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

CHI — SIN
18 May — 25 May1
1 adult
1 adult, Economy, 0 bags

Cheapflights users flying from Chicago to Singapore on United Airlines typically fly into Singapore Changi and depart from Chicago O'Hare Intl. Select your dates above for pricing.

United Airlines flights from Chicago to Singapore in 2026

Find detailed information about United Airlines flights from Chicago to Singapore. Explore the options provided by United Airlines to plan your journey from Chicago to Singapore. Data last updated 18 April 2026.

One-way from

S$ 802

Return from

S$ 1,449

Popular in

December

Cheapest in

September

Average price (all airlines)

S$ 1,314
United Airlines
  • United Airlines
  • 19-8
  • 2 total stops
  • 28h 35m total
  • Chicago to Singapore
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United Airlines
  • United Airlines
  • 29-4-5-5
  • 2 total stops
  • 54h 40m total
  • Chicago to Singapore
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Highest demand for flights from Chicago to Singapore Changi; 10% 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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  • How do most travelers feel about United Airlines?

    The general consensus from 9,605 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$ 1,398?

    United Airlines offers 11 flights from Chicago to Singapore for under S$ 1,398. Prices vary by date and time. To see all prices and select your dates, click here.

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
Explore the most affordable United Airlines flight options available from Chicago to Singapore. Find the lowest fares with prices last updated on 18 April 2026.

Wed 29-421:40
ORD
-
SIN
1 stop31h 55m
United Airlines
Tue 5-520:35
SIN
-
ORD
1 stop22h 45m
United Airlines
Deal found 13-4S$ 1,449
Tue 21-406:25
ORD
-
SIN
1 stop23h 10m
United Airlines
Tue 26-508:45
SIN
-
ORD
1 stop29h 14m
United Airlines
Deal found 16-4S$ 1,450
Tue 28-408:40
ORD
-
SIN
2 stops33h 05m
United Airlines
Tue 5-509:00
SIN
-
ORD
1 stop25h 03m
United Airlines
Deal found 13-4S$ 1,455

Which month is the cheapest to fly Economy class from Chicago to Singapore?

For Economy class flights the cheapest month to fly the route is January. The most expensive months are December and June.

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 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

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 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
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.

Browse thousands of different options on Cheapflights for your next trip

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Fly from Chicago to Singapore on another airline

Consider alternative airlines that service the Singapore area. Flight routes are based on user searches made on Cheapflights and were last updated on 18 April 2026.
Delta flights from Chicago to Singapore Changi

See what others are saying about United Airlines

Read reviews and see what other travellers are saying about their experiences with United Airlines. Get insights from real passengers regarding the airline's services, customer satisfaction, and overall travel experience. Use these reviews to inform your decision when choosing United Airlines for your next flight. Reviews last updated 18 April 2026.
United Airlines
7.4
Good
9,603 reviews
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Overview

Crew

8.1

Comfort

7.3

Food

6.6

Boarding

7.7

Entertainment

7.1

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