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S$ 652+ Cheap flights to Washington

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17-3. Fares are subject to change and may not be available on all flights or dates of travel.
— SEA
24 Feb — 3 Mar1
1 adult

Flights to Washington in 2025

Find the latest flights to Washington in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 200,618 searches and data was last updated on 19 February 2025.

Return from

S$ 956

One-way from

S$ 652

Popular in

June

Cheapest in

March

Average price

S$ 1,153

Good round-trip deal

S$ 1,453 or less

Good one-way deal

S$ 1,065 or less
United Airlines
  • United Airlines
  • 10-6-9-8
  • 2 total stops
  • 51h 29m total
  • Singapore to Seattle
17-3
  • 17-3
  • 2 total stops
  • 49h 29m total
  • Singapore to Washington
Highest demand for flights based on searches. 11% potential increase in price (S$ 225 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (S$ 32 potential savings vs. average return price).
Average for return flights in February 2025
Price to beat on a round-trip flight from Singapore Changi to Washington.
Price to beat on a one-way flight from Singapore Changi to Washington.

Find flights to Washington

Browse one-way and return flights deals to Washington on Cheapflights. Flight deals are based on user searches and were last updated on 19 February 2025
Explore Washington

Find flight deals to Washington

Cheapest flights to Washington
Explore the most affordable flight options available to Washington. Find the lowest fares based on data from user searches, with prices last updated on 19 February 2025.

Tue 10-608:45SIN - SEA
1 stop19h 37mUnited Airlines
Sat 9-819:33SEA - SIN
1 stop31h 52mUnited Airlines
Deal found 18-2S$ 956
Mon 14-413:45SIN - SEA
1 stop20h 45mChina Airlines
Sun 27-401:10SEA - SIN
1 stop20h 25mChina Airlines
Deal found 18-2S$ 1,023
Mon 15-914:00SIN - SEA
1 stop17h 10mSTARLUX Airlines
Mon 29-901:15SEA - SIN
1 stop20h 25mSTARLUX Airlines
Deal found 17-2S$ 1,070
Sun 30-323:25SIN - SEA
2 stops58h 36mMultiple Airlines
Tue 8-410:15SEA - SIN
Nonstop16h 20mMultiple Airlines
Deal found 18-2S$ 1,074
Sat 11-1009:00SIN - SEA
Nonstop14h 45mSingapore Airlines
Thu 23-1010:15SEA - SIN
Nonstop16h 20mSingapore Airlines
Deal found 17-2S$ 1,093
Thu 13-320:00SIN - SEA
1 stop38h 10mPhilippine Airlines
Sun 16-323:35SEA - SIN
1 stop33h 00mPhilippine Airlines
Deal found 18-2S$ 1,116
Thu 13-311:00SIN - SEA
1 stop38h 00mKorean Air
Sun 16-312:00SEA - SIN
1 stop41h 25mKorean Air
Deal found 18-2S$ 1,117
Thu 15-513:10SIN - SEA
1 stop21h 20mEVA Air
Wed 23-702:10SEA - SIN
1 stop18h 50mEVA Air
Deal found 18-2S$ 1,129
Sat 11-1009:10SIN - SEA
1 stop24h 26mAir Canada
Thu 23-1010:00SEA - SIN
2 stops23h 45mAir Canada
Deal found 17-2S$ 1,242
Mon 3-301:55SIN - SEA
1 stop25h 00mAsiana Airlines
Fri 7-312:45SEA - SIN
1 stop41h 10mAsiana Airlines
Deal found 18-2S$ 1,247
Wed 21-501:10SIN - SEA
1 stop27h 25mDelta
Thu 14-813:05SEA - SIN
1 stop24h 55mDelta
Deal found 18-2S$ 1,273
Wed 16-408:05SIN - PDX
2 stops23h 08mJapan Airlines
Wed 23-410:35PDX - SIN
2 stops22h 45mJapan Airlines
Deal found 18-2S$ 1,346

Find flights to Washington within your budget

Locate flights to Washington that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 200,618 searches and data was last updated on 19 February 2025.

Fly from

Singapore

Route

Depart

Return

Price

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Tue 10-6

08:45-13:22

1 stop19h 37m

Seattle/Tacoma Intl

Sat 9-8

19:33-18:25

1 stop31h 52m

S$ 956

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Mon 14-4

13:45-19:30

1 stop20h 45m

Seattle/Tacoma Intl

Sun 27-4

01:10-12:35

1 stop20h 25m

S$ 1,023

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sun 30-3

23:25-19:01

2 stops58h 36m

Seattle/Tacoma Intl

Tue 8-4

10:15-17:35

Nonstop16h 20m

S$ 1,074

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Tue 10-6

14:00-16:10

1 stop17h 10m

Seattle/Tacoma Intl

Fri 8-8

01:15-12:40

1 stop20h 25m

S$ 1,089

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Thu 13-3

20:00-19:10

1 stop38h 10m

Seattle/Tacoma Intl

Sun 16-3

23:35-23:35

1 stop33h 00m

S$ 1,116

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Thu 13-3

11:00-10:00

1 stop38h 00m

Seattle/Tacoma Intl

Sun 16-3

12:00-20:25

1 stop41h 25m

S$ 1,117

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Thu 15-5

13:10-19:30

1 stop21h 20m

Seattle/Tacoma Intl

Wed 23-7

02:10-12:00

1 stop18h 50m

S$ 1,129

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Mon 3-3

01:55-10:55

1 stop25h 00m

Seattle/Tacoma Intl

Fri 7-3

12:45-21:55

1 stop41h 10m

S$ 1,247

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Wed 21-5

01:10-13:35

1 stop27h 25m

Seattle/Tacoma Intl

Thu 14-8

13:05-05:00

1 stop24h 55m

S$ 1,273

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Wed 5-3

20:45-10:00

1 stop29h 15m

Seattle/Tacoma Intl

Sun 16-3

09:40-17:40

Nonstop17h 00m

S$ 1,340

Flights are sorted by cheapest return flights first.

Deals found on 18-2

Showing 1-10 of 42 results
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Best time to book a flight to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington 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.

Travel insights for flights to Washington

Get recent, data-driven insights about flights to Washington including ideal travel times, pricing trends, and more.

How long is the flight to Washington?

On average, a flight from Singapore to Washington takes 18 hours 39 minutes. Flights to Washington from other popular cities in Singapore will vary in length. Below are a few examples of popular routes and their flight times.

When is the cheapest time to fly to Washington?

Use this chart to determine the cheapest time to fly return from Singapore to Washington. Price data was last updated on 19 May 2024.

Users looking for the lowest fares to Washington should consider flying on Wednesday mornings, when prices are typically cheapest. Budget-minded travellers will want to avoid Sunday mornings, when prices are usually at their highest.