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S$ 94+ 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 22-12. 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
21 Dec — 28 Dec1
1 adult
1 adult, Economy, 0 bags

Direct flights from Dulles Intl

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 21 November 2025.

Tue 27-112:40IAD - BOS
Nonstop1h 37mUnited Airlines
Tue 27-119:07BOS - IAD
Nonstop1h 46mUnited Airlines
Deal found 20-11S$ 179
Wed 14-112:40IAD - BOS
Nonstop1h 37mUnited Airlines
Sat 17-114:27BOS - IAD
Nonstop1h 46mUnited Airlines
Deal found 19-11S$ 186
Mon 15-1217:10IAD - BOS
Nonstop1h 38mUnited Airlines
Sun 21-1205:20BOS - IAD
Nonstop1h 46mUnited Airlines
Deal found 18-11S$ 190
Sat 13-1217:10IAD - BOS
Nonstop1h 38mUnited Airlines
Sun 14-1205:30BOS - IAD
Nonstop1h 44mUnited Airlines
Deal found 20-11S$ 192
Wed 24-1222:17IAD - BOS
Nonstop1h 37mUnited Airlines
Tue 6-105:20BOS - IAD
Nonstop1h 46mUnited Airlines
Deal found 19-11S$ 195
Tue 6-117:20IAD - BOS
Nonstop1h 37mUnited Airlines
Tue 13-109:30BOS - IAD
Nonstop1h 46mUnited Airlines
Deal found 19-11S$ 199
Thu 18-1209:00IAD - BOS
Nonstop1h 37mUnited Airlines
Sun 21-1205:20BOS - IAD
Nonstop1h 46mUnited Airlines
Deal found 19-11S$ 203
Tue 9-1209:00IAD - BOS
Nonstop1h 38mUnited Airlines
Sat 13-1205:30BOS - IAD
Nonstop1h 44mUnited Airlines
Deal found 19-11S$ 205
Fri 19-1222:17IAD - BOS
Nonstop1h 37mUnited Airlines
Mon 22-1205:20BOS - IAD
Nonstop1h 46mUnited Airlines
Deal found 20-11S$ 216
Wed 17-1217:12IAD - BOS
Nonstop1h 38mUnited Airlines
Thu 18-1205:20BOS - IAD
Nonstop1h 46mUnited Airlines
Deal found 20-11S$ 217
Wed 3-1209:00IAD - BOS
Nonstop1h 38mUnited Airlines
Wed 3-1219:07BOS - IAD
Nonstop1h 47mUnited Airlines
Deal found 19-11S$ 218
Thu 18-1222:17IAD - BOS
Nonstop1h 37mUnited Airlines
Thu 25-1205:20BOS - IAD
Nonstop1h 46mUnited Airlines
Deal found 18-11S$ 221

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 21 November 2025.

Fly to

Singapore

Route

Depart

Return

Price

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Tue 20-1

12:40-14:17

Nonstop1h 37m

Boston Logan Intl

Fri 23-1

14:20-16:06

Nonstop1h 46m

S$ 186

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Sun 18-1

17:20-18:57

Nonstop1h 37m

Boston Logan Intl

Tue 20-1

14:20-16:06

Nonstop1h 46m

S$ 186

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Wed 14-1

12:40-14:17

Nonstop1h 37m

Boston Logan Intl

Sat 17-1

14:27-16:13

Nonstop1h 46m

S$ 186

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Fri 23-1

17:20-18:57

Nonstop1h 37m

Boston Logan Intl

Tue 27-1

19:07-20:53

Nonstop1h 46m

S$ 186

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Thu 11-12

09:00-10:38

Nonstop1h 38m

Boston Logan Intl

Sun 14-12

05:30-07:14

Nonstop1h 44m

S$ 192

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Fri 12-12

22:06-23:41

Nonstop1h 35m

Boston Logan Intl

Sun 14-12

05:30-07:14

Nonstop1h 44m

S$ 192

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Sat 13-12

17:10-18:48

Nonstop1h 38m

Boston Logan Intl

Sun 14-12

05:30-07:14

Nonstop1h 44m

S$ 192

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Sat 13-12

17:10-18:48

Nonstop1h 38m

Boston Logan Intl

Mon 15-12

09:30-11:14

Nonstop1h 44m

S$ 192

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Wed 10-12

09:00-10:38

Nonstop1h 38m

Boston Logan Intl

Wed 10-12

19:07-20:54

Nonstop1h 47m

S$ 192

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Thu 18-12

12:43-14:20

Nonstop1h 37m

Boston Logan Intl

Sun 4-1

05:20-07:06

Nonstop1h 46m

S$ 205

Flights are sorted by cheapest return flights first.

Deals found on 18-11

Showing 1-10 of 44 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
3,664 reviews
Check prices

Boarding

7.5

Entertainment

7.4

Crew

7.9

Overall

7.4

Comfort

7.4

Food

7.3

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
3,664 reviews
Qatar Airways
7.4
Good
3,664 reviews
Check prices

Boarding

7.5

Entertainment

7.4

Crew

7.9

Overall

7.4

Comfort

7.4

Food

7.3

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 21 November 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 Abu Dhabi.

  • 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, February offers travelers the most options.

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