Find flights
Deals
When to book
Airlines
Travel Guide

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
22 Mar — 29 Mar1
1 adult
Fri 22/3
Fri 29/3

Find deals on flights to Dulles Intl by searching across hundreds of travel sites at once.

 
Cheapflights users frequently choose these airlines when searching for flights to Dulles Intl, based on our search results.
Cheapflights users frequently choose these airlines when searching for flights to Dulles Intl, based on our search results.
Here’s why our users search for flights through Cheapflights

Save over 18%Compare Cheapflights against other travel sites with one search.

Price trackingHolding out for a great deal? Get notified when prices are reduced.

Customized resultsFilter for flights based on cabin class, airline, free Wi-Fi, and more.

Unlimited free useSearch as many times as you want with no hidden charges or fees.

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 17 March 2024.

Popular in

August

Cheapest in

April

Average price

C$ 322

Round-trip from

C$ 286

One-way from

C$ 172
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 17 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 16/3C$ 242
Sat 13/41:05 p.m.LAX - IAD
Nonstop4h 54mAlaska Airlines
Tue 16/47:10 a.m.IAD - LAX
Nonstop5h 38mAlaska Airlines
Deal found 17/3C$ 253
Wed 24/49:25 a.m.BOS - IAD
Nonstop1h 42mUnited Airlines
Wed 29/58:40 a.m.IAD - BOS
Nonstop1h 40mUnited Airlines
Deal found 16/3C$ 256
Tue 2/45:45 a.m.BOS - IAD
Nonstop1h 42mUnited Airlines
Sat 6/48:15 a.m.IAD - BOS
Nonstop1h 34mUnited Airlines
Deal found 16/3C$ 261
Tue 16/46:25 a.m.BUF - IAD
1 stop5h 14mDelta
Wed 17/46:08 p.m.IAD - BUF
1 stop5h 48mDelta
Deal found 17/3C$ 265
Wed 17/46:25 a.m.BUF - IAD
1 stop5h 14mDelta
Thu 18/45:05 p.m.IAD - BUF
1 stop7h 13mDelta
Deal found 16/3C$ 267
Wed 24/49:25 a.m.BOS - IAD
Nonstop1h 42mUnited Airlines
Wed 29/56:14 a.m.IAD - BOS
1 stop3h 50mUnited Airlines
Deal found 16/3C$ 268
Wed 24/45:45 a.m.BOS - IAD
Nonstop1h 42mUnited Airlines
Thu 25/48:50 a.m.IAD - BOS
Nonstop1h 36mUnited Airlines
Deal found 17/3C$ 269
Tue 2/43:15 p.m.BOS - IAD
1 stop5h 27mUnited Airlines
Sat 6/48:15 a.m.IAD - BOS
Nonstop1h 34mUnited Airlines
Deal found 16/3C$ 274

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 17 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 16/3C$ 242
Wed 1/510:35 p.m.LAX - IAD
Nonstop4h 50mAlaska Airlines
Sat 4/57:10 a.m.IAD - LAX
Nonstop5h 38mAlaska Airlines
Deal found 17/3C$ 253
Wed 24/49:25 a.m.BOS - IAD
Nonstop1h 42mUnited Airlines
Wed 29/58:40 a.m.IAD - BOS
Nonstop1h 40mUnited Airlines
Deal found 16/3C$ 256
Tue 2/45:45 a.m.BOS - IAD
Nonstop1h 42mUnited Airlines
Sat 6/48:15 a.m.IAD - BOS
Nonstop1h 34mUnited Airlines
Deal found 16/3C$ 261
Tue 16/46:25 a.m.BUF - IAD
1 stop5h 14mDelta
Wed 17/46:08 p.m.IAD - BUF
1 stop5h 48mDelta
Deal found 17/3C$ 265
Wed 17/46:25 a.m.BUF - IAD
1 stop5h 14mDelta
Thu 18/45:05 p.m.IAD - BUF
1 stop7h 13mDelta
Deal found 16/3C$ 267
Wed 24/49:25 a.m.BOS - IAD
Nonstop1h 42mUnited Airlines
Wed 29/56:14 a.m.IAD - BOS
1 stop3h 50mUnited Airlines
Deal found 16/3C$ 268
Wed 24/45:45 a.m.BOS - IAD
Nonstop1h 42mUnited Airlines
Thu 25/48:50 a.m.IAD - BOS
Nonstop1h 36mUnited Airlines
Deal found 16/3C$ 269
Tue 2/43:15 p.m.BOS - IAD
1 stop5h 27mUnited Airlines
Sat 6/48:15 a.m.IAD - BOS
Nonstop1h 34mUnited Airlines
Deal found 16/3C$ 274

