HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Aguascalientes

$213+ Cheap flights from Dulles Intl (IAD) to Aguascalientes, Mexico (AGU)

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 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — AGU
Aug 22 — Aug 291
Sat 8/22
Sat 8/29
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dulles Intl to Aguascalientes 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 Dulles Intl to Aguascalientes

Cheapest flights from Dulles Intl to Aguascalientes
Explore the most affordable flight options available from Dulles Intl to Aguascalientes. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 23, 2026.

This Justfly.com deal was found by Cheapflights users on 7/21. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/187:24 pm
IAD
-
AGU
2 stops45h 16m
Frontier
Tue 8/253:32 pm
AGU
-
IAD
2 stops23h 42m
Frontier
Deal found 7/21$491
This American Airlines deal was found by Cheapflights users on 7/19. 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 9/26:09 am
IAD
-
AGU
1 stop17h 18m
American Airlines
Wed 9/96:17 am
AGU
-
IAD
1 stop12h 07m
American Airlines
Deal found 7/19$617
This Aeromexico deal was found by Cheapflights users on 7/20. 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.
Tue 9/84:53 pm
IAD
-
AGU
1 stop8h 08m
Aeromexico
Tue 9/156:17 am
AGU
-
IAD
1 stop7h 02m
Aeromexico
Deal found 7/20$657
This Aeromexico deal was found by Cheapflights users on 7/18. 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.
Tue 9/86:20 am
IAD
-
AGU
2 stops15h 25m
Aeromexico
Sun 9/208:22 pm
AGU
-
IAD
1 stop16h 57m
Aeromexico
Deal found 7/18$662
This United Airlines deal was found by Cheapflights users on 7/20. 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.
Thu 9/36:30 am
IAD
-
AGU
1 stop7h 29m
United Airlines
Thu 9/1012:55 pm
AGU
-
IAD
1 stop9h 35m
United Airlines
Deal found 7/20$672
This American Airlines deal was found by Cheapflights users on 7/21. 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.
Tue 8/182:53 pm
IAD
-
AGU
1 stop8h 34m
American Airlines
Tue 8/256:18 am
AGU
-
IAD
2 stops25h 39m
American Airlines
Deal found 7/21$677
This Delta deal was found by Cheapflights users on 7/21. 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.
Tue 9/83:15 pm
IAD
-
AGU
2 stops9h 46m
Delta
Sun 9/206:17 am
AGU
-
IAD
2 stops13h 27m
Delta
Deal found 7/21$692
This Aeromexico deal was found by Cheapflights users on 7/22. 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.
Sat 10/174:53 pm
IAD
-
AGU
1 stop16h 52m
Aeromexico
Sat 11/76:15 am
AGU
-
IAD
1 stop6h 30m
Aeromexico
Deal found 7/22$697
This Delta deal was found by Cheapflights users on 7/19. 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.
Sat 10/176:00 am
IAD
-
AGU
2 stops15h 45m
Delta
Sat 11/76:15 am
AGU
-
IAD
1 stop6h 30m
Delta
Deal found 7/19$702
This American Airlines deal was found by Cheapflights users on 7/19. 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 10/177:13 pm
IAD
-
AGU
1 stop28h 58m
American Airlines
Sat 11/76:52 am
AGU
-
IAD
1 stop7h 56m
American Airlines
Deal found 7/19$728

Find flight deals from Dulles Intl to Aguascalientes

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Aguascalientes (AGU). 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 July 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$491
(Justfly.com)

One-way from

$213
(Kiwi.com)

Popular in

December

Cheapest in

March

Average price

$890
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Aguascalients flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Aguascalients flights.
Search Deals
From Washington, D.C. Dulles Intl to Aguascalients
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Aguascalients
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($98 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($39 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Aguascalientes 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 July 23, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Aguascalientes that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Aguascalientes

