$102+ Cheap flights from Puerto Rico to Dulles Intl (IAD)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/7. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — IAD
Nov 18 — Nov 251
Round-trip
1 adult, Economy
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Find cheap flights from Puerto Rico to Dulles Intl 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
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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 Puerto Rico to Dulles Intl
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Cheapest flights from Puerto Rico to Dulles IntlExplore the most affordable flight options available from Puerto Rico to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 19, 2026.
Explore the most affordable flight options available from Puerto Rico to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 19, 2026.
This Priceline deal was found by Cheapflights users on 10/19. 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 11/1211:57 am -
1 stop23h 24m
Tue 11/1711:16 am -
1 stop23h 01m
Deal found 10/19![Frontier logo]()
$234
This Frontier deal was found by Cheapflights users on 10/19. 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.
Fri 11/2010:54 pm -
2 stops17h 09m
Tue 11/241:05 pm -
Nonstop3h 47m
Deal found 10/19![Frontier logo]()
$254
This Mytrip deal was found by Cheapflights users on 10/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/288:45 am -
1 stop11h 26m
Sat 10/317:52 am -
1 stop15h 52m
Deal found 10/19![Frontier logo]()
$255
This Cheapflightsfares deal was found by Cheapflights users on 10/17. 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 11/248:53 am -
Nonstop4h 17m
Sun 11/291:05 pm -
Nonstop3h 47m
Deal found 10/17![Frontier logo]()
$256
This Cheapflightsfares deal was found by Cheapflights users on 10/19. 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 10/278:45 am -
1 stop11h 26m
Tue 11/311:16 am -
1 stop26h 27m
Deal found 10/19![Frontier logo]()
$257
This Cheapflightsfares deal was found by Cheapflights users on 10/15. 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.
Fri 11/205:19 am -
1 stop7h 55m
Mon 11/303:58 pm -
1 stop27h 39m
Deal found 10/15![Frontier logo]()
$259
This Kiwi.com deal was found by Cheapflights users on 10/19. 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 10/267:00 am -
1 stop13h 11m
Sat 10/317:52 am -
1 stop15h 52m
Deal found 10/19![Frontier logo]()
$260
This Frontier deal was found by Cheapflights users on 10/19. 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.
Thu 12/178:28 am -
Nonstop4h 03m
Mon 12/218:16 pm -
1 stop8h 55m
Deal found 10/19![Frontier logo]()
$261
This Kiwi.com deal was found by Cheapflights users on 10/18. 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 11/63:55 pm -
1 stop8h 48m
Mon 11/99:06 pm -
2 stops17h 13m
Deal found 10/18![Frontier logo]()
$262
This Cheapflightsfares deal was found by Cheapflights users on 10/19. 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 11/107:23 am -
1 stop27h 58m
Sun 11/229:35 pm -
1 stop24h 43m
Deal found 10/19![Frontier logo]()
$264
This Frontier deal was found by Cheapflights users on 10/16. 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.
Fri 11/208:53 am -
Nonstop4h 17m
Sun 11/291:05 pm -
Nonstop3h 47m
Deal found 10/16![Frontier logo]()
$265
This FlightHub deal was found by Cheapflights users on 10/17. 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.
Wed 11/412:22 pm -
1 stop22h 59m
Mon 11/911:16 am -
1 stop22h 36m
Deal found 10/17![Frontier logo]()
$288
Best flights from Puerto Rico to Dulles IntlDiscover carefully curated flight deals from Puerto Rico to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 19, 2026.
Discover carefully curated flight deals from Puerto Rico to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 19, 2026.
