$497 Cheap Flights from Pasco (PSC) to Singapore (SIN)

View $497 flight on Thu, Mar 25, 2027Opens 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 $497 for one-way flights and $1,210 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sun, Sep 13 - Sat, Sep 26
PSC
Pasco
SIN
Singapore
$1,210 Roundtrip, found 6 days ago
$1,210
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sun, Sep 13 from Pasco to Singapore, returning Sat, Sep 26, priced at $1,210 found 6 days ago
Alaska Airlines
Fri, Sep 25 - Fri, Oct 2
PSC
Pasco
SIN
Singapore
$1,215 Roundtrip, found 5 days ago
$1,215
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Fri, Sep 25 from Pasco to Singapore, returning Fri, Oct 2, priced at $1,215 found 5 days ago
Qatar Airways
Fri, Sep 25 - Fri, Oct 2
PSC
Pasco
SIN
Singapore
$1,226 Roundtrip, found 5 days ago
$1,226
Roundtrip
found 5 days ago
Select Qatar Airways flight, departing Fri, Sep 25 from Pasco to Singapore, returning Fri, Oct 2, priced at $1,226 found 5 days ago
Alaska Airlines
Sun, Sep 13 - Sat, Sep 26
PSC
Pasco
SIN
Singapore
$1,241 Roundtrip, found 6 days ago
$1,241
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sun, Sep 13 from Pasco to Singapore, returning Sat, Sep 26, priced at $1,241 found 6 days ago
Qatar Airways
Mon, Jul 13 - Mon, Jul 20
PSC
Pasco
SIN
Singapore
$1,277 Roundtrip, found 6 days ago
$1,277
Roundtrip
found 6 days ago
Select Qatar Airways flight, departing Mon, Jul 13 from Pasco to Singapore, returning Mon, Jul 20, priced at $1,277 found 6 days ago
Qatar Airways
Mon, Jul 13 - Mon, Jul 20
PSC
Pasco
SIN
Singapore
$1,288 Roundtrip, found 6 days ago
$1,288
Roundtrip
found 6 days ago
Select Qatar Airways flight, departing Mon, Jul 13 from Pasco to Singapore, returning Mon, Jul 20, priced at $1,288 found 6 days ago
Alaska Airlines
Fri, Sep 25 - Fri, Oct 2
PSC
Pasco
SIN
Singapore
$1,303 Roundtrip, found 5 days ago
$1,303
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Fri, Sep 25 from Pasco to Singapore, returning Fri, Oct 2, priced at $1,303 found 5 days ago
Korean Air
Thu, Mar 11 - Thu, Mar 18
PSC
Pasco
SIN
Singapore
$1,861 Roundtrip, found 3 days ago
$1,861
Roundtrip
found 3 days ago
Select Korean Air flight, departing Thu, Mar 11 from Pasco to Singapore, returning Thu, Mar 18, priced at $1,861 found 3 days ago
Japan Airlines
Thu, Mar 11 - Thu, Mar 18
PSC
Pasco
SIN
Singapore
$1,867 Roundtrip, found 3 days ago
$1,867
Roundtrip
found 3 days ago
Select Japan Airlines flight, departing Thu, Mar 11 from Pasco to Singapore, returning Thu, Mar 18, priced at $1,867 found 3 days ago
KLM
Fri, Sep 25 - Fri, Oct 2
PSC
Pasco
SIN
Singapore
$1,962 Roundtrip, found 5 days ago
$1,962
Roundtrip
found 5 days ago
Select KLM flight, departing Fri, Sep 25 from Pasco to Singapore, returning Fri, Oct 2, priced at $1,962 found 5 days ago

