How long does it take to fly to Hanoi?

If you’re flying from a popular airport in Illinois, such as Chicago or Moline, and flying into Hanoi, then you can expect flight times to average 22h 22m and 43h 35m, respectively.

What is the cheapest airline that flies from Illinois to Hanoi Noibai?

Etihad Airways, United Airlines, and Turkish Airlines are the most popular carriers operating from Illinois to Hanoi Noibai

What airlines fly to Hanoi?

EVA Air, Cathay Pacific and Korean Air are the top three most popular airlines that fly to Hanoi from Illinois according to our data. EVA Air is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Hanoi. Keep in mind that there are 9 different airlines that fly to Hanoi on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Illinois to Hanoi Noibai Airport?

Prices for flights from Illinois to Hanoi Noibai Airport were last updated today.

How many operators does momondo search for flights from Illinois to Hanoi Noibai Airport?

The number of operators available for flights from Illinois to Hanoi Noibai Airport is 9 as of May 2026.

How old do you have to be to fly from Illinois 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 Illinois to Hanoi Noibai Airport.

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

The required travel and health documents for your Hanoi Noibai Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Hanoi Noibai Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$452 Cheap Flights from Illinois to Hanoi in 2026

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Find the cheapest flights from Illinois to Hanoi

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:15 pm - 3:35 pm

ORD

HAN

35h 20m

1 stop

11:00 am - 1:55 pm

HAN

ORD

38h 55m

1 stop

$917Cathay Pacific

Mon, Sep 28 - Mon, Oct 12

4:15 pm - 3:35 pm

ORD

HAN

35h 20m

1 stop

7:10 pm - 1:55 pm

HAN

ORD

30h 45m

1 stop

$918Cathay Pacific

Mon, Sep 28 - Mon, Oct 12

2:35 pm - 6:30 pm

ORD

HAN

38h 55m

1 stop

7:30 pm - 12:55 pm

HAN

ORD

30h 25m

1 stop

$954Cathay Pacific

Tue, Nov 3 - Tue, Nov 10

4:00 pm - 9:55 am

ORD

HAN

29h 55m

1 stop

10:25 am - 1:55 pm

HAN

ORD

39h 30m

1 stop

$967Cathay Pacific

Fri, Sep 4 - Sun, Sep 20

6:00 am - 1:55 pm

STL

HAN

43h 55m

2 stops

7:30 pm - 11:59 pm

HAN

STL

40h 29m

2 stops

$1,064Multiple Airlines

Mon, Sep 7 - Wed, Sep 23

6:00 am - 7:15 am

STL

HAN

37h 15m

2 stops

7:30 pm - 2:21 pm

HAN

STL

54h 51m

2 stops

$1,071Multiple Airlines

Mon, Sep 7 - Mon, Sep 21

6:00 am - 7:15 am

STL

HAN

37h 15m

2 stops

7:30 pm - 11:59 pm

HAN

STL

40h 29m

2 stops

$1,195Qatar Airways

Sun, Sep 6 - Wed, Sep 23

6:00 am - 7:15 am

STL

HAN

37h 15m

2 stops

7:30 pm - 11:59 pm

HAN

STL

40h 29m

2 stops

$1,235Qatar Airways

Fri, Sep 11 - Wed, Sep 23

7:05 pm - 9:35 pm

STL

HAN

38h 30m

2 stops

11:10 pm - 1:17 pm

HAN

STL

26h 07m

2 stops

$1,240Delta

Sun, Sep 6 - Mon, Sep 21

9:30 am - 10:35 am

MDW

HAN

37h 05m

2 stops

11:10 pm - 9:46 pm

HAN

MDW

34h 36m

2 stops

$1,281Delta

Thu, Sep 3 - Sun, Sep 6

Cathay Pacific flights from Illinois to Hanoi

Our best Cathay Pacific deals on Illinois to Hanoi flight tickets

Cathay Pacific

Sep 28

