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Dulles Intl

$68+ 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 8/23. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — IAD
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
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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 junio 12, 2025.

Round-trip from

$106
(Cheapflightsfares)

One-way from

$68
(Kiwi.com)

Popular in

December

Cheapest in

April

Average price

$227

Good round-trip deal

$70 or less

Good one-way deal

$32 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. 16% potential increase in price ($47 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 June 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 junio 12, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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.
mar. 7/110:15 pmATL - IAD
Nonstop1h 49mFrontier
mié. 7/26:10 amIAD - ATL
Nonstop1h 58mFrontier
Deal found 6/11$106
This Cheapflightsfares deal was found by Cheapflights users on 6/12. 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.
jue. 8/146:05 amDFW - IAD
Nonstop3h 02mFrontier
sáb. 8/2312:57 pmIAD - DFW
Nonstop3h 17mFrontier
Deal found 6/12$121
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/56:45 pmDFW - IAD
Nonstop3h 01mAmerican Airlines
sáb. 8/96:27 amIAD - DFW
Nonstop3h 10mAmerican Airlines
Deal found 6/11$144
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 7/127:30 amDFW - IAD
Nonstop3h 02mUnited Airlines
mar. 7/155:45 pmIAD - DFW
Nonstop3h 18mUnited Airlines
Deal found 6/10$149
This United Airlines deal was found by Cheapflights users on 6/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/149:31 pmORD - IAD
Nonstop1h 59mUnited Airlines
lun. 8/1810:19 pmIAD - ORD
Nonstop2h 11mUnited Airlines
Deal found 6/11$157
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/139:30 amBOS - IAD
Nonstop1h 40mUnited Airlines
lun. 8/185:10 pmIAD - BOS
Nonstop1h 46mUnited Airlines
Deal found 6/10$161
This CheapOair deal was found by Cheapflights users on 6/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/205:45 pmORD - IAD
1 stop5h 10mFrontier
jue. 9/258:06 pmIAD - ORD
1 stop17h 51mFrontier
Deal found 6/10$171
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/2411:31 amBOS - IAD
1 stop8h 49mAllegiant Air
lun. 7/283:13 pmIAD - BOS
1 stop18h 02mAllegiant Air
Deal found 6/11$175
This Southwest deal was found by Cheapflights users on 6/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/198:20 amDEN - IAD
Nonstop3h 20mSouthwest
sáb. 8/235:05 pmIAD - DEN
Nonstop3h 50mSouthwest
Deal found 6/9$177
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/225:50 pmORD - IAD
1 stop18h 14mMultiple Airlines
dom. 8/244:56 pmIAD - ORD
1 stop24h 52mMultiple Airlines
Deal found 6/10$178
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/1011:31 amBOS - IAD
1 stop8h 49mMultiple Airlines
jue. 8/1411:04 amIAD - BOS
1 stop23h 35mMultiple Airlines
Deal found 6/11$179
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/246:00 amORD - IAD
1 stop4h 57mDelta
mar. 9/306:00 amIAD - ORD
1 stop5h 03mDelta
Deal found 6/10$197

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 junio 12, 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

AtlantaWashington, D.C.

ATL - IAD

ATLIAD

Atlanta Hartsfield-Jackson

mar. 7/1

10:15 pm-12:04 am

Nonstop1h 49m

Washington, D.C. Dulles Intl

mié. 7/2

6:10 am-8:08 am

Nonstop1h 58m

$106

DallasWashington, D.C.

DFW - IAD

DFWIAD

Dallas/Fort Worth

jue. 8/14

6:05 am-10:07 am

Nonstop3h 02m

Washington, D.C. Dulles Intl

sáb. 8/23

12:57 pm-3:14 pm

Nonstop3h 17m

$121

DallasWashington, D.C.

DFW - IAD

DFWIAD

Dallas/Fort Worth

mar. 8/5

6:45 pm-10:46 pm

Nonstop3h 01m

Washington, D.C. Dulles Intl

sáb. 8/9

6:27 am-8:37 am

Nonstop3h 10m

$144

DallasWashington, D.C.

DFW - IAD

DFWIAD

Dallas/Fort Worth

sáb. 7/12

7:30 am-11:32 am

Nonstop3h 02m

Washington, D.C. Dulles Intl

mar. 7/15

5:45 pm-8:03 pm

Nonstop3h 18m

$149

ChicagoWashington, D.C.

ORD - IAD

ORDIAD

Chicago O'Hare Intl

jue. 8/14

9:31 pm-12:30 am

Nonstop1h 59m

Washington, D.C. Dulles Intl

lun. 8/18

10:19 pm-11:30 pm

Nonstop2h 11m

$157

AtlantaWashington, D.C.