Frequently asked questions

How much does a flight from Pasco, WA (PSC-Tri-Cities) to Singapore (SIN-Changi) cost?
You can find cheap one-way flights from $497 and cheap return flights from $1,210 Pasco, WA (PSC-Tri-Cities) to Singapore (SIN-Changi) with Expedia. Return flights typically cost between $1225 and $6530. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Pasco, WA (PSC-Tri-Cities) to Singapore (SIN-Changi) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Pasco, WA (PSC-Tri-Cities) to Singapore (SIN-Changi)?
The cheapest month to fly from PSC to SIN is September when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Pasco, WA (PSC-Tri-Cities) to Singapore (SIN-Changi)?
Enter PSC to SIN and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Pasco, WA (PSC-Tri-Cities) to Singapore (SIN-Changi)?
Air France is one of the cheapest airlines offering connecting flights from Pasco, WA (PSC) to Singapore (SIN), with round-trip tickets starting from around $1,531. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Pasco, WA (PSC-Tri-Cities) to Singapore (SIN-Changi)?
To find a cheap flight from Pasco, WA (PSC-Tri-Cities) to Singapore (SIN-Changi), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Pasco, WA (PSC-Tri-Cities) to Singapore (SIN-Changi)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Pasco, WA (PSC-Tri-Cities) to Singapore (SIN-Changi)?
The earliest flight from Tri-Cities Airport (PSC) to Changi Airport (SIN) typically departs at around 5:20 AM, operated by Delta and Air France. This seasonal service is available in May, giving you an early start to your journey to Singapore. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Pasco, WA (PSC-Tri-Cities) to Singapore (SIN-Changi)?
a Thursday typically has the most flights from Tri-Cities (PSC) to Changi (SIN), with approximately 25 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include Alaska Airlines, Delta, and United.
What are the most popular departure times for flights from Pasco, WA (PSC-Tri-Cities) to Singapore (SIN-Changi)?
The most popular departure times for flights from Pasco, WA (PSC-Tri-Cities) to Singapore (SIN-Changi) are from 6am to 9am. This accounts for around 42% of total traffic. Many major carriers, including United Airlines and All Nippon Airways, offer flights during this window. Many travelers prefer this time because it allows for an early start to the day and maximizes time at the destination.
How long does it take to fly from Pasco, WA (PSC-Tri-Cities) to Singapore (SIN-Changi)?
A flight from PSC to SIN with a layover takes around 22 hours 20 minutes, with the route covering approximately 8,235 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Pasco, WA (PSC-Tri-Cities) to Singapore (SIN-Changi)?
Select the "Business class" and "First class" filters when looking for PSC to SIN flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Pasco, WA (PSC-Tri-Cities) to Singapore (SIN-Changi) flight with Expedia?
It's easy to earn miles on a Pasco, WA (PSC-Tri-Cities) to Singapore (SIN-Changi) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Singapore from Tri-Cities (PSC)?
If you're planning to travel to Singapore from Tri-Cities (PSC), you can fly into Changi (SIN) Some flights may connect through major hubs like Seattle - Tacoma Intl. (SEA), San Francisco Intl. (SFO), Denver Intl. (DEN) before reaching Singapore. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Pasco, WA (PSC-Tri-Cities) to Singapore (SIN-Changi) at the last minute?
Typically, booking a last minute flight from Pasco, WA (PSC-Tri-Cities) to Singapore (SIN-Changi) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Pasco, WA (PSC-Tri-Cities) to Singapore (SIN-Changi) flight and hotel package?
Securing a Pasco, WA (PSC-Tri-Cities) to Singapore (SIN-Changi) Singapore Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Pasco, WA (PSC-Tri-Cities) to Singapore (SIN-Changi)?
If you booked your Pasco, WA (PSC-Tri-Cities) to Singapore (SIN-Changi) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Tri-Cities
Destination airport
Changi
Airlines serving
Air France, British Airways, Delta, KLM, Korean Air, Qatar Airways, United
Roundtrip price
$1,210
Distance
8234 mi

Book with confidence

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 September. 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 2026. You can also book with separate airlines for your outbound and return journeys, from $497 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.

 

Pasco to Singapore Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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