This Priceline deal was found by Cheapflights users on 10/18. 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 11/1211:57 am -
1 stop23h 24m
Tue 11/1711:16 am -
1 stop23h 01m
Deal found 10/18![Frontier logo]()
$234
This United Airlines deal was found by Cheapflights users on 10/15. 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 11/198:05 am -
Nonstop4h 04m
Mon 11/308:22 am -
Nonstop3h 53m
Deal found 10/15![United Airlines logo]()
$331
This Mytrip deal was found by Cheapflights users on 10/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1911:57 am -
3 stops26h 28m
Mon 11/3012:50 pm -
3 stops12h 57m
Deal found 10/14![Multiple Airlines logo]()
$699
This United Airlines deal was found by Cheapflights users on 10/15. 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 11/52:52 pm -
1 stop7h 35m
Sun 11/85:29 pm -
Nonstop3h 53m
Deal found 10/15![United Airlines logo]()
$362
This United Airlines deal was found by Cheapflights users on 10/14. 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 11/98:05 am -
Nonstop4h 04m
Sat 11/146:10 am -
1 stop7h 30m
Deal found 10/14![United Airlines logo]()
$412
This United Airlines deal was found by Cheapflights users on 10/15. 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 11/195:50 pm -
Nonstop4h 06m
Sat 11/285:29 pm -
Nonstop3h 53m
Deal found 10/15![United Airlines logo]()
$441
This United Airlines deal was found by Cheapflights users on 10/14. 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 10/297:05 am -
Nonstop4h 04m
Mon 11/25:29 pm -
Nonstop3h 53m
Deal found 10/14![United Airlines logo]()
$457
This United Airlines deal was found by Cheapflights users on 10/18. 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 11/125:50 pm -
Nonstop4h 06m
Mon 11/1610:15 am -
1 stop9h 45m
Deal found 10/18![United Airlines logo]()
$462
This United Airlines deal was found by Cheapflights users on 10/16. 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.
Wed 11/188:25 am -
1 stop9h 08m
Tue 12/18:22 am -
Nonstop3h 53m
Deal found 10/16![United Airlines logo]()
$462
This United Airlines deal was found by Cheapflights users on 10/14. 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 11/108:25 am -
1 stop9h 08m
Sat 11/145:29 pm -
Nonstop3h 53m
Deal found 10/14![United Airlines logo]()
$462
This United Airlines deal was found by Cheapflights users on 10/17. 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 3/118:05 am -
Nonstop4h 04m
Mon 3/156:00 am -
1 stop7h 40m
Deal found 10/17![United Airlines logo]()
$462
This United Airlines deal was found by Cheapflights users on 10/14. 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 12/78:25 am -
2 stops15h 29m
Sun 1/103:45 pm -
2 stops13h 30m
Deal found 10/14![United Airlines logo]()
$466
This United Airlines deal was found by Cheapflights users on 10/17. 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 11/95:50 pm -
Nonstop4h 06m
Mon 11/166:10 am -
1 stop7h 30m
Deal found 10/17![United Airlines logo]()
$492
This United Airlines deal was found by Cheapflights users on 10/17. 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.
Wed 11/181:09 am -
1 stop7h 11m
Wed 11/255:50 pm -
1 stop29h 07m
Deal found 10/17![United Airlines logo]()
$616
This United Airlines deal was found by Cheapflights users on 10/17. 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 11/211:09 am -
1 stop7h 11m
Wed 11/255:50 pm -
1 stop29h 07m
Deal found 10/17![United Airlines logo]()
$666
This United Airlines deal was found by Cheapflights users on 10/14. 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.
Wed 11/181:09 am -
1 stop7h 11m
Wed 12/210:25 pm -
1 stop24h 32m
Deal found 10/14![United Airlines logo]()
$666
This United Airlines deal was found by Cheapflights users on 10/17. 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 11/191:09 am -
2 stops11h 30m
Tue 11/2412:50 pm -
2 stops10h 07m
Deal found 10/17![United Airlines logo]()
$858
This United Airlines deal was found by Cheapflights users on 10/16. 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 12/141:09 am -
2 stops13h 29m
Sun 12/2012:53 pm -
2 stops10h 04m
Deal found 10/16![United Airlines logo]()
$878
This United Airlines deal was found by Cheapflights users on 10/17. 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 11/121:19 pm -
1 stop8h 37m
Mon 11/168:22 am -
1 stop6h 49m
Deal found 10/17![United Airlines logo]()
$1,128
This United Airlines deal was found by Cheapflights users on 10/18. 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 11/151:19 pm -
2 stops12h 18m
Sun 11/225:50 pm -
2 stops21h 21m
Deal found 10/18![United Airlines logo]()
$1,420
Last-minute flights from Puerto Rico to Dulles IntlDiscover last-minute flight deals from Puerto Rico to Dulles Intl. Data last updated October 19, 2026 and is based on user searches.
