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$478+ 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 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SIN
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Denver Intl to Singapore Changi are usually found in September or February, 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 June 12, 2025.

Round-trip from

$853
(Air Canada)

One-way from

$478
(Air Canada)

Popular in

August

Cheapest in

September

Average price

$1,331
From Denver Intl to Singapore Changi
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One-way flight from Denver Intl to Singapore Changi
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Highest demand for flights based on searches. 8% potential increase in price ($128 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($53 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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 June 12, 2025.

This Air Canada deal was found by Cheapflights users on 6/11. 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 9/1211:24 amDEN - SIN
2 stops29h 41mAir Canada
Sat 9/209:10 amSIN - DEN
2 stops24h 25mAir Canada
Deal found 6/11$853
This FlightHub deal was found by Cheapflights users on 6/11. 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.
Tue 10/147:50 pmDEN - SIN
1 stop32h 05mTurkish Airlines
Fri 10/3111:25 pmSIN - DEN
1 stop33h 10mTurkish Airlines
Deal found 6/11$924
This Cheapflightsfares deal was found by Cheapflights users on 6/12. 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.
Mon 8/188:02 amDEN - SIN
2 stops26h 43mANA
Sat 8/236:15 amSIN - DEN
2 stops27h 25mANA
Deal found 6/12$935
This FlightHub deal was found by Cheapflights users on 6/12. 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 7/116:15 amDEN - SIN
2 stops33h 10mChina Eastern
Fri 7/1811:10 pmSIN - DEN
2 stops33h 07mChina Eastern
Deal found 6/12$957
This Air Canada deal was found by Cheapflights users on 6/11. 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 9/267:52 amDEN - SIN
2 stops26h 58mMultiple Airlines
Sat 10/119:10 amSIN - DEN
1 stop19h 43mMultiple Airlines
Deal found 6/11$977
This FlightHub deal was found by Cheapflights users on 6/11. 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.
Tue 10/146:15 amDEN - SIN
2 stops32h 45mKorean Air
Sun 10/267:30 amSIN - DEN
2 stops29h 54mKorean Air
Deal found 6/11$1,010
This FlightHub deal was found by Cheapflights users on 6/9. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/306:00 amDEN - SIN
2 stops28h 20mJapan Airlines
Mon 10/61:55 amSIN - DEN
2 stops29h 17mJapan Airlines
Deal found 6/9$1,033
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/215:30 amDEN - SIN
2 stops28h 10mDelta
Mon 8/187:30 amSIN - DEN
2 stops26h 15mDelta
Deal found 6/10$1,047
This FlightHub deal was found by Cheapflights users on 6/10. 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.
Tue 8/195:55 pmDEN - SIN
1 stop23h 55mSingapore Airlines
Tue 8/268:45 pmSIN - DEN
1 stop36h 55mSingapore Airlines
Deal found 6/10$1,062
This oojo deal was found by Cheapflights users on 6/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/269:23 pmDEN - SIN
2 stops37h 12mChina Airlines
Sat 9/202:00 amSIN - DEN
2 stops56h 27mChina Airlines
Deal found 6/11$1,094
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Wed 10/88:00 amDEN - SIN
1 stop20h 25mUnited Airlines
Mon 11/310:10 amSIN - DEN
2 stops21h 17mUnited Airlines
Deal found 6/11$1,117
This oojo deal was found by Cheapflights users on 6/10. 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.
Mon 8/189:41 amDEN - SIN
2 stops29h 49mCathay Pacific
Fri 8/221:50 amSIN - DEN
2 stops34h 25mCathay Pacific
Deal found 6/10$1,244

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 June 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