ORD4:15 pmChicago O'Hare Intl

35h 20m

1 stop

HAN3:35 pmHanoi Noibai

Oct 12

HAN11:00 amHanoi Noibai

38h 55m

1 stop

ORD1:55 pmChicago O'Hare Intl

$917

Cathay Pacific

Sep 28

ORD4:15 pmChicago O'Hare Intl

35h 20m

1 stop

HAN3:35 pmHanoi Noibai

Oct 12

HAN7:10 pmHanoi Noibai

30h 45m

1 stop

ORD1:55 pmChicago O'Hare Intl

$918

Cathay Pacific

Nov 3

ORD2:35 pmChicago O'Hare Intl

38h 55m

1 stop

HAN6:30 pmHanoi Noibai

Nov 10

HAN7:30 pmHanoi Noibai

30h 25m

1 stop

ORD12:55 pmChicago O'Hare Intl

$954

United Airlines flights from Illinois to Hanoi

Our best United Airlines deals on Illinois to Hanoi flight tickets

United Airlines

Nov 1

STL8:15 pmLambert-St Louis

37h 50m

2 stops

HAN11:05 pmHanoi Noibai

Nov 4

HAN12:25 amHanoi Noibai

30h 28m

2 stops

STL5:53 pmLambert-St Louis

$1,415

United Airlines

May 18

ORD6:00 amChicago O'Hare Intl

28h 35m

2 stops

HAN10:35 pmHanoi Noibai

Jun 14

HAN11:35 pmHanoi Noibai

33h 05m

2 stops

ORD8:40 pmChicago O'Hare Intl

$1,419

United Airlines

Oct 20

STL9:23 amLambert-St Louis

24h 52m

2 stops

HAN10:15 pmHanoi Noibai

Oct 23

HAN11:35 pmHanoi Noibai

31h 50m

2 stops

STL7:25 pmLambert-St Louis

$1,449

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoHanoi

ORD - HAN

ORDHAN

Chicago O'Hare Intl

Mon 9/28

4:15 pm-3:35 pm

1 stop35h 20m

Hanoi Noibai

Mon 10/12

11:00 am-1:55 pm

1 stop38h 55m

$917

ChicagoHanoi

ORD - HAN

ORDHAN

Chicago O'Hare Intl

Mon 9/28

4:15 pm-3:35 pm

1 stop35h 20m

Hanoi Noibai

Mon 10/12

7:10 pm-1:55 pm

1 stop30h 45m

$918

ChicagoHanoi

ORD - HAN

ORDHAN

Chicago O'Hare Intl

Tue 11/3

2:35 pm-6:30 pm

1 stop38h 55m

Hanoi Noibai

Tue 11/10

7:30 pm-12:55 pm

1 stop30h 25m

$954

ChicagoHanoi

ORD - HAN

ORDHAN

Chicago O'Hare Intl

Fri 9/4

4:00 pm-9:55 am

1 stop29h 55m

Hanoi Noibai

Sun 9/20

10:25 am-1:55 pm

1 stop39h 30m

$967

St. LouisHanoi

STL - HAN

STLHAN

Lambert-St Louis

Mon 9/7

6:00 am-1:55 pm

2 stops43h 55m

Hanoi Noibai

Wed 9/23

7:30 pm-11:59 pm

2 stops40h 29m

$1,064

St. LouisHanoi

STL - HAN

STLHAN

Lambert-St Louis

Mon 9/7

6:00 am-7:15 am

2 stops37h 15m

Hanoi Noibai

Mon 9/21

7:30 pm-2:21 pm

2 stops54h 51m

$1,071

St. LouisHanoi

STL - HAN

STLHAN

Lambert-St Louis

Sun 9/6

6:00 am-7:15 am

2 stops37h 15m

Hanoi Noibai

Wed 9/23

7:30 pm-11:59 pm

2 stops40h 29m

$1,195

St. LouisHanoi

STL - HAN

STLHAN

Lambert-St Louis

Fri 9/11

6:00 am-7:15 am

2 stops37h 15m

Hanoi Noibai

Wed 9/23

7:30 pm-11:59 pm

2 stops40h 29m

$1,235

Quickest round-trip

St. LouisHanoi

STL - HAN

STLHAN

Lambert-St Louis

Sun 9/6

7:05 pm-9:35 pm

2 stops38h 30m

Hanoi Noibai

Mon 9/21

11:10 pm-1:17 pm

2 stops26h 07m

$1,240

ChicagoHanoi

MDW - HAN

MDWHAN

Chicago Midway

Thu 9/3

9:30 am-10:35 am

2 stops37h 05m

Hanoi Noibai

Sun 9/6

11:10 pm-9:46 pm

2 stops34h 36m

$1,281

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 Illinois 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

Prices

Airlines

Other information

What is the cheapest month to fly to Hanoi?

