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Air China flights from Singapore to Washington, D.C. (SIN - WAS)

SIN — WAS
9 May — 16 May1
1 adult
1 adult, Economy, 0 bags

Cheapflights users flying from Singapore to Washington, D.C. on Air China typically fly into Washington, D.C. Dulles Intl and depart from Singapore Changi. Select your dates above for pricing.

Air China flights from Singapore to Washington, D.C. in 2026

Find detailed information about Air China flights from Singapore to Washington, D.C.. Explore the options provided by Air China to plan your journey from Singapore to Washington, D.C.. Data last updated 9 April 2026.

One-way from

S$ 918

Return from

S$ 1,685

Popular in

April

Cheapest in

September

Average price (all airlines)

S$ 2,159
Air China
  • Air China
  • 11-6
  • 2 total stops
  • 37h 20m total
  • Singapore to Washington, D.C.
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Air China
  • Air China
  • 2-7-4-8
  • 2 total stops
  • 61h 30m total
  • Singapore to Washington, D.C.
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Highest demand for flights from Singapore Changi to Washington, D.C.; 14% potential price increase.
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Best time to find cheap flights from Singapore Changi to Washington, D.C.; 3% potential price drop.
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Average price for all Singapore Changi to Washington, D.C. flights (one-way and round-trip).
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  • Can I get a flight from Singapore to Washington, D.C. on Air China for under S$ 2,166?

    There are 6 flights available on Air China from Singapore to Washington, D.C. for under S$ 2,166. These prices can change based on many factors including date and time. To find SIN-WAS flight prices for your dates, click here.

Find Air China flight deals from Singapore to Washington, D.C.

Enter your travel dates to find the best prices.

Cheapest Air China flights from Singapore to Washington, D.C.
Explore the most affordable Air China flight options available from Singapore to Washington, D.C.. Find the lowest fares with prices last updated on 9 April 2026.

Mon 4-503:00
SIN
-
IAD
2 stops28h 30m
Air China
Fri 15-523:00
IAD
-
SIN
2 stops39h 00m
Air China
Deal found 6-4S$ 2,666

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. ranges from 66.0 - 102.0 inches per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Washington, D.C. when rainfall is around 66.0 mm.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C., use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

Best time to book a flight from Singapore to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Singapore 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.

Browse thousands of different options on Cheapflights for your next trip

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Fly from Singapore to Washington, D.C. on another airline

Consider alternative airlines that service the Washington, D.C. area. Flight routes are based on user searches made on Cheapflights and were last updated on 9 April 2026.
Emirates flights from Singapore Changi to Washington, D.C.
United Airlines flights from Singapore Changi to Washington, D.C.
Japan Airlines flights from Singapore Changi to Washington, D.C.

See what others are saying about Air China

Read reviews and see what other travellers are saying about their experiences with Air China. Get insights from real passengers regarding the airline's services, customer satisfaction, and overall travel experience. Use these reviews to inform your decision when choosing Air China for your next flight. Reviews last updated 9 April 2026.
Air China
7.3
Good
146 reviews
Check prices
Overview

Boarding

7.7

Entertainment

6.4

Comfort

7.1

Food

7.1

Crew

8.0

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