
1 stop
ORD1:50 pmChicago O'Hare Intl
$850
Find similar
ANA
Jan 21
ORD7:10 amChicago O'Hare Intl
26h 55m
2 stops
HAN11:05 pmHanoi Noibai
Feb 10
HAN12:25 amHanoi Noibai
26h 25m
1 stop
ORD1:50 pmChicago O'Hare Intl
$885
Find similar

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

Our best China Airlines deals on Chicago O'Hare Intl Airport to Hanoi flight tickets
China Airlines
Feb 17
ORD2:00 pmChicago O'Hare Intl
31h 35m
2 stops
HAN10:35 amHanoi Noibai
Mar 31
HAN5:50 pmHanoi Noibai
23h 10m
2 stops
ORD5:00 amChicago O'Hare Intl
$878
Find similar
China Airlines
Jan 11
ORD6:50 pmChicago O'Hare Intl
32h 40m
2 stops
HAN4:30 pmHanoi Noibai
Jan 19
HAN11:35 amHanoi Noibai
38h 29m
2 stops
ORD1:04 pmChicago O'Hare Intl
$886
Find similar
China Airlines
Oct 7
ORD6:00 amChicago O'Hare Intl
46h 50m
2 stops
HAN4:50 pmHanoi Noibai
Oct 13
HAN5:50 pmHanoi Noibai
24h 34m
2 stops
ORD6:24 amChicago O'Hare Intl
$949
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 September 8, 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

Thu 10/2

4:00 pm-6:05 pm

1 stop38h 05m

Hanoi Noibai

Sun 10/12

10:30 am-2:25 pm

1 stop39h 55m

$694

ChicagoHanoi

ORD - HAN

ORDHAN

Chicago O'Hare Intl

Thu 10/2

4:00 pm-6:05 pm

1 stop38h 05m

Hanoi Noibai

Sun 10/12

10:30 am-2:25 pm

1 stop39h 55m

$695

ChicagoHanoi

ORD - HAN

ORDHAN

Chicago O'Hare Intl

Mon 11/17

2:40 pm-10:05 am

1 stop30h 25m

Hanoi Noibai

Wed 11/26

11:05 am-1:00 pm

1 stop38h 55m

$697

ChicagoHanoi

ORD - HAN

ORDHAN

Chicago O'Hare Intl

Mon 1/12

6:47 am-11:05 pm

2 stops27h 18m

Hanoi Noibai

Sun 1/18

12:25 am-1:50 pm

1 stop26h 25m

$850

ChicagoHanoi

ORD - HAN

ORDHAN

Chicago O'Hare Intl

Thu 11/6

11:15 am-9:45 pm

1 stop21h 30m

Hanoi Noibai

Sun 11/23

11:05 pm-8:30 am

1 stop22h 25m

$869

ChicagoHanoi

ORD - HAN

ORDHAN

Chicago O'Hare Intl

Tue 12/2

8:20 pm-3:25 pm

1 stop30h 05m

Hanoi Noibai

Wed 12/10

8:50 am-10:05 am

1 stop38h 15m

$879

ChicagoHanoi

ORD - HAN

ORDHAN

Chicago O'Hare Intl

Fri 11/14

6:00 am-11:05 pm

2 stops28h 05m

Hanoi Noibai

Fri 11/28

12:25 am-1:50 pm

1 stop26h 25m

$882

ChicagoHanoi

ORD - HAN

ORDHAN

Chicago O'Hare Intl

Wed 1/21

7:10 am-11:05 pm

2 stops26h 55m

Hanoi Noibai

Tue 2/10

12:25 am-1:50 pm

1 stop26h 25m

$885

ChicagoHanoi

ORD - HAN

ORDHAN

Chicago O'Hare Intl

Sat 3/7

10:30 am-11:05 pm

1 stop23h 35m

Hanoi Noibai

Fri 3/20

12:25 am-6:00 am

2 stops41h 35m

$896

ChicagoHanoi

ORD - HAN

ORDHAN

Chicago O'Hare Intl

Wed 1/7

8:20 pm-3:25 pm

1 stop30h 05m

Hanoi Noibai

Wed 1/21

8:50 am-10:05 am

1 stop38h 15m

$934

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 September. Flight prices, which tend to average around $874, are often lower during this time because this is during the off-season. If you’re not able to fly to Hanoi in September, then April is your next best option. Flight prices from Chicago O'Hare Intl Airport to Hanoi during April average around $893.

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 $1,181 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 $879 on momondo.

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

You could potentially save up to 10% 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?

As of September 2025, prices for Chicago O'Hare Intl Airport to Hanoi flights are approximately 14% more expensive when compared to flights at the same time last year.

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

Direct flights

None
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 30m.

  • 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
Cathay PacificPriceFrom $696Free CancellationRating
7.6
988 reviews
Search Cathay Pacific flights
ANAPriceFrom $714Free CancellationRating
8.4
958 reviews
Search ANA flights
Korean AirPriceFrom $768Free CancellationRating
8.4
1,138 reviews
Search Korean Air flights
Turkish AirlinesPriceFrom $807Free CancellationRating
7.3
3,963 reviews
Search Turkish Airlines flights
United AirlinesPriceFrom $829Free CancellationRating
7.4
8,944 reviews
Search United Airlines flights
Japan AirlinesPriceFrom $869Free CancellationRating
8.3
1,558 reviews
Search Japan Airlines flights
DeltaPriceFrom $968Free CancellationRating
7.9
7,966 reviews
Search Delta flights
EVA AirPriceFrom $978Free CancellationRating
8.4
1,235 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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