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$359+ Cheap flights from Chicago (CHI) to Hanoi (HAN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — HAN
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheapflights Tip: The best prices from Chicago to Hanoi Noibai are usually found in September or November, booked 32 days in advance, depart on a Wednesday or Thursday and return on a Friday

Cheap flight deals from Chicago to Hanoi

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Hanoi (HAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 16, 2025.

Round-trip from

$687
(oojo)

One-way from

$359
(oojo)

Popular in

December

Cheapest in

September

Average price

$869
From Chicago (CHI) to Hanoi Noibai
Search Deals
One-way flight from Chicago (CHI) to Hanoi Noibai
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Highest demand for flights based on searches. 10% potential increase in price ($135 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($82 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Chicago to Hanoi

Cheapest flights from Chicago to Hanoi
Explore the most affordable flight options available from Chicago to Hanoi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This oojo deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/24:00 pmORD - HAN
1 stop38h 05mCathay Pacific
Sun 10/127:05 pmHAN - ORD
1 stop31h 20mCathay Pacific
Deal found 9/13$687
This oojo deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/294:00 pmORD - HAN
1 stop38h 05mCathay Pacific
Tue 10/2811:05 amHAN - ORD
1 stop38h 55mCathay Pacific
Deal found 9/13$690
This FlightHub deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/304:00 pmORD - HAN
1 stop38h 05mCathay Pacific
Wed 10/297:25 pmHAN - ORD
1 stop30h 35mCathay Pacific
Deal found 9/13$704
This oojo deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/174:00 pmORD - HAN
1 stop29h 55mCathay Pacific
Wed 10/17:05 pmHAN - ORD
1 stop31h 20mCathay Pacific
Deal found 9/13$705
This FlightHub deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/164:00 pmORD - HAN
1 stop29h 55mCathay Pacific
Wed 10/17:05 pmHAN - ORD
1 stop31h 20mCathay Pacific
Deal found 9/13$720
This Gurufare deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/14:00 pmORD - HAN
1 stop29h 55mCathay Pacific
Mon 10/277:25 pmHAN - ORD
1 stop30h 35mCathay Pacific
Deal found 9/13$723
This Cathay Pacific deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/14:00 pmORD - HAN
1 stop29h 55mCathay Pacific
Mon 11/107:25 pmHAN - ORD
1 stop30h 35mCathay Pacific
Deal found 9/13$725
This oojo deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/164:00 pmORD - HAN
1 stop38h 05mCathay Pacific
Sun 9/217:05 pmHAN - ORD
1 stop31h 20mCathay Pacific
Deal found 9/15$729
This oojo deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/34:00 pmORD - HAN
1 stop28h 50mCathay Pacific
Sun 10/1210:30 amHAN - ORD
1 stop39h 55mCathay Pacific
Deal found 9/13$737
This Gurufare deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/154:00 pmORD - HAN
1 stop35h 35mCathay Pacific
Wed 10/17:05 pmHAN - ORD
1 stop31h 20mCathay Pacific
Deal found 9/13$738
This Delta deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/189:35 amMDW - HAN
2 stops37h 05mDelta
Mon 9/2212:00 pmHAN - MDW
2 stops42h 35mDelta
Deal found 9/13$880
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/296:00 amMDW - HAN
2 stops26h 45mDelta
Mon 12/812:20 pmHAN - MDW
2 stops36h 35mDelta
Deal found 9/15$1,030

Cheapflights Fare Finder

 
Customize your flight search to find flights from Chicago 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, Cheapflights users made 2,558,603 searches. Data last updated September 16, 2025.
Use the filters below to find and compare flights from Chicago to Hanoi that are best for you.

