$526 Cheap Flights from Singapore (SIN) to Denver (DEN)

View $526 flight on Tue, Mar 17, 2026Opens in a new window

Popular airlines from Singapore Changi Airport (SIN) to Denver Intl. Airport (DEN)

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Cheap Flights from Singapore to Denver (SIN-DEN)

Prices were available within the past 7 days and start at $526 for one-way flights and $963 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Wed, Mar 18 - Sun, Apr 5
SIN
Singapore
DEN
Denver
$963 Roundtrip, found 6 days ago
$963
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Wed, Mar 18 from Singapore to Denver, returning Sun, Apr 5, priced at $963 found 6 days ago
Lufthansa
Tue, Apr 28 - Fri, May 1
SIN
Singapore
DEN
Denver
$966 Roundtrip, found 1 day ago
$966
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Tue, Apr 28 from Singapore to Denver, returning Fri, May 1, priced at $966 found 1 day ago
United
Fri, Mar 6 - Sat, Mar 7
SIN
Singapore
DEN
Denver
$1,003 Roundtrip, found 5 days ago
$1,003
Roundtrip
found 5 days ago
Select United flight, departing Fri, Mar 6 from Singapore to Denver, returning Sat, Mar 7, priced at $1,003 found 5 days ago
STARLUX Airlines
Tue, Jun 9 - Wed, Jul 29
SIN
Singapore
DEN
Denver
$1,029 Roundtrip, found 9 hours ago
$1,029
Roundtrip
found 9 hours ago
Select STARLUX Airlines flight, departing Tue, Jun 9 from Singapore to Denver, returning Wed, Jul 29, priced at $1,029 found 9 hours ago
Swiss International Air Lines
Wed, May 20 - Fri, May 29
SIN
Singapore
DEN
Denver
$1,057 Roundtrip, found 1 day ago
$1,057
Roundtrip
found 1 day ago
Select Swiss International Air Lines flight, departing Wed, May 20 from Singapore to Denver, returning Fri, May 29, priced at $1,057 found 1 day ago
Korean Air
Tue, Apr 28 - Fri, May 1
SIN
Singapore
DEN
Denver
$1,203 Roundtrip, found 1 day ago
$1,203
Roundtrip
found 1 day ago
Select Korean Air flight, departing Tue, Apr 28 from Singapore to Denver, returning Fri, May 1, priced at $1,203 found 1 day ago
Japan Airlines
Wed, May 20 - Tue, Jun 2
SIN
Singapore
DEN
Denver
$1,207 Roundtrip, found 4 days ago
$1,207
Roundtrip
found 4 days ago
Select Japan Airlines flight, departing Wed, May 20 from Singapore to Denver, returning Tue, Jun 2, priced at $1,207 found 4 days ago
Turkish Airlines
Wed, Mar 18 - Sun, Apr 5
SIN
Singapore
DEN
Denver
$1,271 Roundtrip, found 6 days ago
$1,271
Roundtrip
found 6 days ago
Select Turkish Airlines flight, departing Wed, Mar 18 from Singapore to Denver, returning Sun, Apr 5, priced at $1,271 found 6 days ago
Qatar Airways
Wed, Mar 18 - Sun, Apr 5
SIN
Singapore
DEN
Denver
$1,394 Roundtrip, found 6 days ago
$1,394
Roundtrip
found 6 days ago
Select Qatar Airways flight, departing Wed, Mar 18 from Singapore to Denver, returning Sun, Apr 5, priced at $1,394 found 6 days ago
All Nippon Airways
Thu, Jul 23 - Wed, Sep 2
SIN
Singapore
DEN
Denver
$1,454 Roundtrip, found 2 days ago
$1,454
Roundtrip
found 2 days ago
Select All Nippon Airways flight, departing Thu, Jul 23 from Singapore to Denver, returning Wed, Sep 2, priced at $1,454 found 2 days ago