The cheapest month to fly to Hanoi from Illinois is in January. Flight prices, which tend to average around $514, are often lower during this time because this is during the off-season. If you’re not able to fly to Hanoi in January, then March is your next best option. Flight prices from Illinois to Hanoi during March average around $598.

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

You are more likely to see cheaper flights to Hanoi from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Hanoi for around $1,137 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Hanoi from Illinois for as low as $861 on momondo.

Can stopping save me money on Illinois to Hanoi flights?

You could potentially save up to 36% on your flight if you consider stops on a Illinois to Hanoi flight.

Cheap Illinois to Hanoi flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Hanoi

Fastest flight time	21h 05m
Direct flights	None

The fastest flight from Illinois to Hanoi takes 21h 05m

There are no direct flights from Illinois to Hanoi. There are no popular flight routes from Illinois to Hanoi.

Search flight deals

Frequently asked questions about flying from Illinois to Hanoi

When did momondo last update prices for flights from Illinois to Hanoi Noibai Airport?
Prices for flights from Illinois to Hanoi Noibai Airport were last updated today.
How many operators does momondo search for flights from Illinois to Hanoi Noibai Airport?
The number of operators available for flights from Illinois to Hanoi Noibai Airport is 9 as of May 2026.
How old do you have to be to fly from Illinois 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 Illinois to Hanoi Noibai Airport.
What documentation or ID do you need to fly to Hanoi Noibai Airport?
The required travel and health documents for your Hanoi Noibai Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Hanoi Noibai Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Illinois to Hanoi

Compare and see reviews for airlines that fly from Illinois to Hanoi with momondo

Airline	Rating	Free Cancellation	Price
ANA	PriceFrom $683	Free Cancellation	Rating 8.3 1,210 reviews	Search ANA flights
Cathay Pacific	PriceFrom $696	Free Cancellation	Rating 7.6 1,331 reviews	Search Cathay Pacific flights
United Airlines	PriceFrom $704	Free Cancellation	Rating 7.4 9,729 reviews	Search United Airlines flights
Korean Air	PriceFrom $768	Free Cancellation	Rating 8.4 1,217 reviews	Search Korean Air flights
American Airlines	PriceFrom $801	Free Cancellation	Rating 7.1 11,665 reviews	Search American Airlines flights
Japan Airlines	PriceFrom $814	Free Cancellation	Rating 8.3 1,825 reviews	Search Japan Airlines flights
Etihad Airways	PriceFrom $817	Free Cancellation	Rating 7.3 1,439 reviews	Search Etihad Airways flights
Turkish Airlines	PriceFrom $897	Free Cancellation	Rating 7.4 4,368 reviews	Search Turkish Airlines flights
EVA Air	PriceFrom $929	Free Cancellation	Rating 8.5 1,447 reviews	Search EVA Air flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Illinois to Hanoi. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. All flights to Hanoi from Illinois on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Hanoi from Illinois.

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

Yes momondo offers price alerts on flights to Hanoi from Illinois. 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.