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S$ 96+ Cheap flights from Washington, D.C. Dulles Intl Airport

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 17-12. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
IAD — SIN
26 Nov — 3 Dec1
1 adult
1 adult, Economy, 0 bags

What to know about flights from Dulles Intl

Discover essential information about flights departing from Dulles Intl, including flight schedules, destinations, airlines operating at the Dulles Intl airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 27 October 2025.

Good round-trip deal

S$ 257 or less

Good one-way deal

S$ 1,236 or less
Price to beat on a round-trip flight from Washington, D.C. Dulles Intl.
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Price to beat on a one-way flight from Washington, D.C. Dulles Intl.
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Cheapest flights from Dulles Intl
Explore the most affordable flight options available from Dulles Intl. Find the lowest fares based on data from user searches, with prices last updated on 27 October 2025.

Wed 12-1109:00IAD - BOS
Nonstop1h 38mUnited Airlines
Wed 12-1114:21BOS - IAD
Nonstop1h 47mUnited Airlines
Deal found 27-10S$ 171
Thu 27-1112:58IAD - BOS
Nonstop1h 38mUnited Airlines
Fri 28-1105:30BOS - IAD
Nonstop1h 43mUnited Airlines
Deal found 26-10S$ 174
Sun 7-1222:06IAD - BOS
Nonstop1h 35mUnited Airlines
Wed 10-1209:30BOS - IAD
Nonstop1h 44mUnited Airlines
Deal found 27-10S$ 178
Tue 23-1222:17IAD - BOS
Nonstop1h 37mUnited Airlines
Wed 24-1205:20BOS - IAD
Nonstop1h 46mUnited Airlines
Deal found 26-10S$ 182
Mon 24-1122:07IAD - BOS
Nonstop1h 35mUnited Airlines
Fri 28-1105:30BOS - IAD
Nonstop1h 43mUnited Airlines
Deal found 26-10S$ 187
Wed 17-1212:51IAD - BOS
Nonstop1h 38mUnited Airlines
Mon 22-1205:20BOS - IAD
Nonstop1h 46mUnited Airlines
Deal found 26-10S$ 188
Fri 12-1222:06IAD - BOS
Nonstop1h 35mUnited Airlines
Sun 14-1205:30BOS - IAD
Nonstop1h 44mUnited Airlines
Deal found 27-10S$ 191
Fri 28-1109:00IAD - BOS
Nonstop1h 38mUnited Airlines
Tue 2-1205:30BOS - IAD
Nonstop1h 44mUnited Airlines
Deal found 25-10S$ 193
Thu 18-1222:17IAD - BOS
Nonstop1h 37mUnited Airlines
Sun 25-105:45BOS - IAD
Nonstop1h 46mUnited Airlines
Deal found 25-10S$ 195
Sat 8-1122:07IAD - BOS
Nonstop1h 35mUnited Airlines
Tue 11-1109:30BOS - IAD
Nonstop1h 43mUnited Airlines
Deal found 27-10S$ 197
Wed 15-412:30IAD - LHR
2 stops16h 05mScandinavian Airlines
Tue 21-419:50LHR - IAD
2 stops26h 00mScandinavian Airlines
Deal found 25-10S$ 733
Mon 17-1112:11IAD - LHR
2 stops22h 49mScandinavian Airlines
Mon 24-1106:40LHR - IAD
1 stop15h 35mScandinavian Airlines
Deal found 26-10S$ 741

Find flights from Dulles Intl within your budget

 
Find flights departing from Dulles Intl that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 27 October 2025. In the last 7 days, Cheapflights users made a total of 200,618 searches

Fly to

Singapore

Route

Depart

Return

Price

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Mon 24-11

22:07-23:42

Nonstop1h 35m

Boston Logan Intl

Fri 28-11

05:30-07:13

Nonstop1h 43m

S$ 187

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Thu 11-12

22:06-23:41

Nonstop1h 35m

Boston Logan Intl

Mon 15-12

09:30-11:14

Nonstop1h 44m

S$ 191

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Wed 12-11

22:07-23:42

Nonstop1h 35m

Boston Logan Intl

Fri 14-11

05:30-07:13

Nonstop1h 43m

S$ 191

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Thu 18-12

22:17-23:54

Nonstop1h 37m

Boston Logan Intl

Sun 25-1

05:45-07:31

Nonstop1h 46m

S$ 195

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Fri 12-12

06:00-10:58

1 stop4h 58m

Boston Logan Intl

Sun 18-1

05:45-07:31

Nonstop1h 46m

S$ 197

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Thu 20-11

08:45-12:28

1 stop3h 43m

Boston Logan Intl

Wed 3-12

05:30-07:14

Nonstop1h 44m

S$ 204

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Thu 13-11

09:00-10:38

Nonstop1h 38m

Boston Logan Intl

Sat 15-11

14:21-16:08

Nonstop1h 47m

S$ 204

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Fri 5-12

06:00-10:58

1 stop4h 58m

Boston Logan Intl

Sun 7-12

05:30-07:14

Nonstop1h 44m

S$ 204

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Thu 27-11

08:45-12:28

1 stop3h 43m

Boston Logan Intl

Sat 29-11

05:30-07:13

Nonstop1h 43m

S$ 210

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Thu 13-11

08:45-12:28

1 stop3h 43m

Boston Logan Intl

Sun 16-11

05:30-07:13

Nonstop1h 43m

S$ 217

Flights are sorted by cheapest return flights first.

