What are the cheapest airlines to fly from North America to Washington, D.C. Dulles Intl Airport one-way?

One-way options have recently been found by users for as low as $61 on Frontier. Other airlines that offer cheap prices include Breeze Airways from $67 and United Airlines from $69 one-way.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

What are the most popular routes from North America to Washington, D.C. Dulles Intl Airport?

The most popular flight routes from North America to Washington, D.C. Dulles Intl Airport are San Francisco - Washington, D.C. Dulles Intl, Dallas/Fort Worth - Washington, D.C. Dulles Intl and Houston Hobby - Washington, D.C. Dulles Intl.

What are the cheapest flights from North America to Washington, D.C. Dulles Intl Airport?

Looking at all options, your cheapest flight can be booked for $138. While the most popular route (San Francisco - Washington, D.C. Dulles Intl) can be booked for $257 on average our data indicates $1,334 when flying from North America to Washington, D.C. Dulles Intl Airport.

What are the most reliable airlines from North America to Washington, D.C. Dulles Intl Airport?

The top 3 most reliable airlines when flying from North America to Washington, D.C. Dulles Intl Airport are Egyptair (90%), Singapore Airlines (89%) and Qatar Airways (87%).

What are the most popular airlines that fly from North America to Washington, D.C. Dulles Intl Airport?

Before booking your flight from North America to Washington, D.C. Dulles Intl Airport check out the most popular airlines for this route: American Airlines, Alaska Airlines or Delta.

How far in advance should I book a flight from North America to Washington, D.C. Dulles Intl Airport?

Travelers have found it’s best to book a flight 27 days in advance to save up to 188% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 27 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from North America to Washington, D.C. Dulles Intl Airport 1-2 weeks in advance for as low as $308, or $451 for flights within the next 24 hours.

What is the cheapest month to fly from North America to Washington, D.C. Dulles Intl Airport?

Our data shows that April tends to be the cheapest month to fly to Washington, D.C. Dulles Intl Airport from North America. Users have commonly found prices around $229 for the month, but tickets can be as low as $91. Due to multiple factors, prepare for potentially higher prices in December.

Can I find deals for flights from North America to Dulles Intl that include hotel bookings?

Yes. In addition to deals on North America to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from North America to Dulles Intl?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from North America to Dulles Intl.

Can I find deals for business class flights from North America to Dulles Intl?

Yes. Cheapflights offers flight deals from North America to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$61+ Flights from North America to Washington, D.C. Dulles Intl Airport

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Cheap flight deals from North America to Dulles Intl

Round-trip from	$95 (Cheapflightsfares)
One-way from	$61 (eDestinos)
Popular in	December
Cheapest in	April
Average price	$218
Good round-trip deal	$60 or less
Good one-way deal	$30 or less

From North America to Washington, D.C. Dulles Intl

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One-way flight from North America to Washington, D.C. Dulles Intl

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Highest demand for flights based on searches. 17% potential increase in price ($50 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).

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Average for round-trip flights in August 2025

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Price to beat on a round-trip flight from North America to Washington, D.C. Dulles Intl.

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Price to beat on a one-way flight from North America to Washington, D.C. Dulles Intl.

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Find flight deals from North America to Dulles Intl

Cheapest flights from North America to Dulles Intl
Explore the most affordable flight options available from North America to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 2, 2025.

