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

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

What airlines fly to San Luis Potosí?

United Airlines, Aeromexico and American Airlines 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 50% of people opting to fly with this airline when traveling to San Luis Potosí. Keep in mind that there are 3 different airlines that fly to San Luis Potosí on a routine basis, so you have a few additional options to choose from.

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 Washington, D.C. or Baltimore, and flying into San Luis Potosí, then you can expect flight times to average 6h 50m and 9h 43m, respectively.

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 October 2025.

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.

$173 Cheap Flights from Washington, D.C. to San Luis Potosí in 2025/26

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

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One-way

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Cheap round-trip flights

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5:24 pm - 12:31 pmDCA-SLP

20h 07m2 stops

1:21 pm - 10:56 amSLP-DCA

20h 35m2 stops

$321American Airlines

Find Deal

Tue, Mar 3 - Thu, Mar 5

11:37 am - 12:31 pmDCA-SLP

25h 54m1 stop

1:21 pm - 10:56 amSLP-DCA

20h 35m2 stops

$328American Airlines

Find Deal

Tue, Mar 3 - Thu, Mar 5

4:15 pm - 12:05 amIAD-SLP

9h 50m1 stop

5:48 am - 2:45 pmSLP-IAD

6h 57m1 stop

$374Aeromexico

Find Deal

Mon, Mar 9 - Tue, Mar 10

4:01 pm - 11:02 pmIAD-SLP

8h 01m1 stop

5:52 am - 2:02 pmSLP-IAD

7h 10m1 stop

$380Delta

Find Deal

Wed, Nov 19 - Wed, Nov 26

11:00 am - 9:00 pmDCA-SLP

11h 00m1 stop

12:49 pm - 11:59 pmSLP-DCA

10h 10m1 stop

$384United Airlines

Find Deal

Sat, Jan 24 - Tue, Feb 3

1:00 pm - 7:58 amIAD-SLP

20h 58m2 stops

7:12 pm - 2:45 pmSLP-IAD

17h 33m1 stop

$385Aeromexico

Find Deal

Mon, Mar 9 - Tue, Mar 10

6:05 am - 8:52 pmDCA-SLP

15h 47m2 stops

5:48 am - 9:16 pmSLP-DCA

14h 28m2 stops

$388Delta

Find Deal

Tue, Mar 3 - Thu, Mar 5

6:15 am - 8:54 pmBWI-SLP

15h 39m2 stops

6:00 am - 4:06 pmSLP-BWI

9h 06m1 stop

$424United Airlines

Find Deal

Thu, Jan 1 - Wed, Jan 14

10:32 am - 7:15 pmBWI-SLP

9h 43m1 stop

7:09 am - 2:01 pmSLP-BWI

29h 52m1 stop

$509Multiple Airlines

Find Deal

Fri, Dec 12 - Thu, Jan 8

10:32 am - 7:15 pmBWI-SLP

9h 43m1 stop

7:09 am - 10:57 pmSLP-BWI

14h 48m2 stops

$521Multiple Airlines

Find Deal

Fri, Dec 12 - Thu, Jan 8

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

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

American Airlines

Mar 3

DCA5:24 pmWashington, D.C. Reagan-National

20h 07m

2 stops

SLP12:31 pmSan Luis Potosi

Mar 5

SLP1:21 pmSan Luis Potosi

20h 35m

2 stops

DCA10:56 amWashington, D.C. Reagan-National

$321

Find similar

American Airlines

Mar 3

DCA11:37 amWashington, D.C. Reagan-National

25h 54m

1 stop

SLP12:31 pmSan Luis Potosi

Mar 5

SLP1:21 pmSan Luis Potosi

20h 35m

2 stops

DCA10:56 amWashington, D.C. Reagan-National

$328

Find similar

American Airlines

Nov 5

IAD11:25 amWashington, D.C. Dulles Intl

26h 14m

2 stops

SLP12:39 pmSan Luis Potosi

Nov 11

SLP1:31 pmSan Luis Potosi

19h 48m

2 stops

IAD10:19 amWashington, D.C. Dulles Intl

$330

Find similar

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

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

Delta

Nov 19

IAD4:01 pmWashington, D.C. Dulles Intl

8h 01m

1 stop

SLP11:02 pmSan Luis Potosi

Nov 26

SLP5:52 amSan Luis Potosi

7h 10m

1 stop

IAD2:02 pmWashington, D.C. Dulles Intl

$380

Find similar

Delta

Nov 5

IAD12:27 pmWashington, D.C. Dulles Intl

6h 51m

1 stop

SLP6:18 pmSan Luis Potosi

Nov 11

SLP5:52 amSan Luis Potosi

7h 10m

1 stop

IAD2:02 pmWashington, D.C. Dulles Intl

$384

Find similar

Delta

Mar 3

DCA6:05 amWashington, D.C. Reagan-National

15h 47m

2 stops

SLP8:52 pmSan Luis Potosi

Mar 5

SLP5:48 amSan Luis Potosi

14h 28m

2 stops

DCA9:16 pmWashington, D.C. Reagan-National

$388

Find similar

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

Washington, D.C.San Luis Potosí

DCA - SLP

DCASLP

Washington, D.C. Reagan-National

Tue 3/3

5:24 pm-12:31 pm

2 stops20h 07m

San Luis Potosi

Thu 3/5

1:21 pm-10:56 am

2 stops20h 35m

$321

Washington, D.C.San Luis Potosí

DCA - SLP

DCASLP

Washington, D.C. Reagan-National

Tue 3/3

11:37 am-12:31 pm

1 stop25h 54m

San Luis Potosi

Thu 3/5

1:21 pm-10:56 am

2 stops20h 35m

$328

Washington, D.C.San Luis Potosí

IAD - SLP

IADSLP

Washington, D.C. Dulles Intl

Mon 3/9

4:15 pm-12:05 am

1 stop9h 50m

San Luis Potosi

Tue 3/10

5:48 am-2:45 pm

1 stop6h 57m

$374

Washington, D.C.San Luis Potosí

IAD - SLP

IADSLP

Washington, D.C. Dulles Intl

Wed 11/19

4:01 pm-11:02 pm

1 stop8h 01m

San Luis Potosi

Wed 11/26

5:52 am-2:02 pm

