$182+ Cheap flights from Washington, D.C. (WAS) to Santiago de los Caballeros (STI)
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 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — STI
Sep 30 — Oct 71
Round-trip
1 adult, Economy
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Find cheap flights from Washington, D.C. to Santiago de los Caballeros with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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 Santiago de los Caballeros
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Cheapest flights from Washington, D.C. to Santiago de los CaballerosExplore the most affordable flight options available from Washington, D.C. to Santiago de los Caballeros. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 31, 2026.
Explore the most affordable flight options available from Washington, D.C. to Santiago de los Caballeros. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 31, 2026.
This American Airlines deal was found by Cheapflights users on 8/27. 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.
Tue 9/296:00 am -
1 stop8h 15m
Thu 10/153:12 pm -
1 stop7h 44m
Deal found 8/27![American Airlines logo]()
$398
This Delta deal was found by Cheapflights users on 8/27. 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 9/296:00 am -
2 stops11h 59m
Tue 10/207:05 pm -
2 stops18h 01m
Deal found 8/27![Delta logo]()
$403
This American Airlines deal was found by Cheapflights users on 8/30. 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 10/197:19 pm -
1 stop18h 53m
Sat 11/72:16 pm -
1 stop21h 45m
Deal found 8/30![American Airlines logo]()
$405
This American Airlines deal was found by Cheapflights users on 8/26. 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 10/57:19 pm -
1 stop18h 53m
Mon 10/193:12 pm -
1 stop27h 06m
Deal found 8/26![American Airlines logo]()
$406
This American Airlines deal was found by Cheapflights users on 8/27. 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 10/267:19 pm -
1 stop18h 53m
Fri 11/62:16 pm -
1 stop9h 42m
Deal found 8/27![American Airlines logo]()
$407
This American Airlines deal was found by Cheapflights users on 8/27. 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.
Wed 9/236:00 am -
1 stop8h 15m
Thu 10/13:15 pm -
2 stops18h 29m
Deal found 8/27![American Airlines logo]()
$408
This American Airlines deal was found by Cheapflights users on 8/27. 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.
Wed 9/236:00 am -
1 stop8h 15m
Tue 10/133:12 pm -
1 stop27h 06m
Deal found 8/27![American Airlines logo]()
$412
This Delta deal was found by Cheapflights users on 8/26. 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 10/177:50 pm -
2 stops16h 43m
Tue 11/38:10 pm -
2 stops16h 42m
Deal found 8/26![Delta logo]()
$415
This American Airlines deal was found by Cheapflights users on 8/27. 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 9/217:09 pm -
2 stops19h 06m
Wed 10/73:12 pm -
2 stops17h 33m
Deal found 8/27![American Airlines logo]()
$417
This Cheapflightsfares deal was found by Cheapflights users on 8/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/56:00 am -
1 stop8h 50m
Sat 12/125:00 pm -
1 stop7h 24m
Deal found 8/27![JetBlue logo]()
$435
This American Airlines deal was found by Cheapflights users on 8/27. 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.
Sat 12/57:17 pm -
2 stops17h 08m
Sat 12/125:08 pm -
2 stops16h 55m
Deal found 8/27![American Airlines logo]()
$436
This American Airlines deal was found by Cheapflights users on 8/29. 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.
Sat 10/177:51 pm -
1 stop18h 21m
Wed 10/213:12 pm -
2 stops8h 47m
Deal found 8/29![American Airlines logo]()
$437
Best flights from Washington, D.C. to Santiago de los CaballerosDiscover carefully curated flight deals from Washington, D.C. to Santiago de los Caballeros that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 31, 2026.
Discover carefully curated flight deals from Washington, D.C. to Santiago de los Caballeros that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 31, 2026.