Sat 10/112:27 pmATL - IAD

Nonstop1h 46mFrontier

Wed 10/157:25 amIAD - ATL

Nonstop1h 58mFrontier

Deal found 7/31

$95

Sun 8/316:27 pmMCO - IAD

Nonstop2h 21mFrontier

Thu 10/308:28 pmIAD - MCO

Nonstop2h 21mFrontier

Deal found 8/1

$96

Sat 8/167:25 amDFW - IAD

Nonstop3h 02mFrontier

Thu 8/2110:22 amIAD - DFW

Nonstop3h 17mFrontier

Deal found 7/31

$123

Tue 9/99:00 amMCO - IAD

Nonstop2h 12mUnited Airlines

Tue 9/910:33 pmIAD - MCO

Nonstop2h 22mUnited Airlines

Deal found 7/31

$127

Tue 9/1612:10 pmDFW - IAD

Nonstop3h 02mUnited Airlines

Tue 9/165:20 pmIAD - DFW

Nonstop3h 16mUnited Airlines

Deal found 8/1

$134

Sat 10/42:46 pmATL - IAD

Nonstop1h 41mDelta

Tue 10/710:11 amIAD - ATL

Nonstop1h 51mDelta

Deal found 7/31

$137

Tue 9/236:49 pmDFW - IAD

Nonstop2h 56mAmerican Airlines

Tue 9/306:25 amIAD - DFW

Nonstop3h 12mAmerican Airlines

Deal found 8/2

$139

Sat 8/305:30 amBOS - IAD

Nonstop1h 40mUnited Airlines

Wed 9/33:55 pmIAD - BOS

Nonstop1h 39mUnited Airlines

Deal found 7/30

$144

Sat 8/236:27 pmMCO - IAD

Nonstop2h 21mMultiple Airlines

Wed 8/278:25 amIAD - MCO

Nonstop2h 22mMultiple Airlines

Deal found 8/1

$151

Thu 8/1411:31 amBOS - IAD

1 stop8h 51mAllegiant Air

Mon 8/183:13 pmIAD - BOS

1 stop18h 01mAllegiant Air

Deal found 7/31

$190

Sat 8/166:00 amBOS - IAD

1 stop11h 14mFrontier

Sat 8/239:33 pmIAD - BOS

1 stop11h 02mFrontier

Deal found 8/2

$198

Tue 8/262:40 pmORD - IAD

1 stop5h 59mFrontier

Wed 9/39:30 amIAD - ORD

1 stop6h 04mFrontier

Deal found 8/2

$198

Best flights from North America to Dulles Intl
Discover carefully curated flight deals from North America to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 2, 2025.

Sat 10/112:27 pmATL - IAD

Nonstop1h 46mFrontier

Wed 10/157:25 amIAD - ATL

Nonstop1h 58mFrontier

Deal found 7/31

$95

Tue 9/99:00 amMCO - IAD

Nonstop2h 12mUnited Airlines

Tue 9/910:33 pmIAD - MCO

Nonstop2h 22mUnited Airlines

Deal found 7/31

$127

Sat 10/42:46 pmATL - IAD

Nonstop1h 41mDelta

Tue 10/710:11 amIAD - ATL

Nonstop1h 51mDelta

Deal found 7/31

$137

Tue 9/236:49 pmDFW - IAD

Nonstop2h 56mAmerican Airlines

Tue 9/306:25 amIAD - DFW

Nonstop3h 12mAmerican Airlines

Deal found 8/2

$139

Sat 8/236:27 pmMCO - IAD

Nonstop2h 21mMultiple Airlines

Wed 8/278:25 amIAD - MCO

Nonstop2h 22mMultiple Airlines

Deal found 8/1

$151

Thu 8/1411:31 amBOS - IAD

1 stop8h 51mAllegiant Air

Mon 8/183:13 pmIAD - BOS

1 stop18h 01mAllegiant Air

Deal found 7/31

$190

Sun 8/316:27 pmMCO - IAD

Nonstop2h 21mFrontier

Thu 10/308:28 pmIAD - MCO

Nonstop2h 21mFrontier

Deal found 8/1

$96

Sat 8/304:20 pmSEA - IAD

Nonstop5h 00mAlaska Airlines

Tue 9/27:00 amIAD - SEA

Nonstop5h 40mAlaska Airlines

Deal found 7/31

$257

Sat 8/305:40 amLAX - IAD

1 stop7h 40mSouthwest

Sun 8/316:05 pmIAD - LAX

1 stop7h 10mSouthwest

Deal found 8/1

$267

Tue 9/1612:10 pmDFW - IAD

Nonstop3h 02mUnited Airlines

Tue 9/165:20 pmIAD - DFW

Nonstop3h 16mUnited Airlines

Deal found 8/1

$134

Sat 8/167:25 amDFW - IAD

Nonstop3h 02mFrontier

Thu 8/2110:22 amIAD - DFW

Nonstop3h 17mFrontier

Deal found 7/31

$123

Sat 8/304:20 pmSEA - IAD

Nonstop5h 00mHawaiian Airlines

Fri 9/57:00 amIAD - SEA

Nonstop5h 40mHawaiian Airlines

Deal found 7/31

$275

Last-minute flights from North America to Dulles Intl
Discover last-minute flight deals from North America to Dulles Intl. Data last updated August 2, 2025 and is based on user searches.

