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Cheap flights from Washington, D.C. Dulles Intl Airport to San Luis Potosí from $302

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to San Luis Potosí departing on 5/31. 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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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to San Luis Potosí

Cheap round-trip flights

Enter your travel dates to find the best prices.
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
$557Delta
Thu, May 28 - Wed, Jun 3
Delta Logo
6:00 am - 7:35 pm
IAD
-
SLP
15h 35m
2 stops
Delta Logo
6:10 am - 3:10 pm
SLP
-
IAD
7h 00m
1 stop
$561Delta
Thu, May 28 - Wed, Jun 3
Multiple Airlines Logo
6:15 am - 7:05 pm
IAD
-
SLP
38h 50m
2 stops
Multiple Airlines Logo
2:19 pm - 12:36 am
SLP
-
IAD
32h 17m
2 stops
$564Multiple Airlines
Fri, Apr 10 - Mon, Apr 20
Delta Logo
5:05 pm - 11:15 pm
IAD
-
SLP
8h 10m
1 stop
Delta Logo
8:30 am - 12:51 am
SLP
-
IAD
14h 21m
2 stops
$567Delta
Wed, Apr 29 - Wed, May 13
Delta Logo
12:37 pm - 11:15 pm
IAD
-
SLP
12h 38m
2 stops
Delta Logo
8:30 am - 12:46 am
SLP
-
IAD
14h 16m
2 stops
$571Delta
Wed, Apr 29 - Wed, May 13
American Airlines Logo
8:11 pm - 11:00 am
IAD
-
SLP
16h 49m
2 stops
American Airlines Logo
12:09 pm - 11:59 pm
SLP
-
IAD
9h 50m
2 stops
$576American Airlines
Wed, Apr 8 - Wed, Apr 15
Delta Logo
5:05 pm - 11:15 pm
IAD
-
SLP
8h 10m
1 stop
Delta Logo
6:10 am - 3:10 pm
SLP
-
IAD
7h 00m
1 stop
$577Delta
Fri, May 1 - Wed, May 13
American Airlines Logo
9:19 am - 11:00 am
IAD
-
SLP
27h 41m
2 stops
American Airlines Logo
12:09 pm - 5:09 pm
SLP
-
IAD
27h 00m
1 stop
$579American Airlines
Mon, Apr 6 - Mon, Apr 13
Delta Logo
7:18 am - 4:05 pm
IAD
-
SLP
10h 47m
1 stop
Delta Logo
6:00 am - 3:10 pm
SLP
-
IAD
7h 10m
1 stop
$581Delta
Sat, Apr 11 - Mon, Apr 20
American Airlines Logo
2:03 pm - 11:00 am
IAD
-
SLP
22h 57m
2 stops
American Airlines Logo
12:09 pm - 6:41 pm
SLP
-
IAD
28h 32m
2 stops
$585American Airlines
Mon, Apr 6 - Mon, Apr 13

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

Our best American Airlines deals on Washington, D.C. Dulles Intl Airport to San Luis Potosí flight tickets
American Airlines
Apr 8
IAD8:11 pmWashington, D.C. Dulles Intl
16h 49m
2 stops
SLP11:00 amSan Luis Potosi
Apr 15
SLP12:09 pmSan Luis Potosi
9h 50m
2 stops
IAD11:59 pmWashington, D.C. Dulles Intl
$576
American Airlines
Apr 6
IAD9:19 amWashington, D.C. Dulles Intl
27h 41m
2 stops
SLP11:00 amSan Luis Potosi
Apr 13
SLP12:09 pmSan Luis Potosi
27h 00m
1 stop
IAD5:09 pmWashington, D.C. Dulles Intl
$579
American Airlines
Apr 6
IAD2:03 pmWashington, D.C. Dulles Intl
22h 57m
2 stops
SLP11:00 amSan Luis Potosi
Apr 13
SLP12:09 pmSan Luis Potosi
28h 32m
2 stops
IAD6:41 pmWashington, D.C. Dulles Intl
$585

Aeromexico flights from Washington, D.C. Dulles Intl Airport to San Luis Potosí

Our best Aeromexico deals on Washington, D.C. Dulles Intl Airport to San Luis Potosí flight tickets
Aeromexico
May 1
IAD5:05 pmWashington, D.C. Dulles Intl
17h 15m
1 stop
SLP8:20 amSan Luis Potosi
May 13
SLP9:05 amSan Luis Potosi
13h 46m
1 stop
IAD12:51 amWashington, D.C. Dulles Intl
$587
Aeromexico
Apr 5
IAD6:00 amWashington, D.C. Dulles Intl
13h 45m
2 stops
SLP5:45 pmSan Luis Potosi
Apr 12
SLP7:55 pmSan Luis Potosi
20h 13m
2 stops
IAD6:08 pmWashington, D.C. Dulles Intl
$681
Aeromexico
Mar 13
IAD6:01 amWashington, D.C. Dulles Intl
19h 58m
2 stops
SLP11:59 pmSan Luis Potosi
Mar 23
SLP5:46 amSan Luis Potosi
7h 04m
1 stop
IAD2:50 pmWashington, D.C. Dulles Intl
$757

