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.

$343 Cheap Flights from Washington, D.C. Dulles Intl Airport to San Luis Potosí in 2026

Discover deals from 900+ travel sites with momondo.

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

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:06 pm - 9:05 amIAD Washington, D.C. Dulles Intl-SLP San Luis Potosi

36h 59m2 stops Atlanta Hartsfield-Jackson Guadalajara Miguel Hidal

9:36 am - 5:00 amSLP San Luis Potosi-IAD Washington, D.C. Dulles Intl

18h 24m1 stop Guadalajara Miguel Hidal

$415Multiple Airlines

Thu, Nov 12 - Sat, Nov 21

10:51 am - 7:13 pmIAD Washington, D.C. Dulles Intl-SLP San Luis Potosi

9h 22m1 stop Dallas/Fort Worth

1:20 pm - 9:56 amSLP San Luis Potosi-IAD Washington, D.C. Dulles Intl

19h 36m1 stop Dallas/Fort Worth

$422Frontier

Mon, Dec 7 - Mon, Dec 14

9:06 pm - 9:05 amIAD Washington, D.C. Dulles Intl-SLP San Luis Potosi

36h 59m2 stops Atlanta Hartsfield-Jackson Guadalajara Miguel Hidal

9:36 am - 5:00 amSLP San Luis Potosi-IAD Washington, D.C. Dulles Intl

18h 24m1 stop Guadalajara Miguel Hidal

$438Multiple Airlines

Thu, Nov 12 - Sat, Nov 21

9:06 pm - 1:43 pmIAD Washington, D.C. Dulles Intl-SLP San Luis Potosi

17h 37m2 stops Atlanta Hartsfield-Jackson Houston George Bush Intcntl

1:20 pm - 11:36 amSLP San Luis Potosi-IAD Washington, D.C. Dulles Intl

21h 16m1 stop Dallas/Fort Worth

$440Frontier

Mon, Nov 2 - Mon, Nov 9

9:04 pm - 1:34 pmIAD Washington, D.C. Dulles Intl-SLP San Luis Potosi

18h 30m2 stops Atlanta Hartsfield-Jackson Houston George Bush Intcntl

1:51 pm - 3:34 pmSLP San Luis Potosi-IAD Washington, D.C. Dulles Intl

23h 43m1 stop Dallas/Fort Worth

$440Frontier

Fri, Sep 25 - Mon, Sep 28

6:40 am - 10:31 pmIAD Washington, D.C. Dulles Intl-SLP San Luis Potosi

17h 51m1 stop Guadalajara Miguel Hidal

7:04 am - 12:21 amSLP San Luis Potosi-IAD Washington, D.C. Dulles Intl

15h 17m2 stops Cancun Atlanta Hartsfield-Jackson

$442Multiple Airlines

Fri, Oct 2 - Thu, Oct 8

6:40 am - 10:31 pmIAD Washington, D.C. Dulles Intl-SLP San Luis Potosi

17h 51m1 stop Guadalajara Miguel Hidal

1:51 pm - 5:13 pmSLP San Luis Potosi-IAD Washington, D.C. Dulles Intl

25h 22m2 stops Dallas/Fort Worth Atlanta Hartsfield-Jackson

$459Multiple Airlines