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 17 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 28/310:26 p.m.IAD - BOS
Nonstop1h 33mUnited Airlines
Deal found 16/3C$ 280
Sun 24/35:45 a.m.BOS - IAD
Nonstop1h 46mUnited Airlines
Tue 26/310:26 p.m.IAD - BOS
Nonstop1h 33mUnited Airlines
Deal found 16/3C$ 288
Mon 25/37:28 p.m.BOS - IAD
Nonstop1h 47mUnited Airlines
Thu 28/38:42 a.m.IAD - BOS
1 stop4h 00mUnited Airlines
Deal found 16/3C$ 292
Sun 24/39:15 a.m.BOS - IAD
Nonstop1h 46mUnited Airlines
Sun 31/39:12 a.m.IAD - BOS
1 stop5h 28mUnited Airlines
Deal found 16/3C$ 301
Tue 26/33:10 p.m.BOS - IAD
1 stop6h 00mUnited Airlines
Wed 27/38:42 a.m.IAD - BOS
1 stop6h 27mUnited Airlines
Deal found 16/3C$ 306
Sun 24/35:45 a.m.BOS - IAD
Nonstop1h 46mUnited Airlines
Tue 26/35:40 p.m.IAD - BOS
1 stop4h 19mUnited Airlines
Deal found 16/3C$ 334
Mon 25/312:04 p.m.BOS - IAD
1 stop4h 14mUnited Airlines
Tue 26/35:40 p.m.IAD - BOS
1 stop4h 19mUnited Airlines
Deal found 16/3C$ 340
Wed 27/310:40 a.m.BOS - IAD
1 stop5h 57mDelta
Sat 30/312:06 p.m.IAD - BOS
1 stop4h 27mDelta
Deal found 17/3C$ 353
Sun 24/36:00 a.m.BOS - IAD
1 stop6h 34mDelta
Wed 27/312:06 p.m.IAD - BOS
1 stop4h 27mDelta
Deal found 16/3C$ 360

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 17 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
Wed 1/510:35 p.m.LAX - IAD
Nonstop4h 50mAlaska Airlines
Deal found 17/3C$ 127
Sat 11/56:05 p.m.BTV - IAD
1 stop4h 47mDelta
Deal found 16/3C$ 133
Wed 17/46:00 a.m.EWR - IAD
1 stop5h 39mDelta
Deal found 16/3C$ 133
Sat 23/37:28 p.m.BOS - IAD
Nonstop1h 47mUnited Airlines
Deal found 16/3C$ 141
Fri 19/45:45 a.m.BOS - IAD
Nonstop1h 42mUnited Airlines
Deal found 16/3C$ 148
Thu 18/45:30 a.m.BOS - IAD
Nonstop1h 42mUnited Airlines
Deal found 16/3C$ 149
Sat 23/312:31 p.m.BOS - IAD
1 stop3h 47mUnited Airlines
Deal found 16/3C$ 153
Wed 10/75:20 a.m.BUF - IAD
1 stop6h 59mDelta
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 16/3C$ 242
Wed 1/510:35 p.m.LAX - IAD
Nonstop4h 50mAlaska Airlines
Sat 4/57:10 a.m.IAD - LAX
Nonstop5h 38mAlaska Airlines
Deal found 16/3C$ 253
Wed 24/49:25 a.m.BOS - IAD
Nonstop1h 42mUnited Airlines
Wed 29/58:40 a.m.IAD - BOS
Nonstop1h 40mUnited Airlines
Deal found 16/3C$ 256
Tue 2/45:45 a.m.BOS - IAD
Nonstop1h 42mUnited Airlines
Sat 6/48:15 a.m.IAD - BOS
Nonstop1h 34mUnited Airlines
Deal found 16/3C$ 261
Wed 24/45:45 a.m.BOS - IAD
Nonstop1h 42mUnited Airlines
Thu 25/48:50 a.m.IAD - BOS
Nonstop1h 36mUnited Airlines
Deal found 17/3C$ 269
Tue 2/49:25 a.m.BOS - IAD
Nonstop1h 42mUnited Airlines
Fri 5/410:01 p.m.IAD - BOS
Nonstop1h 37mUnited Airlines
Deal found 17/3C$ 280
Thu 6/65:45 a.m.BOS - IAD
Nonstop1h 41mUnited Airlines
Tue 11/610:23 p.m.IAD - BOS
Nonstop1h 36mUnited Airlines
Deal found 16/3C$ 295
Sat 27/45:45 a.m.BOS - IAD
Nonstop1h 42mUnited Airlines
Mon 29/410:01 p.m.IAD - BOS
Nonstop1h 37mUnited Airlines
Deal found 16/3C$ 297
Tue 9/411:05 a.m.LAX - IAD
Nonstop4h 54mAlaska Airlines
Wed 10/44:55 p.m.IAD - LAX
Nonstop5h 55mAlaska Airlines
Deal found 16/3C$ 301

