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$374+ Cheap flights from O'Hare Intl (ORD) 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 9/18. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — HAN
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Chicago O'Hare Intl to Hanoi Noibai are usually found in September or April, booked 67 days in advance, depart on a Thursday or Wednesday and return on a Monday

Cheap flight deals from O'Hare Intl to Hanoi

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) 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 11, 2025.

Round-trip from

$687
(oojo)

One-way from

$374
(oojo)

Popular in

December

Cheapest in

September

Average price

$874
From Chicago O'Hare Intl to Hanoi Noibai
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One-way flight from Chicago O'Hare Intl to Hanoi Noibai
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Highest demand for flights based on searches. 13% potential increase in price ($182 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($59 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 O'Hare Intl to Hanoi

Cheapest flights from O'Hare Intl to Hanoi
Explore the most affordable flight options available from O'Hare Intl to Hanoi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This oojo deal was found by Cheapflights users on 9/11. 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 9/11$688
This oojo deal was found by Cheapflights users on 9/11. 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 11/112:40 pmORD - HAN
1 stop30h 25mCathay Pacific
Sun 11/1611:05 amHAN - ORD
1 stop38h 55mCathay Pacific
Deal found 9/11$690
This oojo deal was found by Cheapflights users on 9/10. 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 11/102:40 pmORD - HAN
1 stop30h 25mCathay Pacific
Tue 11/1811:05 amHAN - ORD
1 stop38h 55mCathay Pacific
Deal found 9/10$697
This Cathay Pacific deal was found by Cheapflights users on 9/10. 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.
Mon 11/32:40 pmORD - HAN
1 stop38h 45mCathay Pacific
Tue 11/187:25 pmHAN - ORD
1 stop30h 35mCathay Pacific
Deal found 9/10$725
This oojo deal was found by Cheapflights users on 9/10. 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 stop36h 20mCathay Pacific
Sun 9/2110:55 amHAN - ORD
1 stop39h 30mCathay Pacific
Deal found 9/10$727
This oojo deal was found by Cheapflights users on 9/11. 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.
Sun 10/263:40 pmORD - HAN
1 stop38h 45mCathay Pacific
Sun 11/211:05 amHAN - ORD
1 stop38h 55mCathay Pacific
Deal found 9/11$740
This oojo deal was found by Cheapflights users on 9/10. 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 stop35h 35mCathay Pacific
Sun 10/127:05 pmHAN - ORD
1 stop31h 20mCathay Pacific
Deal found 9/10$744
This oojo deal was found by Cheapflights users on 9/10. 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.
Sat 11/292:40 pmORD - HAN
1 stop38h 45mCathay Pacific
Mon 12/87:25 pmHAN - ORD
1 stop30h 35mCathay Pacific
Deal found 9/10$747
This oojo deal was found by Cheapflights users on 9/11. 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 9/254:00 pmORD - HAN
1 stop38h 05mCathay Pacific
Sat 10/47:05 pmHAN - ORD
1 stop31h 20mCathay Pacific
Deal found 9/11$754
This oojo deal was found by Cheapflights users on 9/11. 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 stop35h 35mCathay Pacific
Thu 10/210:30 amHAN - ORD
1 stop39h 55mCathay Pacific
Deal found 9/11$755

Cheapflights Fare Finder

 
Customize your flight search to find flights from O'Hare Intl 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 11, 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