ATL - IAD

ATLIAD

Atlanta Hartsfield-Jackson

dom. 7/6

5:30 am-7:16 am

Nonstop1h 46m

Washington, D.C. Dulles Intl

dom. 7/13

10:05 pm-11:59 pm

Nonstop1h 54m

$157

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

mié. 8/13

9:30 am-11:10 am

Nonstop1h 40m

Washington, D.C. Dulles Intl

lun. 8/18

5:10 pm-6:56 pm

Nonstop1h 46m

$161

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

jue. 7/24

11:31 am-8:20 pm

1 stop8h 49m

Washington, D.C. Dulles Intl

lun. 7/28

3:13 pm-9:15 am

1 stop18h 02m

$175

DenverWashington, D.C.

DEN - IAD

DENIAD

Denver Intl

mar. 8/19

8:20 am-1:40 pm

Nonstop3h 20m

Washington, D.C. Dulles Intl

sáb. 8/23

5:05 pm-6:55 pm

Nonstop3h 50m

$177

ChicagoWashington, D.C.

ORD - IAD

ORDIAD

Chicago O'Hare Intl

vie. 8/22

5:50 pm-1:04 pm

1 stop18h 14m

Washington, D.C. Dulles Intl

dom. 8/24

4:56 pm-4:48 pm

1 stop24h 52m

$178

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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, August is the cheapest month in which you can book a flight from North America to Washington, D.C. Dulles Intl Airport (average of $309). Flying from North America to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $349). 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 junio 12, 2025.

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

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 junio 12, 2025.

The most flights from 0NA to IAD are scheduled on a Thursday (38 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (11 on average).

Rainfall in Dulles Intl by month

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

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.

Temperature in Dulles Intl by month

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

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).

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 junio 12, 2025.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Qatar Airways
7.4
Good
3,584 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • 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 $68 on Frontier. Other airlines that offer cheap prices include American Airlines from $69 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 Los Angeles - Washington, D.C. Dulles Intl, San Francisco - Washington, D.C. Dulles Intl and Dallas/Fort Worth - 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 Iberia (100%), Air China (95%) and Egyptair (93%).

  • 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 $113. While the most popular route (Los Angeles - Washington, D.C. Dulles Intl) can be booked for $181 on average our data indicates $1,084 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, August is the cheapest month in which you can book a flight from North America to Washington, D.C. Dulles Intl Airport (average of $309). Flying from North America to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $349). 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 North America?

Book flights to North America if you plan to visit one of these locations
Arlington
Alexandria
Woodbridge
Tysons
Silver Spring
Linthicum Heights
Fredericksburg
Gaithersburg
Fairfax
Falls Church
Easton
Herndon
Towson
Sterling
Bowie
Rockville
Reston
National Harbor
Springfield
Manassas

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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 Baltimore flights
Los Angeles to Reagan-National flights
Los Angeles to Dulles Intl flights
Boston to Reagan-National flights
Dallas/Fort Worth to Reagan-National flights
Boston to Baltimore flights
San Francisco to Dulles Intl flights
Los Angeles to Baltimore flights
Dallas/Fort Worth to Dulles Intl flights
Atlanta to Dulles Intl flights
Seattle to Dulles Intl flights
O'Hare Intl to Dulles Intl flights
O'Hare Intl to Reagan-National flights
Boston to Dulles Intl flights
San Francisco to Reagan-National flights
Atlanta to Reagan-National flights
Hobby to Baltimore flights
San Francisco to Baltimore flights
Seattle to Baltimore flights
Seattle to Reagan-National flights
Denver to Baltimore flights
Atlanta to Baltimore flights
Hobby to Reagan-National flights
O'Hare Intl to Baltimore flights
Hobby to Dulles Intl flights
Orlando to Reagan-National flights
Orlando to Baltimore flights
Denver to Reagan-National flights
Ontario to Dulles Intl flights
Denver to Dulles Intl flights
George Bush Intcntl to Baltimore flights
Tampa to Baltimore flights
George Bush Intcntl to Dulles Intl flights
San Diego to Dulles Intl flights
Orlando to Dulles Intl flights
Tampa to Dulles Intl flights
Minneapolis to Dulles Intl flights
Midway to Dulles Intl flights
Fort Lauderdale to Baltimore flights
George Bush Intcntl to Reagan-National flights
Detroit to Reagan-National flights
Fort Lauderdale to Dulles Intl flights
John F Kennedy Intl to Reagan-National flights
Miami to Dulles Intl flights
Miami to Reagan-National flights
Burbank to Baltimore flights
Miami to Baltimore flights
Detroit to Baltimore flights
Minneapolis to Baltimore flights
Newark to Dulles Intl flights

Top 10 airlines flying from North America to Dulles Intl

Discover the top 10 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$36Average$167FlexibilityNo cancel feeOn-time65%
FrontierCheapest$54Average$190FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$73Average$261FlexibilityNo cancel feeOn-time62%
DeltaCheapest$109Average$316FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$113Average$347FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$137Average$368FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$206Average$389FlexibilityNo cancel feeOn-time75%
Sun Country AirCheapest$208Average$524FlexibilityNo cancel feeOn-time83%
SouthwestCheapest$218Average$429FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$254Average$458FlexibilityNo cancel feeOn-time71%

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