Fri 9/12

4:19 pm-7:05 am

1 stop24h 46m

Singapore Changi

Sat 9/20

9:10 am-7:35 pm

2 stops24h 25m

$853

DenverSingapore

DEN - SIN

DENSIN

Denver Intl

Tue 10/14

7:50 pm-5:55 pm

1 stop32h 05m

Singapore Changi

Fri 10/31

11:25 pm-6:35 pm

1 stop33h 10m

$924

DenverSingapore

DEN - SIN

DENSIN

Denver Intl

Mon 8/18

8:02 am-12:45 am

2 stops26h 43m

Singapore Changi

Sat 8/23

6:15 am-7:40 pm

2 stops27h 25m

$935

DenverSingapore

DEN - SIN

DENSIN

Denver Intl

Fri 7/11

6:15 am-5:25 am

2 stops33h 10m

Singapore Changi

Fri 7/18

11:10 pm-6:17 pm

2 stops33h 07m

$957

DenverSingapore

DEN - SIN

DENSIN

Denver Intl

Fri 9/26

7:52 am-12:50 am

2 stops26h 58m

Singapore Changi

Sat 10/11

9:10 am-4:33 pm

1 stop21h 23m

$977

DenverSingapore

DEN - SIN

DENSIN

Denver Intl

Tue 10/14

6:15 am-5:00 am

2 stops32h 45m

Singapore Changi

Sun 10/26

7:30 am-11:24 pm

2 stops29h 54m

$1,010

DenverSingapore

DEN - SIN

DENSIN

Denver Intl

Tue 9/30

6:00 am-12:20 am

2 stops28h 20m

Singapore Changi

Mon 10/6

1:55 am-5:12 pm

2 stops29h 17m

$1,033

DenverSingapore

DEN - SIN

DENSIN

Denver Intl

Mon 7/21

5:30 am-11:40 pm

2 stops28h 10m

Singapore Changi

Mon 8/18

7:30 am-7:45 pm

2 stops26h 15m

$1,047

DenverSingapore

DEN - SIN

DENSIN

Denver Intl

Tue 8/19

5:55 pm-7:50 am

1 stop23h 55m

Singapore Changi

Tue 8/26

8:45 pm-7:40 pm

1 stop36h 55m

$1,062

DenverSingapore

DEN - SIN

DENSIN

Denver Intl

Tue 8/26

9:23 pm-12:35 am

2 stops37h 12m

Singapore Changi

Sat 9/20

2:00 am-8:27 pm

2 stops56h 27m

$1,094

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 18 results
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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 June 9, 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, September is the cheapest month in which you can book a flight from Denver to Singapore (average of $1,011). Flying from Denver to Singapore in December is currently the most expensive (average of $1,684). 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 June 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 23% on airfare.

What is the cheapest day to fly from Denver to Singapore?

Use this chart to determine the cheapest time to fly round-trip from Denver to Singapore. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Denver to Singapore flight should consider departing on Sunday evenings when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Singapore by month

Plan your trip to Singapore by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Singapore ranges from 5.9 - 10.6 inches per month. December is typically the wettest month, when rainfall can reach 10.6 in. July is typically the driest time to visit Singapore when rainfall is around 5.9 in.

Temperature in Singapore by month

Plan your trip to Singapore by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Singapore, use this chart to help with planning. For those seeking warmer temperatures, March is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 78.8 F).

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 June 12, 2025.
Get a feel of what it's like to fly with Korean Air, Japan Airlines and China Airlines from Denver to Singapore by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,088 reviews

Entertainment

8.2

Overall

8.4

Boarding

8.5

Food

8.1

Crew

8.7

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Korean Air
8.4
Very good
1,088 reviews
Korean Air
8.4
Very good
1,088 reviews

Entertainment

8.2

Overall

8.4

Boarding

8.5

Food

8.1

Crew

8.7

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Japan Airlines
8.3
Very good
1,490 reviews
Korean Air
8.4
Very good
1,088 reviews

Entertainment

8.2

Overall

8.4

Boarding

8.5

Food

8.1

Crew

8.7

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
China Airlines
8.3
Very good
738 reviews
Korean Air
8.4
Very good
1,088 reviews

Entertainment

8.2

Overall

8.4

Boarding

8.5

Food

8.1

Crew

8.7

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
ANA
8.3
Very good
882 reviews
Korean Air
8.4
Very good
1,088 reviews

Entertainment

8.2

Overall

8.4

Boarding

8.5

Food

8.1

Crew

8.7

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Singapore Airlines
8.1
Very good
1,302 reviews
Korean Air
8.4
Very good
1,088 reviews

Entertainment

8.2

Overall

8.4

Boarding

8.5

Food

8.1

Crew

8.7

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

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.

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

    Air Canada, at $853, was found to be the cheapest airline from Denver to Singapore.Alternate airlines to your destination round-trip include Turkish Airlines and ANA. You may be able to fly from Denver to Singapore for 35% 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 Air Canada, with whom users have recently found tickets for as low as $478. However, be on the lookout for offers from ANA and United Airlines, 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, September is the cheapest month in which you can book a flight from Denver to Singapore (average of $1,011). Flying from Denver to Singapore in December is currently the most expensive (average of $1,684). 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

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest$761Average$951FlexibilityNo cancel feeOn-time62%
Turkish AirlinesCheapest$797Average$951FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$860Average$1,150FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$885Average$1,356FlexibilityNo cancel feeOn-time69%
ANACheapest$997Average$1,395FlexibilityNo cancel feeOn-time80%
Singapore AirlinesCheapest$1,158Average$1,522FlexibilityNo cancel feeOn-time81%

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