$115+ 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 11/25. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — IAD
Nov 7 — Nov 141
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
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 Puerto Rico to Dulles Intl
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One-way
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 8, 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 8, 2026.
This Mytrip deal was found by Cheapflights users on 10/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/303:59 pm -
1 stop7h 44m
Sun 11/19:06 pm -
2 stops17h 18m
Deal found 10/6![Frontier logo]()
$277
This Kiwi.com deal was found by Cheapflights users on 10/4. 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.
Sat 12/127:17 am -
1 stop15h 12m
Mon 12/143:22 pm -
1 stop8h 21m
Deal found 10/4![Multiple Airlines logo]()
$278
This Super.com deal was found by Cheapflights users on 10/6. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/208:53 am -
Nonstop4h 17m
Sun 11/221:05 pm -
Nonstop3h 47m
Deal found 10/6![Frontier logo]()
$279
This FlightHub deal was found by Cheapflights users on 10/3. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/282:55 am -
1 stop7h 26m
Tue 12/111:00 am -
1 stop13h 58m
Deal found 10/3![Frontier logo]()
$280
This Cheapflightsfares deal was found by Cheapflights users on 10/5. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/225:16 pm -
Nonstop4h 03m
Thu 12/3111:07 am -
Nonstop3h 49m
Deal found 10/5![Frontier logo]()
$281
This FlightHub deal was found by Cheapflights users on 10/6. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/87:00 am -
1 stop13h 11m
Thu 10/1511:12 am -
1 stop11h 53m
Deal found 10/6![Frontier logo]()
$283
This Cheapflightsfares deal was found by Cheapflights users on 10/6. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/238:53 am -
Nonstop4h 17m
Fri 11/271:05 pm -
Nonstop3h 47m
Deal found 10/6![Frontier logo]()
$284
This Justfly.com deal was found by Cheapflights users on 10/6. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/205:11 pm -
1 stop7h 10m
Fri 10/236:08 pm -
1 stop27h 47m
Deal found 10/6![Frontier logo]()
$285
This Kiwi.com deal was found by Cheapflights users on 10/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/105:11 pm -
1 stop7h 10m
Sat 10/317:52 am -
2 stops15h 47m
Deal found 10/7![Frontier logo]()
$286
This Priceline deal was found by Cheapflights users on 10/6. 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.
Fri 10/167:20 am -
1 stop26h 57m
Sun 10/186:08 pm -
1 stop19h 23m
Deal found 10/6![Frontier logo]()
$287
This eDestinos deal was found by Cheapflights users on 10/7. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/213:00 am -
2 stops21h 21m
Mon 10/269:06 pm -
2 stops43h 10m
Deal found 10/7![Frontier logo]()
$288
This United Airlines deal was found by Cheapflights users on 10/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1712:15 am -
1 stop7h 04m
Sat 10/318:23 am -
2 stops15h 34m
Deal found 10/7![United Airlines logo]()
$366
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 8, 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 8, 2026.
This United Airlines deal was found by Cheapflights users on 10/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1712:15 am -
1 stop7h 04m
Sat 10/318:23 am -
2 stops15h 34m
Deal found 10/7![United Airlines logo]()
$366
This United Airlines deal was found by Cheapflights users on 10/4. 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 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
Sat 12/510:10 am -
1 stop9h 50m
Deal found 10/4![United Airlines logo]()
$369
This United Airlines deal was found by Cheapflights users on 10/6. 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.
Sat 10/244:55 pm -
Nonstop3h 52m
Mon 10/268:22 am -
Nonstop3h 53m
Deal found 10/6![United Airlines logo]()
$417
This United Airlines deal was found by Cheapflights users on 10/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/234:55 pm -
Nonstop3h 52m
Mon 10/265:29 pm -
Nonstop3h 53m
Deal found 10/4![United Airlines logo]()
$417
This United Airlines deal was found by Cheapflights users on 10/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/18:05 am -
Nonstop4h 04m
Sun 11/86:10 am -
1 stop6h 22m
Deal found 10/4![United Airlines logo]()
$422
This United Airlines deal was found by Cheapflights users on 10/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/54:55 pm -
1 stop8h 35m
Tue 11/178:22 am -
Nonstop3h 53m
Deal found 10/3![United Airlines logo]()
$422
This United Airlines deal was found by Cheapflights users on 10/6. 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.
Tue 12/222:05 am -
2 stops11h 13m
Sun 1/105:53 pm -
1 stop11h 22m
Deal found 10/6![United Airlines logo]()
$426
This United Airlines deal was found by Cheapflights users on 10/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/118:10 am -
Nonstop4h 05m
Mon 3/155:32 pm -
Nonstop3h 50m
Deal found 10/7![United Airlines logo]()
$437
This United Airlines deal was found by Cheapflights users on 10/5. 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.
