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

CHI — SIN
16 Nov — 23 Nov1
1 adult
1 adult, Economy

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 2025

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 17 October 2025.

One-way from

S$ 826

Return from

S$ 1,455

Popular in

December

Cheapest in

February

Average price (all airlines)

S$ 1,168
United Airlines
  • United Airlines
  • 6-1
  • 2 total stops
  • 32h 59m total
  • Chicago to Singapore
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United Airlines
  • United Airlines
  • 20-11-16-2
  • 2 total stops
  • 44h 43m total
  • Chicago to Singapore
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Highest demand for flights from Chicago to Singapore Changi; 14% potential price increase.
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Best time to find cheap flights from Chicago to Singapore Changi; 5% 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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  • Can I get a flight from Chicago to Singapore on United Airlines for under S$ 1,000?

    United Airlines offers 4 flights from Chicago to Singapore for under S$ 1,000. Prices vary by date and time. To see all prices and select your dates, click here.

  • How do most travelers feel about United Airlines?

    The general consensus from 8,982 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).

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 17 October 2025.

Thu 16-1006:15ORD - SIN
1 stop23h 10mUnited Airlines
Mon 20-1020:40SIN - ORD
1 stop22h 15mUnited Airlines
Deal found 16-10S$ 1,455
Tue 18-1110:40ORD - SIN
2 stops31h 20mUnited Airlines
Tue 30-1210:10SIN - ORD
1 stop28h 59mUnited Airlines
Deal found 14-10S$ 1,461
Fri 21-1106:15ORD - SIN
1 stop24h 00mUnited Airlines
Thu 27-1110:10SIN - ORD
1 stop20h 45mUnited Airlines
Deal found 15-10S$ 1,515

Travel insights for United Airlines flights from Chicago to Singapore

Get recent, data-driven insights about United Airlines flights from Chicago to Singapore, including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Chicago to Singapore with United Airlines?

Currently, the most affordable month to book a United Airlines flight from Chicago to Singapore in September, with an average price of S$ 850. Conversely, traveling with United Airlines from Chicago to Singapore in December will be the most expensive, with an average cost of S$ 1,845. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

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 17 October 2025.
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 17 October 2025.
United Airlines
7.4
Good
8,985 reviews
Check prices
Overview

Comfort

7.3

Crew

8.1

Entertainment

7.1

Boarding

7.7

Food

6.6

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