United Airlines flights from Singapore to Washington, D.C. Dulles Intl Airport (SIN - IAD)
SIN — IAD
29 Nov — 6 Dec1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
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Cheapest United Airlines flights from Singapore to Dulles Intl
Explore the most affordable United Airlines flight options available from Singapore to Dulles Intl. Find the lowest fares with prices last updated on 30 October 2026.
Thu 26-1122:20 -
2 stops26h 24m
Thu 3-1217:40 -
1 stop25h 20m
Deal found 29-10S$ 1,637
Thu 26-1122:20 -
2 stops26h 24m
Wed 9-1206:15 -
1 stop25h 00m
Deal found 27-10S$ 1,638
Sun 1-1122:20 -
1 stop21h 43m
Mon 9-1106:15 -
2 stops28h 25m
Deal found 29-10S$ 5,280
Best United Airlines flights from Singapore to Dulles Intl
Discover carefully curated United Airlines flight deals from Singapore to Dulles Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 October 2026.
Thu 26-1122:20 -
2 stops26h 24m
Thu 3-1217:40 -
1 stop25h 20m
Deal found 29-10S$ 1,637
Thu 26-1122:20 -
2 stops26h 24m
Wed 9-1206:15 -
1 stop25h 00m
Deal found 27-10S$ 1,638
Mon 21-1210:10 -
2 stops26h 11m
Thu 7-106:00 -
1 stop25h 15m
Deal found 27-10S$ 1,734
Last-minute United Airlines flights from Singapore to Dulles Intl
Discover last-minute United Airlines flight deals from Singapore to Dulles Intl. Data last updated 30 October 2026 and is based on user searches.
Thu 26-1122:20 -
2 stops26h 24m
Thu 3-1217:40 -
1 stop25h 20m
Deal found 29-10S$ 1,637
Thu 26-1122:20 -
2 stops26h 24m
Wed 9-1206:15 -
1 stop25h 00m
Deal found 27-10S$ 1,638
Sun 1-1122:20 -
1 stop21h 43m
Mon 9-1106:15 -
2 stops28h 25m
Deal found 29-10S$ 5,280
One-way United Airlines flights to Dulles Intl
Search for one-way United Airlines flight options to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated 30 October 2026.
Thu 7-110:10 -
3 stops48h 02m
Wed 31-1200:00 -
Nonstop0h 00m
Deal found 27-10S$ 2,474
Fri 26-210:10 -
3 stops27h 35m
Wed 31-1200:00 -
Nonstop0h 00m
Deal found 30-10S$ 2,936
Tue 17-1122:20 -
1 stop22h 04m
Wed 31-1200:00 -
Nonstop0h 00m
Deal found 26-10S$ 3,954
United Airlines flights from Singapore to Dulles Intl in 2026
Find detailed information about United Airlines flights from Singapore to Dulles Intl. Explore the options provided by United Airlines to plan your journey from Singapore to Dulles Intl. Data last updated 30 October 2026.
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.
SIN-IAD
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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Other United Airlines flights from Singapore
Browse through other United Airlines flights departing from Singapore. Flight routes are based on user searches made on Cheapflights and were last updated on 30 October 2026.
If Dulles Intl is not for you, choose from these other destinations located in North America. Flight routes are based on user searches made on Cheapflights and were last updated on 30 October 2026.
Read reviews and see what other travellers are saying about their experiences with United Airlines. 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 United Airlines for your next flight. Reviews last updated 30 October 2026.
Too crowded need more legroom and space between seats
10.0
Wonderful|Oct 2026
Is good
10.0
Wonderful|Sept 2026
Everything was good
8.0
Very Good|Sept 2026
The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.
1 out of 3334
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