$166+ Cheap flights from Washington, D.C. (WAS) to San Luis Potosí, Mexico (SLP)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/15. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — SLP
Aug 7 — Aug 141
Round-trip
1 adult, Economy
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Find cheap flights from Washington, D.C. to San Luis Potosí with Cheapflights
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Washington, D.C. to San Luis Potosí
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Cheapest flights from Washington, D.C. to San Luis PotosíExplore the most affordable flight options available from Washington, D.C. to San Luis Potosí. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 8, 2026.
Explore the most affordable flight options available from Washington, D.C. to San Luis Potosí. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 8, 2026.
This Priceline deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/202:24 pm
BWI
- SLP
1 stop24h 37m
Frontier
Thu 8/272:48 pm
SLP
- BWI
1 stop27h 49m
Frontier
Deal found 7/6![Frontier logo]()
$439
This Delta deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/282:18 pm
BWI
- SLP
2 stops10h 36m
Delta
Tue 9/19:12 am
SLP
- BWI
2 stops10h 15m
Delta
Deal found 7/6![Delta logo]()
$471
This Kiwi.com deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/218:39 pm
IAD
- SLP
2 stops18h 55m
Multiple Airlines
Fri 8/281:51 pm
SLP
- IAD
1 stop26h 38m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$481
This Aeromexico deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/308:15 am
BWI
- SLP
2 stops26h 10m
Aeromexico
Thu 10/16:05 pm
SLP
- BWI
2 stops25h 22m
Aeromexico
Deal found 7/4![Aeromexico logo]()
$509
This Delta deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:21 am
BWI
- SLP
2 stops12h 53m
Delta
Thu 8/279:07 am
SLP
- BWI
2 stops10h 16m
Delta
Deal found 7/6![Delta logo]()
$513
This Kiwi.com deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1011:09 am
BWI
- SLP
2 stops29h 41m
Multiple Airlines
Sun 10/181:29 pm
SLP
- BWI
1 stop18h 45m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$542
This Frontier deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/248:39 pm
IAD
- SLP
2 stops18h 55m
Frontier
Wed 8/265:02 pm
SLP
- IAD
2 stops13h 02m
Frontier
Deal found 7/5![Frontier logo]()
$544
This Kiwi.com deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/268:59 am
IAD
- SLP
2 stops15h 32m
Multiple Airlines
Sun 8/301:51 pm
SLP
- IAD
1 stop26h 38m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$554
This Kiwi.com deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/101:38 pm
IAD
- SLP
1 stop25h 23m
Multiple Airlines
Sun 10/181:51 pm
SLP
- IAD
1 stop20h 52m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$563
This Kiwi.com deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/248:59 am
IAD
- SLP
2 stops15h 32m
Multiple Airlines
Fri 8/281:51 pm
SLP
- IAD
1 stop26h 38m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$595
This Kiwi.com deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/294:44 pm
BWI
- SLP
1 stop22h 50m
Multiple Airlines
Mon 8/171:51 pm
SLP
- BWI
2 stops25h 52m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$597
This Kiwi.com deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/248:59 am
IAD
- SLP
2 stops15h 32m
Multiple Airlines
Sun 8/301:51 pm
SLP
- IAD
1 stop26h 38m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$599
Best flights from Washington, D.C. to San Luis PotosíDiscover carefully curated flight deals from Washington, D.C. to San Luis Potosí that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 8, 2026.
Discover carefully curated flight deals from Washington, D.C. to San Luis Potosí that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 8, 2026.
