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United Airlines flights from Chicago to Singapore (CHI - SIN)

CHI — SIN
22 Sep — 29 Sep1
1 adult
1 adult, Economy, 0 bags

Find United Airlines flight deals from Chicago to Singapore

Enter your travel dates to find the best prices.

Cheapest United Airlines flights from Chicago to Singapore

Wed 2-921:28 -
1 stop32h 07m
Wed 23-908:45 -
1 stop26h 00m
Deal found 18-8S$ 2,811
Tue 22-905:00 -
2 stops24h 35m
Thu 24-908:45 -
2 stops23h 44m
Deal found 21-8S$ 2,818
Sun 20-921:40 -
1 stop43h 35m
Tue 29-920:35 -
1 stop29h 10m
Deal found 21-8S$ 2,832

  • How do most travelers feel about United Airlines?

    The general consensus from 10,113 Cheapflights users is that United Airlines is a 7.4/10. Select your travel dates above for updated prices on flights from Chicago to Singapore (CHI-SIN).

  • Can I get a flight from Chicago to Singapore on United Airlines for under S$ 1,650?

    United Airlines offers 2 flights from Chicago to Singapore for under S$ 1,650. Prices vary by date and time. To see all prices and select your dates, click here.

United Airlines flights from Chicago to Singapore in 2026

One-way from

S$ 943

Return from

S$ 1,708

Popular in

December

Cheapest in

April

Average price (all airlines)

S$ 1,595
United Airlines
  • United Airlines
  • 9-12
  • 1 total stop
  • 24h 15m total
  • Chicago to Singapore
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United Airlines
  • United Airlines
  • 16-11-27-11
  • 3 total stops
  • 55h 02m total
  • Chicago to Singapore
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Highest demand for flights from Chicago to Singapore Changi; 8% potential price increase.
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Best time to find cheap flights from Chicago to Singapore Changi; 6% potential price drop.
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Average price for all Chicago to Singapore Changi flights (one-way and round-trip).
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Which month is the cheapest to fly Economy class from Chicago to Singapore?

For Economy class flights, the cheapest month to fly this route is August. The most expensive months are December and July.

Rainfall in Singapore by month

In terms of precipitation, rainfall in Singapore ranges from 150.0 - 269.0 inches per month. December is typically the wettest month, when rainfall can reach 269.0 mm. July is typically the driest time to visit Singapore when rainfall is around 150.0 mm.

Temperature in Singapore 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 28.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 26.0 C).

Best time to book a flight from Chicago to Singapore

Have a flexible travel schedule? Discover the best time to fly to Singapore from Chicago with our price prediction graph.
Estimated return price

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See what others are saying about United Airlines

United Airlines
7.4
Good
10,000 reviews
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Overview

Crew

8.1

Boarding

7.7

Entertainment

7.1

Food

6.7

Comfort

7.3

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