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Cheap flights to Dulles Intl from C$ 122

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 21/5. 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.
WAS — IAD
24 Mar — 31 Mar1
1 adult
Sun 24/3
Sun 31/3

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Cheapflights users frequently choose these airlines when searching for flights to Dulles Intl, based on our search results.
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Flights to Dulles Intl in 2024

Find the latest flights to Dulles Intl in 2024, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 525,491 searches and data was last updated on 19 March 2024.

Popular in

August

Cheapest in

April

Average price

C$ 322

Round-trip from

C$ 286

One-way from

C$ 173
High demand for flights, 5% potential price rise
Best time to find cheap flights, 1% potential price drop
Average for round-trip flights in March 2024
From Toronto to Washington, D.C.
One-way flight from Toronto to Washington, D.C. Dulles Intl (IAD)

Cheap flights to Dulles Intl Airport in March & April 2024

Discover affordable flights and deals to Dulles Intl Airport in March and April 2024. In the last 7 days, Cheapflights users made a total of 525,491 searches and data was last updated on 19 March 2024.
The below flights offer some of the lowest fares to Washington, D.C. in March and April 2024. Be sure to check back soon as deals update often.
Mon 29/45:45 a.m.BOS - IAD
Nonstop1h 42mUnited Airlines
Tue 30/410:01 p.m.IAD - BOS
Nonstop1h 37mUnited Airlines
Deal found 18/3C$ 242
Sat 13/49:38 p.m.LAX - IAD
Nonstop4h 47mAlaska Airlines
Tue 16/47:10 a.m.IAD - LAX
Nonstop5h 38mAlaska Airlines
Deal found 18/3C$ 253
Tue 16/46:25 a.m.BUF - IAD
1 stop5h 14mDelta
Wed 17/46:08 p.m.IAD - BUF
1 stop5h 48mDelta
Deal found 18/3C$ 265
Wed 24/45:45 a.m.BOS - IAD
Nonstop1h 42mUnited Airlines
Thu 25/48:50 a.m.IAD - BOS
Nonstop1h 36mUnited Airlines
Deal found 18/3C$ 269
Mon 25/39:15 a.m.BOS - IAD
Nonstop1h 46mUnited Airlines
Thu 28/38:53 a.m.IAD - BOS
Nonstop1h 33mUnited Airlines
Deal found 18/3C$ 275
Tue 2/45:45 a.m.BOS - IAD
Nonstop1h 42mUnited Airlines
Fri 5/410:01 p.m.IAD - BOS
Nonstop1h 37mUnited Airlines
Deal found 18/3C$ 280
Wed 24/49:25 a.m.BOS - IAD
Nonstop1h 42mUnited Airlines
Thu 25/46:00 a.m.IAD - BOS
1 stop4h 49mUnited Airlines
Deal found 18/3C$ 282
Sun 24/35:45 a.m.BOS - IAD
Nonstop1h 46mUnited Airlines
Sun 31/38:50 a.m.IAD - BOS
Nonstop1h 36mUnited Airlines
Deal found 17/3C$ 288
Mon 22/45:45 a.m.BOS - IAD
Nonstop1h 42mUnited Airlines
Thu 25/48:50 a.m.IAD - BOS
Nonstop1h 36mUnited Airlines
Deal found 18/3C$ 291

Dulles Intl Airport 2024 flight deals

Explore flight deals for Dulles Intl Airport in 2024, offering the best prices and options to suit your preferences. In the last 7 days, Cheapflights users made a total of 525,491 searches and data were last updated on 19 March 2024.
These are some of the best deals we've found on flights to Washington, D.C. in 2024 at this time. For more flight deals, be sure to check back very soon.
Mon 29/45:45 a.m.BOS - IAD
Nonstop1h 42mUnited Airlines
Tue 30/410:01 p.m.IAD - BOS
Nonstop1h 37mUnited Airlines
Deal found 18/3C$ 242
Sat 13/49:38 p.m.LAX - IAD
Nonstop4h 47mAlaska Airlines
Tue 16/47:10 a.m.IAD - LAX
Nonstop5h 38mAlaska Airlines
Deal found 18/3C$ 253
Tue 16/46:25 a.m.BUF - IAD
1 stop5h 14mDelta
Sat 20/45:05 p.m.IAD - BUF
1 stop7h 13mDelta
Deal found 18/3C$ 265
Sat 28/95:00 p.m.EWR - IAD
1 stop5h 43mDelta
Mon 30/910:05 a.m.IAD - EWR
1 stop5h 44mDelta
Deal found 18/3C$ 265
Wed 24/45:45 a.m.BOS - IAD
Nonstop1h 42mUnited Airlines
Thu 25/48:50 a.m.IAD - BOS
Nonstop1h 36mUnited Airlines
Deal found 18/3C$ 269
Mon 25/39:15 a.m.BOS - IAD
Nonstop1h 46mUnited Airlines
Thu 28/38:53 a.m.IAD - BOS
Nonstop1h 33mUnited Airlines
Deal found 18/3C$ 275
Wed 1/56:12 p.m.BUF - IAD
1 stop4h 39mDelta
Wed 8/54:59 p.m.IAD - BUF
1 stop6h 56mDelta
Deal found 17/3C$ 279
Sat 21/95:00 p.m.EWR - IAD
1 stop5h 43mDelta
Sat 28/95:15 p.m.IAD - EWR
1 stop5h 44mDelta
Deal found 17/3C$ 279
Tue 2/45:45 a.m.BOS - IAD
Nonstop1h 42mUnited Airlines
Sat 6/45:40 p.m.IAD - BOS
Nonstop1h 39mUnited Airlines
Deal found 18/3C$ 280