This Delta deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/282:18 pm
BWI
- SLP
2 stops10h 36m
Delta
Tue 9/19:12 am
SLP
- BWI
2 stops10h 15m
Delta
Deal found 7/6![Delta logo]()
$471
This United Airlines deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/223:04 pm
BWI
- SLP
1 stop6h 08m
United Airlines
Tue 8/257:12 am
SLP
- BWI
1 stop7h 16m
United Airlines
Deal found 7/5![United Airlines logo]()
$608
This American Airlines deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/67:26 am
BWI
- SLP
1 stop29h 34m
American Airlines
Wed 8/1211:50 am
SLP
- BWI
1 stop28h 44m
American Airlines
Deal found 7/4![American Airlines logo]()
$651
This Aeromexico deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:00 am
DCA
- SLP
2 stops9h 00m
Aeromexico
Fri 8/288:57 am
SLP
- DCA
2 stops9h 36m
Aeromexico
Deal found 7/6![Aeromexico logo]()
$813
This United Airlines deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/201:15 pm
BWI
- SLP
1 stop7h 57m
United Airlines
Thu 8/277:12 am
SLP
- BWI
2 stops13h 48m
United Airlines
Deal found 7/6![United Airlines logo]()
$617
This Delta deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/34:50 pm
IAD
- SLP
1 stop9h 05m
Delta
Mon 8/316:02 am
SLP
- IAD
1 stop7h 17m
Delta
Deal found 7/3![Delta logo]()
$658
This American Airlines deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/37:17 pm
BWI
- SLP
1 stop17h 35m
American Airlines
Mon 8/3111:50 am
SLP
- BWI
1 stop9h 51m
American Airlines
Deal found 7/3![American Airlines logo]()
$666
This Delta deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/204:53 pm
IAD
- SLP
1 stop8h 01m
Delta
Thu 8/276:02 am
SLP
- IAD
1 stop7h 17m
Delta
Deal found 7/6![Delta logo]()
$658
This United Airlines deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2012:57 pm
DCA
- SLP
1 stop8h 15m
United Airlines
Thu 8/277:12 am
SLP
- DCA
1 stop6h 52m
United Airlines
Deal found 7/6![United Airlines logo]()
$673
This American Airlines deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/285:00 am
DCA
- SLP
1 stop8h 00m
American Airlines
Tue 9/111:50 am
SLP
- DCA
2 stops10h 09m
American Airlines
Deal found 7/6![American Airlines logo]()
$677
This Delta deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/296:21 am
BWI
- SLP
2 stops12h 53m
Delta
Mon 8/179:07 am
SLP
- BWI
2 stops21h 13m
Delta
Deal found 7/4![Delta logo]()
$661
This American Airlines deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/286:09 am
IAD
- SLP
1 stop6h 51m
American Airlines
Tue 9/111:50 am
SLP
- IAD
1 stop24h 12m
American Airlines
Deal found 7/6![American Airlines logo]()
$688
This United Airlines deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/36:05 am
BWI
- SLP
1 stop6h 44m
United Airlines
Mon 8/317:12 am
SLP
- BWI
2 stops13h 48m
United Airlines
Deal found 7/5![United Airlines logo]()
$722
This Delta deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/202:00 pm
DCA
- SLP
2 stops10h 54m
Delta
Thu 8/279:07 am
SLP
- DCA
2 stops9h 26m
Delta
Deal found 7/6![Delta logo]()
$673
This American Airlines deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/38:22 pm
IAD
- SLP
2 stops16h 30m
American Airlines
Mon 8/3111:50 am
SLP
- IAD
1 stop24h 12m
American Airlines
Deal found 7/4![American Airlines logo]()
$714
This Delta deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/46:59 am
DCA
- SLP
2 stops15h 31m
Delta
Mon 8/108:02 am
SLP
- DCA
2 stops13h 23m
Delta
Deal found 7/5![Delta logo]()
$673
This American Airlines deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/33:13 pm
DCA
- SLP
1 stop21h 39m
American Airlines
Mon 8/3111:50 am
SLP
- DCA
2 stops10h 09m
American Airlines
Deal found 7/3![American Airlines logo]()
$718
This Delta deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/224:53 pm
IAD
- SLP
1 stop17h 22m
Delta
Wed 8/266:02 am
SLP
- IAD
1 stop7h 17m
Delta
Deal found 7/5![Delta logo]()
$678
This Delta deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2610:16 am
IAD
- SLP
2 stops23h 59m
Delta
Sun 8/306:02 am
SLP
- IAD
2 stops25h 18m
Delta
Deal found 7/5![Delta logo]()
$693
This Delta deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/228:28 am
IAD
- SLP
2 stops25h 47m
Delta
Fri 8/286:02 am
SLP
- IAD
2 stops16h 32m
Delta
Deal found 7/5![Delta logo]()
$713
This Delta deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/291:50 pm
DCA
- SLP
2 stops21h 56m
Delta
Mon 8/179:07 am
SLP
- DCA
2 stops20h 42m
Delta
Deal found 7/4![Delta logo]()
$763
This Delta deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/39:00 am
DCA
- SLP
2 stops13h 30m
Delta
Mon 8/316:02 am
SLP
- DCA
2 stops13h 58m
Delta
Deal found 7/4![Delta logo]()
$778
Last-minute flights from Washington, D.C. to San Luis PotosíDiscover last-minute flight deals from Washington, D.C. to San Luis Potosí. Data last updated July 8, 2026 and is based on user searches.
