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Air China flights from Singapore to Washington, D.C. Dulles Intl Airport (SIN - IAD)

SIN — IAD
6 Dec — 13 Dec1
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 Dulles Intl in 2025

Find detailed information about Air China flights from Singapore to Dulles Intl. Explore the options provided by Air China to plan your journey from Singapore to Dulles Intl. Data last updated 6 November 2025.

One-way from

S$ 579

Return from

S$ 1,131

Popular in

November

Cheapest in

March

Average price (all airlines)

S$ 4,085
Air China
  • Air China
  • 16-4
  • 1 total stop
  • 32h 05m total
  • Singapore to Washington, D.C.
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Air China
  • Air China
  • 2-3-13-3
  • 2 total stops
  • 60h 50m total
  • Singapore to Washington, D.C.
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Highest demand for flights from Singapore Changi to Washington, D.C. Dulles Intl; 23% potential price increase.
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Best time to find cheap flights from Singapore Changi to Washington, D.C. Dulles Intl; 11% potential price drop.
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Average price for all Singapore Changi to Washington, D.C. Dulles Intl flights (one-way and round-trip).
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Find Air China flight deals from Singapore to Dulles Intl

Enter your travel dates to find the best prices.

Cheapest Air China flights from Singapore to Dulles Intl
Explore the most affordable Air China flight options available from Singapore to Dulles Intl. Find the lowest fares with prices last updated on 6 November 2025.

Thu 18-1203:00SIN - IAD
2 stops28h 30mAir China
Fri 26-1222:00IAD - SIN
1 stop29h 15mAir China
Deal found 4-11S$ 1,789
Mon 1-1217:15SIN - IAD
1 stop38h 15mAir China
Fri 5-1222:00IAD - SIN
1 stop29h 15mAir China
Deal found 4-11S$ 5,420

Travel insights for Air China flights from Singapore to Dulles Intl

Get recent, data-driven insights about Air China flights from Singapore to Dulles Intl, including ideal travel times, pricing trends, and more.

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport when rainfall is around 66.0 mm.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, 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 Dulles Intl

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

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Fly from Singapore to Dulles Intl on another airline

Consider alternative airlines that service the Dulles Intl area. Flight routes are based on user searches made on Cheapflights and were last updated on 6 November 2025.
United Airlines flights from Singapore Changi to Washington, D.C. Dulles Intl

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 6 November 2025.
Air China
7.1
Good
122 reviews
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Overview

Entertainment

6.3

Crew

7.9

Comfort

7.0

Boarding

7.6

Food

6.9

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