$1,145 Cheap Flights from St. Louis (STL) to Surabaya (SUB)

View $1,145 flight on Fri, Nov 21, 2025Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Surabaya (SUB-Juanda)

Cheap Flights from St. Louis to Surabaya (STL-SUB)

Prices were available within the past 7 days and start at $1,145 for one-way flights and $1,527 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Cathay Pacific
Mon, Dec 1 - Fri, Dec 5
STL
St. Louis
SUB
Surabaya
$1,527 Roundtrip, found 1 day ago
$1,527
Roundtrip
found 1 day ago
Select Cathay Pacific flight, departing Mon, Dec 1 from St. Louis to Surabaya, returning Fri, Dec 5, priced at $1,527 found 1 day ago
Cathay Pacific
Mon, Dec 1 - Fri, Dec 5
STL
St. Louis
SUB
Surabaya
$1,538 Roundtrip, found 1 day ago
$1,538
Roundtrip
found 1 day ago
Select Cathay Pacific flight, departing Mon, Dec 1 from St. Louis to Surabaya, returning Fri, Dec 5, priced at $1,538 found 1 day ago
Cathay Pacific
Fri, Nov 21 - Fri, Nov 28
STL
St. Louis
SUB
Surabaya
$1,706 Roundtrip, found 6 days ago
$1,706
Roundtrip
found 6 days ago
Select Cathay Pacific flight, departing Fri, Nov 21 from St. Louis to Surabaya, returning Fri, Nov 28, priced at $1,706 found 6 days ago
Cathay Pacific
Mon, Dec 1 - Fri, Dec 5
STL
St. Louis
SUB
Surabaya
$1,734 Roundtrip, found 1 day ago
$1,734
Roundtrip
found 1 day ago
Select Cathay Pacific flight, departing Mon, Dec 1 from St. Louis to Surabaya, returning Fri, Dec 5, priced at $1,734 found 1 day ago
Cathay Pacific
Mon, Dec 1 - Fri, Dec 5
STL
St. Louis
SUB
Surabaya
$1,745 Roundtrip, found 1 day ago
$1,745
Roundtrip
found 1 day ago
Select Cathay Pacific flight, departing Mon, Dec 1 from St. Louis to Surabaya, returning Fri, Dec 5, priced at $1,745 found 1 day ago
Cathay Pacific
Fri, Nov 21 - Fri, Nov 28
STL
St. Louis
SUB
Surabaya
$1,852 Roundtrip, found 6 days ago
$1,852
Roundtrip
found 6 days ago
Select Cathay Pacific flight, departing Fri, Nov 21 from St. Louis to Surabaya, returning Fri, Nov 28, priced at $1,852 found 6 days ago
Cathay Pacific
Fri, Nov 21 - Fri, Nov 28
STL
St. Louis
SUB
Surabaya
$1,890 Roundtrip, found 6 days ago
$1,890
Roundtrip
found 6 days ago
Select Cathay Pacific flight, departing Fri, Nov 21 from St. Louis to Surabaya, returning Fri, Nov 28, priced at $1,890 found 6 days ago
Cathay Pacific
Fri, Nov 21 - Fri, Nov 28
STL
St. Louis
SUB
Surabaya
$2,025 Roundtrip, found 6 days ago
$2,025
Roundtrip
found 6 days ago
Select Cathay Pacific flight, departing Fri, Nov 21 from St. Louis to Surabaya, returning Fri, Nov 28, priced at $2,025 found 6 days ago
Cathay Pacific
Fri, Nov 21 - Fri, Nov 28
STL
St. Louis
SUB
Surabaya
$2,036 Roundtrip, found 6 days ago
$2,036
Roundtrip
found 6 days ago
Select Cathay Pacific flight, departing Fri, Nov 21 from St. Louis to Surabaya, returning Fri, Nov 28, priced at $2,036 found 6 days ago
Cathay Pacific
Fri, Nov 21 - Fri, Nov 28
STL
St. Louis
SUB
Surabaya
$2,116 Roundtrip, found 6 days ago
$2,116
Roundtrip
found 6 days ago
Select Cathay Pacific flight, departing Fri, Nov 21 from St. Louis to Surabaya, returning Fri, Nov 28, priced at $2,116 found 6 days ago
Cathay Pacific
Fri, Nov 21 - Fri, Nov 28
STL
St. Louis
SUB
Surabaya
$2,126 Roundtrip, found 6 days ago
$2,126
Roundtrip
found 6 days ago
Select Cathay Pacific flight, departing Fri, Nov 21 from St. Louis to Surabaya, returning Fri, Nov 28, priced at $2,126 found 6 days ago

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Juanda Airport (SUB) cost?
Snag a cheap one-way flight from $1,145 or cheap return flight from $1,527 from Lambert-St. Louis Intl. Airport (STL) to Juanda Airport (SUB) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to Juanda Airport (SUB)?
December is the cheapest month to fly from STL to SUB. Timing your trip outside of the busy season is often the key to better flight prices.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Juanda Airport (SUB)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest STL to SUB flight.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Juanda Airport (SUB)?
There are no daily direct flights departing from Lambert-St. Louis Intl. Airport (STL) to Juanda Airport (SUB). But you can book flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be cruising above the clouds in no time at all.
What day of the week has the most flights from STL to SUB?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Juanda Airport (SUB)?
To avoid possible delays on the Lambert-St. Louis Intl. Airport (STL) to Juanda Airport (SUB) route, travel before 3 PM. Later flights have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to Juanda Airport (SUB) last-minute?
Booking your ticket from STL to SUB just before your trip is usually more expensive. But if there's some wiggle room with your departure times and dates, you could snag a cheap last-minute fare.
Is it cheaper to book a STL to SUB flight and hotel package?
You'll typically save money by booking a STL to SUB flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. After choosing your preferred flights and accommodations, consider adding extras such as tours, activities and car rentals.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Juanda Airport (SUB)?
If you reserved your STL to SUB flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for further details.

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Juanda
Roundtrip price
$1,526
Distance
9834 mi

Book with confidence

St. Louis to Surabaya Flights

The cheapest times to fly from St. Louis to Surabaya

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from St. Louis to Surabaya are during the month of December. You can find some of the cheapest flights from St. Louis to Surabaya with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Louis to Surabaya

Sunday is one of the best days to book for cheap flights from St. Louis to Surabaya: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from St. Louis to Surabaya

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from St. Louis to Surabaya in 2025. You can also book with separate airlines for your outbound and return journeys, from $1,145 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap St. Louis to Surabaya flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your St. Louis to Surabaya airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

St. Louis to Surabaya Flights

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*Available to One Key members.