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport 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 22, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to San Luis Potosí that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.San Luis Potosí

IAD - SLP

IADSLP

Washington, D.C. Dulles Intl

Thu 5/28

4:55 pm-11:15 pm

1 stop8h 20m

San Luis Potosi

Wed 6/3

6:10 am-3:10 pm

1 stop7h 00m

$557

Washington, D.C.San Luis Potosí

IAD - SLP

IADSLP

Washington, D.C. Dulles Intl

Thu 5/28

6:00 am-7:35 pm

2 stops15h 35m

San Luis Potosi

Wed 6/3

6:10 am-3:10 pm

1 stop7h 00m

$561

Washington, D.C.San Luis Potosí

IAD - SLP

IADSLP

Washington, D.C. Dulles Intl

Fri 4/10

6:15 am-7:05 pm

2 stops38h 50m

San Luis Potosi

Mon 4/20

2:19 pm-12:36 am

2 stops32h 17m

$564

Washington, D.C.San Luis Potosí

IAD - SLP

IADSLP

Washington, D.C. Dulles Intl

Wed 4/29

5:05 pm-11:15 pm

1 stop8h 10m

San Luis Potosi

Wed 5/13

8:30 am-12:51 am

2 stops14h 21m

$567

Washington, D.C.San Luis Potosí

IAD - SLP

IADSLP

Washington, D.C. Dulles Intl

Wed 4/29

12:37 pm-11:15 pm

2 stops12h 38m

San Luis Potosi

Wed 5/13

8:30 am-12:46 am

2 stops14h 16m

$571

Washington, D.C.San Luis Potosí

IAD - SLP

IADSLP

Washington, D.C. Dulles Intl

Wed 4/8

8:11 pm-11:00 am

2 stops16h 49m

San Luis Potosi

Wed 4/15

12:09 pm-11:59 pm

2 stops9h 50m

$576

Washington, D.C.San Luis Potosí

IAD - SLP

IADSLP

Washington, D.C. Dulles Intl

Fri 5/1

5:05 pm-11:15 pm

1 stop8h 10m

San Luis Potosi

Wed 5/13

6:10 am-3:10 pm

1 stop7h 00m

$577

Washington, D.C.San Luis Potosí

IAD - SLP

IADSLP

Washington, D.C. Dulles Intl

Mon 4/6

9:19 am-11:00 am

2 stops27h 41m

San Luis Potosi

Mon 4/13

12:09 pm-5:09 pm

1 stop27h 00m

$579

Washington, D.C.San Luis Potosí

IAD - SLP

IADSLP

Washington, D.C. Dulles Intl

Sat 4/11

7:18 am-4:05 pm

1 stop10h 47m

San Luis Potosi

Mon 4/20

6:00 am-3:10 pm

1 stop7h 10m

$581

Washington, D.C.San Luis Potosí

IAD - SLP

IADSLP

Washington, D.C. Dulles Intl

Mon 4/6

2:03 pm-11:00 am

2 stops22h 57m

San Luis Potosi

Mon 4/13

12:09 pm-6:41 pm

2 stops28h 32m

$585

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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See travel insights to San Luis Potosí from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport 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 airline that flies from Washington, D.C. Dulles Intl to San Luis Potosi?

United Airlines and Delta are the most popular carriers operating from Washington, D.C. Dulles Intl to San Luis Potosi

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. Dulles Intl Airport according to our data. United Airlines is the first choice among our users, with 52% 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. Dulles Intl Airport to San Luis Potosí

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport to San Luis Potosí (IAD to SLP) flight deals and tips

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

Fastest flight time

7h 54m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to San Luis Potosí takes 7h 54m
There are no direct flights from Washington, D.C. Dulles Intl Airport to San Luis Potosí. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to San Luis Potosí.
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  • How far is Washington, D.C. Dulles Intl to San Luis Potosi by plane?

    There are 1807.4 mi between Washington, D.C. Dulles Intl and San Luis Potosi. 7h 54m is a normal flight duration for this route.

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

    Prices for flights from Washington, D.C. Dulles Intl Airport to San Luis Potosi Airport are updated daily.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to San Luis Potosi Airport.

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

    The required travel and health documents for your San Luis Potosi Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Luis Potosi Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Washington, D.C. Dulles Intl Airport to San Luis Potosí?

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

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to San Luis Potosí with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $407Free CancellationRating
7.4
9,341 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?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Luis Potosí from Washington, D.C..

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

Yes. momondo enables you to select and highlight flights to San Luis Potosí from Washington, D.C. with this policy.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to San Luis Potosí from Washington, D.C..

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?

If you are simply researching potential flights to San Luis Potosí, momondo offers a useful price alert feature which will track prices for flights to San Luis Potosí from Washington, D.C. and alert you when they 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
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Delta