Discover last-minute flight deals from Puerto Rico to Dulles Intl. Data last updated October 19, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 10/19. 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 10/278:45 am -
1 stop11h 26m
Tue 11/311:16 am -
1 stop26h 27m
Deal found 10/19![Frontier logo]()
$257
This FlightHub deal was found by Cheapflights users on 10/17. 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.
Wed 11/412:22 pm -
1 stop22h 59m
Mon 11/911:16 am -
1 stop22h 36m
Deal found 10/17![Frontier logo]()
$288
This Kiwi.com deal was found by Cheapflights users on 10/18. 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 11/63:55 pm -
1 stop8h 48m
Mon 11/99:06 pm -
2 stops17h 13m
Deal found 10/18![Frontier logo]()
$262
This Cheapflightsfares deal was found by Cheapflights users on 10/15. 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 11/73:55 pm -
1 stop8h 48m
Tue 11/1011:16 am -
1 stop21h 59m
Deal found 10/15![Frontier logo]()
$260
This Cheapflightsfares deal was found by Cheapflights users on 10/19. 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 11/107:23 am -
1 stop27h 58m
Sun 11/229:35 pm -
1 stop24h 43m
Deal found 10/19![Frontier logo]()
$264
This Priceline deal was found by Cheapflights users on 10/19. 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 11/1211:57 am -
1 stop23h 24m
Tue 11/1711:16 am -
1 stop23h 01m
Deal found 10/19![Frontier logo]()
$234
This Cheapflightsfares deal was found by Cheapflights users on 10/17. 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 11/1711:57 am -
1 stop23h 24m
Thu 11/1911:16 am -
1 stop14h 31m
Deal found 10/17![Frontier logo]()
$321
This Frontier deal was found by Cheapflights users on 10/19. 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.
Fri 11/2010:54 pm -
2 stops17h 09m
Tue 11/241:05 pm -
Nonstop3h 47m
Deal found 10/19![Frontier logo]()
$254
This Cheapflightsfares deal was found by Cheapflights users on 10/15. 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.
Fri 11/205:19 am -
1 stop7h 55m
Mon 11/303:58 pm -
1 stop27h 39m
Deal found 10/15![Frontier logo]()
$259
This Cheapflightsfares deal was found by Cheapflights users on 10/15. 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.
Fri 11/208:53 am -
Nonstop4h 17m
Sun 11/291:05 pm -
Nonstop3h 47m
Deal found 10/15![Frontier logo]()
$261
This Cheapflightsfares deal was found by Cheapflights users on 10/18. 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 11/2210:21 pm -
1 stop23h 19m
Mon 11/301:05 pm -
Nonstop3h 47m
Deal found 10/18![Frontier logo]()
$255
This Cheapflightsfares deal was found by Cheapflights users on 10/17. 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 11/248:53 am -
Nonstop4h 17m
Sun 11/291:05 pm -
Nonstop3h 47m
Deal found 10/17![Frontier logo]()
$256
One-way flights from Puerto Rico to Dulles IntlSearch for one-way flight options from Puerto Rico to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated October 19, 2026.
Search for one-way flight options from Puerto Rico to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated October 19, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/16. 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 11/712:22 pm -
2 stops12h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![Frontier logo]()
$102
This Cheapflightsfares deal was found by Cheapflights users on 10/17. 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 10/253:00 am -
1 stop7h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![Frontier logo]()
$132
This Priceline deal was found by Cheapflights users on 10/16. 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.
