HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Singapore

$406+ 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 1/21. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SIN
ene. 11 — ene. 181
dom. 1/11
dom. 1/18
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 May or September, booked 16 days in advance, depart on a Tuesday or Sunday and return on a Wednesday

Cheap 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 diciembre 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/1211:47 amDEN - SIN
1 stop29h 13mUnited Airlines
lun. 12/1510:20 pmSIN - DEN
2 stops25h 35mUnited Airlines
Deal found 12/11$1,379
This United Airlines deal was found by Cheapflights users on 12/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/911:59 pmDEN - SIN
2 stops39h 56mUnited Airlines
sáb. 12/2010:10 amSIN - DEN
1 stop21h 32mUnited Airlines
Deal found 12/10$1,384
This United Airlines deal was found by Cheapflights users on 12/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/229:11 pmDEN - SIN
1 stop32h 04mUnited Airlines
mar. 12/3010:20 pmSIN - DEN
1 stop26h 50mUnited Airlines
Deal found 12/10$1,605
This United Airlines deal was found by Cheapflights users on 12/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/167:45 amDEN - SIN
2 stops32h 10mUnited Airlines
mar. 1/610:20 pmSIN - DEN
1 stop29h 03mUnited Airlines
Deal found 12/10$1,829
This Mytrip deal was found by Cheapflights users on 12/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/1211:25 amDEN - SIN
1 stop22h 30mMultiple Airlines
lun. 12/1511:40 amSIN - DEN
1 stop44h 55mMultiple Airlines
Deal found 12/11$1,857
This United Airlines deal was found by Cheapflights users on 12/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/252:06 pmDEN - SIN
1 stop26h 54mUnited Airlines
mié. 1/710:10 amSIN - DEN
1 stop38h 55mUnited Airlines
Deal found 12/11$1,932
This FlightHub deal was found by Cheapflights users on 12/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/258:45 amDEN - SIN
1 stop31h 15mAir Canada
mié. 1/79:00 pmSIN - DEN
2 stops35h 44mAir Canada
Deal found 12/11$1,976
This oojo deal was found by Cheapflights users on 12/10. 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.
jue. 12/2512:12 pmDEN - SIN
2 stops34h 13mSTARLUX Airlines
mié. 1/72:45 pmSIN - DEN
2 stops23h 50mSTARLUX Airlines
Deal found 12/10$2,004

Find 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 diciembre 12, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$739
(Korean Air)

One-way from

$406
(Kiwi.com)

Popular in

December

Cheapest in

May

Average price

$1,724
Provider with most accurate pricing for Denver Intl-Singapore Changi flight deals.
Search Deals
Provider most trusted by Cheapflights users for Denver Intl-Singapore Changi flights.
Search Deals
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. 8% potential increase in price ($110 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($50 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 diciembre 12, 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

