A narrow boat with passengers and a photographer on a calm river surrounded by rocky cliffs.

$298 Cheap Flights to Southeast Asia

View $298 flight on Sun, Mar 28, 2027

Photo by Mattana K.

Popular airlines

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 30% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our OneKeyCash

    Learn about One Key

  • How much is the cheapest flight to Southeast Asia?

    Prices were available within the past 7 days and start at $298 for one-way flights and $601 for roundtrip, for the period specified. Prices and availability are subject to change.

    All deals

    One way

    Roundtrip

    Select American Airlines flight, departing Wed, Sep 1 from Columbus to Manila, returning Wed, Sep 29, priced at $817 Found 3 days ago

    Wed, Sep 1 - Wed, Sep 29 · CMH · MNL · Roundtrip

    Select Air Canada flight, departing Thu, Sep 16 from Columbus to Manila, returning Mon, Sep 20, priced at $1,001 Found 1 day ago

    Thu, Sep 16 - Mon, Sep 20 · CMH · MNL · Roundtrip

    Select American Airlines flight, departing Sun, Aug 15 from Columbus to Hanoi, returning Wed, Aug 25, priced at $1,085 Found 2 days ago

    Sun, Aug 15 - Wed, Aug 25 · CMH · HAN · Roundtrip

    Select Alaska Airlines flight, departing Wed, May 12 from Columbus to Bangkok, returning Mon, May 17, priced at $1,095 Found 3 hours ago

    Wed, May 12 - Mon, May 17 · CMH · BKK · Roundtrip

    Select Alaska Airlines flight, departing Wed, Sep 1 from Columbus to Ho Chi Minh City, returning Wed, Sep 8, priced at $1,116 Found 1 day ago

    Wed, Sep 1 - Wed, Sep 8 · CMH · SGN · Roundtrip

    Select American Airlines flight, departing Fri, Sep 17 from Columbus to Phuket, returning Sun, Sep 26, priced at $1,127 Found 1 day ago

    Fri, Sep 17 - Sun, Sep 26 · CMH · HKT · Roundtrip · Fo · und 1 day ago

    Select Delta flight, departing Tue, Nov 17 from Columbus to Bali, returning Tue, Nov 24, priced at $1,130 Found 6 days ago

    Tue, Nov 17 - Tue, Nov 24 · CMH · DPS · Roundtrip

    Select Qatar Airways flight, departing Mon, Apr 19 from Columbus to Hanoi, returning Tue, Apr 27, priced at $1,132 Found 4 days ago

    Mon, Apr 19 - Tue, Apr 27 · CMH · HAN · Roundtrip

    Select Alaska Airlines flight, departing Wed, Feb 17 from Columbus to Singapore, returning Wed, Feb 24, priced at $1,176 Found 22 hours ago

    Wed, Feb 17 - Wed, Feb 24 · CMH · SIN · Roundtrip

    Select Air Canada flight, departing Wed, Nov 25 from Columbus to Bangkok, returning Wed, Dec 2, priced at $2,130 Found 10 hours ago

    Wed, Nov 25 - Wed, Dec 2 · CMH · DMK · Roundtrip

    Alternative airports

    Prices were available within the past 7 days. Prices and availability are subject to change.

    Select flight to Ninoy Aquino Intl. MNL. Flights from $1,664

    Select flight to Tan Son Nhat Intl. SGN. Flights from $1,587

    Select flight to Changi SIN. Flights from $1,569

    Select flight to Phuket Intl. HKT. Flights from $1,623

    Select flight to Noi Bai Intl. HAN. Flights from $1,560

    Select flight to Mactan - Cebu Intl. CEB. Cheapest option available. Flights from $1,326

    Select flight to Kuala Lumpur Intl. KUL. Flights from $1,583

    Frequently Asked Questions

    What month is the cheapest to fly to Southeast Asia?

    The cheapest month to fly to Southeast Asia is April 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.

    Which US cities fly direct to Southeast Asia?

    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.

    How to find a cheap flight to Southeast Asia?

    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.

    How to get a cheap last-minute flight to Southeast Asia?

    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.

    How far in advance should I book a 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.

    Which day of the week is the cheapest day to buy a plane ticket to Southeast Asia?

    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.

    Travel information

    Airlines servingThai Airways International, Singapore Airlines, Qatar Airways, Emirates, Cathay Pacific, Turkish Airlines, Lufthansa, KLM, Etihad Airways, Air France, Finnair, British Airways, Korean Air, Swiss International Air Lines, Austrian Airlines, Malaysia Airlines, All Nippon Airways, Japan Airlines, EVA Airways, Vietnam Airlines, China Southern Airlines, LOT-Polish Airlines, SAS, China Eastern Airlines, Iberia, IndiGo, Asiana Airlines, Air India, ITA Airways, China Airlines, Philippine Airlines, Gulf Air, Scoot, Ethiopian Airlines, Oman Air, Condor
    Popular airlineThai Airways International
    Roundtrip price$817

    Trending flights to Southeast Asia

    Prices were available within the past 7 days and start at $298 for one-way flights and $601 for roundtrip, for the period specified. Prices and availability are subject to change.

    All deals

    One way

    Roundtrip

    Select Singapore Airlines flight, departing Tue, Apr 27 from San Francisco to Hanoi, returning Tue, May 4, priced at $601 Found 3 hours ago

    Tue, Apr 27 - Tue, May 4 · SFO · HAN · Roundtrip

    *Available to One Key members.