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Aguascalientes

$323+ 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 7/5. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — AGU
May 10 — May 171
Sun 5/10
Sun 5/17
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 April 10, 2026.

This Aeromexico deal was found by Cheapflights users on 4/5. 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 8/205:09 pm
IAD
-
AGU
1 stop16h 38m
Aeromexico
Mon 8/248:24 pm
AGU
-
IAD
1 stop16h 53m
Aeromexico
Deal found 4/5$596
This Delta deal was found by Cheapflights users on 4/5. 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 8/206:00 am
IAD
-
AGU
2 stops15h 42m
Delta
Mon 8/246:16 am
AGU
-
IAD
1 stop7h 01m
Delta
Deal found 4/5$601
This Delta deal was found by Cheapflights users on 4/10. 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.
Mon 5/254:46 pm
IAD
-
AGU
1 stop8h 35m
Delta
Mon 6/16:14 am
AGU
-
IAD
1 stop7h 09m
Delta
Deal found 4/10$616
This American Airlines deal was found by Cheapflights users on 4/5. 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 8/205:20 pm
IAD
-
AGU
2 stops20h 52m
American Airlines
Mon 8/246:00 am
AGU
-
IAD
2 stops24h 42m
American Airlines
Deal found 4/5$635
This Delta deal was found by Cheapflights users on 4/6. 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 4/6$636
This American Airlines deal was found by Cheapflights users on 4/7. 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 10/178:25 pm
IAD
-
AGU
2 stops17h 47m
American Airlines
Sat 11/76:14 am
AGU
-
IAD
1 stop8h 57m
American Airlines
Deal found 4/7$655

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 April 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$596
(Delta)

One-way from

$323
(American Airlines)

Popular in

December

Cheapest in

March

Average price

$774
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Aguascalients flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Aguascalients flights.
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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. 13% potential increase in price ($110 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($40 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 April 10, 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

Thu 8/20

5:09 pm-7:47 am

1 stop16h 38m

Aguascalients

Mon 8/24

8:24 pm-3:17 pm

1 stop16h 53m

$596

Washington, D.C.Aguascalientes

IAD - AGU

IADAGU

Washington, D.C. Dulles Intl

Thu 8/20

6:00 am-7:42 pm

2 stops15h 42m

Aguascalients

Mon 8/24

6:16 am-3:17 pm

1 stop7h 01m

$601

Washington, D.C.Aguascalientes

IAD - AGU

IADAGU

Washington, D.C. Dulles Intl

Mon 5/25

4:46 pm-11:21 pm

1 stop8h 35m

Aguascalients

Mon 6/1

6:14 am-3:23 pm

1 stop7h 09m

$616
Quickest round-trip

Washington, D.C.Aguascalientes

IAD - AGU

IADAGU

Washington, D.C. Dulles Intl

Wed 5/27

4:46 pm-11:16 pm

1 stop8h 30m

Aguascalients

Mon 6/1

6:14 am-3:23 pm

1 stop7h 09m

$616

Washington, D.C.Aguascalientes

IAD - AGU

IADAGU

Washington, D.C. Dulles Intl

Thu 8/20

5:20 pm-12:12 pm

2 stops20h 52m

Aguascalients

Mon 8/24

6:00 am-8:42 am

2 stops24h 42m

$635

Washington, D.C.Aguascalientes

IAD - AGU

IADAGU

Washington, D.C. Dulles Intl

Sat 5/23

4:46 pm-7:45 am

1 stop16h 59m

Aguascalients

Sat 5/30

8:08 am-12:51 am

2 stops14h 43m

$666

Washington, D.C.Aguascalientes

IAD - AGU

IADAGU

Washington, D.C. Dulles Intl

Thu 5/21

2:53 pm-7:27 pm

1 stop6h 34m

Aguascalients

Sun 5/24

12:55 pm-12:31 am

1 stop9h 36m

$711

Washington, D.C.Aguascalientes

IAD - AGU

IADAGU

Washington, D.C. Dulles Intl

Thu 4/30

12:45 pm-11:01 pm

2 stops12h 16m

Aguascalients

Tue 5/12

6:14 am-9:24 pm

2 stops13h 10m

$721

Washington, D.C.Aguascalientes

IAD - AGU

IADAGU

Washington, D.C. Dulles Intl

Tue 6/2

6:08 am-11:06 pm

2 stops18h 58m

Aguascalients

Wed 6/3

6:14 am-12:51 am

2 stops16h 37m

$731

Washington, D.C.Aguascalientes

IAD - AGU

IADAGU

Washington, D.C. Dulles Intl

Tue 9/22

12:30 pm-11:25 pm

2 stops12h 55m

Aguascalients

Thu 9/24

6:16 am-9:18 pm

2 stops13h 02m

$751

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/5

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 April.
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 April 10, 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
9,562 reviews

Boarding

7.7

Comfort

7.3

Crew

8.1

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
9,562 reviews
United Airlines
7.4
Good
9,562 reviews

Boarding

7.7

Comfort

7.3

Crew

8.1

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
7.1
Good
11,564 reviews
United Airlines
7.4
Good
9,562 reviews

Boarding

7.7

Comfort

7.3

Crew

8.1

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?

    Delta can get you from Washington, D.C. Dulles Intl Airport to Aguascalientes in just under 8h 30m. 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 April 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$271Average$415FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$456Average$759FlexibilityNo cancel feeOn-time69%

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