Cheap flights from Chicago O'Hare Intl Airport to Vietnam from $378
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 Vietnam departing on 8/20. 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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How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to Vietnam
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 Vietnam?
The month of October is, on average, the cheapest month to fly to Vietnam from Chicago O'Hare Intl Airport, with most prices found around $974. If you don’t want to visit Vietnam in October, then you should wait until September to fly from Chicago O'Hare Intl Airport, when ticket prices are also cheap, with an average price of $980.
What is the cheapest day to depart on your flight to Vietnam?
According to our data, Tuesday is the cheapest day to fly to Vietnam from Chicago O'Hare Intl Airport. The lowest ticket price found for a Tuesday departure recently was $1,078. 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 Monday as prices are generally higher than usual. According to our data, the average ticket price to Vietnam on Monday is $1,284.
What is the cheapest time of day to depart on your flight to Vietnam?
Flying to Vietnam from Chicago O'Hare Intl Airport at noon is the least expensive time of day to depart. momondo users have found prices as low as $1,047 when looking at flights departing at noon. In the evening is when there is more demand to fly to Vietnam, so prices are often more expensive at around $1,274 per ticket.
How far in advance should I book a flight to Vietnam?
You are more likely to see cheaper flights to Vietnam from Chicago O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Vietnam for around $1,189 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Vietnam from Chicago O'Hare Intl Airport for as low as $1,047 on momondo.
What is the cheapest airline that flies from Chicago O'Hare Intl to Vietnam?
Cathay Pacific, Air India, and Korean Air are the most popular carriers operating from Chicago O'Hare Intl to Vietnam
What airlines fly to Vietnam?
EVA Air, Korean Air and ANA are the top three most popular airlines that fly to Vietnam from Chicago O'Hare Intl Airport according to our data. EVA Air is the first choice among our users, with 59% of people opting to fly with this airline when traveling to Vietnam. Keep in mind that there are 11 different airlines that fly to Vietnam on a routine basis, so you have a few additional options to choose from.
Cheap Chicago O'Hare Intl Airport to Vietnam flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Vietnam
When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Vietnam?
Prices for flights from Chicago O'Hare Intl Airport to Vietnam refresh daily.
How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Vietnam?
As of June 2025, there are 11 operators available to choose from for flights from Chicago O'Hare Intl Airport to Vietnam.
How old do you have to be to fly from Chicago O'Hare Intl Airport to Vietnam?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago O'Hare Intl Airport to Vietnam.
What documentation or ID do you need to fly to Vietnam?
The travel and health documents required for your trip to Vietnam can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Vietnam. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
Best airlines flying from Chicago O'Hare Intl Airport to Vietnam
Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Vietnam with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $632 | Free Cancellation | Rating 5.5 2,917 reviews | |||
| PriceFrom $733 | Free Cancellation | Rating 7.5 900 reviews | |||
| PriceFrom $751 | Free Cancellation | Rating 8.3 887 reviews | |||
| PriceFrom $768 | Free Cancellation | Rating 8.4 1,090 reviews | |||
| PriceFrom $777 | Free Cancellation | Rating 7.3 3,867 reviews | |||
| PriceFrom $798 | Free Cancellation | Rating 8.3 1,502 reviews | |||
| PriceFrom $829 | Free Cancellation | Rating 7.4 8,830 reviews | |||
| PriceFrom $840 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $902 | Free Cancellation | Rating 8.0 7,962 reviews | |||
| PriceFrom $948 | Free Cancellation | Rating 8.4 1,207 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Chicago to Vietnam?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Chicago to Vietnam. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Chicago to Vietnam with flexible booking policies on momondo?
All flight searches from Chicago to Vietnam on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Chicago to Vietnam?
momondo helps you find the best flight between Chicago and Vietnam by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Chicago to Vietnam right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Chicago to Vietnam now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Vietnam and let you know when they change.