Flights to Dulles Intl Airport departing soon

Discover available last-minute flight options to Dulles Intl Airport, providing immediate availability and potentially lower prices. In the last 7 days, Cheapflights users made a total of 525,491 searches and data was last updated on 19 March 2024.
Users travelling to Washington, D.C. last-minute should check out these flights departing soon. Prices refresh often so be sure to come back soon for more deals.
Mon 25/39:15 a.m.BOS - IAD
Nonstop1h 46mUnited Airlines
Thu 28/38:53 a.m.IAD - BOS
Nonstop1h 33mUnited Airlines
Deal found 18/3C$ 275
Tue 26/39:15 a.m.BOS - IAD
Nonstop1h 46mUnited Airlines
Sat 30/38:53 a.m.IAD - BOS
Nonstop1h 33mUnited Airlines
Deal found 18/3C$ 280
Sun 24/35:45 a.m.BOS - IAD
Nonstop1h 46mUnited Airlines
Sun 31/38:50 a.m.IAD - BOS
Nonstop1h 36mUnited Airlines
Deal found 17/3C$ 288
Mon 25/39:15 a.m.BOS - IAD
Nonstop1h 46mUnited Airlines
Fri 29/35:40 p.m.IAD - BOS
1 stop4h 06mUnited Airlines
Deal found 18/3C$ 292
Sun 24/35:45 a.m.BOS - IAD
Nonstop1h 46mUnited Airlines
Sun 31/38:20 a.m.IAD - BOS
1 stop4h 21mUnited Airlines
Deal found 17/3C$ 301
Tue 26/33:10 p.m.BOS - IAD
1 stop6h 00mUnited Airlines
Sat 30/38:42 a.m.IAD - BOS
1 stop4h 00mUnited Airlines
Deal found 18/3C$ 306
Mon 25/34:10 p.m.BOS - IAD
1 stop5h 00mUnited Airlines
Tue 26/35:40 p.m.IAD - BOS
1 stop4h 19mUnited Airlines
Deal found 17/3C$ 340
Thu 28/39:15 a.m.BOS - IAD
Nonstop1h 46mUnited Airlines
Sun 31/38:50 a.m.IAD - BOS
Nonstop1h 36mUnited Airlines
Deal found 18/3C$ 341
Wed 27/310:40 a.m.BOS - IAD
1 stop5h 57mDelta
Sat 6/45:17 p.m.IAD - BOS
1 stop5h 13mDelta
Deal found 18/3C$ 353

One-way flights to Dulles Intl Airport

Explore one-way flight options to Dulles Intl Airport for greater flexibility in your travel plans. Find up-to-date pricing and availability for one-way flights. In the last 7 days, Cheapflights users made a total of 525,491 searches and data was last updated on 19 March 2024.
Take a look at some of the best available flights travelling to Washington, D.C. at this time. Reserve a round-trip flight to Washington, D.C. instead by utilizing the search form above.
Tue 21/55:45 a.m.BOS - IAD
Nonstop1h 42mUnited Airlines
Deal found 17/3C$ 122
Sat 13/49:38 p.m.LAX - IAD
Nonstop4h 47mAlaska Airlines
Deal found 18/3C$ 127
Wed 17/46:12 p.m.BUF - IAD
1 stop4h 39mDelta
Deal found 18/3C$ 133
Tue 16/46:00 a.m.EWR - IAD
1 stop5h 39mDelta
Deal found 17/3C$ 133
Tue 26/35:45 a.m.BOS - IAD
Nonstop1h 46mUnited Airlines
Deal found 18/3C$ 141
Fri 19/45:45 a.m.BOS - IAD
Nonstop1h 42mUnited Airlines
Deal found 17/3C$ 148
Thu 25/45:30 a.m.BOS - IAD
Nonstop1h 42mUnited Airlines
Deal found 18/3C$ 149
Tue 26/310:04 a.m.BOS - IAD
1 stop6h 14mUnited Airlines
Deal found 18/3C$ 153
Sun 30/66:05 a.m.BUF - IAD
1 stop3h 09mDelta
Deal found 17/3C$ 158

