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Cheap flights from Washington, D.C. Dulles Intl Airport to San Luis Potosí from $283

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 6/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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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.
Frontier Logo
3:08 pm - 1:26 pm
IAD
-
SLP
24h 18m
2 stops
Frontier Logo
2:00 pm - 4:21 pm
SLP
-
IAD
24h 21m
2 stops
$546Frontier
Fri, May 1 - Wed, May 13
Aeromexico Logo
5:09 pm - 12:10 am
IAD
-
SLP
9h 01m
1 stop
Aeromexico Logo
8:03 pm - 3:17 pm
SLP
-
IAD
17h 14m
1 stop
$617Aeromexico
Thu, Aug 6 - Mon, Aug 10
Delta Logo
10:11 am - 10:54 pm
IAD
-
SLP
14h 43m
2 stops
Delta Logo
6:12 am - 3:14 pm
SLP
-
IAD
7h 02m
1 stop
$621Delta
Mon, May 11 - Thu, May 21
Delta Logo
10:11 am - 10:54 pm
IAD
-
SLP
14h 43m
2 stops
Delta Logo
6:12 am - 9:24 pm
SLP
-
IAD
13h 12m
2 stops
$631Delta
Mon, May 11 - Thu, May 21
Delta Logo
5:09 pm - 12:10 am
IAD
-
SLP
9h 01m
1 stop
Delta Logo
5:50 am - 3:17 pm
SLP
-
IAD
7h 27m
1 stop
$637Delta
Thu, Jul 16 - Sat, Jul 25
Aeromexico Logo
8:05 am - 4:00 pm
IAD
-
SLP
9h 55m
1 stop
Aeromexico Logo
6:12 am - 3:14 pm
SLP
-
IAD
7h 02m
1 stop
$641Aeromexico
Thu, May 21 - Sat, May 30
Delta Logo
4:46 pm - 10:54 pm
IAD
-
SLP
8h 08m
1 stop
Delta Logo
8:17 am - 12:51 am
SLP
-
IAD
14h 34m
2 stops
$647Delta
Thu, May 7 - Thu, May 14
Delta Logo
6:00 am - 7:35 pm
IAD
-
SLP
15h 35m
2 stops
Delta Logo
6:12 am - 9:24 pm
SLP
-
IAD
13h 12m
2 stops
$651Delta
Thu, May 7 - Thu, May 14
American Airlines Logo
8:11 pm - 11:00 am
IAD
-
SLP
16h 49m
2 stops
American Airlines Logo
11:49 am - 8:50 am
SLP
-
IAD
19h 01m
2 stops
$656American Airlines
Fri, May 8 - Fri, May 22
Delta Logo
4:46 pm - 10:54 pm
IAD
-
SLP
8h 08m
1 stop
Delta Logo
6:12 am - 3:14 pm
SLP
-
IAD
7h 02m
1 stop
$657Delta
Fri, May 8 - Fri, May 22

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
Aug 6
IAD5:09 pmWashington, D.C. Dulles Intl
9h 01m
1 stop
SLP12:10 amSan Luis Potosi
Aug 10
SLP8:03 pmSan Luis Potosi
17h 14m
1 stop
IAD3:17 pmWashington, D.C. Dulles Intl
$617
Aeromexico
May 21
IAD8:05 amWashington, D.C. Dulles Intl
9h 55m
1 stop
SLP4:00 pmSan Luis Potosi
May 30
SLP6:12 amSan Luis Potosi
7h 02m
1 stop
IAD3:14 pmWashington, D.C. Dulles Intl
$641
Aeromexico
Sep 8
IAD5:09 pmWashington, D.C. Dulles Intl
7h 53m
1 stop
SLP11:02 pmSan Luis Potosi
Sep 10
SLP5:52 amSan Luis Potosi
7h 25m
1 stop
IAD3:17 pmWashington, D.C. Dulles Intl
$737

