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S$ 112+ 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 2-4. 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
16 Mar — 23 Mar1
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 14 February 2026.

Good round-trip deal

S$ 250 or less

Good one-way deal

S$ 1,036 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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Enter your travel dates to find the best prices.

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 14 February 2026.

Fri 6-322:20
IAD
-
BOS
Nonstop1h 37m
United Airlines
Sun 8-305:45
BOS
-
IAD
Nonstop1h 44m
United Airlines
Deal found 13-2S$ 224
Wed 18-322:20
IAD
-
BOS
Nonstop1h 37m
United Airlines
Fri 20-305:45
BOS
-
IAD
Nonstop1h 44m
United Airlines
Deal found 11-2S$ 230
Fri 13-322:20
IAD
-
BOS
Nonstop1h 37m
United Airlines
Tue 17-309:30
BOS
-
IAD
Nonstop1h 44m
United Airlines
Deal found 13-2S$ 235
Thu 5-306:00
IAD
-
BOS
1 stop5h 10m
United Airlines
Sun 8-305:45
BOS
-
IAD
Nonstop1h 44m
United Airlines
Deal found 12-2S$ 236
Fri 13-322:20
IAD
-
BOS
Nonstop1h 37m
United Airlines
Mon 23-319:34
BOS
-
IAD
Nonstop1h 42m
United Airlines
Deal found 11-2S$ 237
Fri 10-422:15
IAD
-
BOS
Nonstop1h 44m
United Airlines
Sun 12-405:45
BOS
-
IAD
Nonstop1h 40m
United Airlines
Deal found 11-2S$ 240
Fri 6-322:20
IAD
-
BOS
Nonstop1h 37m
United Airlines
Sun 15-305:45
BOS
-
IAD
Nonstop1h 44m
United Airlines
Deal found 11-2S$ 242
Thu 26-306:00
IAD
-
BOS
1 stop5h 10m
United Airlines
Sun 29-305:45
BOS
-
IAD
Nonstop1h 40m
United Airlines
Deal found 13-2S$ 248
Sat 28-217:27
IAD
-
BOS
Nonstop1h 41m
United Airlines
Sun 1-305:30
BOS
-
IAD
Nonstop1h 44m
United Airlines
Deal found 13-2S$ 249
Fri 1-506:00
IAD
-
BOS
1 stop4h 20m
United Airlines
Sun 3-505:45
BOS
-
IAD
Nonstop1h 39m
United Airlines
Deal found 13-2S$ 250
Mon 29-608:15
IAD
-
BOS
1 stop5h 21m
United Airlines
Fri 3-705:45
BOS
-
IAD
Nonstop1h 38m
United Airlines
Deal found 11-2S$ 251
Fri 20-306:00
IAD
-
BOS
1 stop3h 21m
United Airlines
Fri 27-305:45
BOS
-
IAD
Nonstop1h 44m
United Airlines
Deal found 10-2S$ 253

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 14 February 2026. 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 9-3

22:20-23:57

Nonstop1h 37m

Boston Logan Intl

Fri 13-3

05:45-07:29

Nonstop1h 44m

S$ 224

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Thu 9-4

22:15-23:59

Nonstop1h 44m

Boston Logan Intl

Sun 12-4

05:45-07:25

Nonstop1h 40m

S$ 224

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Fri 6-3

22:20-23:57

Nonstop1h 37m

Boston Logan Intl

Sat 14-3

19:34-21:16

Nonstop1h 42m

S$ 224

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Thu 9-7

22:10-23:58

Nonstop1h 48m

Boston Logan Intl

Sat 11-7

05:45-07:23

Nonstop1h 38m

S$ 224

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Thu 12-3

08:20-09:56

Nonstop1h 36m

Boston Logan Intl

Mon 16-3

05:45-07:29

Nonstop1h 44m

S$ 224

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Tue 28-4

08:22-10:04

Nonstop1h 42m

Boston Logan Intl

Sun 3-5

05:45-07:24

Nonstop1h 39m

S$ 224

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Thu 12-3

08:20-09:56

Nonstop1h 36m

Boston Logan Intl

Tue 24-3

14:15-15:59

Nonstop1h 44m

S$ 224

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Fri 10-4

22:15-23:59

Nonstop1h 44m

Boston Logan Intl

Mon 13-4

05:45-07:25

Nonstop1h 40m

S$ 224

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Fri 22-5

06:00-09:51

1 stop3h 51m

Boston Logan Intl

Tue 26-5

05:45-07:23

Nonstop1h 38m

S$ 236

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Sat 2-5

08:20-13:51

1 stop5h 31m

Boston Logan Intl

Mon 4-5

05:45-07:24

Nonstop1h 39m

S$ 236

Flights are sorted by cheapest return flights first.

Deals found on 13-2

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 6 February 2026.

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 87 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, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport (average of S$ 1,052). Flying from Washington, D.C. Dulles Intl Airport in June will prove the most costly (average of S$ 1,440). 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: JetBlue, Qatar Airways. As they depart for the following popular destinations: Singapore.

JetBlue
JetBlue
From S$ 1,355
Qatar Airways
Qatar Airways
From S$ 1,339

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: London (324 flights per day), New York (267 flights per day) and Toronto (224 flights per day).

Doha Hamad Intl
Doha Hamad Intl
From S$ 1,032
San Francisco
San Francisco
From S$ 1,421
Las Vegas Harry Reid Intl
Las Vegas Harry Reid Intl
From S$ 240

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$ 240. Explore other affordable destinations below.

Las Vegas Harry Reid Intl
Las Vegas Harry Reid Intl
From S$ 240
Doha Hamad Intl
Doha Hamad Intl
From S$ 1,032
San Francisco
San Francisco
From S$ 1,421

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 and JetBlue. 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
3,735 reviews
Check prices

Food

7.3

Crew

7.9

Comfort

7.4

Boarding

7.5

Entertainment

7.4

Overall

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
3,735 reviews
Qatar Airways
7.4
Good
3,735 reviews
Check prices

Food

7.3

Crew

7.9

Comfort

7.4

Boarding

7.5

Entertainment

7.4

Overall

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
JetBlue
7.2
Good
2,898 reviews
Qatar Airways
7.4
Good
3,735 reviews
Check prices

Food

7.3

Crew

7.9

Comfort

7.4

Boarding

7.5

Entertainment

7.4

Overall

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 14 February 2026.
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 14 February 2026.

  • 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 Mumbai, Ahmedabad, Bangkok Suvarnabhumi Airport. 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$ 240 to Las Vegas (prices may vary depending on the airline and departure time). On average, users have booked flights for S$ 1,283 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 September. 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.

  • 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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