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Cheap flights from Singapore to Washington from $418

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Singapore to Washington departing on 3/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Singapore to Washington

Recent round-trip flight deals from Singapore to Washington

Enter your travel dates to find the best prices.
Multiple Airlines Logo
4:35 pm - 9:05 am
SIN
-
SEA
31h 30m
2 stops
Multiple Airlines Logo
10:15 am - 5:35 pm
SEA
-
SIN
16h 20mnonstop
$747Multiple Airlines
Wed, Apr 15 - Thu, Apr 30
Multiple Airlines Logo
4:35 pm - 9:05 am
SIN
-
SEA
31h 30m
2 stops
Multiple Airlines Logo
10:15 am - 5:35 pm
SEA
-
SIN
16h 20mnonstop
$748Multiple Airlines
Wed, Apr 1 - Thu, Apr 16
Cathay Pacific Logo
12:45 pm - 10:05 am
SIN
-
SEA
36h 20m
1 stop
Cathay Pacific Logo
11:45 am - 3:40 pm
SEA
-
SIN
36h 55m
1 stop
$754Cathay Pacific
Mon, Mar 30 - Thu, Apr 16
Cathay Pacific Logo
8:05 pm - 10:05 am
SIN
-
SEA
29h 00m
1 stop
Cathay Pacific Logo
11:45 am - 5:30 am
SEA
-
SIN
26h 45m
1 stop
$760Cathay Pacific
Mon, Mar 30 - Thu, Apr 16
China Airlines Logo
2:25 pm - 6:10 pm
SIN
-
SEA
19h 45m
1 stop
China Airlines Logo
1:15 am - 12:35 pm
SEA
-
SIN
20h 20m
1 stop
$767China Airlines
Thu, Mar 5 - Mon, Apr 13
China Airlines Logo
2:00 am - 6:10 pm
SIN
-
SEA
32h 10m
1 stop
China Airlines Logo
12:10 am - 12:40 am
SEA
-
SIN
32h 30m
1 stop
$768China Airlines
Sat, Feb 28 - Sat, Mar 7
Japan Airlines Logo
1:55 am - 4:30 pm
SIN
-
PDX
29h 35m
2 stops
Japan Airlines Logo
6:00 am - 6:10 am
PDX
-
SIN
33h 10m
2 stops
$1,074Japan Airlines
Wed, Apr 15 - Mon, Apr 20
Japan Airlines Logo
9:50 pm - 9:35 pm
SIN
-
PDX
38h 45m
2 stops
Japan Airlines Logo
6:00 am - 6:10 am
PDX
-
SIN
33h 10m
2 stops
$1,136Japan Airlines
Thu, Apr 16 - Mon, Apr 20
United Airlines Logo
9:00 am - 2:31 pm
SIN
-
PDX
20h 31m
1 stop
United Airlines Logo
12:50 pm - 6:45 am
PDX
-
SIN
26h 55m
2 stops
$1,311United Airlines
Thu, Apr 16 - Mon, Apr 20
United Airlines Logo
9:00 am - 12:26 pm
SIN
-
PDX
18h 26m
1 stop
United Airlines Logo
7:14 pm - 6:45 am
PDX
-
SIN
20h 31m
1 stop
$1,314United Airlines
Thu, Apr 16 - Mon, Apr 20

STARLUX Airlines flights from Singapore to State of Washington

Our best STARLUX Airlines deals on Singapore to State of Washington flight tickets
STARLUX Airlines
Mar 5
SIN2:45 pmSingapore Changi
16h 20m
1 stop
SEA3:05 pmSeattle/Tacoma Intl
Apr 29
SEA1:15 amSeattle/Tacoma Intl
20h 25m
1 stop
SIN12:40 pmSingapore Changi
$805
STARLUX Airlines
Jul 21
SIN2:00 pmSingapore Changi
17h 35m
1 stop
SEA4:35 pmSeattle/Tacoma Intl
Jul 21
SEA1:15 amSeattle/Tacoma Intl
20h 25m
1 stop
SIN12:40 pmSingapore Changi
$818
STARLUX Airlines
Mar 5
SIN2:45 pmSingapore Changi
16h 20m
1 stop
SEA3:05 pmSeattle/Tacoma Intl
Apr 29
SEA1:15 amSeattle/Tacoma Intl
20h 25m
1 stop
SIN12:40 pmSingapore Changi
$819

Cathay Pacific flights from Singapore to State of Washington

Our best Cathay Pacific deals on Singapore to State of Washington flight tickets
Cathay Pacific
Mar 30
SIN12:45 pmSingapore Changi
36h 20m
1 stop
SEA10:05 amSeattle/Tacoma Intl
Apr 16
SEA11:45 amSeattle/Tacoma Intl
36h 55m
1 stop
SIN3:40 pmSingapore Changi
$754
Cathay Pacific
Mar 30
SIN8:05 pmSingapore Changi
29h 00m
1 stop
SEA10:05 amSeattle/Tacoma Intl
Apr 16
SEA11:45 amSeattle/Tacoma Intl
26h 45m
1 stop
SIN5:30 amSingapore Changi
$760
Cathay Pacific
Mar 30
SIN12:45 pmSingapore Changi
36h 20m
1 stop
SEA10:05 amSeattle/Tacoma Intl
Apr 16
SEA11:45 amSeattle/Tacoma Intl
26h 45m
1 stop
SIN5:30 amSingapore Changi
$761

momondo Fare Finder

 
Customize your flight search to find flights from Singapore to State of Washington that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated February 13, 2026.
Use the filters below to find and compare flights from Singapore to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Wed 4/15

