$375 Cheap Flights from Pasco (PSC) to Singapore (SIN)

View $375 flight on Sun, Apr 12, 2026Opens in a new window

Popular airlines from Tri-Cities Airport (PSC) to Singapore Changi Airport (SIN)

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Cheap Flights from Pasco to Singapore (PSC-SIN)

Prices were available within the past 7 days and start at $375 for one-way flights and $1,024 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, Dec 1 - Mon, Dec 8
PSC
Pasco
SIN
Singapore
$1,024 Roundtrip, found 4 days ago
$1,024
Roundtrip
found 4 days ago
Select United flight, departing Mon, Dec 1 from Pasco to Singapore, returning Mon, Dec 8, priced at $1,024 found 4 days ago
United
Sun, Feb 8 - Mon, Feb 16
PSC
Pasco
SIN
Singapore
$1,031 Roundtrip, found 6 days ago
$1,031
Roundtrip
found 6 days ago
Select United flight, departing Sun, Feb 8 from Pasco to Singapore, returning Mon, Feb 16, priced at $1,031 found 6 days ago
Korean Air
Wed, Feb 11 - Tue, Mar 3
PSC
Pasco
SIN
Singapore
$1,043 Roundtrip, found 4 days ago
$1,043
Roundtrip
found 4 days ago
Select Korean Air flight, departing Wed, Feb 11 from Pasco to Singapore, returning Tue, Mar 3, priced at $1,043 found 4 days ago
Alaska Airlines
Sun, Apr 12 - Sat, Apr 18
PSC
Pasco
SIN
Singapore
$1,065 Roundtrip, found 2 days ago
$1,065
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sun, Apr 12 from Pasco to Singapore, returning Sat, Apr 18, priced at $1,065 found 2 days ago
United
Sat, Feb 7 - Mon, Feb 16
PSC
Pasco
SIN
Singapore
$1,074 Roundtrip, found 6 days ago
$1,074
Roundtrip
found 6 days ago
Select United flight, departing Sat, Feb 7 from Pasco to Singapore, returning Mon, Feb 16, priced at $1,074 found 6 days ago
United
Tue, Feb 3 - Fri, Feb 13
PSC
Pasco
SIN
Singapore
$1,081 Roundtrip, found 6 days ago
$1,081
Roundtrip
found 6 days ago
Select United flight, departing Tue, Feb 3 from Pasco to Singapore, returning Fri, Feb 13, priced at $1,081 found 6 days ago
Alaska Airlines
Sun, Apr 12 - Sat, Apr 18
PSC
Pasco
SIN
Singapore
$1,107 Roundtrip, found 2 days ago
$1,107
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sun, Apr 12 from Pasco to Singapore, returning Sat, Apr 18, priced at $1,107 found 2 days ago
Alaska Airlines
Fri, Feb 6 - Fri, Feb 13
PSC
Pasco
SIN
Singapore
$1,118 Roundtrip, found 6 days ago
$1,118
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Fri, Feb 6 from Pasco to Singapore, returning Fri, Feb 13, priced at $1,118 found 6 days ago
Delta
Sun, Apr 12 - Sat, Apr 18
PSC
Pasco
SIN
Singapore
$1,200 Roundtrip, found 2 days ago
$1,200
Roundtrip
found 2 days ago
Select Delta flight, departing Sun, Apr 12 from Pasco to Singapore, returning Sat, Apr 18, priced at $1,200 found 2 days ago
Japan Airlines
Wed, Feb 11 - Tue, Mar 3
PSC
Pasco
SIN
Singapore
$1,243 Roundtrip, found 4 days ago
$1,243
Roundtrip
found 4 days ago
Select Japan Airlines flight, departing Wed, Feb 11 from Pasco to Singapore, returning Tue, Mar 3, priced at $1,243 found 4 days ago

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Flights from Pasco (PSC) to Singapore (SIN)
Origin airport
Tri-Cities
Destination airport
Changi
Airlines serving
Japan Airlines, Korean Air, Qatar Airways
Roundtrip price
$1,024
Distance
8234 mi

Pasco to Singapore Flights

The cheapest times to fly from Pasco to Singapore

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

 

The best time to book a flight from Pasco to Singapore

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

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 Pasco to Singapore in 2025. You can also book with separate airlines for your outbound and return journeys, from $375 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 Pasco to Singapore 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 Pasco to Singapore 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 Tri-Cities Airport (PSC) to Changi Airport (SIN) cost?
Lock in a cheap one-way flight from $375 or cheap return flight from $1,024 from Tri-Cities Airport (PSC) to Changi Airport (SIN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Tri-Cities Airport (PSC) to Changi Airport (SIN)?
The cheapest month to fly from PSC to SIN is December, when demand is low. Off-peak season is usually when airlines offer better prices between these airports.
What is the cheapest airline that flies from Tri-Cities Airport (PSC) to Changi Airport (SIN)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest PSC to SIN flight.
How many flights per day from Tri-Cities Airport (PSC) to Changi Airport (SIN)?
There aren't any daily nonstop flights available from Tri-Cities Airport (PSC) to Changi Airport (SIN). But you can book flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be on your way before you know it.
What day of the week has the most flights from PSC to SIN?
Typically you'll have the most choice when it comes to flights on a Friday. Tuesdays are often the quietest.* However, this can vary depending on the season, carrier 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 Tri-Cities Airport (PSC) to Changi Airport (SIN)?
To avoid possible delays on the Tri-Cities Airport (PSC) to Changi Airport (SIN) route, travel before 3 PM. Departures after this hour have a 22% higher chance of cancellation.**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 Tri-Cities Airport (PSC) to Changi Airport (SIN) last-minute?
Waiting until just before your departure to book your flight from PSC to SIN generally means paying more. While you might find some last-minute deals, they're not always guaranteed. Keep your travel plans flexible for the best chance of landing a bargain.
Is it cheaper to book a PSC to SIN flight and hotel package?
You'll generally save money by booking a PSC to SIN flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. Once you've chosen your preferred flights and accommodations, you can add extras such as car rentals, activities and tours.
Can I cancel or change the date of my flight from Tri-Cities Airport (PSC) to Changi Airport (SIN)?
If you reserved your PSC to SIN flight within the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you want more information.

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*Available to One Key members.