HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Singapore

$381+ Cheap flights from Denver (DEN) to Singapore (SIN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/1. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SIN
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Denver to Singapore with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Denver Intl to Singapore Changi are usually found in September or May, booked 4 days in advance, depart on a Tuesday or Sunday and return on a Wednesday

Cheap flight deals from Denver to Singapore

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Singapore (SIN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Round-trip from

$866
(Air Canada)

One-way from

$381
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$998
From Denver Intl to Singapore Changi
Search Deals
One-way flight from Denver Intl to Singapore Changi
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($174 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($49 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Denver to Singapore

Cheapest flights from Denver to Singapore
Explore the most affordable flight options available from Denver to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Air Canada deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/127:05 pmDEN - SIN
1 stop22h 00mAir Canada
Sat 9/209:10 amSIN - DEN
2 stops22h 53mAir Canada
Deal found 9/11$866
This Air Canada deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/57:05 pmDEN - SIN
1 stop20h 55mAir Canada
Thu 12/259:00 pmSIN - DEN
2 stops30h 37mAir Canada
Deal found 9/10$868
This Gurufare deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/276:15 amDEN - SIN
2 stops33h 10mChina Eastern
Tue 11/1112:25 amSIN - DEN
2 stops33h 08mChina Eastern
Deal found 9/9$870
This Air Canada deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/277:05 pmDEN - SIN
2 stops29h 45mAir Canada
Wed 11/128:30 amSIN - DEN
2 stops24h 14mAir Canada
Deal found 9/9$875
This FlightHub deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/229:23 pmDEN - SIN
2 stops42h 37mAir Canada
Thu 11/278:50 amSIN - DEN
2 stops38h 48mAir Canada
Deal found 9/10$895
This Justfly.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/117:05 pmDEN - SIN
1 stop22h 00mAir Canada
Thu 9/259:10 amSIN - DEN
1 stop21h 23mAir Canada
Deal found 9/11$903
This FlightHub deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1211:22 amDEN - SIN
2 stops29h 43mAir Canada
Sun 9/289:10 amSIN - DEN
2 stops27h 00mAir Canada
Deal found 9/10$913
This FlightHub deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/229:05 pmDEN - SIN
2 stops42h 55mAir Canada
Fri 11/288:50 amSIN - DEN
1 stop18h 33mAir Canada
Deal found 9/10$920
This oojo deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/258:20 pmDEN - SIN
1 stop31h 15mTurkish Airlines
Sat 11/15:25 amSIN - DEN
1 stop27h 10mTurkish Airlines
Deal found 9/10$925
This Cheapflightsfares deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/711:42 amDEN - SIN
2 stops28h 58mANA
Mon 10/2011:05 amSIN - DEN
2 stops25h 31mANA
Deal found 9/10$929
This Gurufare deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/146:15 amDEN - SIN
2 stops33h 10mChina Eastern
Thu 10/3012:25 amSIN - DEN
2 stops31h 59mChina Eastern
Deal found 9/10$930

Cheapflights Fare Finder

 
Customize your flight search to find flights from Denver to Singapore that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from Denver to Singapore that are best for you.

Fly from

Denver

Fly to

Singapore

Route

Depart

Return

Price

DenverSingapore

DEN - SIN

DENSIN

Denver Intl

Sun 11/23

7:05 pm-7:00 am

1 stop20h 55m

Singapore Changi

Sun 11/30

8:50 am-12:37 pm

1 stop18h 47m

$866

DenverSingapore

DEN - SIN

DENSIN

Denver Intl

Thu 3/5

7:20 pm-5:35 pm

1 stop31h 15m

Singapore Changi

Mon 3/9

11:40 am-6:35 pm

1 stop44h 55m

$983

DenverSingapore

DEN - SIN

DENSIN

Denver Intl

Mon 10/6

5:52 pm-6:15 am

1 stop22h 23m

Singapore Changi

Tue 10/21

8:45 am-6:13 pm

1 stop23h 28m

$1,025

DenverSingapore

DEN - SIN

DENSIN

Denver Intl

Tue 10/7

8:00 am-6:25 pm

1 stop20h 25m

Singapore Changi

Mon 10/20

8:45 am-6:13 pm

1 stop23h 28m

$1,025

DenverSingapore

DEN - SIN

DENSIN

Denver Intl

Wed 2/25

6:00 am-8:15 pm

1 stop23h 15m

Singapore Changi

Wed 3/25

10:20 pm-8:50 am

1 stop24h 30m

$1,025

DenverSingapore

DEN - SIN

DENSIN

Denver Intl

Thu 3/5

6:00 am-8:15 pm

1 stop23h 15m

Singapore Changi

Mon 3/9

10:10 am-11:35 pm

2 stops27h 25m

$1,029

DenverSingapore

DEN - SIN

DENSIN

Denver Intl

Wed 10/1

5:55 pm-6:15 am

2 stops22h 20m

Singapore Changi

Tue 10/7

8:40 pm-10:15 am

1 stop27h 35m

$1,029

DenverSingapore

DEN - SIN

DENSIN

Denver Intl

Sat 11/1

10:55 pm-11:40 pm

2 stops34h 45m

$381

DenverSingapore

DEN - SIN

DENSIN

Denver Intl

Tue 2/17

7:00 am-1:00 pm

2 stops39h 00m

$390

DenverSingapore

DEN - SIN

DENSIN

Denver Intl

Sat 10/18

10:29 pm-9:25 am

3 stops44h 56m

$419

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 16 results
1
2

Best time to book a flight from Denver to Singapore

Have a flexible travel schedule? Discover the best time to fly to Singapore from Denver with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Denver to Singapore

How far ahead should I book a flight from Denver to Singapore?

