How does KAYAK find such low prices on flights from Southeast Asia to Denver?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Southeast Asia to Denver.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Southeast Asia to Denver?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Denver from Southeast Asia is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Southeast Asia to Denver?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Denver with an airline and back to Southeast Asia with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Southeast Asia to Denver?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Denver from Southeast Asia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

S$ 689 CHEAP FLIGHTS from Southeast Asia to Denver

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Cheap Flights from Southeast Asia to Denver

Discover the best prices for you by selecting your travel dates on KAYAK.

Return

One-way

Last minute

Recent return flight deals from Southeast Asia to Denver

Sat, 3 Oct - Sun, 18 Oct

07:00 - 16:58SIN Singapore Changi-DEN Denver Intl

23h 58m1 stop Vancouver Intl

09:10 - 05:15DEN Denver Intl-SIN Singapore Changi

30h 05m1 stop Vancouver Intl

S$ 1,128Air Canada

Sun, 18 Oct - Sun, 25 Oct

07:00 - 16:58SIN Singapore Changi-DEN Denver Intl

23h 58m1 stop Vancouver Intl

19:00 - 07:00DEN Denver Intl-SIN Singapore Changi

22h 00m1 stop Vancouver Intl

S$ 1,147Air Canada

Sun, 18 Oct - Sun, 25 Oct

07:00 - 16:58SIN Singapore Changi-DEN Denver Intl

23h 58m1 stop Vancouver Intl

19:00 - 11:15DEN Denver Intl-SIN Singapore Changi

26h 15m2 stops Vancouver Intl Bangkok Suvarnabhumi

S$ 1,160Air Canada

Sun, 18 Oct - Sun, 25 Oct

20:50 - 16:58SIN Singapore Changi-DEN Denver Intl

34h 08m2 stops Bangkok Suvarnabhumi Vancouver Intl

08:15 - 11:15DEN Denver Intl-SIN Singapore Changi

37h 00m2 stops Vancouver Intl Bangkok Suvarnabhumi

S$ 1,197Air Canada

Thu, 8 Oct - Mon, 26 Oct

07:00 - 08:47SIN Singapore Changi-DEN Denver Intl

39h 47m2 stops Vancouver Intl Edmonton

19:11 - 07:00DEN Denver Intl-SIN Singapore Changi

45h 49m2 stops Calgary Vancouver Intl

S$ 1,205Air Canada

Sat, 10 Oct - Sun, 18 Oct

07:00 - 08:47SIN Singapore Changi-DEN Denver Intl

39h 47m2 stops Vancouver Intl Edmonton

12:05 - 05:15DEN Denver Intl-SIN Singapore Changi

27h 10m1 stop Vancouver Intl

S$ 1,207Air Canada

Thu, 8 Oct - Fri, 23 Oct

07:00 - 08:47SIN Singapore Changi-DEN Denver Intl

39h 47m2 stops Vancouver Intl Edmonton

07:51 - 05:15DEN Denver Intl-SIN Singapore Changi

31h 24m1 stop Vancouver Intl

S$ 1,207Air Canada

Thu, 8 Oct - Sun, 18 Oct

07:00 - 08:47SIN Singapore Changi-DEN Denver Intl

39h 47m2 stops Vancouver Intl Edmonton

16:17 - 05:15DEN Denver Intl-SIN Singapore Changi

22h 58m1 stop Vancouver Intl

S$ 1,207Air Canada

Mon, 28 Sep - Mon, 5 Oct

20:35 - 08:45SIN Singapore Changi-DEN Denver Intl

26h 10m2 stops San Francisco Seattle/Tacoma Intl

19:25 - 18:35DEN Denver Intl-SIN Singapore Changi

33h 10m1 stop San Francisco

S$ 1,304United Airlines

Mon, 19 Oct - Mon, 26 Oct

20:35 - 08:45SIN Singapore Changi-DEN Denver Intl

26h 10m2 stops San Francisco Seattle/Tacoma Intl

07:40 - 20:15DEN Denver Intl-SIN Singapore Changi

22h 35m1 stop San Francisco

S$ 1,305United Airlines

Useful Info

Low season	January
High season	September
Cheapest flight	S$ 689

Best time to beat the crowds but there is an average 7% increase in price.

Most popular time to fly (17% more expensive on average)

Flight from Singapore to Denver

How does KAYAK find such low prices on flights from Southeast Asia to Denver?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Southeast Asia to Denver.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Southeast Asia to Denver?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Denver from Southeast Asia is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Southeast Asia to Denver?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Denver with an airline and back to Southeast Asia with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Southeast Asia to Denver?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Denver from Southeast Asia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

7.4

United AirlinesOverall score based on 10171 reviews

7.3Comfort

7.7Boarding

7.1Entertainment

6.6Food

8.1Crew

Airline reviews

I missed the flight due to maintenance issues. This is the second flight I’ve missed in four days because United allows such little time between layovers. Very disappointing

2.0 MediocreChristopher, Aug 2026