This Delta deal was found by Cheapflights users on 8/27. 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 11/108:08 am -
2 stops10h 51m
Mon 11/169:25 pm -
2 stops16h 29m
Deal found 8/27![Delta logo]()
$403
This American Airlines deal was found by Cheapflights users on 8/30. 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 10/197:19 pm -
1 stop18h 53m
Sat 11/72:16 pm -
1 stop21h 45m
Deal found 8/30![American Airlines logo]()
$405
This JetBlue deal was found by Cheapflights users on 8/27. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:00 am -
1 stop7h 27m
Sun 10/113:57 pm -
1 stop7h 45m
Deal found 8/27![JetBlue logo]()
$444
This United Airlines deal was found by Cheapflights users on 8/25. 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 10/186:45 am -
1 stop6h 12m
Sun 10/2511:55 am -
1 stop10h 30m
Deal found 8/25![United Airlines logo]()
$461
This Copa Airlines deal was found by Cheapflights users on 8/28. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/162:25 am -
1 stop12h 33m
Mon 10/264:10 pm -
1 stop12h 10m
Deal found 8/28![Copa Airlines logo]()
$479
This American Airlines deal was found by Cheapflights users on 8/25. 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 10/187:19 pm -
1 stop18h 53m
Sat 10/243:12 pm -
2 stops17h 33m
Deal found 8/25![American Airlines logo]()
$412
This Delta deal was found by Cheapflights users on 8/27. 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 9/156:10 am -
1 stop11h 49m
Tue 10/67:05 pm -
1 stop15h 04m
Deal found 8/27![Delta logo]()
$439
This JetBlue deal was found by Cheapflights users on 8/25. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/197:59 am -
1 stop6h 48m
Thu 10/223:57 pm -
1 stop7h 45m
Deal found 8/25![JetBlue logo]()
$444
This United Airlines deal was found by Cheapflights users on 8/30. 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 11/76:10 am -
1 stop7h 43m
Mon 11/1612:55 pm -
1 stop9h 32m
Deal found 8/30![United Airlines logo]()
$475
This JetBlue deal was found by Cheapflights users on 8/27. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/237:35 am -
1 stop5h 52m
Thu 10/89:59 am -
1 stop9h 58m
Deal found 8/27![JetBlue logo]()
$444
This Copa Airlines deal was found by Cheapflights users on 8/30. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/302:25 am -
1 stop12h 33m
Mon 10/54:10 pm -
1 stop12h 10m
Deal found 8/30![Copa Airlines logo]()
$502
This Delta deal was found by Cheapflights users on 8/28. 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 10/176:08 am -
1 stop11h 25m
Mon 10/267:10 pm -
1 stop14h 59m
Deal found 8/28![Delta logo]()
$459
This American Airlines deal was found by Cheapflights users on 8/25. 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 9/286:14 am -
2 stops8h 01m
Mon 10/52:18 pm -
2 stops9h 40m
Deal found 8/25![American Airlines logo]()
$471
This Delta deal was found by Cheapflights users on 8/27. 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 10/196:08 am -
1 stop6h 25m
Mon 10/267:10 pm -
1 stop14h 59m
Deal found 8/27![Delta logo]()
$459
This United Airlines deal was found by Cheapflights users on 8/28. 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 10/176:45 am -
1 stop8h 27m
Mon 10/2611:55 am -
1 stop10h 30m
Deal found 8/28![United Airlines logo]()
$505
This JetBlue deal was found by Cheapflights users on 8/27. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:00 am -
1 stop7h 27m
Sat 10/109:59 am -
1 stop6h 49m
Deal found 8/27![JetBlue logo]()
$474
This Delta deal was found by Cheapflights users on 8/30. 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 11/46:10 am -
2 stops11h 23m
Mon 11/167:00 am -
2 stops12h 48m
Deal found 8/30![Delta logo]()
$469
This United Airlines deal was found by Cheapflights users on 8/25. 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 9/2812:38 pm -
1 stop10h 14m
Mon 10/56:00 am -
1 stop15h 27m
Deal found 8/25![United Airlines logo]()
$518
This American Airlines deal was found by Cheapflights users on 8/30. 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.