Use this chart to determine the optimal time to book a round-trip flight from Denver to Singapore. Price data was last updated on August 29, 2025.

The best time to book flights from Denver to Singapore is 4 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Denver to Singapore?

Currently, October is the cheapest month in which you can book a flight from Denver to Singapore (average of $1,002). Flying from Denver to Singapore in December is currently the most expensive (average of $1,665). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DEN to SIN?

Find hourly flight availability from Denver to Singapore. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

One of the essential ways to save on airfare from Denver to Singapore is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 23% on airfare.

Reviews of airlines servicing Singapore

Get insights into the airlines that provide service to Singapore. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Singapore. Reviews last updated September 11, 2025.
Peruse reviews from past customers who have flown with ANA, Singapore Airlines, and United Airlines from Denver to Singapore to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
ANA
8.4
Very good
961 reviews

Entertainment

7.9

Food

7.7

Overall

8.4

Comfort

8.2

Boarding

8.6

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

SFO - NRT

ANA ground and flight crew are the best their is They are now officially my Airline of choice Crew are very attentive, friendly, sincere, helpful and respond to queries accurately, promptly and gives you the peace of mind when travelling Salute to the World’s Best Airline for me
ANA
8.4
Very good
961 reviews
ANA
8.4
Very good
961 reviews

Entertainment

7.9

Food

7.7

Overall

8.4

Comfort

8.2

Boarding

8.6

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

SFO - NRT

ANA ground and flight crew are the best their is They are now officially my Airline of choice Crew are very attentive, friendly, sincere, helpful and respond to queries accurately, promptly and gives you the peace of mind when travelling Salute to the World’s Best Airline for me
Singapore Airlines
8.1
Very good
1,365 reviews
ANA
8.4
Very good
961 reviews

Entertainment

7.9

Food

7.7

Overall

8.4

Comfort

8.2

Boarding

8.6

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

SFO - NRT

ANA ground and flight crew are the best their is They are now officially my Airline of choice Crew are very attentive, friendly, sincere, helpful and respond to queries accurately, promptly and gives you the peace of mind when travelling Salute to the World’s Best Airline for me
United Airlines
7.4
Good
8,937 reviews
ANA
8.4
Very good
961 reviews

Entertainment

7.9

Food

7.7

Overall

8.4

Comfort

8.2

Boarding

8.6

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

SFO - NRT

ANA ground and flight crew are the best their is They are now officially my Airline of choice Crew are very attentive, friendly, sincere, helpful and respond to queries accurately, promptly and gives you the peace of mind when travelling Salute to the World’s Best Airline for me
Turkish Airlines
7.3
Good
3,968 reviews
ANA
8.4
Very good
961 reviews

Entertainment

7.9

Food

7.7

Overall

8.4

Comfort

8.2

Boarding

8.6

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

SFO - NRT

ANA ground and flight crew are the best their is They are now officially my Airline of choice Crew are very attentive, friendly, sincere, helpful and respond to queries accurately, promptly and gives you the peace of mind when travelling Salute to the World’s Best Airline for me
Air Canada
7.1
Good
10,000 reviews
ANA
8.4
Very good
961 reviews

Entertainment

7.9

Food

7.7

Overall

8.4

Comfort

8.2

Boarding

8.6

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

SFO - NRT

ANA ground and flight crew are the best their is They are now officially my Airline of choice Crew are very attentive, friendly, sincere, helpful and respond to queries accurately, promptly and gives you the peace of mind when travelling Salute to the World’s Best Airline for me

Related info for your journey

Find useful and relevant information for your journey from Denver to Singapore. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Denver to Singapore?

    Air Canada, Turkish Airlines, and United Airlines can get you from Denver to Singapore in just under 20h 55m. Your travel time can differ by up to 10h 20m. There are 9056 mi between Denver and Singapore. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Denver to Singapore round-trip?

    China Eastern, at $761, was found to be the cheapest airline from Denver to Singapore.Alternate airlines to your destination round-trip include Turkish Airlines and Air Canada. You may be able to fly from Denver to Singapore for 39% less than the average price by searching for these airlines.

  • Can I find deals for flights from Denver to Singapore that include hotel bookings?

    Yes. In addition to deals on Denver to Singapore flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Denver to Singapore?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Denver to Singapore.

  • Can I find deals for business class flights from Denver to Singapore?

    Yes. Cheapflights offers flight deals from Denver to Singapore by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Denver to Singapore?

    Currently, October is the cheapest month in which you can book a flight from Denver to Singapore (average of $1,002). Flying from Denver to Singapore in December is currently the most expensive (average of $1,665). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Denver to Singapore

See prices for flight routes from nearby airports that may be better suited for you.
Colorado Springs to Singapore flights
Montrose to Singapore flights

Top 6 airlines flying from Denver to Singapore

Discover the top 6 airlines that operate flights from Denver to Singapore. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest$761Average$942FlexibilityNo cancel feeOn-time62%
Turkish AirlinesCheapest$797Average$951FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$861Average$1,044FlexibilityNo cancel feeOn-time67%
ANACheapest$1,005Average$1,387FlexibilityNo cancel feeOn-time80%
United AirlinesCheapest$1,091Average$1,347FlexibilityNo cancel feeOn-time69%
Singapore AirlinesCheapest$1,158Average$1,528FlexibilityNo cancel feeOn-time81%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.