$450 Find Cheap Flights from Chicago to Vietnam - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Chicago to Vietnam departing on 8/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
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Cheap Flights from Chicago to Vietnam

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Hue
Hue2 stops$1,530
Hue
Hue2 stops$1,530

Book Cheap Chicago to Vietnam Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Chicago to Vietnam that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Chicago to Vietnam

Tue, Sep 8 - Tue, Sep 29
Cathay Pacific Logo
4:00 pm - 11:05 am
ORD
-
DAD
31h 05m
1 stop
Cathay Pacific Logo
6:10 pm - 1:55 pm
DAD
-
ORD
31h 45m
1 stop
$844Cathay Pacific
Tue, Sep 8 - Tue, Sep 29
Cathay Pacific Logo
4:00 pm - 11:05 am
ORD
-
DAD
31h 05m
1 stop
Cathay Pacific Logo
6:10 pm - 1:55 pm
DAD
-
ORD
31h 45m
1 stop
$849Cathay Pacific
Thu, Oct 8 - Wed, Oct 21
Cathay Pacific Logo
4:15 pm - 6:10 pm
ORD
-
HAN
37h 55m
1 stop
Cathay Pacific Logo
10:25 am - 1:55 pm
HAN
-
ORD
39h 30m
1 stop
$854Cathay Pacific
Sat, Nov 14 - Wed, Dec 9
Korean Air Logo
11:15 am - 12:50 pm
ORD
-
SGN
36h 35m
1 stop
Korean Air Logo
2:05 pm - 8:30 am
SGN
-
ORD
31h 25m
1 stop
$968Korean Air
Mon, Aug 10 - Tue, Aug 18
United Airlines Logo
5:00 am - 10:05 pm
ORD
-
SGN
29h 05m
3 stops
United Airlines Logo
7:00 am - 9:43 am
SGN
-
ORD
38h 43m
3 stops
$969United Airlines
Sat, Sep 26 - Sat, Oct 10
Delta Logo
5:44 pm - 10:10 pm
ORD
-
SGN
40h 26m
2 stops
Delta Logo
7:30 am - 10:00 pm
SGN
-
ORD
26h 30m
2 stops
$971Delta
Thu, Oct 22 - Fri, Nov 6
ANA Logo
5:45 pm - 9:55 pm
ORD
-
SGN
40h 10m
1 stop
ANA Logo
7:30 am - 1:50 pm
SGN
-
ORD
19h 20m
1 stop
$972ANA
Sat, Sep 26 - Sat, Oct 10
United Airlines Logo
8:50 am - 10:05 pm
ORD
-
SGN
25h 15m
2 stops
United Airlines Logo
7:00 am - 9:31 pm
SGN
-
ORD
26h 31m
2 stops
$973United Airlines
Mon, Aug 10 - Tue, Aug 18
Delta Logo
12:30 pm - 12:35 pm
ORD
-
SGN
36h 05m
1 stop
Delta Logo
7:30 am - 11:48 pm
SGN
-
ORD
28h 18m
2 stops
$975Delta
Wed, Nov 4 - Sun, Nov 8
Korean Air Logo
11:15 am - 2:00 pm
ORD
-
PQC
37h 45m
1 stop
Korean Air Logo
3:30 pm - 8:30 am
PQC
-
ORD
30h 00m
1 stop
$1,016Korean Air
Booking Insights

KAYAK's insights & trends for Chicago to Vietnam flights

Get data-powered insights and trends into flights from Chicago to Vietnam to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Chicago to Vietnam?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Chicago to Vietnam, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Chicago to Vietnam is August, when tickets cost $468 (return) on average. On the other hand, the most expensive months are June and March, when the average cost of round-trip tickets is $2,272 and $1,451 respectively.

How far in advance should I book a flight from Chicago to Vietnam?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Chicago to Vietnam, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Chicago to Vietnam, you should book around 3 weeks before departure, which saves you about 15% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 8 weeks before departure.

Good to know

Low seasonApril
Cheapest flight$450
Best time to beat the crowds with an average 24% drop in price.
Most popular time to fly with an average 29% increase in price.
Flight from Chicago to Da Nang

FAQs - booking Vietnam flights

  • What is the preferred means of transport to the city center from HAN airport?

    Taking a cab from Noi Bai International Airport into the center of Hanoi is the method that is certain to be both the quickest and most dependable. Depending on the level of traffic, the trip to and from HAN airport may be completed by any one of a number of different taxi companies in under 40min.

  • Are there car rental services at HAN airport?

    Car rental agencies may be located on the level of the International Terminal that is designated for passenger arrivals. Avis, Hertz, and Budget are the three rental car agencies that provide shuttle or pick-up services between Hanoi Noibai Airport and off-airport areas.

  • Can I stay overnight at ORD airport?

    Technically, Chicago O'Hare International Airport is open around the clock, although its security checkpoints close down at night with the exception of Terminal 5. If you are already within the Secure zones when they close, you are permitted to stay airside after the doors are locked.