Fly from

Chicago

Fly to

Hanoi

Route

Depart

Return

Price

ChicagoHanoi

ORD - HAN

ORDHAN

Chicago O'Hare Intl

Fri 9/26

4:00 pm-9:55 am

1 stop29h 55m

Hanoi Noibai

Sat 10/11

7:05 pm-2:25 pm

1 stop31h 20m

$840

ChicagoHanoi

ORD - HAN

ORDHAN

Chicago O'Hare Intl

Mon 11/10

11:15 am-11:10 am

1 stop34h 55m

Hanoi Noibai

Tue 12/16

12:20 pm-8:30 am

1 stop33h 10m

$869

ChicagoHanoi

ORD - HAN

ORDHAN

Chicago O'Hare Intl

Wed 11/12

11:15 am-9:45 pm

1 stop21h 30m

Hanoi Noibai

Mon 12/15

12:20 pm-8:30 am

1 stop33h 10m

$869

ChicagoHanoi

ORD - HAN

ORDHAN

Chicago O'Hare Intl

Tue 10/21

11:02 am-9:35 pm

2 stops22h 33m

Hanoi Noibai

Wed 11/19

11:05 pm-9:36 pm

2 stops35h 31m

$880

ChicagoHanoi

ORD - HAN

ORDHAN

Chicago O'Hare Intl

Sun 10/26

7:10 am-9:45 pm

2 stops26h 35m

Hanoi Noibai

Tue 11/18

11:05 pm-11:58 pm

2 stops37h 53m

$880

ChicagoHanoi

ORD - HAN

ORDHAN

Chicago O'Hare Intl

Fri 11/14

7:10 am-11:05 pm

2 stops26h 55m

Hanoi Noibai

Fri 11/28

12:25 am-1:50 pm

1 stop26h 25m

$882

ChicagoHanoi

ORD - HAN

ORDHAN

Chicago O'Hare Intl

Thu 1/15

9:05 pm-11:05 pm

2 stops37h 00m

Hanoi Noibai

Thu 1/29

12:25 am-1:50 pm

1 stop26h 25m

$882

ChicagoHanoi

ORD - HAN

ORDHAN

Chicago O'Hare Intl

Thu 1/8

6:47 am-11:05 pm

2 stops27h 18m

Hanoi Noibai

Thu 1/22

12:25 am-1:50 pm

1 stop26h 25m

$902

ChicagoHanoi

MDW - HAN

MDWHAN

Chicago Midway

Wed 1/21

5:25 pm-9:45 pm

2 stops39h 20m

Hanoi Noibai

Wed 2/11

11:05 pm-6:34 pm

2 stops32h 29m

$991

ChicagoHanoi

MDW - HAN

MDWHAN

Chicago Midway

Mon 2/2

10:35 am-10:35 am

2 stops35h 00m

Hanoi Noibai

Mon 2/16

5:30 pm-12:25 pm

2 stops31h 55m

$1,025

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 35 results
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Best time to book a flight from Chicago to Hanoi

Have a flexible travel schedule? Discover the best time to fly to Hanoi from Chicago with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Chicago to Hanoi

How far ahead should I book a flight from Chicago to Hanoi?

Use this chart to determine the optimal time to book a round-trip flight from Chicago to Hanoi. Price data was last updated on September 12, 2025.

To ensure you get the cheapest price possible for a flight from Chicago to Hanoi, you should look to book at least 32 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Chicago to Hanoi?

Currently, September is the cheapest month in which you can book a flight from Chicago to Hanoi (average of $864). Flying from Chicago to Hanoi in December is currently the most expensive (average of $1,600). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CHI to HAN?

Find hourly flight availability from Chicago to Hanoi. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2025.

One of the essential ways to save on airfare from Chicago to Hanoi is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 33% on airfare.

What’s the top layover airport for flights from Chicago to Hanoi?

Share of 1-stop round-trip flights from Chicago to Hanoi chosen by Cheapflights users in the past 12 months, using the same layover each way.

Taipei City (TPE) – chosen by Cheapflights users on 50% of 1-stop itineraries from Chicago to Hanoi on Cheapflights.

What’s the cheapest layover airport for flights from Chicago to Hanoi?

Average round-trip fare for 1-stop flights from Chicago to Hanoi, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Hong Kong (HKG) is the most affordable 1-stop option, with an average round-trip price of $808.

What’s the fastest layover option from Chicago to Hanoi?