1 stop7h 10m

$380

Washington, D.C.San Luis Potosí

DCA - SLP

DCASLP

Washington, D.C. Reagan-National

Sat 1/24

11:00 am-9:00 pm

1 stop11h 00m

San Luis Potosi

Tue 2/3

12:49 pm-11:59 pm

1 stop10h 10m

$384

Washington, D.C.San Luis Potosí

IAD - SLP

IADSLP

Washington, D.C. Dulles Intl

Mon 3/9

1:00 pm-7:58 am

2 stops20h 58m

San Luis Potosi

Tue 3/10

7:12 pm-2:45 pm

1 stop17h 33m

$385

Washington, D.C.San Luis Potosí

DCA - SLP

DCASLP

Washington, D.C. Reagan-National

Tue 3/3

6:05 am-8:52 pm

2 stops15h 47m

San Luis Potosi

Thu 3/5

5:48 am-9:16 pm

2 stops14h 28m

$388

BaltimoreSan Luis Potosí

BWI - SLP

BWISLP

Baltimore/Washington

Thu 1/1

6:15 am-8:54 pm

2 stops15h 39m

San Luis Potosi

Wed 1/14

6:00 am-4:06 pm

1 stop9h 06m

$424

BaltimoreSan Luis Potosí

BWI - SLP

BWISLP

Baltimore/Washington

Fri 12/12

10:32 am-7:15 pm

1 stop9h 43m

San Luis Potosi

Thu 1/8

7:09 am-2:01 pm

1 stop29h 52m

$509

BaltimoreSan Luis Potosí

BWI - SLP

BWISLP

Baltimore/Washington

Fri 12/12

10:32 am-7:15 pm

1 stop9h 43m

San Luis Potosi

Thu 1/8

7:09 am-10:57 pm

2 stops14h 48m

$521

Flights are sorted by cheapest round-trip flights first.

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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

Other information

What is the cheapest day to depart on your flight to San Luis Potosí?

Our data shows that Tuesday is the least expensive day to fly to San Luis Potosí. Tickets to fly out on this day can be as low as $715. The most expensive day to fly to San Luis Potosí is Monday, with ticket prices averaging around $1,124.

What is the cheapest time of day to depart on your flight to San Luis Potosí?

According to our data, the cheapest time of day to fly to San Luis Potosí is in the morning. momondo users have found flights departing from Washington, D.C. to San Luis Potosí in the morning for as low as $767. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the afternoon because they tend to be around $918. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

Direct flights	None

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.

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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 42m.
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 October 2025.
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 American Airlines, making up 100% of the total bookings.

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
American Airlines	PriceFrom $498	Free Cancellation	Rating 7.2 11,034 reviews		Search American Airlines flights

Real de Catorce

Why use momondo?

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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Cheap flights from Washington, D.C. to San Luis Potosí from $173

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

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

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

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

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.

See travel insights to San Luis Potosí from

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

What is the cheapest day to depart on your flight to San Luis Potosí?

Our data shows that Tuesday is the least expensive day to fly to San Luis Potosí. Tickets to fly out on this day can be as low as $715. The most expensive day to fly to San Luis Potosí is Monday, with ticket prices averaging around $1,124.

What is the cheapest time of day to depart on your flight to San Luis Potosí?

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

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

What airlines fly to San Luis Potosí?

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 Washington, D.C. or Baltimore, and flying into San Luis Potosí, then you can expect flight times to average 6h 50m and 9h 43m, respectively.

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

Direct flights

How far is Washington, D.C. to San Luis Potosi by plane?

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

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

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

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

What is the most popular airline 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

Traveling to a place near San Luis Potosí?

Why use momondo?

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

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

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

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?

An easier way to manage your San Luis Potosí trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Mexico

Fly your favorite airline to San Luis Potosí

Airlines are sorted and displayed according to clicks in the past 7 days on momondo