$368 Find Cheap Flights from Illinois to Southeast Asia - Compare and Save

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 Illinois to Southeast Asia.

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

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 Illinois to Southeast Asia with an airline and back with another airline.

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

There are 23 airports in Southeast Asia. The busiest airport is Bangkok Suvarnabhumi Airport (BKK), with 16% of all flights arriving there.

Prices will differ depending on the departure airport, but generally, the cheapest airport to fly to in Southeast Asia is Manila Ninoy Aquino Intl Airport (MNL), with an average flight price of $689.

The cheapest ticket to Southeast Asia from Illinois found in the last 5 days was to Manila, at $863 round-trip. The most popular route is Chicago O'Hare Intl Airport (ORD) to Manila (MNL) and the cheapest round-trip airline ticket found on this route in the last 5 days was $863.

The cheapest month for flights from Illinois to Southeast Asia is September, when tickets cost $516 (return) on average. On the other hand, the most expensive months are December and June, when the average cost of round-trip tickets is $970 and $890 respectively.

To get a below average price on the flight from Illinois to Southeast Asia, you should book around 6 weeks before departure, which saves you about 14% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 13 weeks before departure.

An average nonstop flight from Illinois to Southeast Asia takes 27h 02m, covering a distance of 8753 miles. The shortest route is Chicago O'Hare Intl Airport (ORD) to Manila (MNL) with an average flight time of 16h 40m.

Based on KAYAK flight searches, the most popular destination is Bangkok (67% of total searches to Southeast Asia). The next most popular destinations are Manila (22%) and Denpasar (5%). Searches for flights to Hanoi (4%), to Angeles City (2%) and to Iloilo City (0%) are also popular.