Deals found on 26-10

Showing 1-10 of 60 results
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Best time to book a flight from Dulles Intl

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

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

When is the best time to book a flight from Washington, D.C. Dulles Intl Airport?

Use this chart to determine the optimal time to book a return flight from Dulles Intl to Singapore. Price data was last updated on 24 October 2025.

The price you pay for your flight from Washington, D.C. Dulles Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 25 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport?

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport (average of S$ 1,020). Flying from Washington, D.C. Dulles Intl Airport in June will prove the most costly (average of S$ 1,486). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Which airlines fly from Washington, D.C. Dulles Intl Airport?

When flying from Washington, D.C. Dulles Intl Airport check dates and pricing for the following: Qatar Airways. As it departs for the following popular destinations: Singapore.

Qatar Airways
Qatar Airways
From S$ 1,376

What are popular destinations to fly to from Washington, D.C. Dulles Intl Airport?

From Washington, D.C. Dulles Intl Airport you can expect to find greater availability for the following destinations: Detroit (308 flights per day), London (292 flights per day) and Atlanta (212 flights per day).

Frankfurt am Main
Frankfurt am Main
From S$ 1,207
Doha Hamad Intl
Doha Hamad Intl
From S$ 1,588
Las Vegas Harry Reid Intl
Las Vegas Harry Reid Intl
From S$ 246

What is the cheapest place to fly to from Washington, D.C. Dulles Intl Airport?

The cheapest city to fly to from Washington, D.C. Dulles Intl Airport is Las Vegas Harry Reid Intl, with prices starting at S$ 246. Explore other affordable destinations below.

Las Vegas Harry Reid Intl
Las Vegas Harry Reid Intl
From S$ 246
Frankfurt am Main
Frankfurt am Main
From S$ 1,207
Doha Hamad Intl
Doha Hamad Intl
From S$ 1,588

Airline reviews for flights from Dulles Intl

Get insights into the airlines that provide service from 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 airline for your flight from Dulles Intl. In the last 7 days, Cheapflights users made a total of 200,618 searches.
Read through reviews of airlines serving Washington, D.C. Dulles Intl Airport, such as Qatar Airways. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Qatar Airways
7.4
Good
3,658 reviews
Check prices

Crew

7.9

Entertainment

7.4

Food

7.3

Boarding

7.5

Overall

7.4

Comfort

7.4

Reviews

1 / 20
6.0
Good

Chris,Jul 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable
Qatar Airways
7.4
Good
3,658 reviews
Qatar Airways
7.4
Good
3,658 reviews
Check prices

Crew

7.9

Entertainment

7.4

Food

7.3

Boarding

7.5

Overall

7.4

Comfort

7.4

Reviews

1 / 20
6.0
Good

Chris,Jul 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable

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Alternate flight departure points to Dulles Intl

Consider leaving from one of these other departure points that are located a short distance from Dulles Intl. Flight origins were last updated on 27 October 2025.
Flights from Reagan-National

Related info for your journey

Access useful and relevant information related to your journey from Dulles Intl. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 27 October 2025.

  • What are the most popular destinations to fly to from Washington, D.C. Dulles Intl Airport?

    This month, the top selected destinations from Washington, D.C. Dulles Intl Airport are Cairo, Mumbai, Ahmedabad. Throughout the year, Mumbai, Cairo, Ahmedabad are some of the top choices made by users flying from Washington, D.C. Dulles Intl Airport.

  • What is the cheapest flight from Washington, D.C. Dulles Intl Airport to anywhere?

    Users have flown out of Washington, D.C. Dulles Intl Airport for as low as S$ 246 to Las Vegas (prices may vary depending on the airline and departure time). On average, users have booked flights for S$ 1,079 to fly from Washington, D.C. Dulles Intl Airport.

  • What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport?

    Currently, the cheapest month for flights from Washington, D.C. Dulles Intl Airport is January. The most expensive month for flights is June. The cheapest prices are shown above but prices will vary according to departure times, airlines, class and how early you book.

  • Where are the cheapest places to fly to from Washington, D.C. Dulles Intl Airport?

    View the cheapest flight destinations from Washington, D.C. Dulles Intl Airport:
    Fly from Washington, D.C. to Singapore from S$ 1,082 round trip

  • How does Cheapflights help users find flights from Dulles Intl?

    Cheapflights helps you search for flights from Dulles Intl via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

  • Why should you use Cheapflights to find cheap flight tickets from Dulles Intl?

    Cheapflights simply makes it quick and affordable to book flights from Dulles Intl by bringing together all flight options from hundreds of airlines and agencies online — and we put them in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

  • Can Cheapflights find flights from Dulles Intl with no change fees?

    Yes! Cheapflights helps users easily find flights from Dulles Intl with no change fees.

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

    Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and use a valid email address to enable the Price Alerts feature. That’s it!

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How does Cheapflights help users find flights from Dulles Intl?

Cheapflights helps you search for flights from Dulles Intl via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Dulles Intl?

Cheapflights simply makes it quick and affordable to book flights from Dulles Intl by bringing together all flight options from hundreds of airlines and agencies online — and we put them in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Yes! Cheapflights helps users easily find flights from Dulles Intl with no change fees.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and use a valid email address to enable the Price Alerts feature. That’s it!

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