What is the cheapest airline that flies from Singapore to Washington?

Air Canada, Asiana Airlines, and Cathay Pacific are the most popular carriers operating from Singapore to Washington

How many flights depart from Singapore to State of Washington on average per week?

The number of flights available between Singapore and State of Washington is 5 per week as of May 2026. The most frequent departure day is Tue, with 20% of weekly flights leaving on this day.

What airlines fly to State of Washington?

STARLUX Airlines, Singapore Airlines and EVA Air are the top three most popular airlines that fly to State of Washington from Singapore according to our data. STARLUX Airlines is the first choice among our users, with 37% of people opting to fly with this airline when traveling to State of Washington. Keep in mind that there are 3 different airlines that fly to State of Washington on a routine basis, so you have a few additional options to choose from.

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?

There are 3 operators available for flights from Singapore to Washington as of May 2026.

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.

$486 Cheap Flights from Singapore to Washington in 2026

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Find the cheapest flights from Singapore to Washington

Round-trip

One-way

Last minute

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Recent round-trip flight deals from Singapore to Washington

Enter your travel dates to find the best prices.

7:00 am - 10:05 am

SIN

SEA

18h 05m

1 stop

10:45 am - 5:15 am

SEA

SIN

27h 30m

1 stop

$762Air Canada

Sat, Jun 13 - Sun, Jun 21

6:15 am - 7:03 pm

SIN

SEA

27h 48m

2 stops

6:00 am - 12:45 am

SEA

SIN

27h 45m

2 stops

$774United Airlines

Tue, Jul 14 - Mon, Jul 20

10:00 pm - 1:37 pm

SIN

SEA

30h 37m

1 stop

1:00 pm - 7:15 pm

SEA

SIN

39h 15m

1 stop

$793Delta

Wed, Sep 9 - Wed, Sep 16

10:00 pm - 1:37 pm

SIN

SEA

30h 37m

1 stop

1:00 pm - 5:00 am

SEA

SIN

25h 00m

1 stop

$795Delta

Sun, Sep 6 - Sun, Sep 13

1:35 am - 9:00 am

SIN

SEA

23h 25m

1 stop

11:00 am - 5:00 am

SEA

SIN

26h 00m

1 stop

$796Korean Air

Wed, Nov 11 - Mon, Nov 16

10:40 am - 9:00 am

SIN

SEA

38h 20m

1 stop

11:00 am - 8:25 pm

SEA

SIN

41h 25m

1 stop

$797Korean Air

Thu, Nov 12 - Mon, Nov 16

7:30 am - 10:40 am

SIN

SEA

18h 10m

1 stop

12:50 pm - 5:00 am

SEA

SIN

25h 10m

1 stop

$799Korean Air

Sat, Sep 12 - Fri, Sep 18

10:30 pm - 9:00 am

SIN

SEA

26h 30m

1 stop

11:00 am - 12:10 am

SEA

SIN

21h 10m

1 stop

$800Korean Air

Thu, Nov 12 - Mon, Nov 16

10:40 am - 9:00 am

SIN

SEA

38h 20m

1 stop

11:00 am - 12:10 am

SEA

SIN

21h 10m

1 stop

$801Korean Air

Thu, Nov 12 - Mon, Nov 16

8:50 am - 6:05 pm

SIN

PDX

25h 15m

2 stops

3:15 pm - 11:15 am

PDX

SIN

28h 00m

2 stops

$986Multiple Airlines

Fri, Nov 13 - Sat, Nov 28

Air Canada flights from Singapore to State of Washington

Our best Air Canada deals on Singapore to State of Washington flight tickets

Air Canada

Jun 13

SIN7:00 amSingapore Changi

18h 05m

1 stop

SEA10:05 amSeattle/Tacoma Intl

Jun 21

SEA10:45 amSeattle/Tacoma Intl

27h 30m

1 stop

SIN5:15 amSingapore Changi

$762

Air Canada

Jun 2

SIN7:00 amSingapore Changi

26h 30m

1 stop

SEA6:30 pmSeattle/Tacoma Intl

Jun 7

SEA10:45 amSeattle/Tacoma Intl

27h 30m

1 stop

SIN5:15 amSingapore Changi

$817

Air Canada

Sep 10

SIN7:00 amSingapore Changi

17h 52m

1 stop

SEA9:52 amSeattle/Tacoma Intl

Sep 16

SEA7:20 pmSeattle/Tacoma Intl

28h 10m

2 stops

SIN2:30 pmSingapore Changi

$819

Delta flights from Singapore to State of Washington

Our best Delta deals on Singapore to State of Washington flight tickets

Delta

Sep 9

SIN10:00 pmSingapore Changi

30h 37m

1 stop

SEA1:37 pmSeattle/Tacoma Intl

Sep 16

SEA1:00 pmSeattle/Tacoma Intl

39h 15m

1 stop

SIN7:15 pmSingapore Changi

$793

Delta

Sep 6

SIN10:00 pmSingapore Changi

