$546 Find Cheap Flights from Vietnam to Illinois - 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 Vietnam to Illinois departing on 10/5. 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.
1 adult
1 adult, Economy, 0 bags

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Cheap Flights from Vietnam to Illinois

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Vietnam to Illinois 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 Vietnam to Illinois

Fri, Sep 4 - Fri, Sep 11
Cathay Pacific Logo
6:55 am - 2:20 pm
SGN
-
ORD
19h 25m
1 stop
Cathay Pacific Logo
4:00 pm - 10:05 am
ORD
-
SGN
30h 05m
1 stop
$852Cathay Pacific
Wed, Sep 23 - Wed, Sep 30
Cathay Pacific Logo
6:20 pm - 1:55 pm
SGN
-
ORD
31h 35m
1 stop
Cathay Pacific Logo
4:15 pm - 10:05 am
ORD
-
SGN
29h 50m
1 stop
$860Cathay Pacific
Tue, Sep 15 - Mon, Sep 21
Cathay Pacific Logo
6:55 am - 2:20 pm
SGN
-
ORD
19h 25m
1 stop
Cathay Pacific Logo
4:15 pm - 12:20 am
ORD
-
SGN
20h 05m
1 stop
$860Cathay Pacific
Mon, Sep 14 - Tue, Sep 22
Cathay Pacific Logo
11:05 am - 2:20 pm
SGN
-
ORD
39h 15m
1 stop
Cathay Pacific Logo
4:15 pm - 12:20 am
ORD
-
SGN
20h 05m
1 stop
$860Cathay Pacific
Wed, Sep 16 - Tue, Sep 22
Cathay Pacific Logo
11:05 am - 1:55 pm
SGN
-
ORD
38h 50m
1 stop
Cathay Pacific Logo
4:15 pm - 12:20 am
ORD
-
SGN
20h 05m
1 stop
$860Cathay Pacific
Tue, Sep 15 - Tue, Sep 22
Cathay Pacific Logo
11:05 am - 1:55 pm
SGN
-
ORD
38h 50m
1 stop
Cathay Pacific Logo
4:15 pm - 5:20 pm
ORD
-
SGN
37h 05m
1 stop
$860Cathay Pacific
Mon, Sep 14 - Mon, Sep 21
Cathay Pacific Logo
6:20 pm - 2:20 pm
SGN
-
ORD
32h 00m
1 stop
Cathay Pacific Logo
4:15 pm - 10:05 am
ORD
-
SGN
29h 50m
1 stop
$860Cathay Pacific
Wed, Sep 16 - Wed, Sep 23
Cathay Pacific Logo
11:05 am - 1:55 pm
SGN
-
ORD
38h 50m
1 stop
Cathay Pacific Logo
4:15 pm - 12:20 am
ORD
-
SGN
20h 05m
1 stop
$860Cathay Pacific
Fri, Jan 8 - Thu, Mar 11
EVA Air Logo
1:55 am - 5:05 am
SGN
-
ORD
40h 10m
2 stops
EVA Air Logo
11:30 pm - 11:35 am
ORD
-
SGN
23h 05m
1 stop
$1,481EVA Air
Wed, Jan 6 - Sat, Mar 13
EVA Air Logo
1:55 am - 5:05 am
SGN
-
ORD
40h 10m
2 stops
EVA Air Logo
11:30 pm - 10:05 am
ORD
-
SGN
21h 35m
1 stop
$1,481EVA Air
Booking Insights

KAYAK's insights & trends for flights to Illinois

Get data-powered insights and trends for flights to Illinois to help you find the cheapest flights, the best time to fly and much more.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Vietnam to Illinois, 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 Vietnam to Illinois is October, when tickets cost $575 (return) on average. On the other hand, the most expensive months are March and January, when the average cost of round-trip tickets is $808 and $748 respectively.

Find deals

Good to know

Low season

February

Cheapest flight

$546
Best time to beat the crowds with an average 10% drop in price.
Most popular time to fly and prices are also 17% lower on average.
Flight from Hanoi to Chicago O'Hare Airport

FAQs for booking flights from Vietnam to Illinois

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

    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 Vietnam to Illinois.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Vietnam to Illinois 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 Vietnam to Illinois?

    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 Vietnam to Illinois 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 Vietnam to Illinois?

    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 Vietnam to Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Illinois

Cabin class types available on flights to Illinois

Cabin classes available on flights to Illinois. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
First Class flights to Illinois
Business Class flights to Illinois
Premium Economy Class flights to Illinois
Economy Class flights to Illinois