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Dulles Intl

$43+ 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 11/14. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — IAD
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
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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 November 3, 2025.

This Frontier deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/72:37 pmATL - IAD
Nonstop1h 47mFrontier
Sun 12/145:45 amIAD - ATL
Nonstop2h 11mFrontier
Deal found 11/1$76
This Frontier deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/72:37 pmATL - IAD
Nonstop1h 47mFrontier
Wed 12/109:00 amIAD - ATL
Nonstop2h 11mFrontier
Deal found 11/2$78
This Frontier deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/158:43 amATL - IAD
1 stop6h 22mFrontier
Mon 12/156:58 pmIAD - ATL
Nonstop2h 13mFrontier
Deal found 11/2$79
This Cheapflightsfares deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/119:20 pmATL - IAD
Nonstop1h 50mFrontier
Sun 1/115:35 amIAD - ATL
Nonstop2h 11mFrontier
Deal found 10/31$80
This Frontier deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/153:35 pmATL - IAD
Nonstop1h 50mFrontier
Thu 12/187:11 pmIAD - ATL
Nonstop2h 19mFrontier
Deal found 11/2$83
This Frontier deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/410:40 pmATL - IAD
1 stop9h 51mFrontier
Sun 12/75:45 amIAD - ATL
Nonstop2h 11mFrontier
Deal found 11/2$84
This Frontier deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/69:15 pmATL - IAD
Nonstop1h 50mFrontier
Fri 12/125:19 pmIAD - ATL
Nonstop2h 14mFrontier
Deal found 11/2$85
This Flightnetwork deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/72:37 pmATL - IAD
Nonstop1h 47mFrontier
Mon 12/86:58 pmIAD - ATL
Nonstop2h 13mFrontier
Deal found 11/2$88
This Frontier deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/204:28 pmATL - IAD
Nonstop1h 48mFrontier
Tue 12/305:37 pmIAD - ATL
Nonstop2h 14mFrontier
Deal found 11/1$92
This Cheapflightsfares deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/132:48 pmATL - IAD
Nonstop1h 46mFrontier
Mon 11/175:58 pmIAD - ATL
Nonstop1h 58mFrontier
Deal found 11/2$93
This Cheapflightsfares deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2110:03 amATL - IAD
Nonstop1h 53mFrontier
Sun 12/285:55 pmIAD - ATL
Nonstop2h 14mFrontier
Deal found 11/2$96
This Priceline deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/116:10 amTPA - IAD
Nonstop2h 16mFrontier
Thu 12/117:18 pmIAD - TPA
1 stop4h 58mFrontier
Deal found 11/3$117

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 November 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$76
(Frontier)

One-way from

$43
(Kiwi.com)

Popular in

December

Cheapest in

April

Average price

$239

Good round-trip deal

$60 or less

Good one-way deal

$43 or less
Provider with most accurate pricing for New York (NYC)-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for New York (NYC)-Washington, D.C. (WAS) flights.
Search Deals
From North America to Washington, D.C. Dulles Intl
Search Deals
One-way flight from North America to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($55 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from North America to Washington, D.C. Dulles Intl.
Search Deals
Price to beat on a one-way flight from North America to Washington, D.C. Dulles Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from North America to Dulles Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 3, 2025.
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

North America

Fly to

Dulles Intl

Route

Depart

Return

Price

TampaWashington, D.C.

TPA - IAD

TPAIAD

Tampa

Thu 12/11

6:10 am-8:26 am

Nonstop2h 16m

Washington, D.C. Dulles Intl

Thu 12/11

7:18 pm-12:16 am

1 stop4h 58m

$117

TampaWashington, D.C.

TPA - IAD

TPAIAD

Tampa

Mon 1/26

11:20 am-4:32 pm

1 stop5h 12m

Washington, D.C. Dulles Intl

Fri 1/30

5:20 pm-11:48 pm

1 stop6h 28m

$124

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Mon 11/24

5:30 am-7:13 am

Nonstop1h 43m

Washington, D.C. Dulles Intl

Wed 11/26

10:07 pm-11:42 pm

Nonstop1h 35m

$142

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Wed 2/4

7:07 pm-8:53 pm

Nonstop1h 46m

Washington, D.C. Dulles Intl

Sun 2/8

12:40 pm-2:17 pm

Nonstop1h 37m

$142

TampaWashington, D.C.

TPA - IAD

TPAIAD

Tampa

Sun 11/16

7:55 pm-10:09 pm

Nonstop2h 14m

Washington, D.C. Dulles Intl

Mon 11/17

5:58 pm-11:40 pm

1 stop5h 42m

$147

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Sun 11/16

5:30 am-7:13 am

Nonstop1h 43m

Washington, D.C. Dulles Intl

Tue 11/18

9:00 am-10:38 am

Nonstop1h 38m

$147

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Wed 12/10

5:30 am-7:14 am

Nonstop1h 44m

Washington, D.C. Dulles Intl

Thu 12/11

10:06 pm-11:41 pm

Nonstop1h 35m

$147

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Fri 12/5

5:30 am-7:14 am

Nonstop1h 44m

Washington, D.C. Dulles Intl

Sat 12/6

9:00 am-10:39 am

Nonstop1h 39m

$147

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Tue 12/2

5:30 am-7:14 am

Nonstop1h 44m

Washington, D.C. Dulles Intl

Thu 12/4

10:06 pm-11:41 pm

Nonstop1h 35m

$147

AtlantaWashington, D.C.

ATL - IAD

ATLIAD

Atlanta Hartsfield-Jackson

Sun 12/7

9:50 am-11:35 am

Nonstop1h 45m

Washington, D.C. Dulles Intl

Sun 12/7

7:35 pm-9:39 pm

Nonstop2h 04m

$157

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/3

Showing 1-10 of 60 results
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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, March is the cheapest month in which you can book a flight from North America to Washington, D.C. Dulles Intl Airport (average of $37). Flying from North America to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $70). 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?