4:35 pm-9:05 am

2 stops31h 30m

Seattle/Tacoma Intl

Thu 4/30

10:15 am-5:35 pm

Nonstop16h 20m

$747

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Wed 4/1

4:35 pm-9:05 am

2 stops31h 30m

Seattle/Tacoma Intl

Thu 4/16

10:15 am-5:35 pm

Nonstop16h 20m

$748

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Mon 3/30

12:45 pm-10:05 am

1 stop36h 20m

Seattle/Tacoma Intl

Thu 4/16

11:45 am-3:40 pm

1 stop36h 55m

$754

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Mon 3/30

8:05 pm-10:05 am

1 stop29h 00m

Seattle/Tacoma Intl

Thu 4/16

11:45 am-5:30 am

1 stop26h 45m

$760

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Thu 3/5

2:25 pm-6:10 pm

1 stop19h 45m

Seattle/Tacoma Intl

Mon 4/13

1:15 am-12:35 pm

1 stop20h 20m

$767

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sat 2/28

2:00 am-6:10 pm

1 stop32h 10m

Seattle/Tacoma Intl

Sat 3/7

12:10 am-12:40 am

1 stop32h 30m

$768

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Wed 4/15

1:55 am-4:30 pm

2 stops29h 35m

Portland

Mon 4/20

6:00 am-6:10 am

2 stops33h 10m

$1,074

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 4/16

9:50 pm-9:35 pm

2 stops38h 45m

Portland

Mon 4/20

6:00 am-6:10 am

2 stops33h 10m

$1,136

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 4/16

9:00 am-2:31 pm

1 stop20h 31m

Portland

Mon 4/20

12:50 pm-6:45 am

2 stops26h 55m

$1,311

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 4/16

9:00 am-12:26 pm

1 stop18h 26m

Portland

Mon 4/20

7:14 pm-6:45 am

1 stop20h 31m

$1,314

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington from

How to get the cheapest flight ticket from Singapore to State of Washington

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to State of Washington?

The month of October is, on average, the cheapest month to fly to State of Washington from Singapore, with most prices found around $731. If you aren’t able to travel to State of Washington during the month of October, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $832.

What is the cheapest day to depart on your flight to State of Washington?

The cheapest day to depart from Singapore to State of Washington is on a Friday. Travelers who choose to depart for State of Washington on a Friday will often find tickets for as low as $1,077. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Singapore to State of Washington for around $1,995.

What is the cheapest Singapore to Washington flight route?

Fly from Singapore Changi to Seattle/Tacoma Intl for the best Singapore - Washington flight prices

How far in advance should I book a flight to State of Washington?

You are more likely to see cheaper flights to State of Washington from Singapore when booking weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around $856 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to State of Washington from Singapore for as low as $805 on momondo.

What cabin class options are available on Singapore to Washington flights?

There are 3 cabin classes available to choose from on Singapore to Washington flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Singapore to State of Washington flights?

No. A direct flight is the cheapest option for a flight between Singapore to State of Washington.

Cheap Singapore to State of Washington flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Singapore to State of Washington

Fastest flight time

14h 10m

Direct flights

Mon, Wed, Fri, Sat and Sun

Airports in State of Washington

96 airports
The fastest flight from Singapore to State of Washington takes 14h 10m
Direct flights go from Singapore to State of Washington on Monday, Wednesday, Friday, Saturday and Sunday. The only airline offering direct flights is Singapore Airlines.
There are 96 airports in State of Washington. From Singapore there are direct flights to Seattle/Tacoma Intl (SEA).
Search flight deals

  • When did momondo last update prices for flights from Singapore to Washington?

    Prices for flights from Singapore to Washington are updated daily.

  • How many operators does momondo search for flights from Singapore to Washington?

  • How old do you have to be to fly from Singapore to Washington?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Singapore to Washington.

  • What documentation or ID do you need to fly to Washington?

    The travel and health documents you'll need for your trip to Washington may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Singapore to State of Washington?

Best airlines flying from Singapore to State of Washington

Compare and see reviews for airlines that fly from Singapore to State of Washington with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $761Free CancellationRating
7.4
9,283 reviews
Search United Airlines flights
EVA AirPriceFrom $776Free CancellationRating
8.4
1,353 reviews
Search EVA Air flights
STARLUX AirlinesPriceFrom $785Free CancellationRating
8.9
274 reviews
Search STARLUX Airlines flights
Singapore AirlinesPriceFrom $910Free CancellationRating
8.2
1,452 reviews
Search Singapore Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Singapore to Washington?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Singapore to Washington. momondo saves you time and could save you money on your trip.

Can I find flights from Singapore to Washington with flexible booking policies on momondo?

Yes. All flights to Washington from Singapore on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Singapore to Washington?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington from Singapore.

I’m not ready to book a flight from Singapore to Washington right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Washington, momondo offers a useful price alert feature which will track prices for flights to Washington from Singapore and alert you when they change.

An easier way to manage your State of Washington trip

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1 adult
Sun 3/15
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