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S$ 96+ 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 10-12. 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
14 Dec — 21 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 14 November 2025.

Tue 13-122:12IAD - BOS
Nonstop1h 37mUnited Airlines
Wed 21-119:07BOS - IAD
Nonstop1h 46mUnited Airlines
Deal found 10-11S$ 178
Thu 25-1222:17IAD - BOS
Nonstop1h 37mUnited Airlines
Sat 3-109:30BOS - IAD
Nonstop1h 46mUnited Airlines
Deal found 11-11S$ 185
Thu 18-1212:43IAD - BOS
Nonstop1h 37mUnited Airlines
Sun 21-1205:20BOS - IAD
Nonstop1h 46mUnited Airlines
Deal found 11-11S$ 189
Fri 12-1222:06IAD - BOS
Nonstop1h 35mUnited Airlines
Sun 14-1205:30BOS - IAD
Nonstop1h 44mUnited Airlines
Deal found 12-11S$ 191
Wed 31-1217:10IAD - BOS
Nonstop1h 38mUnited Airlines
Sat 3-105:20BOS - IAD
Nonstop1h 46mUnited Airlines
Deal found 13-11S$ 192
Thu 1-122:17IAD - BOS
Nonstop1h 37mUnited Airlines
Sat 3-105:20BOS - IAD
Nonstop1h 46mUnited Airlines
Deal found 13-11S$ 198
Fri 19-1222:17IAD - BOS
Nonstop1h 37mUnited Airlines
Mon 22-1205:20BOS - IAD
Nonstop1h 46mUnited Airlines
Deal found 11-11S$ 202
Tue 2-1222:06IAD - BOS
Nonstop1h 35mUnited Airlines
Thu 4-1209:30BOS - IAD
Nonstop1h 44mUnited Airlines
Deal found 12-11S$ 204
Tue 2-1222:06IAD - BOS
Nonstop1h 35mUnited Airlines
Sat 6-1205:30BOS - IAD
Nonstop1h 44mUnited Airlines
Deal found 11-11S$ 212
Wed 24-1222:17IAD - BOS
Nonstop1h 37mUnited Airlines
Thu 25-1209:30BOS - IAD
Nonstop1h 46mUnited Airlines
Deal found 10-11S$ 216
Wed 10-1209:00IAD - BOS
Nonstop1h 38mUnited Airlines
Fri 12-1205:30BOS - IAD
Nonstop1h 44mUnited Airlines
Deal found 12-11S$ 217
Sat 13-1217:10IAD - BOS
Nonstop1h 38mUnited Airlines
Sun 4-105:20BOS - IAD
Nonstop1h 46mUnited Airlines
Deal found 13-11S$ 225

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 14 November 2025.

Fly to

Singapore

Route

Depart

Return

Price

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Thu 25-12

22:17-23:54

Nonstop1h 37m

Boston Logan Intl

Sat 3-1

09:30-11:16

Nonstop1h 46m

S$ 185

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Wed 28-1

12:40-14:17

Nonstop1h 37m

Boston Logan Intl

Thu 29-1

14:20-16:06

Nonstop1h 46m

S$ 185

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Thu 4-12

12:51-14:29

Nonstop1h 38m

Boston Logan Intl

Fri 5-12

19:07-20:54

Nonstop1h 47m

S$ 191

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Sun 1-2

09:00-10:36

Nonstop1h 36m

Boston Logan Intl

Mon 2-2

19:07-20:53

Nonstop1h 46m

S$ 191

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Fri 26-12

22:17-23:54

Nonstop1h 37m

Boston Logan Intl

Wed 31-12

05:20-07:06

Nonstop1h 46m

S$ 191

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Wed 10-12

22:06-23:41

Nonstop1h 35m

Boston Logan Intl

Thu 11-12

05:30-07:14

Nonstop1h 44m

S$ 191

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Sun 7-12

09:00-10:38

Nonstop1h 38m

Boston Logan Intl

Wed 10-12

05:30-07:14

Nonstop1h 44m

S$ 191

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Wed 31-12

17:10-18:48

Nonstop1h 38m

Boston Logan Intl

Sat 3-1

05:20-07:06

Nonstop1h 46m

S$ 192

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Thu 1-1

22:17-23:54

Nonstop1h 37m

Boston Logan Intl

Mon 5-1

14:15-16:01

Nonstop1h 46m

S$ 198

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Fri 19-12

22:17-23:54

Nonstop1h 37m

Boston Logan Intl

Mon 22-12

05:20-07:06

Nonstop1h 46m

S$ 202

Flights are sorted by cheapest return flights first.

Deals found on 13-11

Showing 1-10 of 45 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
3,662 reviews
Check prices

Comfort

7.4

Crew

7.9

Food

7.3

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
3,662 reviews
Qatar Airways
7.4
Good
3,662 reviews
Check prices

Comfort

7.4

Crew

7.9

Food

7.3

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

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 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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