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S$ 108+ Direct 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 17-11. 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
18 Oct — 25 Oct1
1 adult
1 adult, Economy

Direct flights from Dulles Intl

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 18 September 2025.

Tue 7-1008:50IAD - BOS
Nonstop1h 41mUnited Airlines
Tue 7-1019:08BOS - IAD
Nonstop1h 44mUnited Airlines
Deal found 16-9S$ 190
Tue 23-1222:17IAD - BOS
Nonstop1h 37mUnited Airlines
Sat 3-105:20BOS - IAD
Nonstop1h 46mUnited Airlines
Deal found 17-9S$ 194
Wed 15-1022:19IAD - BOS
Nonstop1h 40mUnited Airlines
Sat 18-1009:30BOS - IAD
Nonstop1h 44mUnited Airlines
Deal found 15-9S$ 195
Wed 8-1008:50IAD - BOS
Nonstop1h 41mUnited Airlines
Thu 9-1005:30BOS - IAD
Nonstop1h 41mUnited Airlines
Deal found 16-9S$ 198
Tue 4-1109:00IAD - BOS
Nonstop1h 38mUnited Airlines
Tue 4-1114:21BOS - IAD
Nonstop1h 47mUnited Airlines
Deal found 17-9S$ 199
Thu 2-1012:35IAD - BOS
Nonstop1h 40mUnited Airlines
Sat 4-1009:30BOS - IAD
Nonstop1h 44mUnited Airlines
Deal found 17-9S$ 204
Thu 13-1122:07IAD - BOS
Nonstop1h 35mUnited Airlines
Sun 16-1105:30BOS - IAD
Nonstop1h 43mUnited Airlines
Deal found 15-9S$ 205
Mon 6-1022:19IAD - BOS
Nonstop1h 40mUnited Airlines
Wed 8-1005:55BOS - IAD
Nonstop1h 40mUnited Airlines
Deal found 16-9S$ 207
Tue 30-922:19IAD - BOS
Nonstop1h 40mUnited Airlines
Sat 4-1005:30BOS - IAD
Nonstop1h 41mUnited Airlines
Deal found 17-9S$ 213
Tue 30-922:19IAD - BOS
Nonstop1h 40mUnited Airlines
Fri 3-1005:30BOS - IAD
Nonstop1h 41mUnited Airlines
Deal found 17-9S$ 221
Fri 14-1122:07IAD - BOS
Nonstop1h 35mUnited Airlines
Mon 17-1105:30BOS - IAD
Nonstop1h 43mUnited Airlines
Deal found 17-9S$ 225
Tue 25-1122:07IAD - BOS
Nonstop1h 35mUnited Airlines
Tue 2-1205:30BOS - IAD
Nonstop1h 44mUnited Airlines
Deal found 16-9S$ 226

Find direct flights from Dulles Intl within your budget

 
Use the slider to find direct flights from Dulles Intl within your budget. Price data is based on user searches made on Cheapflights. Over the past seven days, Cheapflights users made 200,618 searches. This data was last updated on 18 September 2025.

Fly to

Singapore

Route

Depart

Return

Price

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Tue 4-11

09:00-10:38

Nonstop1h 38m

Boston Logan Intl

Tue 4-11

14:21-16:08

Nonstop1h 47m

S$ 199

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Thu 13-11

22:07-23:42

Nonstop1h 35m

Boston Logan Intl

Sun 16-11

05:30-07:13

Nonstop1h 43m

S$ 205

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Tue 30-9

22:19-23:59

Nonstop1h 40m

Boston Logan Intl

Fri 3-10

05:30-07:11

Nonstop1h 41m

S$ 221

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Fri 14-11

22:07-23:42

Nonstop1h 35m

Boston Logan Intl

Mon 17-11

05:30-07:13

Nonstop1h 43m

S$ 225

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Tue 16-12

22:06-23:41

Nonstop1h 35m

Boston Logan Intl

Wed 7-1

14:20-16:06

Nonstop1h 46m

S$ 232

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Wed 15-10

22:19-23:59

Nonstop1h 40m

Boston Logan Intl

Wed 22-10

05:30-07:11

Nonstop1h 41m

S$ 239

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Thu 18-12

22:17-23:54

Nonstop1h 37m

Boston Logan Intl

Wed 7-1

14:20-16:06

Nonstop1h 46m

S$ 239

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Sat 4-10

17:16-18:56

Nonstop1h 40m

Boston Logan Intl

Tue 7-10

05:30-07:11

Nonstop1h 41m

S$ 239

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Thu 18-12

22:17-23:54

Nonstop1h 37m

Boston Logan Intl

Mon 12-1

14:20-16:06

Nonstop1h 46m

S$ 239

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Tue 30-9

22:19-23:59

Nonstop1h 40m

Boston Logan Intl

Thu 2-10

05:30-07:11

Nonstop1h 41m

S$ 239

Flights are sorted by cheapest return flights first.

Deals found on 16-9

Showing 1-10 of 43 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.

Reviews of airlines flying direct to Dulles Intl

Get insights into the airlines that provide direct flights 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 an airline for your flight from Dulles Intl. Reviews last updated Cheapflights.
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
3,622 reviews
Check prices

Entertainment

7.4

Food

7.3

Overall

7.4

Comfort

7.4

Crew

7.9

Boarding

7.5

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
3,622 reviews
Qatar Airways
7.4
Good
3,622 reviews
Check prices

Entertainment

7.4

Food

7.3

Overall

7.4

Comfort

7.4

Crew

7.9

Boarding

7.5

Reviews

1 / 20
6.0
Good

Chris,Jul 2025

DFW - DOH

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

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 18 September 2025.

  • Where can you fly direct from Washington, D.C. Dulles Intl Airport?

    Currently, the most popular direct flight destination from Washington, D.C. Dulles Intl Airport is DuBois, Pennsylvania.

  • How much are direct flights from Washington, D.C. Dulles Intl Airport?

    On average, a one-way direct flight from Washington, D.C. Dulles Intl Airport will cost users approximately S$ 124. If you're looking for a direct round-trip flight from Washington, D.C. Dulles Intl Airport, you can expect to pay around S$ 281.

  • What is the best time of year to fly direct from Washington, D.C. Dulles Intl Airport?

    If you're seeking the lowest price on a direct flight from Washington, D.C. Dulles Intl Airport, August is worth consideration as prices are at their lowest, on average. In terms of the number of daily non-stop flights, January offers travelers the most options.

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