  • Are there parking lots inside ORD airport?

    At O'Hare International Airport, guests have a selection of parking options, including valet service, hourly and daily parking, as well as long-term and economy parking. Level 1 of the main garage at O'Hare International Airport offers hourly parking and is conveniently located near the airport's domestic terminals.

  • How does KAYAK find such low prices on flights from Chicago to Vietnam?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Chicago to Vietnam.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Chicago to Vietnam?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Chicago to Vietnam is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Chicago to Vietnam?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Chicago to Vietnam with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Chicago to Vietnam?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Chicago to Vietnam up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Top tips for finding cheap flights to Vietnam

  • If you are traveling to Vietnam, you can use either Noi Bai International Airport or Tan Son Nhat International Airport. HAN is the country's busiest airport in terms of passenger traffic, ranking second only to Tan Son Nhat International Airport. HAN is also the country's busiest airport in terms of cargo transit.
  • Chicago is home to two major international airports: O'Hare International Airport (abbreviated as ORD) and Chicago Midway International Airport (abbreviated as MDW). If you need to go anywhere across the globe or anywhere in the United States, you need to fly from O'Hare International Airport.
  • There are 15 waiting areas, or lounges, at ORD, with at least one at each terminal. You are welcome to utilize these lounges throughout your time at ORD. In addition, Chicago Midway Airport provides its passengers with lounges in each of the airport's terminals. These lounges have charging stations, as well as free Wi-Fi and showers, for the convenience of guests.
  • Traveling mothers may rest easy knowing that O'Hare International Airport has a comfortable nursing moms' lounge where they can nurse their children or pump breast milk. The airport's nursing area is situated in the rotunda of Terminal 3, which is also home to the airport's yoga room and urban garden. To accommodate nursing moms who want a more private setting, MDW (Chicago Midway) has a Mother's Room. In addition to a space to wash up and relax, it also provides a sink and some comfy sitting.
  • Passengers with mobility needs may make use of the many amenities that are offered at both the ORD and HAN airports. You may obtain help at any time before, during, or after your trip at any airport with renting a wheelchair and navigating the terminal. You must provide the airline with advance notice in order to take advantage of these amenities.

Reviews of the top 5 airlines serving from Chicago to Vietnam

 
Need help choosing which airline to fly with from Chicago to Vietnam? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.5
EVA AirOverall score based on 1484 reviews
8.3Comfort
8.1Food
8.4Boarding
8.7Crew
8.0Entertainment
Airline reviews

They forced me to check a bag. When Kayak sold me these tickets I was not informed of carry on baggage weight limits.

4.0 OkayAnonymous, Jun 2026
SEA - TPE
Read more EVA Air reviews

They forced me to check a bag. When Kayak sold me these tickets I was not informed of carry on baggage weight limits.

Very nice, I feel I got good value for the price.

Certain flight crew member were rude and short with me when I asked questions.

Staff show very stress with delayed flight more than passenger.

I appreciate the email reminders for online check-in which made my entry to the lines less stressful. The flight was on schedule and on time. The baording staff were proactively helpful and approachable. The airplane inflight food, entertainment and comfies as well as provisions are excellent even in the economy seating. The airline transfer was smooth and easy! Luggage safe and intact! Thank you EVA airline for making my trip a reliable safe and comfortable experience.

On time service. Seat comfort and the crew service very good .

Seats could have been more comfortable, but it was a pretty good experience all things considered

Eva air is a good airline. The seats on the way to Taipei could have certainly been more comfortable, but all in all it was a pretty good experience.

Poor services. Not meet 5-star airline standard. Disappointed with the poor food and drink selections. Cabin crew is not attentive at all. They even skipped me during meal service (not sure if it is intentionally).

All went well with my flight I would recommend this to anyone who asked how my flight was

AAAAHHHH... It was shocking in a very positive way, the attention to detail, the courtesy, the manners of all personnel on board, the constant honest smiling. You can see and feel they take pride in all they do no matter how trivial. The plane in general was very comfortable. I can't wait to do it again

The boarding process was efficient and quick. The seats were comfortable. The food was good. The service was excellent. We had a lovely flight from Seattle on Korean air

Flight crew was fantastic. The aircraft was meticulously cleaned at all times. The crew was continuously checking to see if the passengers were ok.

They were trying to get people to check luggage because the over head compartments were full but when we boarded there were lots of empty places that people could have put the luggage.

It was good, I liked the self-serve snacks but it was a little difficult to get the alcohol, which is understandable since I wouldn't want kids sneaking it.

This flight was a superior flight in all regards. Extremely pleasant experience.

The carry on baggage was collected before boarding without further information where the passengers can collect them . When the flight arrived at Tan son Nhat airport, it was very complicate to find the luggage

Unlimited drinks and snacks on this long flight. Very courteous Korean staff !!!

The flight crews were extremely professional helpful and courteous. Departure and arrival times were accurate. No delay. Thanks

Great crew, decent food Charging plugs were broken on both seats next to me. Only the USB port was available, and that charges, very, very slowly. Seat was also broken, it would not lock into position when reclining.

