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Cheap flights from Chicago O'Hare Intl Airport to Hanoi from $363

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 1/20. 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
9:35 am - 2:25 pmHAN-ORD
40h 50m1 stop
$687Cathay Pacific
Find Deal
Do, Okt 2 - So, Okt 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
$688Cathay Pacific
Find Deal
Do, Okt 2 - So, Okt 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
$690Cathay Pacific
Find Deal
Mi, Nov 12 - Mi, Dez 17
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
$694Cathay Pacific
Find Deal
Mo, Sep 29 - So, Okt 12
Cathay Pacific Logo
4:00 pm - 9:55 amORD-HAN
29h 55m1 stop
Cathay Pacific Logo
11:05 am - 2:00 pmHAN-ORD
38h 55m1 stop
$704Cathay Pacific
Find Deal
Di, Sep 30 - Di, Okt 28
Korean Air Logo
11:15 am - 9:45 pmORD-HAN
21h 30m1 stop
Korean Air Logo
12:20 pm - 8:30 amHAN-ORD
33h 10m1 stop
$869Korean Air
Find Deal
Mi, Nov 12 - Sa, Dez 20
Delta Logo
11:02 am - 9:35 pmORD-HAN
22h 33m2 stops
Delta Logo
12:20 pm - 11:50 pmHAN-ORD
23h 30m2 stops
$880Delta
Find Deal
Mi, Okt 22 - Di, Okt 28
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
$881Turkish Airlines
Find Deal
Di, Dez 2 - Mi, Dez 10
United Airlines Logo
9:05 pm - 10:15 pmORD-HAN
37h 10m2 stops
United Airlines Logo
11:35 pm - 2:55 pmHAN-ORD
27h 20m1 stop
$882United Airlines
Find Deal
Fr, Okt 3 - Sa, Okt 18
United Airlines Logo
7:19 am - 10:15 pmORD-HAN
26h 56m2 stops
United Airlines Logo
11:35 pm - 3:10 pmHAN-ORD
27h 35m1 stop
$889United Airlines
Find Deal
Mi, Sep 24 - Mi, Okt 8

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 2
ORD2:00 pmChicago O'Hare Intl
37h 30m
2 stops
HAN4:30 pmHanoi Noibai
Feb 16
HAN11:35 amHanoi Noibai
30h 29m
2 stops
ORD5:04 amChicago O'Hare Intl
$877
Find similar
China Airlines
Feb 3
ORD2:00 pmChicago O'Hare Intl
37h 30m
2 stops
HAN4:30 pmHanoi Noibai
Feb 17
HAN5:30 pmHanoi Noibai
24h 34m
2 stops
ORD5:04 amChicago O'Hare Intl
$878
Find similar

Delta flights from Chicago O'Hare Intl Airport to Hanoi

Our best Delta deals on Chicago O'Hare Intl Airport to Hanoi flight tickets
Delta
Oct 22
ORD11:02 amChicago O'Hare Intl
22h 33m
2 stops
HAN9:35 pmHanoi Noibai
Oct 28
HAN12:20 pmHanoi Noibai
23h 30m
2 stops
ORD11:50 pmChicago O'Hare Intl
$880
Find similar
Delta
Sep 15
ORD9:10 amChicago O'Hare Intl
24h 25m
2 stops
HAN9:35 pmHanoi Noibai
Sep 28
HAN11:10 pmHanoi Noibai
34h 15m
2 stops
ORD9:25 pmChicago O'Hare Intl
$936
Find similar
Delta
Sep 15
ORD8:52 amChicago O'Hare Intl
24h 43m
2 stops
HAN9:35 pmHanoi Noibai
Oct 2
HAN11:10 pmHanoi Noibai
36h 46m
2 stops
ORD11:56 pmChicago O'Hare Intl
$940
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 14, 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

Do 10/2

4:00 pm-6:05 pm

1 stop38h 05m

Hanoi Noibai

So 10/12

9:35 am-2:25 pm

1 stop40h 50m

$687

ChicagoHanoi

ORD - HAN

ORDHAN

Chicago O'Hare Intl

Do 10/2

4:00 pm-6:05 pm

1 stop38h 05m

Hanoi Noibai

So 10/12

10:30 am-2:25 pm

1 stop39h 55m

$688

ChicagoHanoi

ORD - HAN

ORDHAN

Chicago O'Hare Intl

Mi 11/12

2:40 pm-10:05 am

1 stop30h 25m

Hanoi Noibai

Mi 12/17

11:05 am-1:00 pm

1 stop38h 55m

$690

ChicagoHanoi

ORD - HAN

ORDHAN

Chicago O'Hare Intl

Mo 9/29

4:00 pm-6:05 pm

1 stop38h 05m

Hanoi Noibai

So 10/12

7:05 pm-2:25 pm

1 stop31h 20m

$694

ChicagoHanoi

ORD - HAN

ORDHAN

Chicago O'Hare Intl

Di 9/30

4:00 pm-9:55 am

1 stop29h 55m

Hanoi Noibai

Di 10/28

11:05 am-2:00 pm

1 stop38h 55m

$704

ChicagoHanoi

ORD - HAN

ORDHAN

Chicago O'Hare Intl

Mi 11/12

11:15 am-9:45 pm

1 stop21h 30m

Hanoi Noibai

Sa 12/20

12:20 pm-8:30 am

1 stop33h 10m

$869

ChicagoHanoi

ORD - HAN

ORDHAN

Chicago O'Hare Intl

Mi 10/22

11:02 am-9:35 pm

2 stops22h 33m

Hanoi Noibai

Di 10/28

12:20 pm-11:50 pm

2 stops23h 30m

$880

ChicagoHanoi

ORD - HAN

ORDHAN

Chicago O'Hare Intl

Di 12/2

8:20 pm-3:25 pm

1 stop30h 05m

Hanoi Noibai

Mi 12/10

8:50 am-10:05 am

1 stop38h 15m

$881

ChicagoHanoi

ORD - HAN

ORDHAN

Chicago O'Hare Intl

Fr 10/3

9:05 pm-10:15 pm

2 stops37h 10m

Hanoi Noibai

Sa 10/18

11:35 pm-2:55 pm

1 stop27h 20m

$882

ChicagoHanoi

ORD - HAN

ORDHAN

Chicago O'Hare Intl

Mi 9/24

7:19 am-10:15 pm

2 stops26h 56m

Hanoi Noibai

Mi 10/8

11:35 pm-3:10 pm

1 stop27h 35m

$889

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 $869, 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 $1,178 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 $866 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.
Search flight deals

  • 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
993 reviews
Search Cathay Pacific flights
ANAPriceFrom $714Free CancellationRating
8.4
961 reviews
Search ANA flights
Korean AirPriceFrom $768Free CancellationRating
8.4
1,139 reviews
Search Korean Air flights
Turkish AirlinesPriceFrom $807Free CancellationRating
7.3
3,968 reviews
Search Turkish Airlines flights
United AirlinesPriceFrom $829Free CancellationRating
7.4
8,931 reviews
Search United Airlines flights
Japan AirlinesPriceFrom $869Free CancellationRating
8.3
1,559 reviews
Search Japan Airlines flights
DeltaPriceFrom $968Free CancellationRating
7.9
7,956 reviews
Search Delta flights
EVA AirPriceFrom $978Free CancellationRating
8.4
1,236 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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