San Luis Potosí

$293+ Cheap flights from District of Columbia to San Luis Potosí, Mexico (SLP)

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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SLP
Jan 18 — Jan 251
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Cheap flight deals from District of Columbia to San Luis Potosí

Cheapest flights from District of Columbia to San Luis Potosí
Explore the most affordable flight options available from District of Columbia to San Luis Potosí. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 19, 2025.

This Delta deal was found by Cheapflights users on 12/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2110:57 amIAD - SLP
2 stops13h 53mDelta
Fri 1/29:15 amSLP - IAD
1 stop13h 57mDelta
Deal found 12/17$1,537
This American Airlines deal was found by Cheapflights users on 12/17. 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.
Sun 12/217:43 amDCA - SLP
1 stop16h 16mAmerican Airlines
Fri 1/26:20 amSLP - DCA
1 stop13h 50mAmerican Airlines
Deal found 12/17$1,612
This American Airlines deal was found by Cheapflights users on 12/17. 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.
Sun 12/216:05 amIAD - SLP
1 stop17h 54mAmerican Airlines
Fri 1/26:20 amSLP - IAD
1 stop9h 45mAmerican Airlines
Deal found 12/17$1,612

Find flight deals from District of Columbia to San Luis Potosí

Keep the following information in mind while searching for District of Columbia to San Luis Potosí flight deals. Data was last updated December 19, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$293
(American Airlines)

Popular in

December

Cheapest in

August

Average price

$774
Provider with most accurate pricing for Washington, D.C. (WAS)-San Luis Potosi flight deals.
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-San Luis Potosi flights.
From District of Columbia to San Luis Potosi
Highest demand for flights based on searches. 13% potential increase in price ($94 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($20 potential savings vs. average RT price).
Average for round-trip flights in December 2025

Cheapflights Fare Finder

 
Customize your flight search to find flights from District of Columbia to San Luis Potosí 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 December 19, 2025.
Use the filters below to find and compare flights from District of Columbia to San Luis Potosí that are best for you.

Fly from

District of Columbia

Fly to

San Luis Potosí

Route

Depart

Return

Price

Washington, D.C.San Luis Potosí

DCA - SLP

DCASLP

Washington, D.C. Reagan-National

Mon 4/13

7:01 pm-11:24 am

1 stop18h 23m

San Luis Potosi

Sat 4/18

1:55 pm-8:41 am

2 stops16h 46m

$402

Washington, D.C.San Luis Potosí

IAD - SLP

IADSLP

Washington, D.C. Dulles Intl

Wed 4/29

5:09 pm-11:07 pm

1 stop7h 58m

San Luis Potosi

Wed 5/13

5:52 am-3:17 pm

1 stop7h 25m

$403

Washington, D.C.San Luis Potosí

IAD - SLP

IADSLP

Washington, D.C. Dulles Intl

Wed 2/4

3:15 pm-8:23 am

1 stop18h 08m

San Luis Potosi

Sun 2/8

7:22 pm-1:45 pm

1 stop17h 23m

$403

Washington, D.C.San Luis Potosí

IAD - SLP

IADSLP

Washington, D.C. Dulles Intl

Wed 5/6

5:09 pm-11:07 pm

1 stop7h 58m

San Luis Potosi

Wed 5/13

5:52 am-3:17 pm

1 stop7h 25m

$403

Washington, D.C.San Luis Potosí

IAD - SLP

IADSLP

Washington, D.C. Dulles Intl

Thu 5/28

5:09 pm-11:40 pm

1 stop8h 31m

San Luis Potosi

Wed 6/3

5:52 am-3:17 pm

1 stop7h 25m

$403

Washington, D.C.San Luis Potosí

DCA - SLP

DCASLP

Washington, D.C. Reagan-National

Mon 4/13

7:59 pm-10:49 am

1 stop16h 50m

San Luis Potosi

Sat 4/18

11:45 am-11:59 pm

1 stop10h 14m

$437

Washington, D.C.San Luis Potosí

DCA - SLP

DCASLP

Washington, D.C. Reagan-National

Mon 4/13

1:45 pm-11:02 pm

2 stops11h 17m

San Luis Potosi

Sat 4/18

5:47 am-6:20 pm

2 stops10h 33m

$437

Washington, D.C.San Luis Potosí

DCA - SLP

DCASLP

Washington, D.C. Reagan-National

Mon 2/2

7:59 am-11:59 pm

2 stops17h 00m

San Luis Potosi

Wed 2/4

9:48 am-9:34 pm

2 stops10h 46m

$441

Washington, D.C.San Luis Potosí

DCA - SLP

DCASLP

Washington, D.C. Reagan-National

Mon 2/2

8:15 am-9:00 pm

1 stop13h 45m

San Luis Potosi

Wed 2/4

12:49 pm-11:59 pm

1 stop10h 10m

$529

Washington, D.C.San Luis Potosí

IAD - SLP

IADSLP

Washington, D.C. Dulles Intl

Tue 12/23

10:10 am-7:15 pm

3 stops34h 05m

$483

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 14 results
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Best time to book a flight from District of Columbia to San Luis Potosí

Have a flexible travel schedule? Discover the best time to fly to San Luis Potosí from District of Columbia 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 District of Columbia to San Luis Potosí

What is the cheapest month to book a flight from District of Columbia to San Luis Potosí?

Currently, November is the cheapest month in which you can book a flight from District of Columbia to San Luis Potosí (average of $385). Flying from District of Columbia to San Luis Potosí in December is currently the most expensive (average of $791). 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.

Related info for your journey

Find useful and relevant information for your journey from District of Columbia to San Luis Potosí. 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 San Luis Potosí from District of Columbia?

    If you book a flight to San Luis Potosí from District of Columbia, you will be flying to San Luis Potosi, which is the city’s only airport. San Luis Potosi (SLP) is located 7.8 mi from the center of San Luis Potosí.

  • How long is the flight from District of Columbia to San Luis Potosí?

    For as low as $403, American Airlines can have you in San Luis Potosí from District of Columbia in 7h 58m. The distance from District of Columbia to San Luis Potosí is about 1800 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from District of Columbia to San Luis Potosí that include hotel bookings?

    Yes. In addition to deals on District of Columbia to San Luis Potosí flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from District of Columbia to San Luis Potosí?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from District of Columbia to San Luis Potosí.

  • Can I find deals for business class flights from District of Columbia to San Luis Potosí?

    Yes. Cheapflights offers flight deals from District of Columbia to San Luis Potosí 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 District of Columbia to San Luis Potosí?

    Currently, November is the cheapest month in which you can book a flight from District of Columbia to San Luis Potosí (average of $385). Flying from District of Columbia to San Luis Potosí in December is currently the most expensive (average of $791). 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

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Alternative routes for District of Columbia to San Luis Potosí

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from District of Columbia to San Luis Potosí

Discover the top 2 airlines that operate flights from District of Columbia to San Luis Potosí. 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 December 19, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$407Average$636FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$498Average$730FlexibilityNo cancel feeOn-time71%

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