Fri, Oct 16 - Fri, Oct 23

12:30 pm - 1:46 pmIAD Washington, D.C. Dulles Intl-SLP San Luis Potosi

27h 16m1 stop Dallas/Fort Worth

2:48 pm - 11:43 pmSLP San Luis Potosi-IAD Washington, D.C. Dulles Intl

30h 55m2 stops Houston George Bush Intcntl Atlanta Hartsfield-Jackson

$470Frontier

Tue, Oct 13 - Thu, Oct 29

3:02 pm - 7:12 pmIAD Washington, D.C. Dulles Intl-SLP San Luis Potosi

6h 10m1 stop Houston George Bush Intcntl

11:49 am - 8:49 pmSLP San Luis Potosi-IAD Washington, D.C. Dulles Intl

7h 00m1 stop Houston George Bush Intcntl

$663United Airlines

Tue, Oct 13 - Thu, Oct 29

10:18 pm - 7:12 pmIAD Washington, D.C. Dulles Intl-SLP San Luis Potosi

22h 54m1 stop Houston George Bush Intcntl

11:45 am - 10:30 pmSLP San Luis Potosi-IAD Washington, D.C. Dulles Intl

8h 45m1 stop Houston George Bush Intcntl

$833United Airlines

Fri, Oct 16 - Fri, Oct 23

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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

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

United Airlines

Oct 13

IAD3:02 pmWashington, D.C. Dulles Intl

6h 10m

1 stop

SLP7:12 pmSan Luis Potosi

Oct 29

SLP11:49 amSan Luis Potosi

7h 00m

1 stop

IAD8:49 pmWashington, D.C. Dulles Intl

$663

United Airlines

Oct 16

IAD10:18 pmWashington, D.C. Dulles Intl

22h 54m

1 stop

SLP7:12 pmSan Luis Potosi

Oct 23

SLP11:45 amSan Luis Potosi

8h 45m

1 stop

IAD10:30 pmWashington, D.C. Dulles Intl

$833

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

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

Frontier

Dec 7

IAD10:51 amWashington, D.C. Dulles Intl

9h 22m

1 stop

SLP7:13 pmSan Luis Potosi

Dec 14

SLP1:20 pmSan Luis Potosi

19h 36m

1 stop

IAD9:56 amWashington, D.C. Dulles Intl

$422

Frontier

Sep 25

IAD9:04 pmWashington, D.C. Dulles Intl

18h 30m

2 stops

SLP1:34 pmSan Luis Potosi

Sep 28

SLP1:51 pmSan Luis Potosi

23h 43m

1 stop

IAD3:34 pmWashington, D.C. Dulles Intl

$440

Frontier

Oct 13

IAD12:30 pmWashington, D.C. Dulles Intl

27h 16m

1 stop

SLP1:46 pmSan Luis Potosi

Oct 29

SLP2:48 pmSan Luis Potosi

30h 55m

2 stops

IAD11:43 pmWashington, D.C. Dulles Intl

$470

momondo Fare Finder

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 Washington, D.C. Dulles Intl - SLP San Luis Potosi