Wed 10/145:00 am -
2 stops9h 12m
Sun 10/183:12 pm -
2 stops8h 47m
Deal found 8/30![American Airlines logo]()
$519
This JetBlue deal was found by Cheapflights users on 8/30. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/83:10 pm -
1 stop8h 47m
Tue 12/155:00 pm -
1 stop7h 24m
Deal found 8/30![JetBlue logo]()
$474
This United Airlines deal was found by Cheapflights users on 8/27. 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 12/510:10 pm -
1 stop24h 41m
Sat 12/1212:55 pm -
1 stop11h 05m
Deal found 8/27![United Airlines logo]()
$525
This Cheapflightsfares deal was found by Cheapflights users on 8/25. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/188:00 am -
1 stop6h 47m
Sat 10/243:57 pm -
1 stop7h 30m
Deal found 8/25![JetBlue logo]()
$489
This American Airlines deal was found by Cheapflights users on 8/25. 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 9/287:20 pm -
1 stop18h 55m
Mon 10/53:12 pm -
1 stop7h 44m
Deal found 8/25![American Airlines logo]()
$538
This Delta deal was found by Cheapflights users on 8/25. 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 11/56:10 am -
2 stops11h 23m
Mon 11/92:32 pm -
2 stops21h 23m
Deal found 8/25![Delta logo]()
$500
This United Airlines deal was found by Cheapflights users on 8/26. 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.
Fri 9/257:05 pm -
2 stops27h 47m
Tue 9/296:00 am -
2 stops15h 02m
Deal found 8/26![United Airlines logo]()
$529
This deal was found by Cheapflights users on 8/25. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/76:00 am -
1 stop8h 33m
Wed 11/116:01 am -
1 stop11h 19m
Deal found 8/25![JetBlue logo]()
$493
This Delta deal was found by Cheapflights users on 8/27. 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 1/512:30 pm -
1 stop10h 20m
Wed 3/38:05 pm -
1 stop16h 47m
Deal found 8/27![Delta logo]()
$514
This United Airlines deal was found by Cheapflights users on 8/28. 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 11/76:10 am -
1 stop16h 41m
Wed 11/116:00 am -
1 stop17h 26m
Deal found 8/28![United Airlines logo]()
$548
This United Airlines deal was found by Cheapflights users on 8/27. 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.
Tue 9/228:35 am -
1 stop6h 37m
Sat 10/106:00 am -
1 stop16h 59m
Deal found 8/27![United Airlines logo]()
$552
This Delta deal was found by Cheapflights users on 8/29. 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 9/236:00 am -
2 stops11h 59m
Mon 9/287:30 pm -
2 stops16h 15m
Deal found 8/29![Delta logo]()
$564
Last-minute flights from Washington, D.C. to Santiago de los CaballerosDiscover last-minute flight deals from Washington, D.C. to Santiago de los Caballeros. Data last updated August 31, 2026 and is based on user searches.
Discover last-minute flight deals from Washington, D.C. to Santiago de los Caballeros. Data last updated August 31, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 8/27. 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 9/156:10 am -
2 stops11h 49m
Tue 10/67:05 pm -
2 stops16h 47m
Deal found 8/27![Delta logo]()
$428
This Delta deal was found by Cheapflights users on 8/27. 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 9/156:10 am -
1 stop6h 16m
Thu 10/17:30 pm -
1 stop14h 36m
Deal found 8/27![Delta logo]()
$439
This American Airlines deal was found by Cheapflights users on 8/26. 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 9/208:20 pm -
2 stops17h 55m
Fri 9/253:15 pm -
2 stops18h 29m
Deal found 8/26![American Airlines logo]()
$449
This American Airlines deal was found by Cheapflights users on 8/27. 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 9/217:09 pm -
2 stops19h 06m
Wed 10/73:12 pm -
2 stops17h 33m
Deal found 8/27![American Airlines logo]()
$417
This American Airlines deal was found by Cheapflights users on 8/27. 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.
