IAD - SLP

$158 Find Cheap Flights from Washington, D.C. to San Luis Potosí - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$348
Typical prices: $486-$678
Multiple Airlines
Wed 12/5Sat 12/8
IAD - SLP • 2 stops
Cheapest one-way
$158
Typical prices: $343-$665
Multiple Airlines
Fri 1/12
IAD - SLP • 2 stops
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
March
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Dallas/Fort Worth (DFW)
Cheapest • Avg $550 (round-trip)
Houston George Bush Intcntl (IAH)
Shortest trip • 7h 53m (one-way)
Insights
Insights
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We hope you love your trip to San Luis Potosí!
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Booking Insights
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, Dec 5 - Tue, Dec 8
Multiple Airlines Logo
10:35 pm - 7:13 pmIAD  Washington, D.C. Dulles Intl-SLP San Luis Potosi
21h 38m2 stops Atlanta Hartsfield-Jackson Dallas/Fort Worth
Multiple Airlines Logo
3:05 pm - 11:11 amSLP  San Luis Potosi-IAD Washington, D.C. Dulles Intl
19h 06m2 stops Houston George Bush Intcntl Atlanta Hartsfield-Jackson
$348Multiple Airlines
Sat, Dec 5 - Tue, Dec 8
Multiple Airlines Logo
6:33 pm - 7:13 pmIAD  Washington, D.C. Dulles Intl-SLP San Luis Potosi
25h 40m2 stops Atlanta Hartsfield-Jackson Dallas/Fort Worth
Multiple Airlines Logo
3:05 pm - 2:49 pmSLP  San Luis Potosi-IAD Washington, D.C. Dulles Intl
22h 44m3 stops Houston George Bush Intcntl Orlando Atlanta Hartsfield-Jackson
$395Multiple Airlines
Sat, Dec 5 - Tue, Dec 8
Frontier Logo
8:55 pm - 7:13 pmIAD  Washington, D.C. Dulles Intl-SLP San Luis Potosi
23h 18m1 stop Dallas/Fort Worth
Frontier Logo
3:05 pm - 11:11 amSLP  San Luis Potosi-IAD Washington, D.C. Dulles Intl
19h 06m2 stops Houston George Bush Intcntl Atlanta Hartsfield-Jackson
$396Frontier
Sat, Dec 5 - Tue, Dec 8
Multiple Airlines Logo
8:55 pm - 7:13 pmIAD  Washington, D.C. Dulles Intl-SLP San Luis Potosi
23h 18m1 stop 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
$401Multiple Airlines
Mon, Dec 14 - Mon, Dec 21
Multiple Airlines Logo
10:35 pm - 1:50 pmIAD  Washington, D.C. Dulles Intl-SLP San Luis Potosi
16h 15m2 stops Atlanta Hartsfield-Jackson Houston George Bush Intcntl
Multiple Airlines Logo
1:20 pm - 6:07 amSLP  San Luis Potosi-IAD Washington, D.C. Dulles Intl
15h 47m2 stops Dallas/Fort Worth Las Vegas Harry Reid Intl
$431Multiple Airlines
Mon, Dec 14 - Mon, Dec 21
Multiple Airlines Logo
6:33 pm - 1:50 pmIAD  Washington, D.C. Dulles Intl-SLP San Luis Potosi
20h 17m2 stops Atlanta Hartsfield-Jackson Houston George Bush Intcntl
Multiple Airlines Logo
1:20 pm - 1:00 pmSLP  San Luis Potosi-IAD Washington, D.C. Dulles Intl
22h 40m3 stops Dallas/Fort Worth Atlanta Hartsfield-Jackson Tampa
$452Multiple Airlines
Sat, Dec 5 - Tue, Dec 8
Multiple Airlines Logo
3:34 pm - 7:13 pmIAD  Washington, D.C. Dulles Intl-SLP San Luis Potosi
28h 39m3 stops Fort Lauderdale Atlanta Hartsfield-Jackson Dallas/Fort Worth
Multiple Airlines Logo
3:05 pm - 2:49 pmSLP  San Luis Potosi-IAD Washington, D.C. Dulles Intl
22h 44m3 stops Houston George Bush Intcntl Orlando Atlanta Hartsfield-Jackson
$467Multiple Airlines
Mon, Dec 14 - Mon, Dec 21
Multiple Airlines Logo
3:34 pm - 1:50 pmIAD  Washington, D.C. Dulles Intl-SLP San Luis Potosi
23h 16m3 stops Fort Lauderdale Atlanta Hartsfield-Jackson Houston George Bush Intcntl
Multiple Airlines Logo
1:20 pm - 1:00 pmSLP  San Luis Potosi-IAD Washington, D.C. Dulles Intl
22h 40m3 stops Dallas/Fort Worth Atlanta Hartsfield-Jackson Tampa
$503Multiple Airlines
Mon, Dec 14 - Mon, Dec 21
United Airlines Logo
2:24 pm - 8:57 pmIAD  Washington, D.C. Dulles Intl-SLP San Luis Potosi
7h 33m1 stop Houston George Bush Intcntl
United Airlines Logo
12:49 pm - 10:41 pmSLP  San Luis Potosi-IAD Washington, D.C. Dulles Intl
8h 52m1 stop Houston George Bush Intcntl
$802United Airlines
Sat, Dec 5 - Tue, Dec 8
United Airlines Logo
6:00 am - 11:49 amIAD  Washington, D.C. Dulles Intl-SLP San Luis Potosi
6h 49m1 stop Houston George Bush Intcntl
United Airlines Logo
6:00 am - 8:49 pmSLP  San Luis Potosi-IAD Washington, D.C. Dulles Intl
13h 49m1 stop Houston George Bush Intcntl
$879United 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 with more confidence.

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

Frontier ($396) and United Airlines ($802) 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

October

Cheapest flight

$158
Beat the crowds with an average 90% drop in travelers.
The most popular month to fly with an average 24% increase in travelers.
One-way 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 answers about this route, including flight times, airports, airlines and booking tips.

  • 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.

  • 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 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.

  • 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.

  • 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 $348 to $2,424. That means the highest observed fare was about 7x 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 in line with typical prices for this route. Average one-way fares are about $387.

  • 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 averaging $26 for economy cars. Top options include:

    • Budget
    • Europcar
    • Fox
    • Hertz
    • Avis

  • 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).

  • 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:

    • Dallas/Fort Worth (DFW) - 45% of one-stop connections
    • Houston George Bush Intcntl (IAH) - 45% of one-stop connections
    • Mexico City Benito Juarez (MEX) - 10% of one-stop connections

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

    Yes. Flexible dates can save you up to 36% on flights from Washington, D.C. Dulles Intl Airport to San Luis Potosí. Thursday is the cheapest departure day at $508 round-trip on average, while Sunday is the most expensive at $787, a difference of $279.

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

    Flying via Houston George Bush Intcntl (IAH) gives the shortest average 1-stop total travel time at 7h 53m, compared with 8h via Dallas/Fort Worth (DFW) and 8h 11m via Mexico City Benito Juarez (MEX).

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

    San Luis Potosí is 1 hour behind Washington, D.C. Dulles Intl Airport (Central Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

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 are flexible, aim for a Thursday departure and avoid flying on Sunday. On this route, Thursday flights average $508, about $279 less than Sunday fares (35% 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

Complete your trip to San Luis Potosí with a hotel stay or car rental

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