Mon 11/23:59 pm -
1 stop8h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![Frontier logo]()
$133
This Kiwi.com deal was found by Cheapflights users on 10/14. 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 1/136:00 am -
2 stops33h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Frontier logo]()
$134
This FlightHub deal was found by Cheapflights users on 10/16. 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.
Wed 11/253:47 am -
2 stops9h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![Frontier logo]()
$134
This Cheapflightsfares deal was found by Cheapflights users on 10/14. 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.
Thu 10/227:00 am -
1 stop13h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Frontier logo]()
$135
This Frontier deal was found by Cheapflights users on 10/14. 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.
Fri 11/2010:54 pm -
2 stops14h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Frontier logo]()
$136
This Priceline deal was found by Cheapflights users on 10/14. 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.
Tue 11/177:26 pm -
1 stop15h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Frontier logo]()
$137
This FlightHub deal was found by Cheapflights users on 10/19. 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 11/193:55 pm -
1 stop21h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Frontier logo]()
$138
This Super.com deal was found by Cheapflights users on 10/14. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/133:55 am -
1 stop7h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Frontier logo]()
$140
This Mytrip deal was found by Cheapflights users on 10/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/42:49 am -
2 stops15h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![Frontier logo]()
$141
This Trip.com deal was found by Cheapflights users on 10/18. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2210:21 pm -
1 stop23h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![Frontier logo]()
$142
Find flight deals from Puerto Rico to Dulles Intl
Keep the following information in mind while searching for Puerto Rico to Dulles Intl flight deals. Data was last updated October 19, 2026.
Round-trip from | $234 (Priceline) |
|---|---|
One-way from | $102 (Kiwi.com) |
Popular in | March |
Cheapest in | January |
Average price | $317 |
Good round-trip deal | $351 or less |
Good one-way deal | $178 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Puerto Rico to Dulles Intl 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 October 19, 2026.
Use the filters below to find and compare flights from Puerto Rico to Washington, D.C. Dulles Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San JuanWashington, D.C.
SJU San Juan Luis Munoz Marin Intl - IAD Washington, D.C. Dulles Intl
SJUIAD
San Juan Luis Munoz Marin Intl
Thu 1/14
5:50 pm-8:56 pm
Nonstop4h 06m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$169
Quickest round-trip
San JuanWashington, D.C.
SJU San Juan Luis Munoz Marin Intl - IAD Washington, D.C. Dulles Intl
SJUIAD
San Juan Luis Munoz Marin Intl
Thu 12/17
8:05 am-11:09 am
Nonstop4h 04m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$169
San JuanWashington, D.C.
SJU San Juan Luis Munoz Marin Intl - IAD Washington, D.C. Dulles Intl
SJUIAD
San Juan Luis Munoz Marin Intl
Thu 12/17
6:59 pm-12:41 am
1 stop6h 42m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$173
AguadillaWashington, D.C.
BQN Aguadilla Borinquen - IAD Washington, D.C. Dulles Intl
BQNIAD
Aguadilla Borinquen
Wed 11/25
1:09 am-7:20 am
1 stop7h 11m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$183
AguadillaWashington, D.C.
BQN Aguadilla Borinquen - IAD Washington, D.C. Dulles Intl
BQNIAD
Aguadilla Borinquen
Tue 11/24
1:09 am-11:55 am
2 stops11h 46m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$183
AguadillaWashington, D.C.
BQN Aguadilla Borinquen - IAD Washington, D.C. Dulles Intl
BQNIAD
Aguadilla Borinquen
Wed 11/18
12:22 pm-10:21 am
1 stop22h 59m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$185
AguadillaWashington, D.C.
