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.

$444 CHEAP FLIGHTS from Illinois to Hanoi

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Flight Deals

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

Sun, Jan 17 - Sun, Jan 24

2:10 pm - 6:15 pmORD Chicago O'Hare Intl-HAN Hanoi Noibai

39h 05m1 stop Hong Kong Intl

7:25 pm - 12:30 pmHAN Hanoi Noibai-ORD Chicago O'Hare Intl

30h 05m1 stop Hong Kong Intl

$920Cathay Pacific

Wed, Jan 20 - Wed, Feb 3

11:10 am - 11:10 amORD Chicago O'Hare Intl-HAN Hanoi Noibai

35h 00m1 stop Incheon Intl

12:20 pm - 8:30 amHAN Hanoi Noibai-ORD Chicago O'Hare Intl

33h 10m1 stop Incheon Intl

$920Korean Air

Wed, Jan 20 - Mon, Feb 1

11:10 am - 11:10 amORD Chicago O'Hare Intl-HAN Hanoi Noibai

35h 00m1 stop Incheon Intl

11:05 pm - 8:30 amHAN Hanoi Noibai-ORD Chicago O'Hare Intl

22h 25m1 stop Incheon Intl

$920Korean Air

Sat, Mar 20 - Mon, Mar 29

3:10 pm - 10:05 amORD Chicago O'Hare Intl-HAN Hanoi Noibai

30h 55m1 stop Hong Kong Intl

7:10 pm - 1:55 pmHAN Hanoi Noibai-ORD Chicago O'Hare Intl

30h 45m1 stop Hong Kong Intl

$921Cathay Pacific

Mon, Jan 18 - Tue, Feb 2

7:00 am - 9:45 pmORD Chicago O'Hare Intl-HAN Hanoi Noibai

25h 45m2 stops Detroit Metropolitan Wayne County Incheon Intl

12:20 pm - 9:36 pmHAN Hanoi Noibai-ORD Chicago O'Hare Intl

22h 16m2 stops Incheon Intl Minneapolis St Paul

$922Delta

Thu, Jan 21 - Tue, Feb 2

7:15 am - 9:45 pmORD Chicago O'Hare Intl-HAN Hanoi Noibai

25h 30m2 stops Salt Lake City Incheon Intl

12:20 pm - 9:36 pmHAN Hanoi Noibai-ORD Chicago O'Hare Intl

22h 16m2 stops Incheon Intl Minneapolis St Paul

$922Delta

Sun, Nov 15 - Wed, Nov 25

9:57 pm - 11:05 pmORD Chicago O'Hare Intl-HAN Hanoi Noibai

36h 08m2 stops San Francisco Tokyo Narita

12:25 am - 1:50 pmHAN Hanoi Noibai-ORD Chicago O'Hare Intl

26h 25m1 stop Tokyo Narita

$934United Airlines

Wed, Apr 7 - Mon, Apr 19

6:25 am - 10:35 pmORD Chicago O'Hare Intl-HAN Hanoi Noibai

28h 10m2 stops San Francisco Tokyo Narita

11:55 pm - 2:55 pmHAN Hanoi Noibai-ORD Chicago O'Hare Intl

27h 00m1 stop Tokyo Narita

$934United Airlines

Mon, Feb 15 - Wed, Feb 24

6:05 am - 11:15 pmORD Chicago O'Hare Intl-HAN Hanoi Noibai

28h 10m2 stops San Francisco Tokyo Narita

12:35 am - 1:50 pmHAN Hanoi Noibai-ORD Chicago O'Hare Intl

26h 15m1 stop Tokyo Narita

$943ANA

Wed, Apr 7 - Mon, Apr 19

7:15 am - 10:35 pmORD Chicago O'Hare Intl-HAN Hanoi Noibai

27h 20m2 stops Los Angeles Tokyo Narita

11:55 pm - 2:55 pmHAN Hanoi Noibai-ORD Chicago O'Hare Intl

27h 00m1 stop Tokyo Narita

$943ANA

Recent last minute flight deals from Illinois to Hanoi

Tue, Nov 3 - Mon, Nov 9

5:52 pm - 11:05 pmORD Chicago O'Hare Intl-HAN Hanoi Noibai