Thu 8/76:00 amBOS - IAD

1 stop11h 14mFrontier

Sat 8/309:33 pmIAD - BOS

1 stop11h 02mFrontier

Deal found 7/31

$208

Thu 8/711:31 amBOS - IAD

1 stop8h 49mMultiple Airlines

Thu 8/1411:04 amIAD - BOS

2 stops22h 35mMultiple Airlines

Deal found 7/30

$236

Sat 8/91:23 pmATL - IAD

Nonstop1h 49mFrontier

Tue 8/126:10 amIAD - ATL

Nonstop2h 07mFrontier

Deal found 7/31

$103

Sat 8/95:01 amORD - IAD

1 stop9h 11mFrontier

Sat 8/164:07 pmIAD - ORD

1 stop8h 22mFrontier

Deal found 7/31

$198

Mon 8/116:05 amDFW - IAD

Nonstop3h 02mFrontier

Sat 8/1612:27 pmIAD - DFW

Nonstop3h 17mFrontier

Deal found 7/31

$144

Mon 8/1110:26 amMCO - IAD

Nonstop2h 16mFrontier

Thu 8/141:29 pmIAD - MCO

Nonstop2h 37mFrontier

Deal found 8/1

$179

Mon 8/118:27 amMCO - IAD

1 stop5h 56mMultiple Airlines

Thu 8/1411:04 amIAD - MCO

1 stop11h 43mMultiple Airlines

Deal found 7/31

$219

Mon 8/118:00 amMCO - IAD

Nonstop2h 11mUnited Airlines

Fri 8/1512:40 pmIAD - MCO

Nonstop2h 25mUnited Airlines

Deal found 7/31

$257

Mon 8/117:00 amDFW - IAD

Nonstop3h 01mAmerican Airlines

Tue 9/26:27 amIAD - DFW

Nonstop3h 10mAmerican Airlines

Deal found 7/31

$258

Tue 8/124:40 pmIAH - IAD

1 stop6h 39mFrontier

Sat 8/305:37 pmIAD - IAH

1 stop6h 19mFrontier

Deal found 8/2

$198

Tue 8/125:30 amBOS - IAD

Nonstop1h 34mUnited Airlines

Sun 9/710:20 pmIAD - BOS

Nonstop1h 39mUnited Airlines

Deal found 8/1

$223

Tue 8/123:48 pmLAX - IAD

1 stop11h 46mFrontier

Tue 8/196:14 amIAD - LAX

1 stop16h 38mFrontier

Deal found 8/1

$258

One-way flights from North America to Dulles Intl
Search for one-way flight options from North America to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated August 2, 2025.

Sat 8/99:30 pmATL - IAD

Nonstop1h 56mFrontier

Deal found 8/2

$61

Thu 8/286:27 pmMCO - IAD

Nonstop2h 21mFrontier

Deal found 7/31

$64

Sat 8/238:00 amDFW - IAD

Nonstop3h 02mFrontier

Deal found 8/1

$66

Tue 9/28:00 amMCO - IAD

Nonstop2h 11mUnited Airlines

Deal found 7/31

$69

Wed 9/1012:46 pmATL - IAD

Nonstop1h 45mDelta

Deal found 7/31

$69

Sat 11/112:10 pmDFW - IAD

Nonstop2h 50mUnited Airlines

Deal found 7/31

$70

Tue 9/237:00 amDFW - IAD

Nonstop2h 57mAmerican Airlines

Deal found 8/2

$71

Thu 9/47:35 pmATL - IAD

Nonstop1h 50mUnited Airlines

Deal found 7/31

$79

Sat 9/69:30 amBOS - IAD

Nonstop1h 43mUnited Airlines

Deal found 8/1

$85

Thu 8/1411:31 amBOS - IAD

1 stop8h 51mAllegiant Air

Deal found 8/1

$86

Mon 8/258:52 amMCO - IAD

1 stop6h 31mAllegiant Air

Deal found 7/31

$87

Sat 8/3010:24 pmMCO - IAD

1 stop12h 20mMultiple Airlines

Deal found 7/31

$90

Cheapflights Fare Finder

Use the filters below to find and compare flights from North America to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

AtlantaWashington, D.C.