Direct flights to Dulles Intl Airport

Mon 29/45:45 a.m.BOS - IAD
Nonstop1h 42mUnited Airlines
Tue 30/410:01 p.m.IAD - BOS
Nonstop1h 37mUnited Airlines
Deal found 18/3C$ 242
Sat 13/49:38 p.m.LAX - IAD
Nonstop4h 47mAlaska Airlines
Tue 16/47:10 a.m.IAD - LAX
Nonstop5h 38mAlaska Airlines
Deal found 18/3C$ 253
Wed 24/45:45 a.m.BOS - IAD
Nonstop1h 42mUnited Airlines
Thu 25/48:50 a.m.IAD - BOS
Nonstop1h 36mUnited Airlines
Deal found 18/3C$ 269
Tue 2/45:45 a.m.BOS - IAD
Nonstop1h 42mUnited Airlines
Sat 6/45:40 p.m.IAD - BOS
Nonstop1h 39mUnited Airlines
Deal found 18/3C$ 280
Mon 22/45:45 a.m.BOS - IAD
Nonstop1h 42mUnited Airlines
Thu 25/48:50 a.m.IAD - BOS
Nonstop1h 36mUnited Airlines
Deal found 18/3C$ 291
Tue 6/85:30 a.m.BOS - IAD
Nonstop1h 41mUnited Airlines
Fri 9/810:20 p.m.IAD - BOS
Nonstop1h 38mUnited Airlines
Deal found 18/3C$ 295
Sun 5/55:45 a.m.BOS - IAD
Nonstop1h 42mUnited Airlines
Tue 7/58:50 a.m.IAD - BOS
Nonstop1h 36mUnited Airlines
Deal found 18/3C$ 296
Wed 17/410:35 p.m.LAX - IAD
Nonstop4h 50mAlaska Airlines
Wed 24/45:59 p.m.IAD - LAX
Nonstop5h 38mAlaska Airlines
Deal found 18/3C$ 301
Sat 13/49:38 p.m.LAX - IAD
Nonstop4h 47mAlaska Airlines
Thu 25/47:10 a.m.IAD - LAX
Nonstop5h 38mAlaska Airlines
Deal found 17/3C$ 307

Find flights to Dulles Intl within your budget

Locate flights to Dulles Intl that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 525,491 searches and data was last updated on 19 March 2024.

Fly from

Any airport

Budget

C$ 242 - C$ 435

Route

Depart

Return

Price

Boston Logan IntlWashington, D.C. Dulles Intl

BOS - IAD

BOSIAD

Boston Logan Intl

Mon 29/4

Nonstop1h 42m

Washington, D.C. Dulles Intl

Tue 30/4

Nonstop1h 37m

C$ 242

Los AngelesWashington, D.C. Dulles Intl

LAX - IAD

LAXIAD

Los Angeles

Sat 13/4

Nonstop4h 47m

Washington, D.C. Dulles Intl

Tue 16/4

Nonstop5h 38m

C$ 253

BuffaloWashington, D.C. Dulles Intl

BUF - IAD

BUFIAD

Buffalo

Tue 16/4

1 stop5h 14m

Washington, D.C. Dulles Intl

Wed 17/4

1 stop5h 48m

C$ 265

Boston Logan IntlWashington, D.C. Dulles Intl

BOS - IAD

BOSIAD

Boston Logan Intl

Wed 24/4

Nonstop1h 42m

Washington, D.C. Dulles Intl

Thu 25/4

Nonstop1h 36m

C$ 269

BuffaloWashington, D.C. Dulles Intl

BUF - IAD

BUFIAD

Buffalo

Wed 1/5

1 stop4h 39m

Washington, D.C. Dulles Intl

Wed 8/5

1 stop6h 56m

C$ 279

Los AngelesWashington, D.C. Dulles Intl

LAX - IAD

LAXIAD

Los Angeles

Tue 9/4

Nonstop4h 54m

Washington, D.C. Dulles Intl

Tue 16/4

Nonstop5h 38m

C$ 301

BuffaloWashington, D.C. Dulles Intl

BUF - IAD

BUFIAD

Buffalo

Fri 30/8

1 stop5h 56m

Washington, D.C. Dulles Intl

Tue 3/9

1 stop6h 28m

C$ 380

Boston Logan IntlWashington, D.C. Dulles Intl

BOS - IAD

BOSIAD

Boston Logan Intl

Sat 1/6

1 stop9h 17m

Washington, D.C. Dulles Intl

Mon 3/6

1 stop16h 58m

C$ 386

BuffaloWashington, D.C. Dulles Intl

BUF - IAD

BUFIAD

Buffalo

Fri 30/8

Nonstop1h 14m

Washington, D.C. Dulles Intl

Tue 3/9

1 stop4h 39m

C$ 435

Flights are sorted by cheapest first

Deals found on 18/3

Average price of flights to Dulles Intl Airport by month

Plan your trip to Dulles Intl by taking into account the cheapest months to travel. The average price of a one-way flight to Dulles Intl is currently C$ 140 while a round-trip flight costs C$ 312. Price data was last updated on 17 March 2024.