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 17 March 2024.

Fly from

Any airport

Budget

C$ 242 - C$ 471

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 54m

Washington, D.C. Dulles Intl

Tue 16/4

Nonstop5h 38m

C$ 253

Boston Logan IntlWashington, D.C. Dulles Intl

BOS - IAD

BOSIAD

Boston Logan Intl

Wed 24/4

Nonstop1h 42m

Washington, D.C. Dulles Intl

Wed 29/5

Nonstop1h 40m

C$ 256

Boston Logan IntlWashington, D.C. Dulles Intl

BOS - IAD

BOSIAD

Boston Logan Intl

Tue 2/4

Nonstop1h 42m

Washington, D.C. Dulles Intl

Sat 6/4

Nonstop1h 34m

C$ 261

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

BuffaloWashington, D.C. Dulles Intl

BUF - IAD

BUFIAD

Buffalo

Wed 17/4

1 stop5h 14m

Washington, D.C. Dulles Intl

Thu 18/4

1 stop7h 13m

C$ 267

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$ 301

Seattle/Tacoma IntlWashington, D.C. Dulles Intl

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

Sun 21/4

1 stop14h 37m

Washington, D.C. Dulles Intl

Wed 24/4

1 stop7h 55m

C$ 359

BuffaloWashington, D.C. Dulles Intl

BUF - IAD

BUFIAD

Buffalo

Sat 18/5

Nonstop1h 19m

Washington, D.C. Dulles Intl

Sat 25/5

Nonstop1h 21m

C$ 471

Flights are sorted by cheapest first

Deals found on 16/3

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$ 297. 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$ 473

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 17 March 2024.
See what other customers who have flown with United Airlines, Porter Airlines and Air Canada 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
11,574 reviews

Entertainment

8.1

Comfort

7.9

Crew

8.6

Food

7.5

Overall

8.1

Boarding

8.2

Reviews

1 / 10

It was a good experience other than a short delay.

8.1
Very good
11,574 reviews
8.1
Very good
11,574 reviews

Entertainment

8.1

Comfort

7.9

Crew

8.6

Food

7.5

Overall

8.1

Boarding

8.2

Reviews

1 / 10

It was a good experience other than a short delay.

7.6
Good
4,177 reviews
8.1
Very good
11,574 reviews

Entertainment

8.1

Comfort

7.9

Crew

8.6

Food

7.5

Overall

8.1

Boarding

8.2

Reviews

1 / 10

It was a good experience other than a short delay.

7.5
Good
3,064 reviews
8.1
Very good
11,574 reviews

Entertainment

8.1

Comfort

7.9

Crew

8.6

Food

7.5

Overall

8.1

Boarding

8.2

Reviews

1 / 10

It was a good experience other than a short delay.

7.4
Good
467 reviews
8.1
Very good
11,574 reviews

Entertainment

8.1

Comfort

7.9

Crew

8.6

Food

7.5

Overall

8.1

Boarding

8.2

Reviews

1 / 10

It was a good experience other than a short delay.

7.4
Good
11,628 reviews
8.1
Very good
11,574 reviews

Entertainment

8.1

Comfort

7.9

Crew

8.6

Food

7.5

Overall

8.1

Boarding

8.2

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

    Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

    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$ 994/person
    Business Classfrom C$ 543/person
    Prem Econ Classfrom C$ 1,195/person
    Economy Classfrom C$ 143/person

    Fly with Cheapflights

    Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

    How does Cheapflights help users find flights to Dulles Intl?

    900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Dulles Intl today with Cheapflights!

    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.