IADSLP

Washington, D.C. Dulles Intl

Thu 11/12

9:06 pm-9:05 am

2 stops36h 59m

San Luis Potosi

Sat 11/21

9:36 am-5:00 am

1 stop18h 24m

$415

Washington, D.C.San Luis Potosí

IAD Washington, D.C. Dulles Intl - SLP San Luis Potosi

IADSLP

Washington, D.C. Dulles Intl

Mon 12/7

10:51 am-7:13 pm

1 stop9h 22m

San Luis Potosi

Mon 12/14

1:20 pm-9:56 am

1 stop19h 36m

$422

Washington, D.C.San Luis Potosí

IAD Washington, D.C. Dulles Intl - SLP San Luis Potosi

IADSLP

Washington, D.C. Dulles Intl

Thu 11/12

9:06 pm-9:05 am

2 stops36h 59m

San Luis Potosi

Sat 11/21

9:36 am-5:00 am

1 stop18h 24m

$438

Washington, D.C.San Luis Potosí

IAD Washington, D.C. Dulles Intl - SLP San Luis Potosi

IADSLP

Washington, D.C. Dulles Intl

Mon 11/2

9:06 pm-1:43 pm

2 stops17h 37m

San Luis Potosi

Mon 11/9

1:20 pm-11:36 am

1 stop21h 16m

$440

Washington, D.C.San Luis Potosí

IAD Washington, D.C. Dulles Intl - SLP San Luis Potosi

IADSLP

Washington, D.C. Dulles Intl

Fri 9/25

9:04 pm-1:34 pm

2 stops18h 30m

San Luis Potosi

Mon 9/28

1:51 pm-3:34 pm

1 stop23h 43m

$440

Washington, D.C.San Luis Potosí

IAD Washington, D.C. Dulles Intl - SLP San Luis Potosi

IADSLP

Washington, D.C. Dulles Intl

Fri 10/2

6:40 am-10:31 pm

1 stop17h 51m

San Luis Potosi

Thu 10/8

7:04 am-12:21 am

2 stops15h 17m

$442

Washington, D.C.San Luis Potosí

IAD Washington, D.C. Dulles Intl - SLP San Luis Potosi

IADSLP

Washington, D.C. Dulles Intl

Fri 10/16

6:40 am-10:31 pm

1 stop17h 51m

San Luis Potosi

Fri 10/23

1:51 pm-5:13 pm

2 stops25h 22m

$459

Washington, D.C.San Luis Potosí

IAD Washington, D.C. Dulles Intl - SLP San Luis Potosi

IADSLP

Washington, D.C. Dulles Intl

Tue 10/13

12:30 pm-1:46 pm

1 stop27h 16m

San Luis Potosi

Thu 10/29

2:48 pm-11:43 pm

2 stops30h 55m

$470

Quickest round-trip

Washington, D.C.San Luis Potosí

IAD Washington, D.C. Dulles Intl - SLP San Luis Potosi

IADSLP

Washington, D.C. Dulles Intl

Tue 10/13

3:02 pm-7:12 pm

1 stop6h 10m

San Luis Potosi

Thu 10/29

11:49 am-8:49 pm

1 stop7h 00m

$663

Washington, D.C.San Luis Potosí

IAD Washington, D.C. Dulles Intl - SLP San Luis Potosi

IADSLP

Washington, D.C. Dulles Intl

Fri 10/16

10:18 pm-7:12 pm

1 stop22h 54m

San Luis Potosi

Fri 10/23

11:45 am-10:30 pm

1 stop8h 45m

$833

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. 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?

Delta, Volaris, and United Airlines 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 49% 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.

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

Best Price Found	$343
Fastest flight time	6h 10m
Direct flights	None

The best one-way flight to San Luis Potosí from Washington, D.C. Dulles Intl Airport in the past 72 hours is $343. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to San Luis Potosí found on momondo in the last 72 hours is $415.

The fastest flight from Washington, D.C. Dulles Intl Airport to San Luis Potosí takes 6h 10m

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.

Search flight deals

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 10m 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?
There is 1 operator available for flights from Washington, D.C. Dulles Intl Airport to San Luis Potosi Airport as of September 2026.
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?
Based on momondo bookings for flights between Washington, D.C. Dulles Intl Airport and San Luis Potosí, the leading airline is United Airlines, making up 100% of the total bookings.

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 Airlines	PriceFrom $407	Free Cancellation	Rating 7.4 10,171 reviews		Search United 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?

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.

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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Mon 10/5

Mon 10/12

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Mexico

Airlines

Cabin classes

Other Mexico destinations

Other flights from Washington, D.C. Dulles Intl Airport

Complete your trip

Feeling lucky

Fly your favorite airline to San Luis Potosí

United Airlines

American Airlines

Aeromexico

Cheap flights from Washington, D.C. Dulles Intl Airport to San Luis Potosí from $343

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

Cheap round-trip flights

Cheap one-way flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

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

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

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

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

momondo Fare Finder

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.

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

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

What airlines fly to San Luis Potosí?

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

Cheap Washington, D.C. Dulles Intl Airport to San Luis Potosí (IAD to SLP) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying 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

Traveling to a place near San Luis Potosí?

Why use momondo?

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

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.

Popular cities in Mexico

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Washington, D.C. Dulles Intl Airport

According to popular flight searches on momondo this year

Complete your trip to San Luis Potosí

Explore popular destinations other users love

According to popular flight searches on momondo this year