How does KAYAK find such low prices on flights from Illinois to Hanoi?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Hanoi. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Hanoi?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Hanoi from Illinois is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Illinois to Hanoi?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Hanoi with an airline and back to Illinois with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Hanoi?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Hanoi from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$522 CHEAP FLIGHTS from Illinois to Hanoi

HAN

KAYAK searches hundreds of travel sites at once for deals on flights to Hanoi

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Cheap Flights from Illinois to Hanoi

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Illinois to Hanoi

Tue, Sep 1 - Tue, Sep 15

4:00 pm - 9:55 am

ORD

HAN

29h 55m

1 stop

10:55 am - 1:55 pm

HAN

ORD

39h 00m

1 stop

$864Cathay Pacific

Wed, Oct 21 - Sun, Nov 1

4:15 pm - 3:35 pm

ORD

HAN

35h 20m

1 stop

7:30 pm - 12:55 pm

HAN

ORD

30h 25m

1 stop

$961Cathay Pacific

Wed, Jul 15 - Sat, Jul 25

1:10 pm - 7:20 am

ORD

HAN

30h 10m

1 stop

8:20 am - 11:10 am

HAN

ORD

38h 50m

2 stops

$968Air India

Thu, Oct 15 - Thu, Oct 22

4:15 pm - 9:55 am

ORD

HAN

29h 40m

1 stop

10:25 am - 1:55 pm

HAN

ORD

39h 30m

1 stop

$1,004Cathay Pacific

Wed, Sep 2 - Sun, Sep 13

1:10 pm - 7:20 am

ORD

HAN

30h 10m

1 stop

8:20 am - 11:10 am

HAN

ORD

38h 50m

2 stops

$1,009Air India

Tue, Oct 13 - Tue, Nov 3

7:00 am - 1:55 pm

STL

HAN

42h 55m

2 stops

7:10 pm - 11:59 pm

HAN

STL

41h 49m

2 stops

$1,071Multiple Airlines

Tue, Oct 13 - Tue, Nov 3

7:00 am - 7:15 am

STL

HAN

36h 15m

2 stops

7:10 pm - 11:59 pm

HAN

STL

41h 49m

2 stops

$1,171Qatar Airways

Sun, Oct 4 - Wed, Oct 14

7:00 am - 1:55 pm

STL

HAN

42h 55m

2 stops

7:30 pm - 11:59 pm

HAN

STL

40h 29m

2 stops

$1,177Multiple Airlines

Mon, Sep 7 - Fri, Sep 11

8:25 am - 10:15 pm

MLI

HAN

25h 50m

2 stops

11:35 pm - 6:01 pm

HAN

MLI

30h 26m

2 stops

$1,260United Airlines

Mon, Sep 7 - Fri, Sep 11

6:30 am - 10:15 pm

MLI

HAN

27h 45m

2 stops

11:35 pm - 6:01 pm

HAN

MLI

30h 26m

2 stops

$1,261United Airlines

Useful Info

Low season	August
High season	May
Cheapest flight	$522

Best time to beat the crowds with an average 17% drop in price.

Most popular time to fly with an average 17% increase in price.

Flight from St. Louis to Hanoi

How does KAYAK find such low prices on flights from Illinois to Hanoi?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Hanoi.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Hanoi?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Hanoi from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Illinois to Hanoi?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Hanoi with an airline and back to Illinois with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Hanoi?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Hanoi from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Hanoi

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in Hanoi

Hanoi (HAN)

HAN

$442 Find Cheap Flights from Illinois to Hanoi

KAYAK searches hundreds of travel sites at once for deals on flights to Hanoi

Cheap Flights from Illinois to Hanoi

Recent round-trip flight deals from Illinois to Hanoi

Recent one-way flight deals from Illinois to Hanoi

Recent last minute flight deals from Illinois to Hanoi

Good to know

FAQs for booking flights from Illinois to Hanoi

How does KAYAK find such low prices on flights from Illinois to Hanoi?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Hanoi.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Hanoi?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Hanoi from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Illinois to Hanoi?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Hanoi with an airline and back to Illinois with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Hanoi?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Hanoi from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Hanoi

Information on the airport you'll fly into in Hanoi

Cabin class types available on flights to Illinois

Complete your trip to Hanoi with a hotel stay or car rental

Find direct flights for Hanoi

Flights to other popular destinations

Flights from domestic origins to Hanoi

Choose which airport to fly into in Hanoi

Find deals for your return flight