Currently, September is the cheapest month in which you can book a flight to Dulles Intl (average of C$ 251). Flying to Dulles Intl in July will prove the most costly (average of C$ 354). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

January

C$ 378

February

C$ 348

March

C$ 379

April

C$ 360

May

C$ 402

June

C$ 472

July

C$ 479

August

C$ 464

September

C$ 340

October

C$ 367

November

C$ 413

December

C$ 360

Temperature and rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature and rainfall totals by month.

WAS

Temperature

2 - 27 °C

If weather is an important factor for your trip to Dulles Intl, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

When is the best time to book a flight to Dulles Intl?

Use this chart to determine the optimal time to book a round-trip flight to Dulles Intl. Price data was last updated on 28 January 2024.
To ensure you get the cheapest price possible for a flight to Dulles Intl, you should look to book at least 88 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Search Deals

When is the cheapest time to fly to Dulles Intl?

Use this chart to determine the cheapest time to fly round-trip to Dulles Intl. Price data was last updated on 10 March 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Users looking for the lowest fares to Dulles Intl should consider flying on Thursday afternoons, when prices are typically cheapest. Budget-minded travellers will want to avoid Saturday at noon, when prices are usually at their highest.
Search Deals

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to 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 to Dulles Intl. Reviews last updated 19 March 2024.
See what other customers who have flown with United Airlines, Delta and WestJet Encore to Washington, D.C. have to say. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
11,551 reviews

Entertainment

8.1

Boarding

8.2

Comfort

7.9

Food

7.5

Overall

8.1

Crew

8.6

Reviews

1 / 10

It was a good experience other than a short delay.

8.1
Very good
11,551 reviews
8.1
Very good
11,551 reviews

Entertainment

8.1

Boarding

8.2

Comfort

7.9

Food

7.5

Overall

8.1

Crew

8.6

Reviews

1 / 10

It was a good experience other than a short delay.

7.6
Good
4,166 reviews
8.1
Very good
11,551 reviews

Entertainment

8.1

Boarding

8.2

Comfort

7.9

Food

7.5

Overall

8.1

Crew

8.6

Reviews

1 / 10

It was a good experience other than a short delay.

7.5
Good
3,066 reviews
8.1
Very good
11,551 reviews

Entertainment

8.1

Boarding

8.2

Comfort

7.9

Food

7.5

Overall

8.1

Crew

8.6

Reviews

1 / 10

It was a good experience other than a short delay.

7.4
Good
460 reviews
8.1
Very good
11,551 reviews

Entertainment

8.1

Boarding

8.2

Comfort

7.9

Food

7.5

Overall

8.1

Crew

8.6

Reviews

1 / 10

It was a good experience other than a short delay.

7.4
Good
11,602 reviews
8.1
Very good
11,551 reviews

Entertainment

8.1

Boarding

8.2

Comfort

7.9

Food

7.5

Overall

8.1

Crew

8.6

Reviews

1 / 10

It was a good experience other than a short delay.

Washington Dulles International Airport (IAD) handles close to 24 million passengers each year. This architecturally beautiful airport is situated 26 miles (42km) from downtown Washington DC and serves a metropolitan area that includes Washington, Baltimore and Northern Virginia.

Washington Dulles International Airport was named after John Foster Dulles who was a former US Secretary of State. The airport is well-connected to Washington and Virginia, and is also connected to more than 125 destinations around the world, making it a popular gateway to the eastern United States.

The airport has a range of shopping options including book shops, fashion, jewellery, gifts, gadgets and music. The duty-free shops at the Washington Dulles International Airport are well-stocked and the amenities are top-class.

The airport serves as a hub for United Airlines, however passengers can book flights to Washington Dulles International Airport on most major international and domestic airlines.

    Browse thousands of different options on Cheapflights for your next trip

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    Search flights to Dulles Intl by cabin class

    Find flights to Dulles Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.
    First Classfrom C$ 1,165/person
    Business Classfrom C$ 543/person
    Prem Econ Classfrom C$ 1,318/person
    Economy Classfrom C$ 146/person

    Fly with Cheapflights

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    How does Cheapflights help users find flights to Dulles Intl?

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

    Cheapflights simply makes it quick and affordable to book flights to 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 to Dulles Intl with no change fees?

    Certainly. Search results for flights to Dulles Intl shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

    Of course! You can track prices for flights to Dulles Intl and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals to set up your price alerts.