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Cheap flights from Washington, D.C. to San Luis Potosí from $353

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to San Luis Potosí departing on 3/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:19 am - 12:57 pm
BWI
-
SLP
28h 38m
2 stops
Multiple Airlines Logo
1:06 pm - 9:14 am
SLP
-
BWI
18h 08m
2 stops
$353Multiple Airlines
Wed, Mar 18 - Wed, Mar 25
Multiple Airlines Logo
10:19 am - 12:57 pm
BWI
-
SLP
28h 38m
2 stops
Multiple Airlines Logo
1:06 pm - 6:45 pm
SLP
-
BWI
27h 39m
3 stops
$389Multiple Airlines
Wed, Mar 18 - Wed, Mar 25
Aeromexico Logo
10:33 am - 11:55 pm
BWI
-
SLP
14h 22m
2 stops
Aeromexico Logo
8:24 am - 10:02 pm
SLP
-
BWI
12h 38m
1 stop
$394Aeromexico
Mon, Mar 2 - Thu, Mar 5
Aeromexico Logo
6:00 am - 7:55 am
BWI
-
SLP
26h 55m
2 stops
Aeromexico Logo
12:59 pm - 12:35 am
SLP
-
BWI
10h 36m
2 stops
$395Aeromexico
Mon, Mar 2 - Thu, Mar 5
American Airlines Logo
3:22 pm - 12:35 pm
BWI
-
SLP
22h 13m
1 stop
American Airlines Logo
1:25 pm - 10:59 pm
SLP
-
BWI
8h 34m
1 stop
$403American Airlines
Tue, Feb 17 - Thu, Feb 26
American Airlines Logo
6:22 am - 11:02 am
IAD
-
SLP
6h 40m
1 stop
American Airlines Logo
11:52 am - 10:41 pm
SLP
-
IAD
8h 49m
1 stop
$557American Airlines
Thu, May 28 - Wed, Jun 3
Delta Logo
4:55 pm - 11:15 pm
IAD
-
SLP
8h 20m
1 stop
Delta Logo
6:10 am - 3:10 pm
SLP
-
IAD
7h 00m
1 stop
$573Delta
Wed, May 6 - Wed, May 13
Delta Logo
12:58 pm - 11:15 pm
IAD
-
SLP
12h 17m
2 stops
Delta Logo
6:10 am - 3:10 pm
SLP
-
IAD
7h 00m
1 stop
$577Delta
Thu, May 28 - Wed, Jun 3
United Airlines Logo
7:59 pm - 10:49 am
DCA
-
SLP
16h 50m
1 stop
United Airlines Logo
11:49 am - 11:50 pm
SLP
-
DCA
10h 01m
1 stop
$586United Airlines
Wed, Mar 18 - Wed, Mar 25
United Airlines Logo
12:32 pm - 9:00 pm
DCA
-
SLP
9h 28m
1 stop
United Airlines Logo
11:49 am - 10:10 pm
SLP
-
DCA
8h 21m
1 stop
$587United Airlines
Thu, Mar 5 - Thu, Mar 12

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
Feb 17
BWI3:22 pmBaltimore/Washington
22h 13m
1 stop
SLP12:35 pmSan Luis Potosi
Feb 26
SLP1:25 pmSan Luis Potosi
8h 34m
1 stop
BWI10:59 pmBaltimore/Washington
$403
American Airlines
May 28
IAD6:22 amWashington, D.C. Dulles Intl
6h 40m
1 stop
SLP11:02 amSan Luis Potosi
Jun 3
SLP11:52 amSan Luis Potosi
8h 49m
1 stop
IAD10:41 pmWashington, D.C. Dulles Intl
$557
American Airlines
Apr 29
IAD8:11 pmWashington, D.C. Dulles Intl
16h 49m
2 stops
SLP11:00 amSan Luis Potosi
May 13
SLP12:09 pmSan Luis Potosi
9h 50m
2 stops
IAD11:59 pmWashington, D.C. Dulles Intl
$562