40h 13m2 stops Los Angeles Tokyo Narita

12:25 am - 1:50 pmHAN Hanoi Noibai-ORD Chicago O'Hare Intl

26h 25m1 stop Tokyo Narita

$934ANA

Tue, Nov 3 - Tue, Nov 10

2:10 pm - 6:15 pmORD Chicago O'Hare Intl-HAN Hanoi Noibai

39h 05m1 stop Hong Kong Intl

7:25 pm - 12:30 pmHAN Hanoi Noibai-ORD Chicago O'Hare Intl

30h 05m1 stop Hong Kong Intl

$939Cathay Pacific

Mon, Nov 2 - Sun, Nov 15

7:55 pm - 11:05 pmORD Chicago O'Hare Intl-HAN Hanoi Noibai

38h 10m2 stops Houston George Bush Intcntl Tokyo Narita

12:25 am - 6:56 pmHAN Hanoi Noibai-ORD Chicago O'Hare Intl

31h 31m2 stops Tokyo Narita Los Angeles

$944United Airlines

Sat, Oct 31 - Sun, Nov 15

3:10 pm - 6:15 pmORD Chicago O'Hare Intl-HAN Hanoi Noibai

39h 05m1 stop Hong Kong Intl

11:15 am - 12:30 pmHAN Hanoi Noibai-ORD Chicago O'Hare Intl

38h 15m1 stop Hong Kong Intl

$951Cathay Pacific

Tue, Nov 3 - Mon, Nov 9

5:52 pm - 11:05 pmORD Chicago O'Hare Intl-HAN Hanoi Noibai

40h 13m2 stops Los Angeles Tokyo Narita

12:25 am - 1:50 pmHAN Hanoi Noibai-ORD Chicago O'Hare Intl

26h 25m1 stop Tokyo Narita

$956ANA

Tue, Nov 3 - Tue, Nov 10

6:29 am - 1:25 amORD Chicago O'Hare Intl-HAN Hanoi Noibai

29h 56m2 stops Los Angeles Manila Ninoy Aquino Intl

2:25 pm - 4:55 pmHAN Hanoi Noibai-ORD Chicago O'Hare Intl

39h 30m1 stop Manila Ninoy Aquino Intl

$1,070Multiple Airlines

Tue, Nov 3 - Mon, Nov 9

5:55 am - 11:05 pmORD Chicago O'Hare Intl-HAN Hanoi Noibai

28h 10m2 stops Newark Tokyo Narita

12:25 am - 12:59 amHAN Hanoi Noibai-ORD Chicago O'Hare Intl

37h 34m2 stops Tokyo Narita Los Angeles

$1,126United Airlines

Tue, Nov 3 - Tue, Nov 10

11:30 pm - 5:15 pmORD Chicago O'Hare Intl-HAN Hanoi Noibai

28h 45m1 stop Taipei City Taiwan Taoyuan Intl

12:35 pm - 7:35 pmHAN Hanoi Noibai-ORD Chicago O'Hare Intl

20h 00m1 stop Taipei City Taiwan Taoyuan Intl

$1,146EVA Air

Mon, Nov 2 - Tue, Dec 1

11:30 pm - 11:35 amORD Chicago O'Hare Intl-HAN Hanoi Noibai

23h 05m1 stop Taipei City Taiwan Taoyuan Intl

12:35 pm - 7:35 pmHAN Hanoi Noibai-ORD Chicago O'Hare Intl

20h 00m1 stop Taipei City Taiwan Taoyuan Intl

$1,165EVA Air

Sat, Oct 31 - Mon, Nov 16

6:59 pm - 10:30 amORD Chicago O'Hare Intl-HAN Hanoi Noibai

27h 31m2 stops Phoenix Sky Harbor Intl Taipei City Taiwan Taoyuan Intl

10:55 am - 7:35 amHAN Hanoi Noibai-ORD Chicago O'Hare Intl

33h 40m2 stops Bangkok Suvarnabhumi Abu Dhabi Zayed Intl

$1,166Multiple Airlines

Useful Info

Low season	August
High season	December
Cheapest flight	$444

Best time to beat the crowds but there is an average 18% increase in price.

Most popular time to fly with an average 19% increase in price.

Flight from Chicago 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.