$268 Cheap Flights to Southeast Asia

The cheapest month to fly to Southeast Asia is October when demand is low. Off-peak months are typically when you'll find cheap fares. To keep costs down, avoid flying during public holidays and school breaks.

To fly to Southeast Asia without a stopover, simply check the "Direct flights only" box when you search for journeys on Expedia and we'll show you all the available options to compare.

Book well in advance or look for cheap flights to Southeast Asia during off-season months like August and September. Leaving on a Thursday can also save you 16% on average compared to a Sunday flight.* The Expedia app makes it even easier to know when to book. Just turn on the toggle for "Watch prices" and get notified as soon as fares drop.

*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.

You can find awesome deals on last-minute departures to Southeast Asia, especially if your plans are flexible. Consider your options for jetting out of a different hub, tweaking your trip dates or choosing an alternative airline to get a cheap flight to Southeast Asia.

Find the travel dates you want and a price your budget will love by booking your domestic flight to Southeast Asia up to 28 days in advance. Search for tickets between two and four months ahead if you're jetting to Southeast Asia from an international destination.*

*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.

You can usually find cheap flights to Southeast Asia on a Sunday. You'll save around 8% on average compared to those who book on a Friday, which is often the most expensive day to book.*

*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.