Tue 9/227:09 pm -
2 stops19h 06m
Sat 10/103:12 pm -
2 stops19h 49m
Deal found 8/27![American Airlines logo]()
$435
This American Airlines deal was found by Cheapflights users on 8/27. 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.
Wed 9/236:00 am -
1 stop8h 15m
Thu 10/13:15 pm -
2 stops18h 29m
Deal found 8/27![American Airlines logo]()
$408
This American Airlines deal was found by Cheapflights users on 8/27. 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.
Wed 9/236:00 am -
1 stop8h 15m
Tue 10/133:12 pm -
1 stop27h 06m
Deal found 8/27![American Airlines logo]()
$412
This JetBlue deal was found by Cheapflights users on 8/27. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:00 am -
1 stop7h 27m
Sun 10/113:57 pm -
1 stop7h 45m
Deal found 8/27![JetBlue logo]()
$444
This Cheapflightsfares deal was found by Cheapflights users on 8/25. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:00 am -
1 stop7h 27m
Mon 10/510:05 am -
1 stop10h 58m
Deal found 8/25![JetBlue logo]()
$435
This American Airlines deal was found by Cheapflights users on 8/27. 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.
Tue 9/296:00 am -
1 stop8h 15m
Thu 10/153:12 pm -
1 stop7h 44m
Deal found 8/27![American Airlines logo]()
$398
This Delta deal was found by Cheapflights users on 8/27. 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 9/296:00 am -
2 stops11h 59m
Tue 10/207:05 pm -
2 stops18h 01m
Deal found 8/27![Delta logo]()
$403
This American Airlines deal was found by Cheapflights users on 8/26. 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.
Tue 9/2910:24 pm -
2 stops15h 51m
Sun 10/43:15 pm -
1 stop17h 50m
Deal found 8/26![American Airlines logo]()
$452
One-way flights from Washington, D.C. to Santiago de los CaballerosSearch for one-way flight options from Washington, D.C. to Santiago de los Caballeros. Find affordable one-way fares based on user searches. Data last updated August 31, 2026.
Search for one-way flight options from Washington, D.C. to Santiago de los Caballeros. Find affordable one-way fares based on user searches. Data last updated August 31, 2026.
This Delta deal was found by Cheapflights users on 8/28. 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 11/106:00 am -
2 stops12h 59m
Deal found 8/28![Delta logo]()
$182
This Delta deal was found by Cheapflights users on 8/28. 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 11/105:02 pm -
1 stop6h 57m
Deal found 8/28![Delta logo]()
$182
This Delta deal was found by Cheapflights users on 8/28. 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 11/1012:35 pm -
1 stop6h 24m
Deal found 8/28![Delta logo]()
$182
This United Airlines deal was found by Cheapflights users on 8/25. 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 10/157:10 pm -
2 stops20h 02m
Deal found 8/25![United Airlines logo]()
$188
This American Airlines deal was found by Cheapflights users on 8/27. 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.
Tue 11/107:17 pm -
2 stops19h 51m
Deal found 8/27![American Airlines logo]()
$188
This American Airlines deal was found by Cheapflights users on 8/25. 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 10/157:19 pm -
1 stop18h 53m
Deal found 8/25![American Airlines logo]()
$197
This American Airlines deal was found by Cheapflights users on 8/28. 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.
Wed 11/114:00 pm -
1 stop23h 08m
Deal found 8/28![American Airlines logo]()
$202
This American Airlines deal was found by Cheapflights users on 8/30. 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.
