Which layover airport offers the lowest fares from Washington, D.C. to San Luis Potosí?

Flights via Atlanta (ATL) offer the lowest average round-trip price of $552.

What airlines fly to San Luis Potosí?

United Airlines, American Airlines and Aeromexico are the top three most popular airlines that fly to San Luis Potosí from Washington, D.C. according to our data. United Airlines is the first choice among our users, with 62% of people opting to fly with this airline when traveling to San Luis Potosí. Keep in mind that there are 4 different airlines that fly to San Luis Potosí on a routine basis, so you have a few additional options to choose from.

Which layover airport has the shortest connection time from Washington, D.C. to San Luis Potosí?

Atlanta (ATL) has the shortest average layover time for this route: 1h 56m.

Which layover airport has the shortest travel time from Washington, D.C. to San Luis Potosí?

Flights connecting via Houston (IAH) have the shortest average one-way travel time: 6h 49m.

Which airport is the most popular layover for flights between Washington, D.C. and San Luis Potosí?

Houston (IAH) was the most common stop: 67% of momondo users choosing 1-stop flights on this route connected there.

How long does it take to fly to San Luis Potosí?

If you’re flying from a popular airport in Washington, D.C., such as Baltimore or Washington, D.C., and flying into San Luis Potosí, then you can expect flight times to average 6h 27m and 7h 35m, respectively.

What is the cheapest airline that flies from Washington, D.C. to San Luis Potosi?

American Airlines, Delta, and Aeromexico are the most popular carriers operating from Washington, D.C. to San Luis Potosi

When did momondo last update prices for flights from Washington, D.C. to San Luis Potosi Airport?

Prices for flights from Washington, D.C. to San Luis Potosi Airport were last updated today.

How many operators does momondo search for flights from Washington, D.C. to San Luis Potosi Airport?

The number of operators available for flights from Washington, D.C. to San Luis Potosi Airport is 1 as of June 2026.

How old do you have to be to fly from Washington, D.C. to San Luis Potosi Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to San Luis Potosi Airport.

What documentation or ID do you need to fly to San Luis Potosi Airport?

The travel and health documents you'll need for your trip to San Luis Potosi Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Luis Potosi Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$216 Cheap Flights from Washington, D.C. to San Luis Potosí in 2026

Q: What is the typical price of a round-trip flight between Washington, D.C. and San Luis Potosí?

Prices are currently typical for flights on this route. Typical prices usually range from $385 to $662. The lowest price recently found on this route was $493.

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington, D.C. to San Luis Potosí

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:32 pm - 1:34 pm

BWI

SLP

18h 02m

2 stops

1:51 pm - 1:40 pm

SLP

BWI

21h 49m

1 stop

$493Multiple Airlines

Mon, Aug 10 - Mon, Aug 24

8:33 pm - 1:34 pm

IAD

SLP

19h 01m

2 stops

1:51 pm - 6:29 pm

SLP

IAD

26h 38m

1 stop

$506Multiple Airlines

Mon, Aug 10 - Mon, Aug 24

4:44 pm - 1:34 pm

BWI

SLP

22h 50m

1 stop

2:48 pm - 9:56 pm

SLP

BWI

29h 08m

2 stops

$537Multiple Airlines

Wed, Aug 5 - Tue, Aug 18

4:44 pm - 1:34 pm

BWI

SLP

22h 50m

1 stop

1:51 pm - 1:40 pm

SLP

BWI

21h 49m

1 stop

$538Multiple Airlines

Mon, Aug 10 - Mon, Aug 24

8:33 pm - 1:34 pm

IAD

SLP

19h 01m

2 stops

5:02 pm - 8:04 am

SLP

IAD

13h 02m

2 stops

$561Frontier

Mon, Aug 10 - Mon, Aug 24

7:26 am - 11:00 am

BWI

SLP

29h 34m

1 stop

11:50 am - 9:34 pm

SLP

BWI

7h 44m

1 stop

$569American Airlines

Thu, Aug 6 - Wed, Aug 19

5:00 am - 11:00 am

DCA

SLP

8h 00m

1 stop

11:50 am - 8:59 am

SLP

DCA

19h 09m

1 stop

$632American Airlines

Wed, Aug 12 - Wed, Aug 19

8:33 pm - 1:34 pm

IAD

SLP

19h 01m

2 stops

5:02 pm - 8:04 am

SLP

IAD

13h 02m

2 stops

$639Frontier

Wed, Aug 12 - Wed, Aug 19

4:50 pm - 11:55 pm

IAD

SLP

9h 05m

1 stop

6:02 am - 3:19 pm

SLP

IAD

7h 17m

1 stop

$658Delta

Mon, Aug 3 - Mon, Aug 31

6:10 am - 8:15 pm

IAD

SLP

16h 05m

2 stops

6:02 am - 3:19 pm

SLP

IAD

7h 17m

1 stop

$663Delta

Wed, Aug 12 - Wed, Aug 19

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Frontier flights from Washington, D.C. to San Luis Potosí

