IAD - SLP

$377 Find Cheap Flights from Washington, D.C. to San Luis Potosí - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$422
Typical prices: $486-$678
Multiple Airlines
Wed 11/21Wed 11/28
IAD - SLP • 2 stops
Cheapest one-way
$377
Typical prices: $268-$489
Volaris
Thu 12/20
IAD - SLP • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Washington, D.C. Dulles Intl Airport and San Luis Potosí. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
February
Cheapest • 25% price drop
January
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Dallas/Fort Worth (DFW)
Cheapest • Avg $550 (round-trip)
Mexico City Benito Juarez (MEX)
Shortest trip • 8h 11m (one-way)
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Insights
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We hope you love your trip to San Luis Potosí!
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Flight Deals

Cheap Flights from Washington, D.C. to San Luis Potosí (IAD-SLP)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Washington, D.C. to San Luis Potosí

Sat, Nov 21 - Sat, Nov 28
Multiple Airlines Logo
9:35 pm - 7:13 pmIAD  Washington, D.C. Dulles Intl-SLP San Luis Potosi
22h 38m2 stops Orlando Dallas/Fort Worth
Multiple Airlines Logo
9:36 am - 5:00 amSLP  San Luis Potosi-IAD Washington, D.C. Dulles Intl
18h 24m1 stop Guadalajara Miguel Hidal
$422Multiple Airlines
Sat, Nov 21 - Sat, Nov 28
Multiple Airlines Logo
9:35 pm - 7:13 pmIAD  Washington, D.C. Dulles Intl-SLP San Luis Potosi
22h 38m2 stops Orlando Dallas/Fort Worth
Multiple Airlines Logo
9:36 am - 5:00 amSLP  San Luis Potosi-IAD Washington, D.C. Dulles Intl
18h 24m1 stop Guadalajara Miguel Hidal
$430Multiple Airlines
Sat, Oct 10 - Mon, Oct 12
Frontier Logo
12:30 pm - 12:33 pmIAD  Washington, D.C. Dulles Intl-SLP San Luis Potosi
26h 03m1 stop Dallas/Fort Worth
Frontier Logo
1:36 pm - 11:34 amSLP  San Luis Potosi-IAD Washington, D.C. Dulles Intl
19h 58m1 stop Dallas/Fort Worth
$432Frontier
Fri, Oct 30 - Fri, Nov 6
Multiple Airlines Logo
6:40 am - 10:31 pmIAD  Washington, D.C. Dulles Intl-SLP San Luis Potosi
17h 51m1 stop Guadalajara Miguel Hidal
Multiple Airlines Logo
1:20 pm - 11:36 amSLP  San Luis Potosi-IAD Washington, D.C. Dulles Intl
21h 16m1 stop Dallas/Fort Worth
$433Multiple Airlines
Wed, Oct 28 - Sat, Nov 7
Volaris Logo
6:40 am - 10:31 pmIAD  Washington, D.C. Dulles Intl-SLP San Luis Potosi
17h 51m1 stop Guadalajara Miguel Hidal
Volaris Logo
9:32 am - 5:00 amSLP  San Luis Potosi-IAD Washington, D.C. Dulles Intl
18h 28m2 stops Puerto Vallarta Ordaz Guadalajara Miguel Hidal
$438Volaris
Fri, Oct 30 - Fri, Nov 6
Multiple Airlines Logo
6:40 am - 10:31 pmIAD  Washington, D.C. Dulles Intl-SLP San Luis Potosi
17h 51m1 stop Guadalajara Miguel Hidal
Multiple Airlines Logo
7:00 am - 11:43 pmSLP  San Luis Potosi-IAD Washington, D.C. Dulles Intl
15h 43m2 stops Cancun Atlanta Hartsfield-Jackson
$439Multiple Airlines
Fri, Oct 23 - Mon, Oct 26
Frontier Logo
9:06 pm - 1:34 pmIAD  Washington, D.C. Dulles Intl-SLP San Luis Potosi
18h 28m2 stops Atlanta Hartsfield-Jackson Houston George Bush Intcntl
Frontier Logo
1:36 pm - 11:36 amSLP  San Luis Potosi-IAD Washington, D.C. Dulles Intl
20h 00m1 stop Dallas/Fort Worth
$471Frontier
Wed, Oct 28 - Sat, Nov 7
Volaris Logo
6:40 am - 10:31 pmIAD  Washington, D.C. Dulles Intl-SLP San Luis Potosi
17h 51m1 stop Guadalajara Miguel Hidal
Volaris Logo
9:32 am - 5:00 amSLP  San Luis Potosi-IAD Washington, D.C. Dulles Intl
18h 28m3 stops Puerto Vallarta Ordaz Mexico City Toluca Intl Guadalajara Miguel Hidal
$472Volaris
Wed, Oct 28 - Sat, Nov 7
United Airlines Logo
2:38 pm - 7:57 pmIAD  Washington, D.C. Dulles Intl-SLP San Luis Potosi
7h 19m1 stop Houston George Bush Intcntl
United Airlines Logo
12:49 pm - 12:37 amSLP  San Luis Potosi-IAD Washington, D.C. Dulles Intl
10h 48m1 stop Houston George Bush Intcntl
$726United Airlines
Wed, Dec 16 - Fri, Jan 8
United Airlines Logo
6:00 am - 8:57 pmIAD  Washington, D.C. Dulles Intl-SLP San Luis Potosi
15h 57m1 stop Houston George Bush Intcntl
United Airlines Logo
12:49 pm - 9:12 pmSLP  San Luis Potosi-IAD Washington, D.C. Dulles Intl
7h 23m1 stop Houston George Bush Intcntl
$1,175United Airlines
Booking Insights

Price, demand and travel trends for Washington, D.C. Dulles Intl Airport to San Luis Potosí flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Washington, D.C. Dulles Intl Airport to San Luis Potosí with more confidence.