Wed 12/308:19 pm -
2 stops18h 56m
Deal found 8/30![American Airlines logo]()
$203
This Delta deal was found by Cheapflights users on 8/25. 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 9/86:10 am -
1 stop11h 49m
Deal found 8/25![Delta logo]()
$207
This FlightHub deal was found by Cheapflights users on 8/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:00 am -
1 stop8h 47m
Deal found 8/25![JetBlue logo]()
$213
This American Airlines deal was found by Cheapflights users on 8/30. 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 9/206:00 am -
2 stops8h 15m
Deal found 8/30![American Airlines logo]()
$228
This Cheapflightsfares deal was found by Cheapflights users on 8/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:09 am -
1 stop8h 24m
Deal found 8/28![JetBlue logo]()
$230
Find flight deals from Washington, D.C. to Santiago de los Caballeros
Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Santiago de los Caballeros (STI). 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 August 31, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $398 (American Airlines) |
One-way from | $182 (Delta) |
Popular in | July |
Cheapest in | September |
Average price | $504 |
Cheapflights Fare Finder
Customize your flight search to find flights from Washington, D.C. to Santiago de los Caballeros 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 7,457,451 searches. Data last updated August 31, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Santiago de los Caballeros that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BaltimoreSantiago de los Caballeros
BWI Baltimore/Washington - STI Santiago de los Caballeros
BWISTI
Baltimore/Washington
Tue 11/10
8:08 am-7:59 pm
2 stops10h 51m
Santiago de los Caballeros
Mon 11/16
9:25 pm-12:54 pm
2 stops16h 29m
$403
BaltimoreSantiago de los Caballeros
BWI Baltimore/Washington - STI Santiago de los Caballeros
BWISTI
Baltimore/Washington
Mon 10/19
7:19 pm-2:12 pm
1 stop18h 53m
Santiago de los Caballeros
Sat 11/7
2:16 pm-11:01 am
1 stop21h 45m
$405
BaltimoreSantiago de los Caballeros
BWI Baltimore/Washington - STI Santiago de los Caballeros
BWISTI
Baltimore/Washington
Sun 10/18
7:19 pm-2:12 pm
1 stop18h 53m
Santiago de los Caballeros
Sat 10/24
3:12 pm-8:45 am
2 stops17h 33m
$412
Washington, D.C.Santiago de los Caballeros
DCA Washington, D.C. Reagan-National - STI Santiago de los Caballeros
DCASTI
Washington, D.C. Reagan-National
Tue 9/15
6:10 am-5:59 pm
1 stop11h 49m
Santiago de los Caballeros
Tue 10/6
7:05 pm-10:09 am
1 stop15h 04m
$439
Washington, D.C.Santiago de los Caballeros
DCA Washington, D.C. Reagan-National - STI Santiago de los Caballeros
DCASTI
Washington, D.C. Reagan-National
Wed 9/23
6:00 am-1:27 pm
1 stop7h 27m
Santiago de los Caballeros
Sun 10/11
3:57 pm-11:42 pm
1 stop7h 45m
$444
Washington, D.C.Santiago de los Caballeros
DCA Washington, D.C. Reagan-National - STI Santiago de los Caballeros
DCASTI
Washington, D.C. Reagan-National
Mon 10/19
7:59 am-2:47 pm
1 stop6h 48m
Santiago de los Caballeros
Thu 10/22
3:57 pm-11:42 pm
1 stop7h 45m
$444
Washington, D.C.Santiago de los Caballeros
DCA Washington, D.C. Reagan-National - STI Santiago de los Caballeros
DCASTI
Washington, D.C. Reagan-National
Wed 9/23
7:35 am-1:27 pm
1 stop5h 52m
Santiago de los Caballeros
Thu 10/8
9:59 am-7:57 pm
1 stop9h 58m
$444
Washington, D.C.Santiago de los Caballeros
DCA Washington, D.C. Reagan-National - STI Santiago de los Caballeros
DCASTI
Washington, D.C. Reagan-National
Sat 10/17
6:08 am-5:33 pm
1 stop11h 25m
Santiago de los Caballeros
Mon 10/26
7:10 pm-10:09 am
1 stop14h 59m
$459
Washington, D.C.Santiago de los Caballeros
DCA Washington, D.C. Reagan-National - STI Santiago de los Caballeros
DCASTI
Washington, D.C. Reagan-National
Mon 10/19
6:08 am-12:33 pm
1 stop6h 25m
Santiago de los Caballeros
Mon 10/26
7:10 pm-10:09 am
1 stop14h 59m
$459
Washington, D.C.Santiago de los Caballeros
IAD Washington, D.C. Dulles Intl - STI Santiago de los Caballeros
IADSTI
Washington, D.C. Dulles Intl
Sun 10/18
6:45 am-12:57 pm
1 stop6h 12m
Santiago de los Caballeros
Sun 10/25
11:55 am-10:25 pm
1 stop10h 30m
$461
Showing 1-10 of 53 resultsSorted by cheapest first
Compare providers for flights from Washington, D.C. to Santiago de los Caballeros
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 Santiago de los Caballeros in August.