ATL - IAD

ATLIAD

Atlanta Hartsfield-Jackson

Sat 10/11

2:27 pm-4:13 pm

Nonstop1h 46m

Washington, D.C. Dulles Intl

Wed 10/15

7:25 am-9:23 am

Nonstop1h 58m

$95

OrlandoWashington, D.C.

MCO - IAD

MCOIAD

Orlando

Sun 8/31

6:27 pm-8:48 pm

Nonstop2h 21m

Washington, D.C. Dulles Intl

Thu 10/30

8:28 pm-10:49 pm

Nonstop2h 21m

$96

DallasWashington, D.C.

DFW - IAD

DFWIAD

Dallas/Fort Worth

Sat 8/16

7:25 am-11:27 am

Nonstop3h 02m

Washington, D.C. Dulles Intl

Thu 8/21

10:22 am-12:39 pm

Nonstop3h 17m

$123

OrlandoWashington, D.C.

MCO - IAD

MCOIAD

Orlando

Tue 9/9

9:00 am-11:12 am

Nonstop2h 12m

Washington, D.C. Dulles Intl

Tue 9/9

10:33 pm-12:55 am

Nonstop2h 22m

$127

DallasWashington, D.C.

DFW - IAD

DFWIAD

Dallas/Fort Worth

Tue 9/16

12:10 pm-4:12 pm

Nonstop3h 02m

Washington, D.C. Dulles Intl

Tue 9/16

5:20 pm-7:36 pm

Nonstop3h 16m

$134

AtlantaWashington, D.C.

ATL - IAD

ATLIAD

Atlanta Hartsfield-Jackson

Sat 10/4

2:46 pm-4:27 pm

Nonstop1h 41m

Washington, D.C. Dulles Intl

Tue 10/7

10:11 am-12:02 pm

Nonstop1h 51m

$137

DallasWashington, D.C.

DFW - IAD

DFWIAD

Dallas/Fort Worth

Tue 9/23

6:49 pm-10:45 pm

Nonstop2h 56m

Washington, D.C. Dulles Intl

Tue 9/30

6:25 am-8:37 am

Nonstop3h 12m

$139

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Sat 8/30

5:30 am-7:10 am

Nonstop1h 40m

Washington, D.C. Dulles Intl

Wed 9/3

3:55 pm-5:34 pm

Nonstop1h 39m

$144

OrlandoWashington, D.C.

MCO - IAD

MCOIAD

Orlando

Sat 8/23

6:27 pm-8:48 pm

Nonstop2h 21m

Washington, D.C. Dulles Intl

Wed 8/27

8:25 am-10:47 am

Nonstop2h 22m

$151

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Thu 8/14

11:31 am-8:22 pm

1 stop8h 51m

Washington, D.C. Dulles Intl

Mon 8/18

3:13 pm-9:14 am

1 stop18h 01m

$190

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/2

Showing 1-10 of 60 results

...

Best time to book a flight from North America to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from North America with our price prediction graph.

Estimated round-trip 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.

Cheapflights Insights

Everything you need to know about your flight from North America to Washington, D.C. Dulles Intl Airport

What is the cheapest month to book a flight from North America to Washington, D.C. Dulles Intl Airport?

Currently, July is the cheapest month in which you can book a flight from North America to Washington, D.C. Dulles Intl Airport (average of $306). Flying from North America to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from NA to IAD?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from North America to Washington, D.C. Dulles Intl Airport as you normally would.

Weekly flight availability from North America to Washington, D.C. Dulles Intl Airport

The most flights from 0NA to IAD are scheduled on a Friday (33 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (21 on average).