Our best Frontier deals on Washington, D.C. to San Luis Potosí flight tickets

Frontier

Aug 10

IAD8:33 pmWashington, D.C. Dulles Intl

19h 01m

2 stops

SLP1:34 pmSan Luis Potosi

Aug 24

SLP5:02 pmSan Luis Potosi

13h 02m

2 stops

IAD8:04 amWashington, D.C. Dulles Intl

$561

Frontier

Aug 12

IAD8:33 pmWashington, D.C. Dulles Intl

19h 01m

2 stops

SLP1:34 pmSan Luis Potosi

Aug 19

SLP5:02 pmSan Luis Potosi

13h 02m

2 stops

IAD8:04 amWashington, D.C. Dulles Intl

$639

Frontier

Jul 31

IAD8:33 pmWashington, D.C. Dulles Intl

19h 01m

2 stops

SLP1:34 pmSan Luis Potosi

Aug 8

SLP7:04 amSan Luis Potosi

13h 48m

2 stops

IAD10:52 pmWashington, D.C. Dulles Intl

$943

United Airlines flights from Washington, D.C. to San Luis Potosí

Our best United Airlines deals on Washington, D.C. to San Luis Potosí flight tickets

United Airlines

Aug 13

BWI3:04 pmBaltimore/Washington

6h 08m

1 stop

SLP7:12 pmSan Luis Potosi

Aug 20

SLP7:12 amSan Luis Potosi

7h 16m

1 stop

BWI4:28 pmBaltimore/Washington

$622

United Airlines

Aug 10

BWI4:23 pmBaltimore/Washington

20h 26m

2 stops

SLP10:49 amSan Luis Potosi

Aug 24

SLP11:45 amSan Luis Potosi

20h 24m

2 stops

BWI10:09 amBaltimore/Washington

$637

United Airlines

Aug 6

BWI6:38 pmBaltimore/Washington

18h 11m

2 stops

SLP10:49 amSan Luis Potosi

Aug 19

SLP7:12 amSan Luis Potosi

37h 48m

2 stops

BWI11:00 pmBaltimore/Washington

$653

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to San Luis Potosí that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimoreSan Luis Potosí

BWI - SLP

BWISLP

Baltimore/Washington

Mon 8/10

9:32 pm-1:34 pm

2 stops18h 02m

San Luis Potosi

Mon 8/24

1:51 pm-1:40 pm

1 stop21h 49m

$493

Washington, D.C.San Luis Potosí

IAD - SLP

IADSLP

Washington, D.C. Dulles Intl

Mon 8/10

8:33 pm-1:34 pm

2 stops19h 01m

San Luis Potosi

Mon 8/24

1:51 pm-6:29 pm

1 stop26h 38m

$506

BaltimoreSan Luis Potosí

BWI - SLP

BWISLP

Baltimore/Washington

Wed 8/5

4:44 pm-1:34 pm

1 stop22h 50m

San Luis Potosi

Tue 8/18

2:48 pm-9:56 pm

2 stops29h 08m

$537

BaltimoreSan Luis Potosí

BWI - SLP

BWISLP

Baltimore/Washington

Mon 8/10

4:44 pm-1:34 pm

1 stop22h 50m

San Luis Potosi

Mon 8/24

1:51 pm-1:40 pm

1 stop21h 49m

$538

Washington, D.C.San Luis Potosí

IAD - SLP

IADSLP

Washington, D.C. Dulles Intl

Mon 8/10

8:33 pm-1:34 pm

2 stops19h 01m

San Luis Potosi

Mon 8/24

5:02 pm-8:04 am

2 stops13h 02m

$561

BaltimoreSan Luis Potosí

BWI - SLP

BWISLP

Baltimore/Washington

Thu 8/6

7:26 am-11:00 am

1 stop29h 34m

San Luis Potosi

Wed 8/19

11:50 am-9:34 pm

1 stop7h 44m

$569

Washington, D.C.San Luis Potosí

DCA - SLP

DCASLP

Washington, D.C. Reagan-National

Wed 8/12

5:00 am-11:00 am

1 stop8h 00m

San Luis Potosi

Wed 8/19

11:50 am-8:59 am

1 stop19h 09m

$632

Washington, D.C.San Luis Potosí

IAD - SLP

IADSLP

Washington, D.C. Dulles Intl

Wed 8/12

8:33 pm-1:34 pm

2 stops19h 01m

San Luis Potosi

Wed 8/19

5:02 pm-8:04 am

2 stops13h 02m

$639

Quickest round-trip

Washington, D.C.San Luis Potosí

IAD - SLP

IADSLP

Washington, D.C. Dulles Intl

Mon 8/3

4:50 pm-11:55 pm

1 stop9h 05m

San Luis Potosi

Mon 8/31

6:02 am-3:19 pm

1 stop7h 17m

$658

Washington, D.C.San Luis Potosí

IAD - SLP

IADSLP

Washington, D.C. Dulles Intl

Wed 8/12

6:10 am-8:15 pm

2 stops16h 05m

San Luis Potosi

Wed 8/19

6:02 am-3:19 pm

1 stop7h 17m

$663

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Washington, D.C. to San Luis Potosí

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

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Other information

What is the typical price of a round-trip flight between Washington, D.C. and San Luis Potosí?