Shortest average travel time for 1-stop one-way flights from Chicago to Hanoi, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Tokyo (NRT) have the shortest average one-way travel time for 1-stop routes: 22h 25m.

Which airport typically offers the quickest layover for flights from Chicago to Hanoi?

Average layover duration for 1-stop one-way flights from Chicago to Hanoi, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Taipei City (TPE) offer the fastest connection on this route, with an average layover time of 4h 45m.

Reviews of airlines servicing Hanoi

Get insights into the airlines that provide service to Hanoi. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Hanoi. Reviews last updated September 16, 2025.
Peruse reviews from past customers who have flown with EVA Air, Korean Air, and Cathay Pacific from Chicago to Hanoi to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,236 reviews

Boarding

8.4

Overall

8.4

Entertainment

8.0

Food

8.1

Crew

8.6

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.
EVA Air
8.4
Very good
1,236 reviews
EVA Air
8.4
Very good
1,236 reviews

Boarding

8.4

Overall

8.4

Entertainment

8.0

Food

8.1

Crew

8.6

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.
Korean Air
8.4
Very good
1,139 reviews
EVA Air
8.4
Very good
1,236 reviews

Boarding

8.4

Overall

8.4

Entertainment

8.0

Food

8.1

Crew

8.6

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.
Cathay Pacific
7.6
Good
993 reviews
EVA Air
8.4
Very good
1,236 reviews

Boarding

8.4

Overall

8.4

Entertainment

8.0

Food

8.1

Crew

8.6

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.
United Airlines
7.4
Good
8,929 reviews
EVA Air
8.4
Very good
1,236 reviews

Boarding

8.4

Overall

8.4

Entertainment

8.0

Food

8.1

Crew

8.6

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.
Turkish Airlines
7.3
Good
3,968 reviews
EVA Air
8.4
Very good
1,236 reviews

Boarding

8.4

Overall

8.4

Entertainment

8.0

Food

8.1

Crew

8.6

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.

Related info for your journey

Find useful and relevant information for your journey from Chicago to Hanoi. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Hanoi from Chicago?

    Located just 14.2 mi from the city center, Hanoi Noibai is the airport most travelers will use when flying to Hanoi from Chicago. Booking flights from Chicago to Noibai (HAN) should be relatively easy as there are 0 daily inbound flights from Chicago from 8 different airlines.

  • How long is the flight from Chicago to Hanoi?

    For as low as $880, Cathay Pacific can have you in Hanoi from Chicago in 22h 33m. There are 7977 mi between Chicago and Hanoi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Chicago to Hanoi round-trip?

    Cheapflights users have booked flights from Chicago to Hanoi round-trip from $696. Other airlines that can offer you cheap pricing are ANA, from $714, and Korean Air, from $768. You may be able to fly from Chicago to Hanoi for 37% less than the average price by searching for these airlines.

  • Can I find deals for flights from Chicago to Hanoi that include hotel bookings?

    Yes. In addition to deals on Chicago to Hanoi flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chicago to Hanoi?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to Hanoi.

  • Can I find deals for business class flights from Chicago to Hanoi?

    Yes. Cheapflights offers flight deals from Chicago to Hanoi by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Chicago to Hanoi?

    Currently, September is the cheapest month in which you can book a flight from Chicago to Hanoi (average of $864). Flying from Chicago to Hanoi in December is currently the most expensive (average of $1,600). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 8 airlines flying from Chicago to Hanoi

Discover the top 8 airlines that operate flights from Chicago to Hanoi. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest$696Average$879FlexibilityNo cancel feeOn-time72%
ANACheapest$714Average$955FlexibilityNo cancel feeOn-time80%
Korean AirCheapest$768Average$1,018FlexibilityNo cancel feeOn-time81%
Turkish AirlinesCheapest$807Average$1,064FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$829Average$1,052FlexibilityNo cancel feeOn-time69%
Japan AirlinesCheapest$869Average$1,023FlexibilityNo cancel feeOn-time79%
DeltaCheapest$879Average$1,170FlexibilityNo cancel feeOn-timeN/A
EVA AirCheapest$978Average$1,277FlexibilityNo cancel feeOn-time74%

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