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San Luis Potosí

$348+ Cheap flights from District of Columbia to San Luis Potosí, Mexico (SLP)

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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SLP
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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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 January 29, 2026.

This American Airlines deal was found by Cheapflights users on 1/28. 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 4/26:30 am
DCA
-
SLP
1 stop7h 05m
American Airlines
Mon 4/612:25 pm
SLP
-
DCA
1 stop18h 39m
American Airlines
Deal found 1/28$555
This American Airlines deal was found by Cheapflights users on 1/29. 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 5/286:22 am
IAD
-
SLP
1 stop6h 40m
American Airlines
Wed 6/311:52 am
SLP
-
IAD
1 stop8h 49m
American Airlines
Deal found 1/29$586
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/47:46 pm
DCA
-
SLP
2 stops17h 14m
American Airlines
Tue 5/1912:09 pm
SLP
-
DCA
1 stop7h 11m
American Airlines
Deal found 1/27$590
This American Airlines deal was found by Cheapflights users on 1/29. 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 4/298:11 pm
IAD
-
SLP
2 stops16h 49m
American Airlines
Wed 5/1312:09 pm
SLP
-
IAD
2 stops9h 50m
American Airlines
Deal found 1/29$590
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/64:55 pm
IAD
-
SLP
1 stop8h 20m
Delta
Wed 5/136:10 am
SLP
-
IAD
1 stop7h 00m
Delta
Deal found 1/27$601
This American Airlines deal was found by Cheapflights users on 1/28. 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.
Fri 2/276:00 am
IAD
-
SLP
1 stop7h 35m
American Airlines
Fri 3/61:25 pm
SLP
-
IAD
2 stops25h 51m
American Airlines
Deal found 1/28$604
This American Airlines deal was found by Cheapflights users on 1/28. 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 3/86:30 am
DCA
-
SLP
1 stop7h 05m
American Airlines
Tue 3/1712:25 pm
SLP
-
DCA
1 stop8h 35m
American Airlines
Deal found 1/28$606
This Delta deal was found by Cheapflights users on 1/28. 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 5/2812:30 pm
IAD
-
SLP
2 stops12h 45m
Delta
Wed 6/36:10 am
SLP
-
IAD
1 stop7h 00m
Delta
Deal found 1/28$606
This American Airlines deal was found by Cheapflights users on 1/29. 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.
Fri 5/18:11 pm
IAD
-
SLP
2 stops16h 49m
American Airlines
Fri 5/1512:09 pm
SLP
-
IAD
2 stops18h 40m
American Airlines
Deal found 1/29$610
This Aeromexico deal was found by Cheapflights users on 1/28. 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 4/27:18 am
IAD
-
SLP
1 stop13h 07m
Aeromexico
Mon 4/67:45 pm
SLP
-
IAD
1 stop17h 25m
Aeromexico
Deal found 1/28$612
This SmartFares deal was found by Cheapflights users on 1/29. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/154:20 pm
IAD
-
SLP
1 stop17h 34m
Aeromexico
Sun 3/227:29 pm
SLP
-
IAD
1 stop17h 21m
Aeromexico
Deal found 1/29$613
This United Airlines deal was found by Cheapflights users on 1/28. 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 3/87:59 pm
DCA
-
SLP
1 stop16h 50m
United Airlines
Mon 3/166:45 am
SLP
-
DCA
1 stop13h 25m
United Airlines
Deal found 1/28$616

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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$555
(American Airlines)

One-way from

$348
Provider with most accurate pricing for Washington, D.C. (WAS)-San Luis Potosi flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-San Luis Potosi flights.
Search Deals
From District of Columbia to San Luis Potosi
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One-way flight from District of Columbia to San Luis Potosi
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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 January 29, 2026.
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

Thu 4/2

6:30 am-11:35 am

1 stop7h 05m

San Luis Potosi

Mon 4/6

12:25 pm-9:04 am

1 stop18h 39m

$555

Washington, D.C.San Luis Potosí

IAD - SLP

IADSLP

Washington, D.C. Dulles Intl

Thu 5/28

6:22 am-11:02 am

1 stop6h 40m

San Luis Potosi

Wed 6/3

11:52 am-10:41 pm

1 stop8h 49m

$586

Washington, D.C.San Luis Potosí

IAD - SLP

IADSLP

Washington, D.C. Dulles Intl

Wed 4/29

8:11 pm-11:00 am

2 stops16h 49m

San Luis Potosi

Wed 5/13

12:09 pm-11:28 pm

1 stop9h 19m

$590

Washington, D.C.San Luis Potosí

DCA - SLP

DCASLP

Washington, D.C. Reagan-National

Mon 5/4

5:00 pm-11:00 am

1 stop20h 00m

San Luis Potosi

Tue 5/19

12:09 pm-12:30 am

1 stop10h 21m

$600

Washington, D.C.San Luis Potosí

IAD - SLP

IADSLP

Washington, D.C. Dulles Intl

Wed 4/29

4:55 pm-11:15 pm

1 stop8h 20m

San Luis Potosi

Wed 5/13

6:10 am-3:10 pm

1 stop7h 00m

$601

Washington, D.C.San Luis Potosí

IAD - SLP

IADSLP

Washington, D.C. Dulles Intl

Wed 5/6

4:55 pm-11:15 pm

1 stop8h 20m

San Luis Potosi

Wed 5/13

6:10 am-3:10 pm

1 stop7h 00m

$601

Washington, D.C.San Luis Potosí

IAD - SLP

IADSLP

Washington, D.C. Dulles Intl

Thu 5/28

12:30 pm-11:15 pm

2 stops12h 45m

San Luis Potosi

Wed 6/3

6:10 am-3:10 pm

1 stop7h 00m

$606

Washington, D.C.San Luis Potosí

DCA - SLP

DCASLP

Washington, D.C. Reagan-National

Sun 3/8

6:30 am-11:35 am

1 stop7h 05m

San Luis Potosi

Tue 3/17

12:25 pm-11:00 pm

1 stop8h 35m

$606

Washington, D.C.San Luis Potosí

IAD - SLP

IADSLP

Washington, D.C. Dulles Intl

Sun 3/8

6:00 am-11:35 am

1 stop7h 35m

San Luis Potosi

Tue 3/17

12:25 pm-10:53 pm

1 stop8h 28m

$606

Washington, D.C.San Luis Potosí

IAD - SLP

IADSLP

Washington, D.C. Dulles Intl

Fri 5/1

8:11 pm-11:00 am

2 stops16h 49m

San Luis Potosi

Fri 5/15

12:09 pm-11:28 pm

1 stop9h 19m

$610

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 28 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, September is the cheapest month in which you can book a flight from District of Columbia to San Luis Potosí (average of $375). Flying from District of Columbia to San Luis Potosí in May is currently the most expensive (average of $586). 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 $555, American Airlines can have you in San Luis Potosí from District of Columbia in 7h 05m. The distance from District of Columbia to San Luis Potosí is about 1815 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, September is the cheapest month in which you can book a flight from District of Columbia to San Luis Potosí (average of $375). Flying from District of Columbia to San Luis Potosí in May is currently the most expensive (average of $586). 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.
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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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$383Average$416FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$407Average$550FlexibilityNo cancel feeOn-time69%

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