$638 Cheap Flights from Singapore (SIN) to Idaho Falls (IDA)

View $638 flight on Wed, Dec 24, 2025Opens in a new window

Popular airlines from Singapore Changi Airport (SIN) to Idaho Falls Regional Airport (IDA)

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Cheap Flights from Singapore to Idaho Falls (SIN-IDA)

Prices were available within the past 7 days and start at $638 for one-way flights and $1,983 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

EVA Airways
Sun, Dec 28 - Sun, Jan 4
SIN
Singapore
IDA
Idaho Falls
$1,983 Roundtrip, found 4 days ago
$1,983
Roundtrip
found 4 days ago
Select EVA Airways flight, departing Sun, Dec 28 from Singapore to Idaho Falls, returning Sun, Jan 4, priced at $1,983 found 4 days ago
EVA Airways
Sun, Dec 28 - Sun, Jan 4
SIN
Singapore
IDA
Idaho Falls
$2,073 Roundtrip, found 4 days ago
$2,073
Roundtrip
found 4 days ago
Select EVA Airways flight, departing Sun, Dec 28 from Singapore to Idaho Falls, returning Sun, Jan 4, priced at $2,073 found 4 days ago
EVA Airways
Sun, Dec 28 - Sun, Jan 4
SIN
Singapore
IDA
Idaho Falls
$2,092 Roundtrip, found 4 days ago
$2,092
Roundtrip
found 4 days ago
Select EVA Airways flight, departing Sun, Dec 28 from Singapore to Idaho Falls, returning Sun, Jan 4, priced at $2,092 found 4 days ago
EVA Airways
Sun, Dec 28 - Sun, Jan 4
SIN
Singapore
IDA
Idaho Falls
$2,183 Roundtrip, found 4 days ago
$2,183
Roundtrip
found 4 days ago
Select EVA Airways flight, departing Sun, Dec 28 from Singapore to Idaho Falls, returning Sun, Jan 4, priced at $2,183 found 4 days ago
China Airlines
Sun, Dec 28 - Sun, Jan 4
SIN
Singapore
IDA
Idaho Falls
$2,187 Roundtrip, found 4 days ago
$2,187
Roundtrip
found 4 days ago
Select China Airlines flight, departing Sun, Dec 28 from Singapore to Idaho Falls, returning Sun, Jan 4, priced at $2,187 found 4 days ago
EVA Airways
Sun, Dec 28 - Sun, Jan 4
SIN
Singapore
IDA
Idaho Falls
$2,291 Roundtrip, found 4 days ago
$2,291
Roundtrip
found 4 days ago
Select EVA Airways flight, departing Sun, Dec 28 from Singapore to Idaho Falls, returning Sun, Jan 4, priced at $2,291 found 4 days ago
Philippine Airlines
Sun, Dec 28 - Sun, Jan 4
SIN
Singapore
IDA
Idaho Falls
$2,347 Roundtrip, found 4 days ago
$2,347
Roundtrip
found 4 days ago
Select Philippine Airlines flight, departing Sun, Dec 28 from Singapore to Idaho Falls, returning Sun, Jan 4, priced at $2,347 found 4 days ago
EVA Airways
Sun, Dec 28 - Sun, Jan 4
SIN
Singapore
IDA
Idaho Falls
$2,381 Roundtrip, found 4 days ago
$2,381
Roundtrip
found 4 days ago
Select EVA Airways flight, departing Sun, Dec 28 from Singapore to Idaho Falls, returning Sun, Jan 4, priced at $2,381 found 4 days ago
Korean Air
Sun, Dec 28 - Sun, Jan 4
SIN
Singapore
IDA
Idaho Falls
$2,395 Roundtrip, found 4 days ago
$2,395
Roundtrip
found 4 days ago
Select Korean Air flight, departing Sun, Dec 28 from Singapore to Idaho Falls, returning Sun, Jan 4, priced at $2,395 found 4 days ago
Qatar Airways
Sun, Dec 28 - Sun, Jan 4
SIN
Singapore
IDA
Idaho Falls
$2,680 Roundtrip, found 4 days ago
$2,680
Roundtrip
found 4 days ago
Select Qatar Airways flight, departing Sun, Dec 28 from Singapore to Idaho Falls, returning Sun, Jan 4, priced at $2,680 found 4 days ago
Flights from Singapore (SIN) to Idaho Falls (IDA)
Origin airport
Changi
Destination airport
Idaho Falls Regional
Roundtrip price
$1,983
Distance
8618 mi

Singapore to Idaho Falls Flights

The cheapest times to fly from Singapore to Idaho Falls

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 Singapore to Idaho Falls are during the month of December. You can find some of the cheapest flights from Singapore to Idaho Falls with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Singapore to Idaho Falls

Sunday is one of the best days to book for cheap flights from Singapore to Idaho Falls: 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 Singapore to Idaho Falls

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 Singapore to Idaho Falls in 2026. You can also book with separate airlines for your outbound and return journeys, from $638 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 Singapore to Idaho Falls 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 Singapore to Idaho Falls 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.

 

Frequently asked questions

How much does a flight from Changi Airport (SIN) to Idaho Falls Regional Airport (IDA) cost?
Get a cheap one-way flight from $638 or cheap return flight from $1,983 from Changi Airport (SIN) to Idaho Falls Regional Airport (IDA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Changi Airport (SIN) to Idaho Falls Regional Airport (IDA)?
December is the most affordable month to fly from SIN to IDA. Planning your trip for the off-season is often the key to better flight prices.
What is the cheapest airline that flies from Changi Airport (SIN) to Idaho Falls Regional Airport (IDA)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest SIN to IDA flight.
How many flights per day from Changi Airport (SIN) to Idaho Falls Regional Airport (IDA)?
There aren't any daily nonstop flights from Changi Airport (SIN) to Idaho Falls Regional Airport (IDA). But you can choose flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be on your way before you know it.
What day of the week has the most flights from SIN to IDA?
Usually you'll find the largest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* But this can change based on the airline, season and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Changi Airport (SIN) to Idaho Falls Regional Airport (IDA)?
To touch down at Idaho Falls Regional Airport (IDA) without delays, book a flight that leaves from Changi Airport (SIN) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 Changi Airport (SIN) to Idaho Falls Regional Airport (IDA) last-minute?
Holding off until just before your trip to book your flight from SIN to IDA generally means paying more. While you may find some last-minute offers, there's no guarantee. Keep your travel plans flexible for the best chance of snagging a bargain.
Is it cheaper to book a SIN to IDA flight and hotel package?
Securing a SIN to IDA flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Choose from our wide range of stays and then add car rentals, activities and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Changi Airport (SIN) to Idaho Falls Regional Airport (IDA)?
In most instances, you're able to reschedule or cancel your SIN to IDA flight. However, there may be additional fees, especially if you made your booking more than 24 hours ago. Double-check your itinerary for the airline's fees and rules on flight changes, or if you'd like more information, head to our Customer Service portal.

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*Available to One Key members.