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Aguascalientes

$304+ 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 5/1. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — AGU
Mar 23 — Mar 301
Mon 3/23
Mon 3/30
1 adult, Economy
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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 February 21, 2026.

This Aeromexico deal was found by Cheapflights users on 2/20. 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.
Thu 4/165:05 pm
IAD
-
AGU
1 stop16h 40m
Aeromexico
Tue 4/219:10 pm
AGU
-
IAD
1 stop16h 00m
Aeromexico
Deal found 2/20$536
This Aeromexico deal was found by Cheapflights users on 2/19. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/246:01 am
IAD
-
AGU
2 stops12h 10m
Aeromexico
Tue 4/79:10 pm
AGU
-
IAD
1 stop16h 00m
Aeromexico
Deal found 2/19$541
This American Airlines deal was found by Cheapflights users on 2/17. 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 10/176:56 am
IAD
-
AGU
1 stop16h 59m
American Airlines
Sat 11/76:14 am
AGU
-
IAD
1 stop8h 57m
American Airlines
Deal found 2/17$561
This United Airlines deal was found by Cheapflights users on 2/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/256:00 am
IAD
-
AGU
1 stop15h 27m
United Airlines
Mon 4/276:25 am
AGU
-
IAD
1 stop14h 19m
United Airlines
Deal found 2/18$571
This Delta deal was found by Cheapflights users on 2/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/175:09 pm
IAD
-
AGU
1 stop17h 24m
Delta
Sat 11/76:15 am
AGU
-
IAD
1 stop6h 30m
Delta
Deal found 2/20$576
This American Airlines deal was found by Cheapflights users on 2/17. 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.
Thu 4/163:26 pm
IAD
-
AGU
2 stops22h 18m
American Airlines
Tue 4/2112:25 pm
AGU
-
IAD
2 stops18h 24m
American Airlines
Deal found 2/17$579
This Delta deal was found by Cheapflights users on 2/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/166:00 am
IAD
-
AGU
2 stops16h 00m
Delta
Tue 4/216:15 am
AGU
-
IAD
2 stops10h 04m
Delta
Deal found 2/20$592

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 February 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$536
(Aeromexico)

One-way from

$304
(Kiwi.com)

Popular in

December

Cheapest in

March
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. 14% potential increase in price ($115 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($41 potential savings vs. average RT price).
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 February 21, 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

Dulles Intl

Fly to

Aguascalientes

Route

Depart

Return

Price

Washington, D.C.Aguascalientes

IAD - AGU

IADAGU

Washington, D.C. Dulles Intl

Thu 4/16

5:05 pm-7:45 am

1 stop16h 40m

Aguascalients

Tue 4/21

9:10 pm-3:10 pm

1 stop16h 00m

$536

Washington, D.C.Aguascalientes

IAD - AGU

IADAGU

Washington, D.C. Dulles Intl

Tue 3/24

6:01 am-4:11 pm

2 stops12h 10m

Aguascalients

Tue 4/7

9:10 pm-3:10 pm

1 stop16h 00m

$541

Washington, D.C.Aguascalientes

IAD - AGU

IADAGU

Washington, D.C. Dulles Intl

Sat 4/25

6:00 am-7:27 pm

1 stop15h 27m

Aguascalients

Mon 4/27

6:25 am-10:44 pm

1 stop14h 19m

$571

Washington, D.C.Aguascalientes

IAD - AGU

IADAGU

Washington, D.C. Dulles Intl

Thu 4/16

3:26 pm-11:44 am

2 stops22h 18m

Aguascalients

Tue 4/21

12:25 pm-8:49 am

2 stops18h 24m

$579

Washington, D.C.Aguascalientes

IAD - AGU

IADAGU

Washington, D.C. Dulles Intl

Fri 5/1

12:45 pm-11:10 pm

2 stops12h 25m

Aguascalients

Sun 5/10

6:15 am-3:10 pm

1 stop6h 55m

$581

Washington, D.C.Aguascalientes

IAD - AGU

IADAGU

Washington, D.C. Dulles Intl

Thu 4/16

5:05 pm-11:05 pm

1 stop8h 00m

Aguascalients

Tue 4/21

6:15 am-6:19 pm

2 stops10h 04m

$591

Washington, D.C.Aguascalientes

IAD - AGU

IADAGU

Washington, D.C. Dulles Intl

Fri 5/1

5:04 pm-9:45 am

2 stops42h 41m

$304

Washington, D.C.Aguascalientes

IAD - AGU

IADAGU

Washington, D.C. Dulles Intl

Thu 4/30

7:04 pm-9:45 am

2 stops40h 41m

$304

Washington, D.C.Aguascalientes

IAD - AGU

IADAGU

Washington, D.C. Dulles Intl

Wed 4/29

7:00 am-9:35 pm

1 stop16h 35m

$309

Washington, D.C.Aguascalientes

IAD - AGU

IADAGU

Washington, D.C. Dulles Intl

Thu 4/30

6:00 am-11:59 am

1 stop7h 59m

$324

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/17

Showing 1-10 of 13 results
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 February.
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.

Cheapflights Insights

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

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

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Aguascalientes (average of $358). Flying from Washington, D.C. Dulles Intl Airport to Aguascalientes in May is currently the most expensive (average of $910). 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.

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 February 21, 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
9,335 reviews

Crew

8.1

Comfort

7.3

Boarding

7.7

Overall

7.4

Food

6.6

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,335 reviews
United Airlines
7.4
Good
9,335 reviews

Crew

8.1

Comfort

7.3

Boarding

7.7

Overall

7.4

Food

6.6

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
American Airlines
7.2
Good
11,334 reviews
United Airlines
7.4
Good
9,335 reviews

Crew

8.1

Comfort

7.3

Boarding

7.7

Overall

7.4

Food

6.6

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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?

    Aeromexico can get you from Washington, D.C. Dulles Intl Airport to Aguascalientes in just under 16h 40m. Your travel time can differ by up to . The distance between Washington, D.C. Dulles Intl Airport and Aguascalientes is about 1890 mi.

  • 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.

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

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Aguascalientes (average of $358). Flying from Washington, D.C. Dulles Intl Airport to Aguascalientes in May is currently the most expensive (average of $910). 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 Aguascalientes?

Book flights to Aguascalientes if you plan to visit one of these locations
Lagos de Moreno

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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 February 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$271Average$419FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$456Average$759FlexibilityNo cancel feeOn-time69%

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