625 € Cheap Flights from Chicago O'Hare International to Hanoi

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Flight deals from Chicago O'Hare International to Hanoi

Looking for a cheap last-minute deal or the best return flight from Chicago O'Hare International to Hanoi? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Chicago O'Hare International to Hanoi

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Chicago O'Hare International to Hanoi flights are currently cheapest in October.

Chicago O'Hare International to Hanoi: Alternative routes

Compare routes from Chicago O'Hare International to Hanoi below. You may find an airport to fly into that's cheaper, faster, or easier than Hanoi.

Chicago to Hanoi: Flight information

The things to know before you go.
Cheapest flight found625 €
Cheapest month to flySeptember

Finding cheap flights from Chicago O'Hare International to Hanoi: Frequently asked questions

The best price we found for a return flight from Chicago O'Hare International to Hanoi is 625 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Chicago O'Hare International to Hanoi. But we found flights with one or more stops from 625 €.
As of August 2025, there are no flights flying from Chicago O'Hare International to Hanoi.
The cheapest month to fly from Chicago O'Hare International to Hanoi is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Chicago O'Hare International Airport to Hanoi Airport on Tuesday, 30 September 2025.
No airlines currently offer direct flights between Chicago O'Hare International Airport and Hanoi Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Hanoi but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Hanoi is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Cathay Pacific offers the cheapest flight tickets to Hanoi.

Flying from O'Hare International Airport (ORD) to Noi Bai International Airport (HAN): what you need to know

  • Hanoi's timezone is UTC+7, which makes Hanoi 12 hours ahead of Chicago.

  • For a smooth journey, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This ensures you have enough time to catch your ORD to HAN flight.

  • During popular months such as August, it's a good idea to get to the airport earlier than normal. Arrive two hours before domestic departures and four hours ahead for international flights whenever you're flying during a high season in general.

  • We make it a breeze to book a flight with a stopover. To see all your options for tickets from O'Hare International Airport to Noi Bai International Airport, uncheck 'Direct flights only.' Then, choose a flight with a stop long enough to tour your chosen city. Some great stopovers between ORD and HAN include:

    • Haneda Airport

    • Incheon International Airport

    • Shanghai Pudong International Airport

How to find the cheapest flights from O'Hare International Airport (ORD) to Noi Bai International Airport (HAN)

  • The lowest price we've found for a one-way O'Hare International Airport to Noi Bai International Airport flight is 340 €. A return fare is currently 625 €. Depending on the availability when you book, these fares could change.

  • Don't leave everything to the last minute. You're more likely to find cheap tickets from ORD to HAN if you book early. Airlines often have some terrific early bird deals.

  • If you're flexible with your travel dates, use the 'Whole month' tool. It'll find the lowest price in every month when looking for a flight from O'Hare International Airport to Noi Bai International Airport.

  • Save time looking for cheap flights from ORD to HAN by setting up a Price Alert. You'll get an email or push notification on the app when fares go down.

  • Tailor your flights with filters. Select your preferred arrival and departure times, total journey duration and airlines. You can also sort your results by 'Fastest,' 'Best' or 'Cheapest' flights from O'Hare International Airport to Noi Bai International Airport.

Handy information about O'Hare International Airport (ORD)

  • ORD's address is 10000 West O'Hare.

  • Of all flights departing from O'Hare International Airport, 74.85% touch down on time at their destination.

  • To get to O'Hare International Airport from central Chicago, it takes around 35 minutes if you're planning to drive. This depends on traffic, however. It's approximately 40 kilometres from the airport to the city centre.

  • The trip when using public transport takes about 55 minutes.

  • Get your journey off to a stress-free start by staying near ORD. Whether you're catching an early flight from O'Hare International Airport to Noi Bai International Airport or just don't want to be rushed, these hotels have you covered:

Arriving at Noi Bai International Airport (HAN)

  • Consider staying in a hotel near HAN if you're catching a late O'Hare International Airport to Noi Bai International Airport flight. Choose one of these accommodation options and skip the long transfer after landing:

  • Pick up a Noi Bai International Airport rental car and explore parts of Hanoi that aren't in every guidebook. Find your perfect set of wheels with Dichung Car Hire.

  • Improve your chances of securing the best rate by booking as soon as possible. Reserving your ride from Noi Bai International Airport at least a couple of weeks in advance is a smart move.

Getting from Noi Bai International Airport (HAN) to central Hanoi

  • Noi Bai International Airport to central Hanoi has a drive time of around 35 minutes. It's approximately 26 kilometres away.

  • It'll take around 1 hour 55 minutes if you're travelling by public transport.

When to fly to Noi Bai International Airport (HAN)

  • It's time to plan your travel dates for your flight from O'Hare International Airport to Noi Bai International Airport. July is the most popular month to head to Hanoi. If you'd like a quieter vibe, go in April.

  • When reserving your flight from O'Hare International Airport to Noi Bai International Airport, think about the kind of weather you enjoy. June is the warmest month in Hanoi, with temperatures ranging from 25ºC (77ºF) to 36ºC (97ºF).

  • Search for cheap tickets from ORD to HAN in January if you want to travel in cooler conditions. Temperatures are at their lowest around then, ranging between 10ºC (50ºF) and 22ºC (72ºF) on average.

Explore more of Vietnam

  • Việt Trì is just one of the many places in Vietnam waiting to be explored after you've experienced Hanoi. Around 48 kilometres away to the north-west, its top attractions include Vườn Lan Hiền Vũ, Nhà Vườn Tiến An and Vườn lan Ngọc Tân.

  • Móng Cái is another essential stop in Vietnam and is around 225 kilometres east of Hanoi. No trip is complete without visiting Tra Co beach, Moncay Catholic Church and Chimsu Chill on the beach.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.