| 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.-Santiago de los Caballeros flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Washington, D.C.-Santiago de los Caballeros flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Santiago de los Caballeros flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Washington, D.C.-Santiago de los Caballeros flights, Cheapflights users trust Ovago the most. Ovago 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.-Santiago de los Caballeros 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 Santiago de los Caballeros
Have a flexible travel schedule? Discover the best time to fly to Santiago de los Caballeros from Washington, D.C. with our price prediction graph.
WAS-STI
BWI-STI
DCA-STI
IAD-STI
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 Santiago de los Caballeros
WAS-STI
BWI-STI
DCA-STI
IAD-STI
What is the cheapest month to book a flight from Washington, D.C. to Santiago de los Caballeros?
Currently, September is the cheapest month in which you can book a flight from Washington, D.C. to Santiago de los Caballeros (average of $458). Flying from Washington, D.C. to Santiago de los Caballeros in July is currently the most expensive (average of $739). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Washington, D.C. to Santiago de los Caballeros?
Airfare is typical for this route at the moment.
Washington, D.C. to Santiago de los Caballeros flights typically cost between $368 and $466 in September.The cheapest round-trip price found within the last 5 days was $398 on American Airlines (Sep 29-Oct 15).
How far ahead should I book a flight from Washington, D.C. to Santiago de los Caballeros?
Booking 80 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. to Santiago de los Caballeros. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Reviews of airlines servicing Santiago de los Caballeros
Get insights into the airlines that provide service to Santiago de los Caballeros. 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 Santiago de los Caballeros. Reviews last updated August 31, 2026.
Peruse reviews from past customers who have flown with Delta,United Airlines, andAmerican Airlines from Washington, D.C. to Santiago de los Caballeros to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Entertainment
7.8
Overall
7.8
Boarding
8.1
Crew
8.5
Food
7.2
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Comfort
7.8
Entertainment
7.8
Overall
7.8
Boarding
8.1
Crew
8.5
Food
7.2
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Comfort
7.8
Entertainment
7.8
Overall
7.8
Boarding
8.1
Crew
8.5
Food
7.2
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Comfort
7.8
Entertainment
7.8
Overall
7.8
Boarding
8.1
Crew
8.5
Food
7.2
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Comfort
7.8
Entertainment
7.8
Overall
7.8
Boarding
8.1
Crew
8.5
Food
7.2
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Related info for your journey
Find useful and relevant information for your journey from Washington, D.C. to Santiago de los Caballeros. 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 Santiago de los Caballeros flights
Browse other Washington, D.C. and Santiago de los Caballeros flight options. Last updated on August 31, 2026.
Other flights from Washington, D.C.
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Other flights to Santiago de los Caballeros
Explore flights to Santiago de los Caballeros departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 31, 2026.
Washington, D.C. to Santiago de los Caballeros flights
Consider these flights traveling from Washington, D.C. to Santiago de los Caballeros.
Top 3 airlines flying from Washington, D.C. to Santiago de los Caballeros
Discover the top 3 airlines that operate flights from Washington, D.C. to Santiago de los Caballeros. 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 7,457,451 searches. Data last updated August 31, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$362 | Average$521 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$467 | Average$732 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$500 | Average$671 | FlexibilityNo cancel fee | On-time71% |