BQN Aguadilla Borinquen - IAD Washington, D.C. Dulles Intl
BQNIAD
Aguadilla Borinquen
Sat 10/31
1:09 am-12:55 pm
2 stops11h 46m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$203
San JuanWashington, D.C.
SJU San Juan Luis Munoz Marin Intl - IAD Washington, D.C. Dulles Intl
SJUIAD
San Juan Luis Munoz Marin Intl
Sat 12/26
8:05 am-11:09 am
Nonstop4h 04m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$206
San JuanWashington, D.C.
SJU San Juan Luis Munoz Marin Intl - IAD Washington, D.C. Dulles Intl
SJUIAD
San Juan Luis Munoz Marin Intl
Thu 11/19
2:05 am-11:55 am
2 stops10h 50m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$217
San JuanWashington, D.C.
SJU San Juan Luis Munoz Marin Intl - IAD Washington, D.C. Dulles Intl
SJUIAD
San Juan Luis Munoz Marin Intl
Sun 11/1
8:05 am-11:09 am
Nonstop4h 04m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$219
Showing 1-10 of 37 resultsSorted by cheapest first
Best time to book a flight from Puerto Rico to Dulles Intl
Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Puerto Rico with our price prediction graph.
BQN-IAD
SJU-IAD
MAZ-IAD
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 Puerto Rico to Washington, D.C. Dulles Intl Airport
PR0-IAD
BQN-IAD
SJU-IAD
MAZ-IAD
What is the cheapest month to book a flight from Puerto Rico to Washington, D.C. Dulles Intl Airport?
Currently, January is the cheapest month in which you can book a flight from Puerto Rico to Washington, D.C. Dulles Intl Airport (average of $114). Flying from Puerto Rico to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $539). 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.
What is the cheapest time of day to fly from PR to IAD?
Find hourly flight availability from Puerto Rico to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 19, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Puerto Rico to Washington, D.C. Dulles Intl Airport as you normally would.
Weekly flight availability from Puerto Rico to Washington, D.C. Dulles Intl Airport
Explore weekly flight availability from Puerto Rico to Dulles Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated October 19, 2026.
The most flights from PR0 to IAD are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).
How far ahead should I book a flight from Puerto Rico to Washington, D.C. Dulles Intl Airport?
Booking 9 days in advance of your planned departure date is, on average, the best time to get cheap flights from Puerto Rico to Washington, D.C. Dulles Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Reviews of airlines servicing Dulles Intl
Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated October 19, 2026.
Read through reviews of airlines operating flights from Puerto Rico to Washington, D.C. Dulles Intl Airport, such as United Airlines and Frontier. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Food
6.7
Entertainment
7.1
Boarding
7.7
Crew
8.1
Overall
7.3
Comfort
7.3
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Food
6.7
Entertainment
7.1
Boarding
7.7
Crew
8.1
Overall
7.3
Comfort
7.3
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Food
6.7
Entertainment
7.1
Boarding
7.7
Crew
8.1
Overall
7.3
Comfort
7.3
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Related info for your journey
Find useful and relevant information for your journey from Puerto Rico to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Washington, D.C. Dulles Intl Airport?
Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locationsAlexandria
Chantilly
Arlington
Woodbridge
Owings Mills
Lanham
Sterling
Tysons
Herndon
Reston
Hyattsville
Rockville
Springfield
Fredericksburg
Falls Church
Oxon Hill
Laurel
Towson
Clinton
Hunt Valley
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Complete your trip
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Other flights to Dulles Intl
Explore flights to Dulles Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 19, 2026.
Search flights from Puerto Rico to Dulles Intl by cabin class
Find flights from Puerto Rico to Dulles Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Puerto Rico and Dulles Intl flights
Browse other Puerto Rico and Dulles Intl flight options. Last updated on October 19, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from Puerto Rico to Dulles Intl
Discover the top 2 airlines that operate flights from Puerto Rico to Dulles Intl. 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 October 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$75 | Average$169 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$245 | Average$412 | FlexibilityNo cancel fee | On-time69% |