mar. 2/24

6:40 am-5:00 am

2 stops31h 20m

Singapore Changi

jue. 3/5

10:40 am-11:25 pm

2 stops27h 45m

$753

DenverSingapore

DEN - SIN

DENSIN

Denver Intl

dom. 2/22

6:40 am-12:10 am

2 stops26h 30m

Singapore Changi

mar. 3/3

10:40 am-11:25 pm

2 stops27h 45m

$753

DenverSingapore

DEN - SIN

DENSIN

Denver Intl

mié. 2/25

6:40 am-12:10 am

2 stops26h 30m

Singapore Changi

mar. 3/3

10:40 am-11:25 pm

2 stops27h 45m

$753

DenverSingapore

DEN - SIN

DENSIN

Denver Intl

dom. 2/22

6:40 am-12:10 am

2 stops26h 30m

Singapore Changi

vie. 3/6

10:40 am-8:14 pm

2 stops24h 34m

$753

DenverSingapore

DEN - SIN

DENSIN

Denver Intl

mar. 2/24

6:40 am-5:00 am

2 stops31h 20m

Singapore Changi

vie. 3/6

10:40 am-10:27 pm

2 stops26h 47m

$753

DenverSingapore

DEN - SIN

DENSIN

Denver Intl

vie. 2/27

6:40 am-12:10 am

2 stops26h 30m

Singapore Changi

dom. 3/15

10:30 pm-6:00 pm

2 stops33h 30m

$759

DenverSingapore

DEN - SIN

DENSIN

Denver Intl

mar. 3/10

6:35 am-12:10 am

2 stops27h 35m

Singapore Changi

mar. 3/17

1:35 am-5:29 pm

2 stops29h 54m

$759

DenverSingapore

DEN - SIN

DENSIN

Denver Intl

dom. 4/5

6:09 pm-7:55 pm

2 stops35h 46m

Singapore Changi

vie. 4/17

1:10 am-10:58 pm

2 stops35h 48m

$759

DenverSingapore

DEN - SIN

DENSIN

Denver Intl

lun. 1/26

6:29 am-12:10 am

2 stops26h 41m

Singapore Changi

mié. 1/28

1:35 am-5:34 pm

2 stops30h 59m

$759

DenverSingapore

DEN - SIN

DENSIN

Denver Intl

lun. 4/20

6:45 am-11:40 pm

2 stops26h 55m

Singapore Changi

lun. 4/27

7:30 am-5:40 pm

2 stops24h 10m

$759

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 20 results
1
2

Compare providers for flights from Denver to Singapore

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Denver to Singapore in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Denver-Singapore flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Denver-Singapore flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Denver-Singapore flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Denver-Singapore flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Denver-Singapore flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 December 5, 2025.

The best time to book flights from Denver to Singapore is 16 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, December is the cheapest month in which you can book a flight from Denver to Singapore (average of $715). Flying from Denver to Singapore in April is currently the most expensive (average of $1,020). 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 diciembre 12, 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 22% 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 diciembre 12, 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
1,021 reviews

Overall

8.4

Boarding

8.6

Comfort

8.2

Entertainment

7.9

Food

7.7

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Julie,Sep 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.
ANA
8.4
Very good
1,021 reviews
ANA
8.4
Very good
1,021 reviews

Overall

8.4

Boarding

8.6

Comfort

8.2

Entertainment

7.9

Food

7.7

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Julie,Sep 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.
Singapore Airlines
8.1
Very good
1,412 reviews
ANA
8.4
Very good
1,021 reviews

Overall

8.4

Boarding

8.6

Comfort

8.2

Entertainment

7.9

Food

7.7

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Julie,Sep 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.
United Airlines
7.4
Good
9,094 reviews
ANA
8.4
Very good
1,021 reviews

Overall

8.4

Boarding

8.6

Comfort

8.2

Entertainment

7.9

Food

7.7

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Julie,Sep 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.
Turkish Airlines
7.3
Good
4,090 reviews
ANA
8.4
Very good
1,021 reviews

Overall

8.4

Boarding

8.6

Comfort

8.2

Entertainment

7.9

Food

7.7

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Julie,Sep 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.
Air Canada
7.1
Good
10,517 reviews
ANA
8.4
Very good
1,021 reviews

Overall

8.4

Boarding

8.6

Comfort

8.2

Entertainment

7.9

Food

7.7

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Julie,Sep 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.

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?

    Delta can get you from Denver to Singapore in just under 31h 20m. Your travel time can differ by up to . There are 9056 mi between Denver and Singapore.

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

    Turkish Airlines, at $797, was found to be the cheapest airline from Denver to Singapore.Alternate airlines to your destination round-trip include Air Canada and ANA. You may be able to fly from Denver to Singapore for 32% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Denver to Singapore one-way?

    The cheapest airline one-way is China Eastern, with whom users have recently found tickets for as low as $473. However, be on the lookout for offers from ANA and Air Canada, as they are both options that can get you from Denver to Singapore for a low price.

  • 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, December is the cheapest month in which you can book a flight from Denver to Singapore (average of $715). Flying from Denver to Singapore in April is currently the most expensive (average of $1,020). 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 5 airlines flying from Denver to Singapore

Discover the top 5 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 diciembre 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$797Average$932FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$860Average$1,000FlexibilityNo cancel feeOn-time67%
ANACheapest$958Average$1,258FlexibilityNo cancel feeOn-time80%
United AirlinesCheapest$1,063Average$1,267FlexibilityNo cancel feeOn-time69%
Singapore AirlinesCheapest$1,153Average$1,500FlexibilityNo 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.