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
Mar 18
BWI6:05 amBaltimore/Washington
6h 44m
1 stop
SLP10:49 amSan Luis Potosi
Mar 25
SLP11:49 amSan Luis Potosi
8h 41m
1 stop
BWI10:30 pmBaltimore/Washington
$484
United Airlines
Feb 12
BWI6:07 amBaltimore/Washington
6h 42m
1 stop
SLP11:49 amSan Luis Potosi
Feb 16
SLP6:00 amSan Luis Potosi
15h 30m
1 stop
BWI10:30 pmBaltimore/Washington
$502
United Airlines
Feb 12
BWI6:07 amBaltimore/Washington
6h 42m
1 stop
SLP11:49 amSan Luis Potosi
Feb 16
SLP6:00 amSan Luis Potosi
16h 25m
2 stops
BWI11:25 pmBaltimore/Washington
$540

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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, momondo users made 832,500 searches. Data last updated February 3, 2026.
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

BaltimoreSan Luis Potosí

BWI - SLP

BWISLP

Baltimore/Washington

Wed 3/18

10:19 am-12:57 pm

2 stops28h 38m

San Luis Potosi

Wed 3/25

1:06 pm-9:14 am

2 stops18h 08m

$353

BaltimoreSan Luis Potosí

BWI - SLP

BWISLP

Baltimore/Washington

Wed 3/18

10:19 am-12:57 pm

2 stops28h 38m

San Luis Potosi

Wed 3/25

1:06 pm-6:45 pm

3 stops27h 39m

$389

BaltimoreSan Luis Potosí

BWI - SLP

BWISLP

Baltimore/Washington

Mon 3/2

10:33 am-11:55 pm

2 stops14h 22m

San Luis Potosi

Thu 3/5

8:24 am-10:02 pm

1 stop12h 38m

$394

BaltimoreSan Luis Potosí

BWI - SLP

BWISLP

Baltimore/Washington

Mon 3/2

6:00 am-7:55 am

2 stops26h 55m

San Luis Potosi

Thu 3/5

12:59 pm-12:35 am

2 stops10h 36m

$395

BaltimoreSan Luis Potosí

BWI - SLP

BWISLP

Baltimore/Washington

Tue 2/17

3:22 pm-12:35 pm

1 stop22h 13m

San Luis Potosi

Thu 2/26

1:25 pm-10:59 pm

1 stop8h 34m

$403

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

$557

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

$573

Washington, D.C.San Luis Potosí

IAD - SLP

IADSLP

Washington, D.C. Dulles Intl

Thu 5/28

12:58 pm-11:15 pm

2 stops12h 17m

San Luis Potosi

Wed 6/3

6:10 am-3:10 pm

1 stop7h 00m

$577

Washington, D.C.San Luis Potosí

DCA - SLP

DCASLP

Washington, D.C. Reagan-National

Wed 3/18

7:59 pm-10:49 am

1 stop16h 50m

San Luis Potosi

Wed 3/25

11:49 am-11:50 pm

1 stop10h 01m

$586

Washington, D.C.San Luis Potosí

DCA - SLP

DCASLP

Washington, D.C. Reagan-National

Thu 3/5

12:32 pm-9:00 pm

1 stop9h 28m

San Luis Potosi

Thu 3/12

11:49 am-10:10 pm

1 stop8h 21m

$587

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 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 41% 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.

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 42m

Direct flights

None
The fastest flight from Washington, D.C. to San Luis Potosí takes 6h 42m
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

  • 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?

  • 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.

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
DeltaPriceFrom $383Free CancellationRating
7.9
8,132 reviews
Search Delta flights
American AirlinesPriceFrom $388Free CancellationRating
7.2
11,212 reviews
Search American Airlines flights
United AirlinesPriceFrom $407Free CancellationRating
7.4
9,229 reviews
Search United Airlines flights

Traveling to a place near San Luis Potosí?

Book flights to San Luis Potosí if you plan to visit one of these locations
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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Fly your favorite airline to San Luis Potosí

Airlines are sorted and displayed according to clicks in the past 7 days on momondo
United Airlines
American Airlines
Aeromexico
Delta