What is the cheapest airline to fly from Washington, D.C. Dulles Intl Airport to San Luis Potosí?

Frontier ($432) and Volaris ($438) are the cheapest airlines to fly round-trip from Washington, D.C. Dulles Intl Airport to San Luis Potosí according to KAYAK data over the last 5 days.

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Key details for Washington, D.C. Dulles Intl Airport to San Luis Potosí flights

Low season

September

Cheapest flight

$377
Most popular time to fly and prices are also 20% lower on average.
Flight from Washington, D.C. Dulles Intl Airport to San Luis Potosí

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

Are your dates flexible? Find out the best times to travel from Washington, D.C. to San Luis Potosí based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Washington, D.C. Dulles Intl Airport to San Luis Potosí flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from Washington, D.C. Dulles Intl Airport to San Luis Potosí?

    Flights from Washington, D.C. Dulles Intl Airport to San Luis Potosí usually depart from Washington, D.C. Dulles Intl (IAD) and arrive at San Luis Potosi (SLP).

  • What cabin classes can I book on flights from Washington, D.C. Dulles Intl Airport to San Luis Potosí?

    Only Economy Class is available on flights from Washington, D.C. Dulles Intl Airport to San Luis Potosí.

  • Which airports do connecting flights from Washington, D.C. Dulles Intl Airport to San Luis Potosí pass through?

    One-stop flights from Washington, D.C. Dulles Intl Airport to San Luis Potosí most commonly connect through:

    • Houston George Bush Intcntl (IAH) - 52% of one-stop connections
    • Dallas/Fort Worth (DFW) - 42% of one-stop connections
    • Mexico City Benito Juarez (MEX) - 6% of one-stop connections

    Houston George Bush Intcntl (IAH) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Washington, D.C. Dulles Intl Airport to San Luis Potosí?

    Yes. Being flexible with your travel dates can save you up to 47% on the Washington, D.C. Dulles Intl Airport to San Luis Potosí route. Thursday is the cheapest departure day at $508 round-trip on average, while Sunday is the most expensive at $944, a difference of $436. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How long is a flight from Washington, D.C. Dulles Intl Airport to San Luis Potosí?

    A nonstop flight from Washington, D.C. Dulles Intl Airport to San Luis Potosí takes 0h 00m, covering 1,800 miles.

  • Do I need a passport to fly from Washington, D.C. Dulles Intl Airport to San Luis Potosí?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Have flight prices from Washington, D.C. Dulles Intl Airport to San Luis Potosí changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $422 to $1,743. That means the highest observed fare was about 4x higher than the lowest one.

  • How are flight prices from Washington, D.C. Dulles Intl Airport to San Luis Potosí looking right now?

    One-way fares from Washington, D.C. Dulles Intl Airport to San Luis Potosí are currently higher than usual. Average one-way flight prices are about $527, which is 22% above the typical average for this route.

  • How much time can I save by choosing a different layover airport from Washington, D.C. Dulles Intl Airport to San Luis Potosí?

    Flying via Dallas/Fort Worth (DFW) gives the shortest average 1-stop total travel time at 8h 00m, compared with 8h 11m via Mexico City Benito Juarez (MEX) and 8h 49m via Houston George Bush Intcntl (IAH).

  • What is the time difference between Washington, D.C. Dulles Intl Airport and San Luis Potosí?

    San Luis Potosí is 2 hours behind Washington, D.C. Dulles Intl Airport (Central Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at San Luis Potosi Airport (SLP)?

    San Luis Potosi Airport (SLP) hosts 5 major car rental companies, with daily rates starting from around $4 for economy cars. Top options include:
    • Budget
    • Europcar
    • Hertz
    • Fox
    • Avis

  • How much should I expect to pay for a Washington, D.C. Dulles Intl Airport to San Luis Potosí flight?

    Round-trip flights from Washington, D.C. Dulles Intl Airport to San Luis Potosí range from $486 to $678, with an average of $508 over the past 12 months. Anything below $486 counts as a good deal.

Your guide to booking Washington, D.C. Dulles Intl Airport to San Luis Potosí flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Thursday departure instead of Sunday. On this route, Thursday flights average $508 - about $436 less than Sunday (46% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Washington, D.C. Dulles Intl Airport to San Luis Potosí trip for February. Fares historically average $380 round-trip in that month - typically $458 less than the most expensive month, which is March (based on the last 12 months).

More options for your flight from Washington, D.C. to San Luis Potosí

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