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Frequently asked questions

How much does a flight from Singapore (SIN-Changi) to Denver, CO (DEN-Denver Intl.) cost?
You can find cheap one-way flights from $526 and cheap return flights from $963 Singapore (SIN-Changi) to Denver, CO (DEN-Denver Intl.) with Expedia. One-way flights usually range from $556 to $5317, and return flights typically cost between $1220 and $7031. 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 Singapore (SIN-Changi) to Denver, CO (DEN-Denver Intl.) 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 Singapore (SIN-Changi) to Denver, CO (DEN-Denver Intl.)?
The cheapest month to fly from SIN to DEN is March 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 Singapore (SIN-Changi) to Denver, CO (DEN-Denver Intl.)?
Enter SIN to DEN and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Singapore (SIN-Changi) to Denver, CO (DEN-Denver Intl.)?
Starlux Airlines is one of the cheapest airlines offering connecting flights from Singapore (SIN) to Denver, CO (DEN), with round-trip tickets starting from around $1,114 with a layover in Taoyuan Intl. (TPE). 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 Singapore (SIN-Changi) to Denver, CO (DEN-Denver Intl.)?
To find a cheap flight from Singapore (SIN-Changi) to Denver, CO (DEN-Denver Intl.), 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 Singapore (SIN-Changi) to Denver, CO (DEN-Denver Intl.)?
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 Singapore (SIN-Changi) to Denver, CO (DEN-Denver Intl.)?
The earliest flight from Changi Airport (SIN) to Denver International Airport (DEN) usually departs at around 12:05 AM local time, operated by Swiss International Air Lines, Air Dolomiti, and United. This seasonal service is active in December, giving you a head start on your travels to Denver. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Singapore (SIN-Changi) to Denver, CO (DEN-Denver Intl.)?
The most popular departure times for flights from Singapore (SIN) to Denver, CO (DEN) are in the early morning, from 6am to 9am. About 27% of passengers prefer this time window. Many major carriers, including Air Canada and United Airlines, offer flights during this window. This timing is popular because it allows travelers to arrive in Denver in the afternoon, ready to explore the city.
How long does it take to fly from Singapore (SIN-Changi) to Denver, CO (DEN-Denver Intl.)?
A flight from SIN to DEN with a layover takes around 19 hours 30 minutes, with the route covering approximately 9,064 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 Singapore (SIN-Changi) to Denver, CO (DEN-Denver Intl.)?
Business class seats are offered on the SIN to DEN route. Airlines that offer business class service on this route include:

  • Air Canada
  • Lufthansa
  • Singapore Airlines
  • Qatar Airways
  • Japan Airlines
  • All Nippon Airways
  • Finnair
  • Turkish Airlines
  • Korean Air
  • Emirates

First class cabins are available on:

  • Singapore Airlines
  • Swiss International Air Lines
  • Japan Airlines
  • Emirates
  • British Airways
  • Lufthansa

How do I earn miles on a Singapore (SIN-Changi) to Denver, CO (DEN-Denver Intl.) flight with Expedia?
It's easy to earn miles on a Singapore (SIN-Changi) to Denver, CO (DEN-Denver Intl.) 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 Denver from Changi (SIN)?
If you're planning to travel to Denver from Changi (SIN), you can fly into Denver Intl. (DEN) Some flights may connect through major hubs like Narita Intl. (NRT), Incheon Intl. (ICN), Hong Kong Intl. (HKG) before reaching Denver. 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 Singapore (SIN-Changi) to Denver, CO (DEN-Denver Intl.) at the last minute?
Typically, booking a last minute flight from Singapore (SIN-Changi) to Denver, CO (DEN-Denver Intl.) 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 Singapore (SIN-Changi) to Denver, CO (DEN-Denver Intl.) flight and hotel package?
Securing a Singapore (SIN-Changi) to Denver, CO (DEN-Denver Intl.) Denver 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 Singapore (SIN-Changi) to Denver, CO (DEN-Denver Intl.)?
If you booked your Singapore (SIN-Changi) to Denver, CO (DEN-Denver Intl.) 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
Changi
Destination airport
Denver Intl.
Airlines serving
Air Canada, All Nippon Airways, American Airlines, Asiana Airlines, British Airways, Cathay Pacific, Delta, Etihad Airways, Finnair, Japan Airlines, KLM, Korean Air, Lufthansa, Qatar Airways, STARLUX Airlines, Singapore Airlines, Swiss International Air Lines, Turkish Airlines, United
Roundtrip price
$963
Distance
9062 mi

Book with confidence

Singapore to Denver Flights

The cheapest times to fly from Singapore to Denver

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

 

The best time to book a flight from Singapore to Denver

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

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 Denver in 2026. You can also book with separate airlines for your outbound and return journeys, from $526 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 Denver 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 Denver 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.

 

Singapore to Denver Flights

*Flight schedules are subject to change.

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*Available to One Key members.