The crew was very inconsiderate and rude. My flight was scheduled to depart at 6:00am. I received a call from the crew at 5:40am, asking if I was going to make the flight because I was the only one that hasn't boarded yet and boarding ends at 5:50am. I let them know that I will be at the gate in a few minutes, before the 5:50am cutoff. When I arrived at the gate at 5:45am the gate was closed. Departing early on last minute notice without having all passengers on board is inconsiderate and unprofessional.

Very easy to use and convenient, you can perform any action within the same portal

Okay considering we had weather delays which the Pilot notified us of immediately!

The boarding was organized and informative but the plane was tight meaning that you were sitting on one another and extremely uncomfortable. It’s disappointing that can’t have common seating comfort on the plane.

Everything could have benn better. Short fly, no food, no entertainment and no wifi.

Stop changing gates. Stop cancelling flights Stop moving my seat.

The staff was frielndly. The plane was terrible, it was too small and should be decommissioned. There were no back seat screens at all. The only beverages we had a choice from was coffee, tea or water. The only bathroom in the back was behind the flight attendant's jump seat and wasn't working. And I literally felt like I was sitting on top of the guy next to me. It was terribly hot in the plane and we had to sit on the tarmac in Chicago for 1/2 hour due to congestion in Mpls. Wouldn't they have know that before they even boarded us so that we could have sat in comfort in the terminal?

This was one of the worst flights I’ve been on in years. I upgraded to comfort and had such an uncomfortable experience. The person next to me was oversized - which I understand - however, they took up their space and mine. I could only use about 50% of my seat space to not be physically touching this person the entire flight and there was no spatial awareness. I also could not use the seat outlet because their body was obstructing it. It was very inconvenient. Their body kept touching me repeatedly during the flight and I felt very uncomfortable. To pay more for an upgraded space and then not even being able to use it was highly disappointing.

It was very cold because the air conditioner was on high power, and my son got sick.

Horrible. Flight ORD to CGH was okay, but Paris was a nightmare. Old planes, delays, involuntary downgrades, broken planes, terrible communication. CGH to CPT was my worst flight ever.

The plane was dirty, the seats were torn and broken, the service was the most terrible ever, the bathroom dirty, they will not even serve water you had to request it, the meals were terrible, overall less than Zero, I will never fly Cathay Pacific again.

Despite the crew's rough day, they were all very focused and friendly. The flight was too short for a meal, so no rating on that. Re. the AA app. It still isn't ready for prime time. AA works with Cathy Pacific for international flights to LA and the Aa jump to PHX. But the AA app can't find my trip and this can be problematic with flight delays and regatings at LAX.

Was not able to board flight because boarding pass name did not match passport name and no one caught it.

Good service and food. However, we paid over $400 for aisle seats for my disabled husband and me, and we were given window and middle seats. This was dangerous for our health condition on such a long flight. We needed to stand up and walk around frequently, but we were stuck in our seats. Please give us a refund of our seat payment since you chose not to honor our request.

Everything was fine and I have no complaints or things to note.

The economy seats are much indeed roomier. Meals needs improvement.

Food was hood for airline food with good poftion and variety in meals. Frequency of beverage service was very low and amount of soda with meals was inadequate.

From Chicago to Hong Kong was great., but from Hong Kong to manila we had hard time looking for the gate of our connecting flight. There wasn’t hardly any sign.

The flight crew was exceptionally good. Personal needs were well met. The food choices were very nice.

The crew were fine. I didn’t enjoy the food at all. I found it unappetising and really had trouble eating it. The comfort level was fine and our return flight is with Cathay Pacific but honestly I probably wouldn’t fly Cathay Pacific again.

The flight was delayed by a hour and I wish they had communicated it sooner. No issues on the plane, it did take a while for food to come.

Know that the movies that you are going to be offered are the oldest be rated movies they could possibly get. They may have one or two new movies that they keep advertising but when you’re flying 15 hours, there is nothing to see past the first new movie.

Agents at gate were not immediately available to solve problems and once they did they didn’t fix all the fight connections

Great experience. Boarding was fast, staff were very nice and funny, everything at the seat worked well.

Horrible! Several delays and then was cancelled! I spent over 24 hours in the airport and was unable to get a hotel or food voucher.

Smooth travel. Immediate update prior flight delay so I can arrange myself properly without too rush.

Boarded early; and arrived home 40 mins early. After a long flight, it’s nice to be back home early. These flights have no amenities; no snacks. So need to bring your own

A long delay. Don't travel late in the day.

Super friendly with lots of drink options an entertainment. Friendly crew.

The crew was great. Very friendly and responsive. The plane was old, small and tight. We ran out of overhead space and I had to check. Middle seat was particularly tight.

Everything you need to know for your flight from Chicago to Vietnam

Cabin class types available on flights to Vietnam

Cabin classes available on flights to Vietnam. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.