Reviews of airlines servicing Dulles Intl

See what other customers who have flown with Alaska Airlines, Southwest, and Delta from North America to Washington, D.C. Dulles Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Alaska Airlines

8.0

Very good

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Southwest

8.0

Very good

4,246 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Delta

8.0

Very good

7,983 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Breeze Airways

8.0

Very good

191 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Hawaiian Airlines

7.8

Good

2,611 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

What are the cheapest airlines to fly from North America to Washington, D.C. Dulles Intl Airport one-way?
One-way options have recently been found by users for as low as $61 on Frontier. Other airlines that offer cheap prices include Breeze Airways from $67 and United Airlines from $69 one-way.
What are the most popular routes from North America to Washington, D.C. Dulles Intl Airport?
The most popular flight routes from North America to Washington, D.C. Dulles Intl Airport are San Francisco - Washington, D.C. Dulles Intl, Dallas/Fort Worth - Washington, D.C. Dulles Intl and Houston Hobby - Washington, D.C. Dulles Intl.
What are the most reliable airlines from North America to Washington, D.C. Dulles Intl Airport?
The top 3 most reliable airlines when flying from North America to Washington, D.C. Dulles Intl Airport are Egyptair (90%), Singapore Airlines (89%) and Qatar Airways (87%).
What are the cheapest flights from North America to Washington, D.C. Dulles Intl Airport?
Looking at all options, your cheapest flight can be booked for $138. While the most popular route (San Francisco - Washington, D.C. Dulles Intl) can be booked for $257 on average our data indicates $1,334 when flying from North America to Washington, D.C. Dulles Intl Airport.
Can I find deals for flights from North America to Dulles Intl that include hotel bookings?
Yes. In addition to deals on North America to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from North America to Dulles Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from North America to Dulles Intl.
Can I find deals for business class flights from North America to Dulles Intl?
Yes. Cheapflights offers flight deals from North America to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from North America to Washington, D.C. Dulles Intl Airport?
Currently, July is the cheapest month in which you can book a flight from North America to Washington, D.C. Dulles Intl Airport (average of $306). Flying from North America to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Woodbridge

Arlington

Alexandria

Tysons

Silver Spring

Fredericksburg

Gaithersburg

Towson

Linthicum Heights

Easton

Fairfax

Manassas

Falls Church

Waldorf

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Rockville

Oxon Hill

National Harbor

Dundalk

Bowie

Browse thousands of different options on Cheapflights for your next trip

Top 10 airlines flying from North America to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$36	Average$147	FlexibilityNo cancel fee	On-time65%
Frontier	Cheapest$57	Average$195	FlexibilityNo cancel fee	On-time62%
JetBlue	Cheapest$68	Average$346	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$100	Average$313	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$130	Average$342	FlexibilityNo cancel fee	On-time69%
Hawaiian Airlines	Cheapest$138	Average$362	FlexibilityNo cancel fee	On-time85%
American Airlines	Cheapest$172	Average$398	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$190	Average$381	FlexibilityNo cancel fee	On-time63%
Alaska Airlines	Cheapest$206	Average$381	FlexibilityNo cancel fee	On-time75%
Sun Country Air	Cheapest$218	Average$279	FlexibilityNo cancel fee	On-time83%

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$61+ Cheap flights from North America to Dulles Intl (IAD)

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 8/9. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from North America to Dulles Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from North America to Dulles Intl

Keep the following information in mind while searching for North America to Dulles Intl flight deals. Data was last updated August 2, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from North America to Dulles Intl

Cheapest flights from North America to Dulles IntlExplore the most affordable flight options available from North America to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 2, 2025.

Explore the most affordable flight options available from North America to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 2, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from North America to Washington, D.C. Dulles Intl Airport that are best for you.

Best time to book a flight from North America to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from North America with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from North America to Washington, D.C. Dulles Intl Airport

What is the cheapest month to book a flight from North America to Washington, D.C. Dulles Intl Airport?

What is the cheapest time of day to fly from NA to IAD?

Find hourly flight availability from North America to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 2, 2025.

Weekly flight availability from North America to Washington, D.C. Dulles Intl Airport

Reviews of airlines servicing Dulles Intl

See what other customers who have flown with Alaska Airlines, Southwest, and Delta from North America to Washington, D.C. Dulles Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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Cheapest flights from North America to Dulles Intl
Explore the most affordable flight options available from North America to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 2, 2025.