O'Hare Intl

Fly to

Hanoi

Route

Depart

Return

Price

ChicagoHanoi

ORD - HAN

ORDHAN

Chicago O'Hare Intl

Thu 11/6

2:40 pm-10:05 am

1 stop30h 25m

Hanoi Noibai

Wed 11/19

7:25 pm-1:00 pm

1 stop30h 35m

$725

ChicagoHanoi

ORD - HAN

ORDHAN

Chicago O'Hare Intl

Fri 10/3

9:05 pm-10:15 pm

2 stops37h 10m

Hanoi Noibai

Sat 10/18

11:35 pm-2:55 pm

1 stop27h 20m

$882

ChicagoHanoi

ORD - HAN

ORDHAN

Chicago O'Hare Intl

Tue 11/4

7:37 am-9:45 pm

2 stops25h 08m

Hanoi Noibai

Tue 11/18

12:20 pm-9:36 pm

2 stops22h 16m

$892

ChicagoHanoi

ORD - HAN

ORDHAN

Chicago O'Hare Intl

Fri 9/26

6:26 pm-10:15 pm

2 stops39h 49m

Hanoi Noibai

Fri 10/3

11:35 pm-11:15 pm

2 stops35h 40m

$900

ChicagoHanoi

ORD - HAN

ORDHAN

Chicago O'Hare Intl

Sun 1/18

7:50 pm-11:05 pm

2 stops38h 15m

Hanoi Noibai

Thu 1/29

12:25 am-1:50 pm

1 stop26h 25m

$902

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

ORD - HAN

ORDHAN

Chicago O'Hare Intl

Wed 1/21

2:40 pm-10:05 am

1 stop30h 25m

Hanoi Noibai

Wed 2/11

7:25 pm-1:00 pm

1 stop30h 35m

$929

ChicagoHanoi

ORD - HAN

ORDHAN

Chicago O'Hare Intl

Wed 1/21

11:25 am-9:45 pm

1 stop21h 20m

Hanoi Noibai

Wed 2/11

11:05 pm-9:14 pm

2 stops35h 09m

$980

ChicagoHanoi

ORD - HAN

ORDHAN

Chicago O'Hare Intl

Thu 9/18

4:00 pm-6:05 pm

1 stop38h 05m

$374

ChicagoHanoi

ORD - HAN

ORDHAN

Chicago O'Hare Intl

Thu 9/18

1:01 pm-10:45 am

3 stops33h 44m

$408

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 17 results
1
2

Best time to book a flight from O'Hare Intl to Hanoi

Have a flexible travel schedule? Discover the best time to fly to Hanoi from O'Hare Intl 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 O'Hare Intl Airport to Hanoi

How far ahead should I book a flight from Chicago O'Hare Intl Airport to Hanoi?

Use this chart to determine the optimal time to book a round-trip flight from O'Hare Intl to Hanoi. Price data was last updated on August 29, 2025.

Booking 67 days in advance of your planned departure date is, on average, the best time to get cheap flights from Chicago O'Hare Intl Airport to Hanoi. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Hanoi?

Currently, September is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Hanoi (average of $864). Flying from Chicago O'Hare Intl Airport 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 ORD to HAN?

Find hourly flight availability from O'Hare Intl 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 11, 2025.

When flying from Chicago O'Hare Intl Airport to Hanoi, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 37% versus a flight in the afternoon.

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 11, 2025.
Read reviews from past customers who have flown EVA Air, Korean Air, and Delta from Chicago O'Hare Intl Airport to Hanoi. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,236 reviews

Crew

8.6

Overall

8.4

Entertainment

8.0

Comfort

8.3

Food

8.1

Boarding

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
EVA Air
8.4
Very good
1,236 reviews
EVA Air
8.4
Very good
1,236 reviews

Crew

8.6

Overall

8.4

Entertainment

8.0

Comfort

8.3

Food

8.1

Boarding

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
Korean Air
8.4
Very good
1,139 reviews
EVA Air
8.4
Very good
1,236 reviews

Crew

8.6

Overall

8.4

Entertainment

8.0

Comfort

8.3

Food

8.1

Boarding

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
Delta
8.0
Very good
7,960 reviews
EVA Air
8.4
Very good
1,236 reviews

Crew

8.6

Overall

8.4

Entertainment

8.0

Comfort

8.3

Food

8.1

Boarding

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
United Airlines
7.4
Good
8,937 reviews
EVA Air
8.4
Very good
1,236 reviews

Crew

8.6

Overall

8.4

Entertainment

8.0

Comfort

8.3

Food

8.1

Boarding

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
Turkish Airlines
7.3
Good
3,968 reviews
EVA Air
8.4
Very good
1,236 reviews

Crew

8.6

Overall

8.4

Entertainment

8.0

Comfort

8.3

Food

8.1

Boarding

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl 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 O'Hare Intl?

    Most people fly into Hanoi Noibai (HAN) if they book a flight to Hanoi from Chicago O'Hare Intl. On average, Noibai has 0 inbound flights from Chicago O'Hare Intl per day from 8 airlines. Hanoi Noibai is conveniently located just 14.2 mi from Hanoi’s city center.

  • How long is the flight from Chicago O'Hare Intl Airport to Hanoi?

    Cathay Pacific, United Airlines, and Delta can get you from Chicago O'Hare Intl Airport to Hanoi in just under 25h 08m. Your travel time can differ by up to 12h 02m. The distance between Chicago O'Hare Intl Airport and Hanoi is about 7977 mi. 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 O'Hare Intl Airport to Hanoi round-trip?

    Flying on Cathay Pacific is currently your cheapest option to Hanoi, with prices starting at $696. Additional round-trip tickets that might be worth considering are offered by ANA and Korean Air, with the lowest prices starting at $714 and $768, respectively. Cathay Pacific is priced at 41% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from O'Hare Intl to Hanoi that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to Hanoi flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to Hanoi?

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

  • Can I find deals for business class flights from O'Hare Intl to Hanoi?

    Yes. Cheapflights offers flight deals from O'Hare Intl 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 O'Hare Intl Airport to Hanoi?

    Currently, September is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Hanoi (average of $864). Flying from Chicago O'Hare Intl Airport 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

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Top 8 airlines flying from O'Hare Intl to Hanoi

Discover the top 8 airlines that operate flights from O'Hare Intl 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 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest$696Average$879FlexibilityNo cancel feeOn-time72%
ANACheapest$714Average$955FlexibilityNo cancel feeOn-time80%
Korean AirCheapest$768Average$1,021FlexibilityNo cancel feeOn-time81%
Turkish AirlinesCheapest$807Average$1,066FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$829Average$1,052FlexibilityNo cancel feeOn-time69%
Japan AirlinesCheapest$869Average$1,023FlexibilityNo cancel feeOn-time79%
DeltaCheapest$968Average$1,346FlexibilityNo cancel feeOn-timeN/A
EVA AirCheapest$978Average$1,272FlexibilityNo cancel feeOn-time74%

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