What is the cheapest month to fly to San Luis Potosí?

The cheapest month to fly to San Luis Potosí from Washington, D.C. is in February. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. If you’re not able to fly to San Luis Potosí in February, then July is your next best option. Flight prices from Washington, D.C. to San Luis Potosí during July average around $259.

When to book flights from Washington, D.C. to San Luis Potosí

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to San Luis Potosí according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Washington, D.C. to San Luis Potosí (WAS to SLP) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to San Luis Potosí

Fastest flight time	6h 17m
Direct flights	None

The fastest flight from Washington, D.C. to San Luis Potosí takes 6h 17m

There are no direct flights from Washington, D.C. to San Luis Potosí. There are no popular flight routes from Washington, D.C. to San Luis Potosí.

Search flight deals

Frequently asked questions about flying from Washington, D.C. to San Luis Potosí

How far is Washington, D.C. to San Luis Potosi by plane?
Washington, D.C. and San Luis Potosi are 1824.6 mi apart from one another. By plane, this route typically takes 6h 17m.
When did momondo last update prices for flights from Washington, D.C. to San Luis Potosi Airport?
Prices for flights from Washington, D.C. to San Luis Potosi Airport were last updated today.
How many operators does momondo search for flights from Washington, D.C. to San Luis Potosi Airport?
The number of operators available for flights from Washington, D.C. to San Luis Potosi Airport is 1 as of June 2026.
How old do you have to be to fly from Washington, D.C. to San Luis Potosi Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to San Luis Potosi Airport.
What documentation or ID do you need to fly to San Luis Potosi Airport?
The travel and health documents you'll need for your trip to San Luis Potosi Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Luis Potosi Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Washington, D.C. to San Luis Potosí?
Based on momondo bookings for flights between Washington, D.C. and San Luis Potosí, the leading airline is United Airlines, making up 48% of the total bookings. Other popular airlines include Delta with 28% and American Airlines with 24%.

Best airlines flying from Washington, D.C. to San Luis Potosí

Compare and see reviews for airlines that fly from Washington, D.C. to San Luis Potosí with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $407	Free Cancellation	Rating 7.4 9,901 reviews		Search United Airlines flights

Real de Catorce

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Why should I use momondo to find a flight deal from Washington, D.C. to San Luis Potosí?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to San Luis Potosí. momondo saves you time and could save you money on your trip.

Can I find flights from Washington, D.C. to San Luis Potosí with flexible booking policies on momondo?

Yes. All flights to San Luis Potosí from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Washington, D.C. to San Luis Potosí?

Once all potential Washington, D.C. to San Luis Potosí flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Washington, D.C. to San Luis Potosí right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to San Luis Potosí from Washington, D.C.. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Frontier flights from Washington, D.C. to San Luis Potosí

Our best Frontier deals on Washington, D.C. to San Luis Potosí flight tickets

United Airlines flights from Washington, D.C. to San Luis Potosí

Our best United Airlines deals on Washington, D.C. to San Luis Potosí flight tickets

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See travel insights to San Luis Potosí from

How to get the cheapest flight ticket from Washington, D.C. to San Luis Potosí

What is the typical price of a round-trip flight between Washington, D.C. and San Luis Potosí?

What is the cheapest month to fly to San Luis Potosí?

What is the cheapest airline that flies from Washington, D.C. to San Luis Potosi?

What airlines fly to San Luis Potosí?

Which airport is the most popular layover for flights between Washington, D.C. and San Luis Potosí?

Which layover airport offers the lowest fares from Washington, D.C. to San Luis Potosí?

Which layover airport has the shortest travel time from Washington, D.C. to San Luis Potosí?

Which layover airport has the shortest connection time from Washington, D.C. to San Luis Potosí?

How long does it take to fly to San Luis Potosí?

When to book flights from Washington, D.C. to San Luis Potosí

Cheap Washington, D.C. to San Luis Potosí (WAS to SLP) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to San Luis Potosí

Fastest flight time

Direct flights

Frequently asked questions about flying from Washington, D.C. to San Luis Potosí

Best airlines flying from Washington, D.C. to San Luis Potosí

Compare and see reviews for airlines that fly from Washington, D.C. to San Luis Potosí with momondo

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Cabin classes currently available on flights to San Luis Potosí

List of cabin classes available on flights landing in San Luis Potosí. Availability may vary depending on flight origin and airline.

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