30h 37m

1 stop

SEA1:37 pmSeattle/Tacoma Intl

Sep 13

SEA1:00 pmSeattle/Tacoma Intl

25h 00m

1 stop

SIN5:00 amSingapore Changi

$795

Delta

Sep 9

SIN7:30 amSingapore Changi

21h 07m

1 stop

SEA1:37 pmSeattle/Tacoma Intl

Sep 16

SEA7:20 amSeattle/Tacoma Intl

30h 40m

2 stops

SIN5:00 amSingapore Changi

$902

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sat 6/13

7:00 am-10:05 am

1 stop18h 05m

Seattle/Tacoma Intl

Sun 6/21

10:45 am-5:15 am

1 stop27h 30m

$762

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Tue 7/14

6:15 am-7:03 pm

2 stops27h 48m

Seattle/Tacoma Intl

Mon 7/20

6:00 am-12:45 am

2 stops27h 45m

$774

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Wed 9/9

10:00 pm-1:37 pm

1 stop30h 37m

Seattle/Tacoma Intl

Wed 9/16

1:00 pm-7:15 pm

1 stop39h 15m

$793

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sun 9/6

10:00 pm-1:37 pm

1 stop30h 37m

Seattle/Tacoma Intl

Sun 9/13

1:00 pm-5:00 am

1 stop25h 00m

$795

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Wed 11/11

1:35 am-9:00 am

1 stop23h 25m

Seattle/Tacoma Intl

Mon 11/16

11:00 am-5:00 am

1 stop26h 00m

$796

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Thu 11/12

10:40 am-9:00 am

1 stop38h 20m

Seattle/Tacoma Intl

Mon 11/16

11:00 am-8:25 pm

1 stop41h 25m

$797

Quickest round-trip

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sat 9/12

7:30 am-10:40 am

1 stop18h 10m

Seattle/Tacoma Intl

Fri 9/18

12:50 pm-5:00 am

1 stop25h 10m

$799

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Thu 11/12

10:30 pm-9:00 am

1 stop26h 30m

Seattle/Tacoma Intl

Mon 11/16

11:00 am-12:10 am

1 stop21h 10m

$800

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Thu 11/12

10:40 am-9:00 am

1 stop38h 20m

Seattle/Tacoma Intl

Mon 11/16

11:00 am-12:10 am

1 stop21h 10m

$801

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Fri 11/13

8:50 am-6:05 pm

2 stops25h 15m

Portland

Sat 11/28

3:15 pm-11:15 am

2 stops28h 00m

$986

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

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

The month of February is, on average, the cheapest month to fly to State of Washington from Singapore, with most prices found around $418. If you aren’t able to travel to State of Washington during the month of February, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $562.

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 from Singapore to 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 $876 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 $792 on momondo.

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 45m
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 45m

Direct flights go from Singapore to State of Washington on Monday, Wednesday, Friday, Saturday and Sunday. There are no airlines offering direct flights.

There are 96 airports in State of Washington. From Singapore there are direct flights to Seattle/Tacoma Intl (SEA).

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Frequently asked questions about flying from Singapore to Washington

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?
There are 3 operators available for flights from Singapore to Washington as of May 2026.
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?
Based on momondo bookings for flights between Singapore and State of Washington, the leading plane model is Airbus A350-900, making up 85.71% of the total bookings. Other popular models include Boeing 787-9 Dreamliner with 14.29%.

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
EVA Air	PriceFrom $776	Free Cancellation	Rating 8.5 1,453 reviews	Search EVA Air flights
Singapore Airlines	PriceFrom $778	Free Cancellation	Rating 8.2 1,518 reviews	Search Singapore Airlines flights
STARLUX Airlines	PriceFrom $787	Free Cancellation	Rating 8.9 316 reviews	Search STARLUX 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.