Discover last-minute flight deals from Washington, D.C. to San Luis Potosí. Data last updated July 8, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/294:44 pm
BWI
- SLP
1 stop22h 50m
Multiple Airlines
Mon 8/171:51 pm
SLP
- BWI
2 stops25h 52m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$597
This Kiwi.com deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2911:11 am
IAD
- SLP
2 stops13h 20m
Multiple Airlines
Mon 8/171:51 pm
SLP
- IAD
1 stop26h 38m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$601
This Kiwi.com deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/309:28 pm
BWI
- SLP
2 stops27h 03m
Multiple Airlines
Mon 8/171:51 pm
SLP
- BWI
1 stop21h 49m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$602
This Priceline deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/202:24 pm
BWI
- SLP
1 stop24h 37m
Frontier
Thu 8/272:48 pm
SLP
- BWI
1 stop27h 49m
Frontier
Deal found 7/6![Frontier logo]()
$439
This Delta deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:21 am
BWI
- SLP
2 stops12h 53m
Delta
Thu 8/279:07 am
SLP
- BWI
2 stops10h 16m
Delta
Deal found 7/6![Delta logo]()
$513
This Kiwi.com deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/218:39 pm
IAD
- SLP
2 stops18h 55m
Multiple Airlines
Fri 8/281:51 pm
SLP
- IAD
1 stop26h 38m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$481
This Aeromexico deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/222:18 pm
BWI
- SLP
2 stops19h 57m
Aeromexico
Tue 8/256:02 am
SLP
- BWI
2 stops13h 25m
Aeromexico
Deal found 7/7![Aeromexico logo]()
$606
This Frontier deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/248:39 pm
IAD
- SLP
2 stops18h 55m
Frontier
Wed 8/265:02 pm
SLP
- IAD
2 stops13h 02m
Frontier
Deal found 7/5![Frontier logo]()
$544
This Kiwi.com deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/248:59 am
IAD
- SLP
2 stops15h 32m
Multiple Airlines
Fri 8/281:51 pm
SLP
- IAD
1 stop26h 38m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$595
This Kiwi.com deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/248:59 am
IAD
- SLP
2 stops15h 32m
Multiple Airlines
Sun 8/301:51 pm
SLP
- IAD
1 stop26h 38m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$599
This Kiwi.com deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/268:59 am
IAD
- SLP
2 stops15h 32m
Multiple Airlines
Sun 8/301:51 pm
SLP
- IAD
1 stop26h 38m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$554
This Delta deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/282:18 pm
BWI
- SLP
2 stops10h 36m
Delta
Tue 9/19:12 am
SLP
- BWI
2 stops10h 15m
Delta
Deal found 7/6![Delta logo]()
$471
One-way flights from Washington, D.C. to San Luis PotosíSearch for one-way flight options from Washington, D.C. to San Luis Potosí. Find affordable one-way fares based on user searches. Data last updated July 8, 2026.
Search for one-way flight options from Washington, D.C. to San Luis Potosí. Find affordable one-way fares based on user searches. Data last updated July 8, 2026.
This Expedia deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/159:57 pm
IAD
- SLP
1 stop17h 04m
Frontier
Deal found 7/6![Frontier logo]()
$166
This Priceline deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/152:25 pm
BWI
- SLP
1 stop24h 36m
Frontier
Deal found 7/6![Frontier logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/156:35 am
BWI
- SLP
2 stops32h 26m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$263
This Kiwi.com deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/156:49 am
IAD
- SLP
2 stops32h 12m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$273
This Kiwi.com deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/99:32 pm
BWI
- SLP
3 stops26h 59m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$291
This Kiwi.com deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/97:00 am
DCA
- SLP
3 stops41h 31m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$293
This Kiwi.com deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/151:59 pm
DCA
- SLP
2 stops25h 02m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$294
This Kiwi.com deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/98:33 pm
IAD
- SLP
3 stops27h 58m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$300
This Delta deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/236:21 am
BWI
- SLP
2 stops13h 13m
Delta
Deal found 7/6![Delta logo]()
$314
This United Airlines deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/96:05 am
BWI
- SLP
1 stop6h 44m
United Airlines
Deal found 7/6![United Airlines logo]()
$321
This American Airlines deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/97:20 pm
BWI
- SLP
1 stop17h 40m
American Airlines
Deal found 7/6![American Airlines logo]()
$325
This United Airlines deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/236:00 am
BWI
- SLP
1 stop15h 12m
United Airlines
Deal found 7/6![United Airlines logo]()
$342
Find flight deals from Washington, D.C. to San Luis Potosí
Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to San Luis Potosí (SLP). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $439 (Priceline) |
One-way from | $166 (Expedia) |
Popular in | November |
Cheapest in | March |
Average price | $662 |
Cheapflights Fare Finder
Customize your flight search to find flights from Washington, D.C. 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, Cheapflights users made 2,558,603 searches. Data last updated July 8, 2026.
