HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dulles Intl

$515+ Cheap flights from Aguascalientes, Mexico (AGU) to Dulles Intl (IAD)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
AGU — IAD
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Aguascalientes to Dulles Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Aguascalientes to Dulles Intl

Cheapest flights from Aguascalientes to Dulles Intl
Explore the most affordable flight options available from Aguascalientes to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.

This American Airlines deal was found by Cheapflights users on 1/25. 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.
Wed 3/116:01 am
AGU
-
IAD
1 stop14h 52m
American Airlines
Wed 3/186:00 am
IAD
-
AGU
1 stop17h 43m
American Airlines
Deal found 1/25$515
This Aeromexico deal was found by Cheapflights users on 1/25. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/119:01 pm
AGU
-
IAD
1 stop15h 49m
Aeromexico
Wed 3/186:00 am
IAD
-
AGU
2 stops12h 26m
Aeromexico
Deal found 1/25$531
This American Airlines deal was found by Cheapflights users on 1/25. 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.
Sat 3/146:01 am
AGU
-
IAD
2 stops29h 31m
American Airlines
Wed 3/189:19 am
IAD
-
AGU
2 stops14h 24m
American Airlines
Deal found 1/25$540
This Aeromexico deal was found by Cheapflights users on 1/25. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/66:14 am
AGU
-
IAD
1 stop6h 31m
Aeromexico
Tue 3/107:18 am
IAD
-
AGU
2 stops14h 39m
Aeromexico
Deal found 1/25$552
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Sat 3/146:50 am
AGU
-
IAD
1 stop15h 01m
United Airlines
Wed 3/1810:05 pm
IAD
-
AGU
1 stop14h 57m
United Airlines
Deal found 1/27$557
This United Airlines deal was found by Cheapflights users on 1/25. 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.
Fri 3/66:10 am
AGU
-
IAD
1 stop16h 41m
United Airlines
Tue 3/1010:05 pm
IAD
-
AGU
1 stop14h 57m
United Airlines
Deal found 1/25$558
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Sun 5/3112:55 pm
AGU
-
IAD
1 stop7h 48m
United Airlines
Sun 7/510:06 pm
IAD
-
AGU
1 stop15h 53m
United Airlines
Deal found 1/27$636
This Aeromexico deal was found by Cheapflights users on 1/27. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/318:50 pm
AGU
-
IAD
1 stop16h 20m
Aeromexico
Sun 7/56:00 am
IAD
-
AGU
2 stops10h 22m
Aeromexico
Deal found 1/27$839

Find flight deals from Aguascalientes to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Aguascalientes (AGU) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 27, 2026.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$515
(American Airlines)

Popular in

January

Cheapest in

September

Average price

$737
Provider with most accurate pricing for Aguascalients-Washington, D.C. Dulles Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Aguascalients-Washington, D.C. Dulles Intl flights.
Search Deals
From Aguascalients to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($46 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Aguascalientes 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 January 27, 2026.
Use the filters below to find and compare flights from Aguascalientes to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Aguascalientes

Fly to

Dulles Intl

Route

Depart

Return

Price

AguascalientesWashington, D.C.

AGU - IAD

AGUIAD

Aguascalients

Wed 3/11

6:01 am-10:53 pm

1 stop14h 52m

Washington, D.C. Dulles Intl

Wed 3/18

6:00 am-9:43 pm

1 stop17h 43m

$515

AguascalientesWashington, D.C.

AGU - IAD

AGUIAD

Aguascalients

Wed 3/11

9:01 pm-2:50 pm

1 stop15h 49m

Washington, D.C. Dulles Intl

Wed 3/18

6:00 am-4:26 pm

2 stops12h 26m

$531

AguascalientesWashington, D.C.

AGU - IAD

AGUIAD

Aguascalients

Sat 3/14

6:01 am-8:48 am

2 stops24h 47m

Washington, D.C. Dulles Intl

Wed 3/18

6:00 am-11:48 am

1 stop7h 48m

$540

AguascalientesWashington, D.C.

AGU - IAD

AGUIAD

Aguascalients

Fri 3/6

8:33 pm-1:45 pm

1 stop16h 12m

Washington, D.C. Dulles Intl

Tue 3/10

6:01 am-7:57 pm

2 stops15h 56m

$552

AguascalientesWashington, D.C.

AGU - IAD

AGUIAD

Aguascalients

Sat 3/14

6:50 am-11:51 pm

1 stop15h 01m

Washington, D.C. Dulles Intl

Wed 3/18

10:05 pm-11:02 am

1 stop14h 57m

$557

AguascalientesWashington, D.C.

AGU - IAD

AGUIAD

Aguascalients

Sat 3/14

6:31 am-7:19 pm

2 stops10h 48m

Washington, D.C. Dulles Intl

Wed 3/18

6:00 am-8:26 pm

2 stops16h 26m

$557

AguascalientesWashington, D.C.

AGU - IAD

AGUIAD

Aguascalients

Fri 3/6

12:45 pm-11:51 pm

1 stop10h 06m

Washington, D.C. Dulles Intl

Tue 3/10

10:05 pm-11:02 am

1 stop14h 57m

$558

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

  • Most accurate provider: When it comes to deals on Aguascalientes-Washington, D.C. Dulles Intl Airport flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Aguascalientes-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. Expedia <90% of the time. Price accuracy is based on data collected from Aguascalientes-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Aguascalientes-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Aguascalientes-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Aguascalientes to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Aguascalientes 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.

Related info for your journey

Find useful and relevant information for your journey from Aguascalientes 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 airport do you fly from for flights from Aguascalientes to Washington, D.C. Dulles Intl?

    Aguascalients (AGU), located 12.4 mi from the city center, is the airport you fly out of when you book flights from Aguascalientes to Washington, D.C. Dulles Intl. 0 airlines have flights from Aguascalients to Washington, D.C. Dulles Intl on a regular basis. Booking flights from Aguascalients to Washington, D.C. Dulles Intl should not be difficult; the airport handles an average of 0 outbound flights to Washington, D.C. Dulles Intl per day.

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

    There are many flights that can get you from Aguascalientes to Washington, D.C. Dulles Intl Airport in 14h 52m. Fly via American Airlines or Aeromexico to get the fastest option. The distance from Aguascalientes to Washington, D.C. Dulles Intl Airport is about 1890 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Aguascalientes to Dulles Intl that include hotel bookings?

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

  • How can I find direct flights from Aguascalientes to Dulles Intl?

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

  • Can I find deals for business class flights from Aguascalientes to Dulles Intl?

    Yes. Cheapflights offers flight deals from Aguascalientes 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.

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
Owings Mills
Springfield
Silver Spring
Herndon
Fredericksburg
Hanover
Linthicum Heights
Rockville
Laurel
Towson
Manassas
Largo
Bowie
McLean
Clinton
Upper Marlboro

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.

Alternative routes for Aguascalientes to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
Aguascalientes to Reagan-National flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.