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Cheap flights to Dulles Intl

WAS — IAD
23 Mar — 30 Mar1
1 adult
Sat 23-3
Sat 30-3

Find deals on flights to Dulles Intl by searching across hundreds of travel sites at once.

 
Cheapflights users frequently choose these airlines when searching for flights to Dulles Intl, based on our search results.
Cheapflights users frequently choose these airlines when searching for flights to Dulles Intl, based on our search results.
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Flights to Dulles Intl in 2024

Find the latest flights to Dulles Intl in 2024, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 203,602 searches and data was last updated on 19 March 2024.

Popular in

August

Cheapest in

September

Average price

S$ 1,619

Return from

S$ 1,391

One-way from

S$ 634
High demand for flights, 4% potential price rise
Best time to find cheap flights, 2% potential price drop
Average for return flights in March 2024
From Singapore Changi to Washington, D.C.
One-way flight from Singapore Changi (SIN) to Washington, D.C. Dulles Intl (IAD)

Average price of flights to Dulles Intl Airport by month

Plan your trip to Dulles Intl by taking into account the cheapest months to travel. The average price of a one-way flight to Dulles Intl is currently S$ 0 while a return flight costs S$ 0. Price data was last updated on 17 March 2024.

Currently, January is the cheapest month in which you can book a flight to Dulles Intl (average of S$ 0). Flying to Dulles Intl in May will prove the most costly (average of S$ 1,368). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Temperature and rainfall in Dulles Intl by month

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

WAS

Temperature

2 - 27 °C

If weather is an important factor for your trip to Dulles Intl, 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).

When is the best time to book a flight to Dulles Intl?

Use this chart to determine the optimal time to book a return flight to Dulles Intl. Price data was last updated on 28 January 2024.
The price you pay for your flight to Dulles Intl may vary depending on when you book. For the best chance of a lower fare, look to book 76 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
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When is the cheapest time to fly to Dulles Intl?

Use this chart to determine the cheapest time to fly return to Dulles Intl. Price data was last updated on 17 March 2024.
Morning
Midday
Afternoon
Evening
All times are departure.
Users looking for the lowest fares to Dulles Intl should consider flying on Thursday mornings, when prices are typically cheapest. Budget-minded travellers will want to avoid Friday evenings, when prices are usually at their highest.
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Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated 19 March 2024.
Peruse reviews from past customers who have flown American Airlines, SWISS and Air India to Washington, D.C. to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.6
Very Good
1,244 reviews

Boarding

8.6

Crew

8.8

Entertainment

8.2

Food

8.2

Overall

8.6

Comfort

8.4

Reviews

1 / 10

if you can put more multiples language agents in air service especially Chinese or French ,the customer who speaks those languages will be much happier than now

8.6
Very Good
1,244 reviews
8.6
Very Good
1,244 reviews

Boarding

8.6

Crew

8.8

Entertainment

8.2

Food

8.2

Overall

8.6

Comfort

8.4

Reviews

1 / 10

if you can put more multiples language agents in air service especially Chinese or French ,the customer who speaks those languages will be much happier than now

8.5
Very Good
1,005 reviews
8.6
Very Good
1,244 reviews

Boarding

8.6

Crew

8.8

Entertainment

8.2

Food

8.2

Overall

8.6

Comfort

8.4

Reviews

1 / 10

if you can put more multiples language agents in air service especially Chinese or French ,the customer who speaks those languages will be much happier than now

8.4
Very Good
1,477 reviews
8.6
Very Good
1,244 reviews

Boarding

8.6

Crew

8.8

Entertainment

8.2

Food

8.2

Overall

8.6

Comfort

8.4

Reviews

1 / 10

if you can put more multiples language agents in air service especially Chinese or French ,the customer who speaks those languages will be much happier than now

8.3
Very Good
1,520 reviews
8.6
Very Good
1,244 reviews

Boarding

8.6

Crew

8.8

Entertainment

8.2

Food

8.2

Overall

8.6

Comfort

8.4

Reviews

1 / 10

if you can put more multiples language agents in air service especially Chinese or French ,the customer who speaks those languages will be much happier than now

8.1
Very Good
4,215 reviews
8.6
Very Good
1,244 reviews

Boarding

8.6

Crew

8.8

Entertainment

8.2

Food

8.2

Overall

8.6

Comfort

8.4

Reviews

1 / 10

if you can put more multiples language agents in air service especially Chinese or French ,the customer who speaks those languages will be much happier than now

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How does Cheapflights help users find flights to Dulles Intl?

Deals for Dulles Intl flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose to your preference, such as price, airport, cabin class, and plenty of other options.

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It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights to Dulles Intl.

Can Cheapflights find flights to Dulles Intl with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights to Dulles Intl, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights to Dulles Intl become cheaper?

Yes, Cheapflights offers price alerts on Dulles Intl flights so you can book your flight when prices are ideal. Enable price alerts by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.