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
May 8
IAD8:11 pmWashington, D.C. Dulles Intl
16h 49m
2 stops
SLP11:00 amSan Luis Potosi
May 22
SLP11:49 amSan Luis Potosi
19h 01m
2 stops
IAD8:50 amWashington, D.C. Dulles Intl
$656
American Airlines
May 21
IAD1:06 pmWashington, D.C. Dulles Intl
23h 53m
2 stops
SLP10:59 amSan Luis Potosi
May 30
SLP11:52 amSan Luis Potosi
18h 58m
2 stops
IAD8:50 amWashington, D.C. Dulles Intl
$670
American Airlines
May 8
IAD8:11 pmWashington, D.C. Dulles Intl
16h 49m
2 stops
SLP11:00 amSan Luis Potosi
May 22
SLP11:49 amSan Luis Potosi
8h 58m
1 stop
IAD10:47 pmWashington, D.C. Dulles Intl
$676

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 April 9, 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

Cheapest round-trip

Washington, D.C.San Luis Potosí

IAD - SLP

IADSLP

Washington, D.C. Dulles Intl

Fri 5/1

3:08 pm-1:26 pm

2 stops24h 18m

San Luis Potosi

Wed 5/13

2:00 pm-4:21 pm

2 stops24h 21m

$546

Washington, D.C.San Luis Potosí

IAD - SLP

IADSLP

Washington, D.C. Dulles Intl

Thu 8/6

5:09 pm-12:10 am

1 stop9h 01m

San Luis Potosi

Mon 8/10

8:03 pm-3:17 pm

1 stop17h 14m

$617

Washington, D.C.San Luis Potosí

IAD - SLP

IADSLP

Washington, D.C. Dulles Intl

Mon 5/11

10:11 am-10:54 pm

2 stops14h 43m

San Luis Potosi

Thu 5/21

6:12 am-3:14 pm

1 stop7h 02m

$621

Washington, D.C.San Luis Potosí

IAD - SLP

IADSLP

Washington, D.C. Dulles Intl

Mon 5/11

10:11 am-10:54 pm

2 stops14h 43m

San Luis Potosi

Thu 5/21

6:12 am-9:24 pm

2 stops13h 12m

$631

Washington, D.C.San Luis Potosí

IAD - SLP

IADSLP

Washington, D.C. Dulles Intl

Thu 7/16

5:09 pm-12:10 am

1 stop9h 01m

San Luis Potosi

Sat 7/25

5:50 am-3:17 pm

1 stop7h 27m

$637

Washington, D.C.San Luis Potosí

IAD - SLP

IADSLP

Washington, D.C. Dulles Intl

Thu 5/21

8:05 am-4:00 pm

1 stop9h 55m

San Luis Potosi

Sat 5/30

6:12 am-3:14 pm

1 stop7h 02m

$641

Washington, D.C.San Luis Potosí

IAD - SLP

IADSLP

Washington, D.C. Dulles Intl

Thu 5/7

4:46 pm-10:54 pm

1 stop8h 08m

San Luis Potosi

Thu 5/14

8:17 am-12:51 am

2 stops14h 34m

$647

Washington, D.C.San Luis Potosí

IAD - SLP

IADSLP

Washington, D.C. Dulles Intl

Thu 5/7

6:00 am-7:35 pm

2 stops15h 35m

San Luis Potosi

Thu 5/14

6:12 am-9:24 pm

2 stops13h 12m

$651

Washington, D.C.San Luis Potosí

IAD - SLP

IADSLP

Washington, D.C. Dulles Intl

Fri 5/8

8:11 pm-11:00 am

2 stops16h 49m

San Luis Potosi

Fri 5/22

11:49 am-8:50 am

2 stops19h 01m

$656
Quickest round-trip

Washington, D.C.San Luis Potosí

IAD - SLP

IADSLP

Washington, D.C. Dulles Intl

Fri 5/8

4:46 pm-10:54 pm

1 stop8h 08m

San Luis Potosi

Fri 5/22

6:12 am-3:14 pm

1 stop7h 02m

$657

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 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 55% 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

6h 19m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to San Luis Potosí takes 6h 19m
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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Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to San Luis Potosí

  • 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. 6h 19m 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
9,554 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
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Delta