Use the filters below to find and compare flights from Washington, D.C. to San Luis Potosí that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BaltimoreSan Luis Potosí
BWI - SLP
BWISLP
Baltimore/Washington
Fri 8/28
2:18 pm-10:54 pm
2 stops10h 36m
San Luis Potosi
Tue 9/1
9:12 am-9:27 pm
2 stops10h 15m
$471
Quickest round-trip
BaltimoreSan Luis Potosí
BWI - SLP
BWISLP
Baltimore/Washington
Sat 8/22
3:04 pm-7:12 pm
1 stop6h 08m
San Luis Potosi
Tue 8/25
7:12 am-4:28 pm
1 stop7h 16m
$608
BaltimoreSan Luis Potosí
BWI - SLP
BWISLP
Baltimore/Washington
Thu 8/20
1:15 pm-7:12 pm
1 stop7h 57m
San Luis Potosi
Thu 8/27
7:12 am-11:00 pm
2 stops13h 48m
$617
BaltimoreSan Luis Potosí
BWI - SLP
BWISLP
Baltimore/Washington
Thu 8/6
7:26 am-11:00 am
1 stop29h 34m
San Luis Potosi
Wed 8/12
11:50 am-6:34 pm
1 stop28h 44m
$651
Washington, D.C.San Luis Potosí
IAD - SLP
IADSLP
Washington, D.C. Dulles Intl
Mon 8/3
4:50 pm-11:55 pm
1 stop9h 05m
San Luis Potosi
Mon 8/31
6:02 am-3:19 pm
1 stop7h 17m
$658
Washington, D.C.San Luis Potosí
IAD - SLP
IADSLP
Washington, D.C. Dulles Intl
Thu 8/20
4:53 pm-10:54 pm
1 stop8h 01m
San Luis Potosi
Thu 8/27
6:02 am-3:19 pm
1 stop7h 17m
$658
BaltimoreSan Luis Potosí
BWI - SLP
BWISLP
Baltimore/Washington
Wed 7/29
6:21 am-5:14 pm
2 stops12h 53m
San Luis Potosi
Mon 8/17
9:07 am-8:20 am
2 stops21h 13m
$661
BaltimoreSan Luis Potosí
BWI - SLP
BWISLP
Baltimore/Washington
Mon 8/3
7:17 pm-10:52 am
1 stop17h 35m
San Luis Potosi
Mon 8/31
11:50 am-11:41 pm
1 stop9h 51m
$666
Washington, D.C.San Luis Potosí
DCA - SLP
DCASLP
Washington, D.C. Reagan-National
Thu 8/20
12:57 pm-7:12 pm
1 stop8h 15m
San Luis Potosi
Thu 8/27
7:12 am-4:04 pm
1 stop6h 52m
$673
Washington, D.C.San Luis Potosí
DCA - SLP
DCASLP
Washington, D.C. Reagan-National
Thu 8/20
2:00 pm-10:54 pm
2 stops10h 54m
San Luis Potosi
Thu 8/27
9:07 am-8:33 pm
2 stops9h 26m
$673
Showing 1-10 of 32 resultsSorted by cheapest first
Compare providers for flights from Washington, D.C. to San Luis Potosí
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Washington, D.C. to San Luis Potosí in July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Washington, D.C.-San Luis Potosí flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C.-San Luis Potosí flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C.-San Luis Potosí flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Washington, D.C.-San Luis Potosí flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C.-San Luis Potosí flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Washington, D.C. to San Luis Potosí
Have a flexible travel schedule? Discover the best time to fly to San Luis Potosí from Washington, D.C. with our price prediction graph.
WAS-SLP
BWI-SLP
IAD-SLP
DCA-SLP
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Washington, D.C. to San Luis Potosí
WAS-SLP
BWI-SLP
IAD-SLP
DCA-SLP
How much does it cost to fly round-trip from Washington, D.C. to San Luis Potosí?
Reviews of airlines servicing San Luis Potosí
Get insights into the airlines that provide service to San Luis Potosí. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Luis Potosí. Reviews last updated July 8, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andAmerican Airlines from Washington, D.C. to San Luis Potosí by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Overall
7.8
Food
7.2
Entertainment
7.8
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Overall
7.8
Food
7.2
Entertainment
7.8
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Overall
7.8
Food
7.2
Entertainment
7.8
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Overall
7.8
Food
7.2
Entertainment
7.8
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from Washington, D.C. to San Luis Potosí. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Washington, D.C. and San Luis Potosí flights
Browse other Washington, D.C. and San Luis Potosí flight options. Last updated on July 8, 2026.
Other flights from Washington, D.C.
Browse through other flights departing from Washington, D.C.. Flights are based on user searches made on Cheapflights and were last updated on July 8, 2026.
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Check out other popular destinations found by fellow travelers in 2026
Other flights to San Luis Potosí
Explore flights to San Luis Potosí departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 8, 2026.
Top airline flying from Washington, D.C. to San Luis Potosí
Discover the top airline that operate flights from Washington, D.C. to San Luis Potosí. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$407 | Average$678 | FlexibilityNo cancel fee | On-time69% |