Find cheap United Airlines flights to Singapore
WAS — SIN
Nov 4 — Nov 111
Round-trip
1 adult, Economy
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Cheapest United Airlines flights from USA to SingaporeExplore the most affordable United Airlines flight options available from USA to Singapore. Find the lowest fares with prices last updated on October 5, 2026.
Explore the most affordable United Airlines flight options available from USA to Singapore. Find the lowest fares with prices last updated on October 5, 2026.
This United Airlines deal was found by Cheapflights users on 10/1. 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.
Sat 10/3110:40 pm -
Nonstop17h 20m
Sat 11/710:10 am -
Nonstop15h 05m
Deal found 10/1![United Airlines logo]()
$697
This United Airlines deal was found by Cheapflights users on 10/4. 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.
Sun 10/2511:40 am -
Nonstop17h 35m
Sat 11/710:20 pm -
Nonstop14h 55m
Deal found 10/4![United Airlines logo]()
$698
This United Airlines deal was found by Cheapflights users on 9/30. 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.
Thu 10/2210:40 am -
Nonstop16h 55m
Wed 11/410:20 pm -
Nonstop14h 55m
Deal found 9/30![United Airlines logo]()
$699
Best United Airlines flights from USA to SingaporeDiscover carefully curated United Airlines flight deals from USA to Singapore that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 5, 2026.
Discover carefully curated United Airlines flight deals from USA to Singapore that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 5, 2026.
This United Airlines deal was found by Cheapflights users on 10/2. 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.
Tue 11/1010:45 am -
1 stop20h 55m
Sun 11/1510:20 pm -
Nonstop14h 55m
Deal found 10/2![United Airlines logo]()
$709
This United Airlines deal was found by Cheapflights users on 10/1. 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 12/27:00 am -
2 stops31h 55m
Mon 12/1410:20 pm -
Nonstop14h 55m
Deal found 10/1![United Airlines logo]()
$711
This United Airlines deal was found by Cheapflights users on 10/1. 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.
Sat 10/2410:50 pm -
2 stops33h 50m
Sat 11/710:20 pm -
Nonstop14h 55m
Deal found 10/1![United Airlines logo]()
$714
Direct United Airlines flights from USA to SingaporeExplore non-stop United Airlines flight options from USA to Singapore based on user searches, and compare prices and availability for your desired travel dates. Data last updated October 5, 2026.
Explore non-stop United Airlines flight options from USA to Singapore based on user searches, and compare prices and availability for your desired travel dates. Data last updated October 5, 2026.
This United Airlines deal was found by Cheapflights users on 10/1. 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.
Sat 10/3110:40 pm -
Nonstop17h 20m
Sat 11/710:10 am -
Nonstop15h 05m
Deal found 10/1![United Airlines logo]()
$697
This United Airlines deal was found by Cheapflights users on 10/4. 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.
Sun 10/2511:40 am -
Nonstop17h 35m
Sat 11/710:20 pm -
Nonstop14h 55m
Deal found 10/4![United Airlines logo]()
$698
This United Airlines deal was found by Cheapflights users on 9/30. 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.
Thu 10/2210:40 am -
Nonstop16h 55m
Wed 11/410:20 pm -
Nonstop14h 55m
Deal found 9/30![United Airlines logo]()
$699
Last-minute United Airlines flights from USA to SingaporeDiscover last-minute United Airlines flight deals from USA to Singapore. Data last updated October 5, 2026 and is based on user searches.
Discover last-minute United Airlines flight deals from USA to Singapore. Data last updated October 5, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/1. 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.
Sat 10/3110:40 pm -
Nonstop17h 20m
Sat 11/710:10 am -
Nonstop15h 05m
Deal found 10/1![United Airlines logo]()
$697
This United Airlines deal was found by Cheapflights users on 10/4. 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.
Sun 10/2511:40 am -
Nonstop17h 35m
Sat 11/710:20 pm -
Nonstop14h 55m
Deal found 10/4![United Airlines logo]()
$698
This United Airlines deal was found by Cheapflights users on 9/30. 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.
Thu 10/2210:40 am -
Nonstop16h 55m
Wed 11/410:20 pm -
Nonstop14h 55m
Deal found 9/30![United Airlines logo]()
$699
One-way United Airlines flights to SingaporeSearch for one-way United Airlines flight options to Singapore. Find affordable one-way fares based on user searches. Data last updated October 5, 2026.
Search for one-way United Airlines flight options to Singapore. Find affordable one-way fares based on user searches. Data last updated October 5, 2026.
This United Airlines deal was found by Cheapflights users on 10/1. 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.
Mon 10/2610:40 pm -
Nonstop17h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![United Airlines logo]()
$372
This United Airlines deal was found by Cheapflights users on 10/5. 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.
Sun 11/18:35 pm -
1 stop31h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![United Airlines logo]()
$378
This United Airlines deal was found by Cheapflights users on 10/1. 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.
Tue 1/1910:20 am -
1 stop28h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![United Airlines logo]()
$381
Flights to Singapore with United Airlines at a glance
Find detailed information about United Airlines flights from USA to Singapore. Explore the options provided by United Airlines to plan your journey from USA to Singapore. Data last updated October 5, 2026.
Cheapflights Insights
Find cheap United Airlines flights to Singapore
US0-SIN
SFO-SIN
SEA-SIN
How long is the flight to Singapore with United Airlines?
On average, United Airlines flights from the United States to Singapore take 18 hours 35 minutes. Flights to Singapore from other popular cities in the United States will vary in length. Below are a few examples of popular routes and their flight times.
United Airlines weekly flight availability to Singapore
The most flights to Singapore operated by United Airlines are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).
When is the best time to book a flight to Singapore with United Airlines?
The best time to book a flight to Singapore with United Airlines is 78 days before departure. On average, fares are higher if you book 35 days before departure.
FAQs about flights to Singapore with United Airlines
Reviews of United Airlines
See what Cheapflights users have to say about their United Airlines experience.
Overview
Reviews
United Airlines
10,000 reviews
Overview
Crew
8.1
Boarding
7.7
Food
6.7
Comfort
7.3
Entertainment
7.1
Recent reviews
10.0
|Oct 2026Is good
10.0
|Sep 2026Everything was good
8.0
|Sep 2026The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.
10.0
|Aug 2026Staff friendly, good boarding experience
4.0
|Aug 2026Had to go through TSA again, already purchased bottle drink. TSA would not let through, United changed gates last minute. This experience bad for everyone. Staff rude, not our fault. Staff from Chicago to Wichita excellent!
1 out of 3334
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