$478 Cheap United flights from Seattle to Singapore (SEA to SIN)

Find The Best Day To Fly from Seattle to Singapore

Amazing United SEA to SIN Flight Deals

The cheapest flights to Changi found within the past 7 days were $891 round trip and $478 one way. Prices and availability subject to change. Additional terms may apply.

Mon, May 4 - Mon, May 11
SEA
Seattle
SIN
Singapore
$891 Roundtrip, found 23 hours ago
$891
Roundtrip
found 23 hours ago
Select United flight, departing Mon, May 4 from Seattle to Singapore, returning Mon, May 11, priced at $891 found 23 hours ago

Frequently asked questions

Can I catch a flight from Sea-Tac Airport to SIN right now?
It’s always prudent to find out about any travel advice reports and quarantine requirements in effect in your destination. Make sure you go to the Covid-19 Travel Advisor for up-to-date information on booking a flight to Singapore Airport.
What terminal is United Airlines at Sea-Tac Airport?
Once you’ve received the boarding pass for your flight from Sea-Tac Airport to Changi Airport, you should be able to see exactly which terminals United Airlines flies into and out of. If not, contact your carrier or do some research online for those details.
Are there United Airlines non-stop flights from SEA to SIN?
If you’re flying with United Airlines from Seattle - Tacoma Intl. Airport (SEA) to Singapore Airport, you’ll need to make a stopover. While you’re waiting for your connecting flight, take the opportunity to enjoy a bite to eat or stretch your legs.
How long is a United Airlines flight from SEA to SIN?
If you enjoy binge-watching films, you probably won’t mind the fact that your United Airlines flight from SEA to SIN will take on average 19 hours and 50 minutes. Make sure you download all your films before you climb aboard the plane, or simply take advantage of the in-flight entertainment.
How many direct and indirect flights does United Airlines fly from SEA to SIN?
When traveling from SEA to SIN, you’ll find at least 2 United Airlines daily flights to select from.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to Singapore Airport, please visit our Customer Service Portal.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

Discover our best United flight from Seattle SEA to Singapore SIN 

To find the best deals on flights to Seattle from Singapore with United, just enter your travel dates, filter by United, and hit search. You’ll find flights to choose from and can sort by price, flight duration, and arrival or departure time.  

 

Return flights from Seattle SEA to Singapore SIN with United 

If you’re planning a round trip, booking return flights with United is usually the most cost-effective option. With airfares ranging from $891 to $891, it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way United flights from Seattle SEA to Singapore SIN 

A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way United flight from Seattle to Singapore costs from $478. Prices and availability subject to change. Additional terms may apply. 

 

The easy way to find cheap flights to Singapore SIN from  Seattle SEA with United 

To find a cheap United flight from Seattle SEA to Singapore SIN, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference. 

 

How to find our best airfare deals on United flights from Seattle SEA to Singapore SIN 

If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as May, or if you book a flight with a stopover. 

 

Find nonstop flights from Seattle SEA to Singapore SIN with United 

If you’re keen to be on Singapore soil fast, don’t waste time with a stopover—filter your search results to show direct United flights only. The journey takes around hour(s) min(s) – so you’ll be there before you know it. 

 

Flexible airline tickets for United flights from Seattle SEA to Singapore SIN 

Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.  

 

There are a lot of reasons to book your flights to Singapore SIN from  Seattle SEA with United on Travelocity 

At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.

United Airports
Hop on a(n) United flight today by flying to many destinations out of these domestic and international airports:
Airport code
Country
Airport name
Number of flights
ORDUSAO'Hare Intl.227
DENUSADenver Intl.226
IAHUSAGeorge Bush Intercontinental136
IADUSAWashington Dulles Intl.100
SFOUSASan Francisco Intl.64
LAXUSALos Angeles Intl.23
EWRUSALiberty Intl.20
FRADEUFrankfurt Intl.19
NRTJPNNarita Intl.19
PEKCHNCapital Intl.16

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