$458 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 22 airports in Southeast Asia. The busiest airport is Bangkok Suvarnabhumi Airport (BKK), with 17% 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 $627.

The cheapest ticket to Southeast Asia from Illinois found in the last 5 days was to Manila, at $924 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 $924.

The cheapest month for flights from Illinois to Southeast Asia is April, when tickets cost $324 (return) on average. On the other hand, the most expensive months are June and December, when the average cost of round-trip tickets is $1,313 and $1,062 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 7% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 21 weeks before departure.

An average nonstop flight from Illinois to Southeast Asia takes 26h 03m, covering a distance of 8737 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 (46% of total searches to Southeast Asia). The next most popular destinations are Manila (17%) and Ho Chi Minh City (8%). Searches for flights to Denpasar (6%), to Kuala Lumpur (3%) and to Cebu City (3%) are also popular.