IAD - AGU

IADAGU

Washington, D.C. Dulles Intl

Tue 8/18

7:24 pm-2:40 pm

2 stops45h 16m

Aguascalients

Tue 8/25

3:32 pm-5:14 pm

2 stops23h 42m

$491

Washington, D.C.Aguascalientes

IAD - AGU

IADAGU

Washington, D.C. Dulles Intl

Wed 9/2

6:09 am-9:27 pm

1 stop17h 18m

Aguascalients

Wed 9/9

6:17 am-8:24 pm

1 stop12h 07m

$617

Washington, D.C.Aguascalientes

IAD - AGU

IADAGU

Washington, D.C. Dulles Intl

Tue 8/18

12:30 pm-7:45 am

2 stops21h 15m

Aguascalients

Tue 8/25

6:17 am-3:19 pm

1 stop7h 02m

$662

Washington, D.C.Aguascalientes

IAD - AGU

IADAGU

Washington, D.C. Dulles Intl

Thu 9/3

10:16 am-11:01 pm

2 stops14h 45m

Aguascalients

Thu 9/10

6:17 am-3:19 pm

1 stop7h 02m

$662

Washington, D.C.Aguascalientes

IAD - AGU

IADAGU

Washington, D.C. Dulles Intl

Tue 8/18

8:31 am-7:27 pm

1 stop12h 56m

Aguascalients

Tue 8/25

6:25 am-4:21 pm

1 stop7h 56m

$672
Quickest round-trip

Washington, D.C.Aguascalientes

IAD - AGU

IADAGU

Washington, D.C. Dulles Intl

Mon 9/7

6:30 am-11:59 am

1 stop7h 29m

Aguascalients

Mon 9/14

12:55 pm-11:55 pm

1 stop9h 00m

$672

Washington, D.C.Aguascalientes

IAD - AGU

IADAGU

Washington, D.C. Dulles Intl

Tue 9/8

3:15 pm-11:01 pm

2 stops9h 46m

Aguascalients

Tue 9/15

8:20 am-12:41 am

2 stops14h 21m

$672

Washington, D.C.Aguascalientes

IAD - AGU

IADAGU

Washington, D.C. Dulles Intl

Wed 9/9

12:26 pm-11:01 pm

2 stops12h 35m

Aguascalients

Thu 9/17

8:20 am-11:14 pm

2 stops12h 54m

$672

Washington, D.C.Aguascalientes

IAD - AGU

IADAGU

Washington, D.C. Dulles Intl

Thu 9/3

6:30 am-11:59 am

1 stop7h 29m

Aguascalients

Thu 9/10

12:55 pm-12:30 am

1 stop9h 35m

$672

Washington, D.C.Aguascalientes

IAD - AGU

IADAGU

Washington, D.C. Dulles Intl

Tue 9/8

3:15 pm-11:01 pm

2 stops9h 46m

Aguascalients

Sun 9/20

12:04 pm-12:41 am

2 stops10h 37m

$692

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/21

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

Compare providers for flights from Dulles Intl to Aguascalientes

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Aguascalientes in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Aguascalientes flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Aguascalientes flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Aguascalientes flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Aguascalientes flights, Cheapflights users trust FlightHub the most. FlightHub 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 Washington, D.C. Dulles Intl Airport-Aguascalientes 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 Dulles Intl to Aguascalientes

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

Reviews of airlines servicing Aguascalientes

Get insights into the airlines that provide service to Aguascalientes. 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 Aguascalientes. Reviews last updated July 23, 2026.
Read reviews from past customers who have flown United Airlines and American Airlines from Washington, D.C. Dulles Intl Airport to Aguascalientes. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
10,024 reviews

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
United Airlines
7.4
Good
10,024 reviews
United Airlines
7.4
Good
10,024 reviews

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
American Airlines
7.1
Good
11,832 reviews
United Airlines
7.4
Good
10,024 reviews

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

Related info for your journey

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

    For a flight from Washington, D.C. Dulles Intl to Aguascalientes, you will be flying into Aguascalients. Aguascalients (AGU) is just 12.4 mi from the center of the city. Aguascalients is the only Aguascalientes airport and it handles 0 inbound flights from Washington, D.C. Dulles Intl per day. 2 airlines have flights to Aguascalients from Washington, D.C. Dulles Intl on a regular basis.

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

    Frontier, American Airlines, and Aeromexico can get you from Washington, D.C. Dulles Intl Airport to Aguascalientes in just under 17h 18m. Your travel time can differ by up to 27h 58m. The distance between Washington, D.C. Dulles Intl Airport and Aguascalientes is about 1890 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Aguascalientes round-trip?

    American Airlines, at $271, was found to be the cheapest airline from Washington, D.C. Dulles Intl Airport to Aguascalientes. An alternate airline flying to your destination would be United Airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl to Aguascalientes 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

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.

Top 2 airlines flying from Dulles Intl to Aguascalientes

Discover the top 2 airlines that operate flights from Dulles Intl to Aguascalientes. 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 July 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$271Average$415FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$456Average$774FlexibilityNo cancel feeOn-time69%

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.