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 November 3, 2025.

When flying from North America to Washington, D.C. Dulles Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 35% versus a flight at noon.

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

Use this chart to determine the cheapest time to fly round-trip from North America to Dulles Intl. Price data was last updated on November 2, 2025.

Travelers seeking maximum savings on their North America to Washington, D.C. Dulles Intl Airport flight should consider departing on Friday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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

Explore weekly flight availability from North America to Dulles Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated November 3, 2025.

The most flights from 0NA to IAD are scheduled on a Sunday (32 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (11 on average).

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 November 3, 2025.
See what other customers who have flown with Alaska Airlines, Delta, and United Airlines 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
11,236 reviews

Entertainment

7.0

Crew

8.5

Boarding

8.1

Food

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Alaska Airlines
8.0
Very good
11,236 reviews
Alaska Airlines
8.0
Very good
11,236 reviews

Entertainment

7.0

Crew

8.5

Boarding

8.1

Food

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Delta
7.9
Good
8,002 reviews
Alaska Airlines
8.0
Very good
11,236 reviews

Entertainment

7.0

Crew

8.5

Boarding

8.1

Food

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
United Airlines
7.4
Good
8,997 reviews
Alaska Airlines
8.0
Very good
11,236 reviews

Entertainment

7.0

Crew

8.5

Boarding

8.1

Food

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
American Airlines
7.2
Good
11,038 reviews
Alaska Airlines
8.0
Very good
11,236 reviews

Entertainment

7.0

Crew

8.5

Boarding

8.1

Food

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Frontier
5.8
Fair
3,117 reviews
Alaska Airlines
8.0
Very good
11,236 reviews

Entertainment

7.0

Crew

8.5

Boarding

8.1

Food

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.

Related info for your journey

Find useful and relevant information for your journey from North America to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from North America to Washington, D.C. Dulles Intl Airport?

    A quick flight from North America to Washington, D.C. Dulles Intl Airport can take about 1h 43m. Frontier provides one of the quickest options available for as low as $142. The distance between North America and Washington, D.C. Dulles Intl Airport is about 411 mi. Most flights are nonstop.

  • 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 $54 on Frontier. Other airlines that offer cheap prices include United Airlines from $69 and Delta from $99 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 Dallas/Fort Worth - Washington, D.C. Dulles Intl, Atlanta Hartsfield-Jackson - Washington, D.C. Dulles Intl and Los Angeles - 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 (100%), Air China (99%) and Ethiopian Air (97%).

  • 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 $145. While the most popular route (Dallas/Fort Worth - Washington, D.C. Dulles Intl) can be booked for $110 on average, our data indicates $1,028 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, March is the cheapest month in which you can book a flight from North America to Washington, D.C. Dulles Intl Airport (average of $37). Flying from North America to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $70). 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

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Arlington
Springfield
Hanover
Silver Spring
Fairfax
Fredericksburg
Falls Church
Owings Mills
Linthicum Heights
Manassas
Largo
Oxon Hill
Laurel
Towson
National Harbor
Waldorf
Bowie

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Alternative routes for North America to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to Dulles Intl flights
Dallas/Fort Worth to Reagan-National flights
Los Angeles to Reagan-National flights
Boston to Baltimore flights
Dallas/Fort Worth to Baltimore flights
O'Hare Intl to Baltimore flights
Atlanta to Dulles Intl flights
Los Angeles to Dulles Intl flights
Seattle to Reagan-National flights
Seattle to Dulles Intl flights
O'Hare Intl to Dulles Intl flights
Boston to Reagan-National flights
O'Hare Intl to Reagan-National flights
Los Angeles to Baltimore flights
San Francisco to Reagan-National flights
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Atlanta to Reagan-National flights
San Francisco to Dulles Intl flights
Hobby to Dulles Intl flights
Hobby to Baltimore flights
Hobby to Reagan-National flights
San Francisco to Baltimore flights
Detroit to Dulles Intl flights
Atlanta to Baltimore flights
Orlando to Reagan-National flights
Fort Lauderdale to Baltimore flights
Seattle to Baltimore flights
Tampa to Dulles Intl flights
Denver to Dulles Intl flights
Detroit to Baltimore flights
Midway to Baltimore flights
George Bush Intcntl to Dulles Intl flights
Denver to Baltimore flights
George Bush Intcntl to Reagan-National flights
John F Kennedy Intl to Dulles Intl flights
Midway to Dulles Intl flights
Frankfurt to Dulles Intl flights
Minneapolis to Baltimore flights
Miami to Dulles Intl flights
Denver to Reagan-National flights
George Bush Intcntl to Baltimore flights
Orlando to Baltimore flights
Orlando to Dulles Intl flights
Detroit to Reagan-National flights
Minneapolis to Reagan-National flights
John F Kennedy Intl to Reagan-National flights
Fort Lauderdale to Dulles Intl flights
Tampa to Reagan-National flights
Miami to Reagan-National flights
Heathrow to Dulles Intl flights

Top 9 airlines flying from North America to Dulles Intl

Discover the top 9 airlines that operate flights from North America to Dulles Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$36Average$144FlexibilityNo cancel feeOn-time65%
FrontierCheapest$53Average$201FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$68Average$287FlexibilityNo cancel feeOn-time62%
DeltaCheapest$84Average$290FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$117Average$327FlexibilityNo cancel feeOn-time69%
Hawaiian AirlinesCheapest$138Average$364FlexibilityNo cancel feeOn-time85%
American AirlinesCheapest$172Average$386FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$177Average$366FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$227Average$380FlexibilityNo cancel feeOn-time75%

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