Cheap flights from Chicago O'Hare Intl Airport to Hanoi from $423
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to Hanoi departing on 4/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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United Airlines flights from Chicago O'Hare Intl Airport to Hanoi
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How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to Hanoi
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Hanoi?
The cheapest month to fly to Hanoi from Chicago O'Hare Intl Airport is in April. Flight prices, which tend to average around $893, are often lower during this time because this is during the off-season. If you’re not able to fly to Hanoi in April, then September is your next best option. Flight prices from Chicago O'Hare Intl Airport to Hanoi during September average around $990.
What is the cheapest day to depart on your flight to Hanoi?
According to our data, Wednesday is the cheapest day to fly to Hanoi from Chicago O'Hare Intl Airport. The lowest ticket price found for a Wednesday departure recently was $1,185. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to Hanoi on Friday is $1,306.
What is the cheapest time of day to depart on your flight to Hanoi?
Our most recent data shows that the best time of day to fly to Hanoi is at noon. Flights from Chicago O'Hare Intl Airport to Hanoi during this time can be as low as $944. Try not to purchase tickets in the afternoon because they tend to be around $1,394. Of course, these prices can vary depending on the time of year and what airport you fly to.
How far in advance should I book a flight to Hanoi?
You are more likely to see cheaper flights to Hanoi from Chicago O'Hare Intl Airport when booking 19 weeks ahead of your departure date. In general, you can expect to find flights to Hanoi for around $1,256 when searching 19 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Hanoi from Chicago O'Hare Intl Airport for as low as $918 on momondo.
What is the cheapest airline that flies from Chicago O'Hare Intl to Hanoi Noibai?
Cathay Pacific, EVA Air, and United Airlines are the most popular carriers operating from Chicago O'Hare Intl to Hanoi Noibai
What airlines fly to Hanoi?
EVA Air, Turkish Airlines and Cathay Pacific are the top three most popular airlines that fly to Hanoi from Chicago O'Hare Intl Airport according to our data. EVA Air is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Hanoi. Keep in mind that there are 8 different airlines that fly to Hanoi on a routine basis, so you have a few additional options to choose from.
When to book flights from Chicago O'Hare Intl Airport to Hanoi
Cheap Chicago O'Hare Intl Airport to Hanoi (ORD to HAN) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Hanoi
How far is Chicago O'Hare Intl to Hanoi Noibai by plane?
A flight from Chicago O'Hare Intl to Hanoi Noibai will travel around 7991.1 mi. In terms of flight time, this usually takes a little over 22h 25m.
When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Hanoi Noibai Airport?
Prices for flights from Chicago O'Hare Intl Airport to Hanoi Noibai Airport were last updated today.
How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Hanoi Noibai Airport?
As of April 2025, there are 8 operators available to choose from for flights from Chicago O'Hare Intl Airport to Hanoi Noibai Airport.
How old do you have to be to fly from Chicago O'Hare Intl Airport to Hanoi Noibai Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Chicago O'Hare Intl Airport to Hanoi Noibai Airport.
What documentation or ID do you need to fly to Hanoi Noibai Airport?
The necessary travel and health documents for your Hanoi Noibai Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Chicago O'Hare Intl Airport to Hanoi?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Chicago O'Hare Intl Airport to Hanoi is EVA Air (28% of total bookings). The next most popular airlines are Turkish Airlines (15%), Cathay Pacific (14%), and Delta (13%).
Best airlines flying from Chicago O'Hare Intl Airport to Hanoi
Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Hanoi with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $813 | Free Cancellation | Rating 7.3 3,750 reviews | |||
| PriceFrom $829 | Free Cancellation | Rating 7.4 8,619 reviews | |||
| PriceFrom $839 | Free Cancellation | Rating 7.5 842 reviews | |||
| PriceFrom $856 | Free Cancellation | Rating 8.3 830 reviews | |||
| PriceFrom $869 | Free Cancellation | Rating 8.3 1,441 reviews | |||
| PriceFrom $920 | Free Cancellation | Rating 8.4 1,052 reviews | |||
| PriceFrom $976 | Free Cancellation | Rating 8.4 1,170 reviews | |||
| PriceFrom $1,135 | Free Cancellation | Rating 8.0 7,897 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Chicago to Hanoi?
It is quick and easy to find Chicago to Hanoi flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Hanoi that suits you.
Can I find flights from Chicago to Hanoi with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Hanoi from Chicago with this policy.
How can momondo help me find flights from Chicago to Hanoi?
momondo provides multiple filters to help you find the best flight to Hanoi from Chicago. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Chicago to Hanoi right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Hanoi from Chicago. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.