Wed 10/2112:15 am -
2 stops11h 40m
Mon 10/2612:50 pm -
2 stops10h 07m
Deal found 10/5![United Airlines logo]()
$476
This United Airlines deal was found by Cheapflights users on 10/3. 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 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 12/2010:44 pm -
1 stop24h 13m
Deal found 10/3![United Airlines logo]()
$779
This United Airlines deal was found by Cheapflights users on 10/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/221:19 pm -
1 stop7h 28m
Mon 10/265:29 pm -
1 stop22h 42m
Deal found 10/3![United Airlines logo]()
$947
Last-minute flights from Puerto Rico to Dulles IntlDiscover last-minute flight deals from Puerto Rico to Dulles Intl. Data last updated October 8, 2026 and is based on user searches.
Discover last-minute flight deals from Puerto Rico to Dulles Intl. Data last updated October 8, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 10/6. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/87:00 am -
1 stop13h 11m
Thu 10/1511:12 am -
1 stop11h 53m
Deal found 10/6![Frontier logo]()
$283
This Cheapflightsfares deal was found by Cheapflights users on 10/7. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/94:39 pm -
1 stop26h 02m
Tue 10/136:08 pm -
1 stop21h 10m
Deal found 10/7![Frontier logo]()
$282
This Kiwi.com deal was found by Cheapflights users on 10/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/105:11 pm -
1 stop7h 10m
Sat 10/317:52 am -
2 stops15h 47m
Deal found 10/7![Frontier logo]()
$286
This Priceline deal was found by Cheapflights users on 10/6. 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.
Fri 10/167:20 am -
1 stop26h 57m
Sun 10/186:08 pm -
1 stop19h 23m
Deal found 10/6![Frontier logo]()
$287
This Justfly.com deal was found by Cheapflights users on 10/6. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/205:11 pm -
1 stop7h 10m
Fri 10/236:08 pm -
1 stop27h 47m
Deal found 10/6![Frontier logo]()
$285
This eDestinos deal was found by Cheapflights users on 10/7. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/213:00 am -
2 stops21h 21m
Mon 10/269:06 pm -
2 stops43h 10m
Deal found 10/7![Frontier logo]()
$288
This Justfly.com deal was found by Cheapflights users on 10/4. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/257:20 am -
1 stop26h 57m
Fri 10/301:36 pm -
1 stop10h 20m
Deal found 10/4![Frontier logo]()
$281
This FlightHub deal was found by Cheapflights users on 10/3. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/282:55 am -
1 stop7h 26m
Tue 12/111:00 am -
1 stop13h 58m
Deal found 10/3![Frontier logo]()
$280
This Mytrip deal was found by Cheapflights users on 10/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/303:59 pm -
1 stop7h 44m
Sun 11/19:06 pm -
2 stops17h 18m
Deal found 10/6![Frontier logo]()
$277
This Mytrip deal was found by Cheapflights users on 10/8. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1812:59 am -
2 stops23h 44m
Mon 11/236:50 am -
2 stops15h 28m
Deal found 10/8![Frontier logo]()
$289
This Super.com deal was found by Cheapflights users on 10/6. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/208:53 am -
Nonstop4h 17m
Sun 11/221:05 pm -
Nonstop3h 47m
Deal found 10/6![Frontier logo]()
$279
This Cheapflightsfares deal was found by Cheapflights users on 10/6. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/238:53 am -
Nonstop4h 17m
Fri 11/271:05 pm -
Nonstop3h 47m
Deal found 10/6![Frontier logo]()
$284
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 8, 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 8, 2026.
This Priceline deal was found by Cheapflights users on 10/7. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/252:54 pm -
1 stop6h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Frontier logo]()
$115
This Cheapflightsfares deal was found by Cheapflights users on 10/5. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:00 am -
1 stop13h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![Frontier logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 10/5. 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.
Fri 11/67:00 am -
1 stop14h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![Frontier logo]()
$130
This Cheapflightsfares deal was found by Cheapflights users on 10/7. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/165:11 pm -
1 stop7h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Frontier logo]()
$131
This Cheapflightsfares deal was found by Cheapflights users on 10/7. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/258:53 am -
Nonstop4h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Frontier logo]()
$132
This Cheapflightsfares deal was found by Cheapflights users on 10/5. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/223:00 pm -
1 stop20h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![Frontier logo]()
$133
This OneTravel deal was found by Cheapflights users on 10/7. 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 OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/173:00 am -
1 stop7h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Frontier logo]()
$135
This FlightHub deal was found by Cheapflights users on 10/7. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/313:55 am -
1 stop7h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Frontier logo]()
$136
This CheapOair deal was found by Cheapflights users on 10/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/57:00 am -
2 stops17h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Frontier logo]()
$137
This Super.com deal was found by Cheapflights users on 10/6. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1310:52 am -
1 stop23h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Frontier logo]()
$138
This CheapOair deal was found by Cheapflights users on 10/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/197:20 am -
1 stop26h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/3![Frontier logo]()
$139
This Frontier deal was found by Cheapflights users on 10/6. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/23:28 am -
2 stops12h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Frontier logo]()
$140
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 8, 2026.
Round-trip from | $277 (Mytrip) |
|---|---|
One-way from | $115 (Priceline) |
Popular in | March |
Cheapest in | November |
Average price | $342 |
Good round-trip deal | $357 or less |
Good one-way deal | $209 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 8, 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
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
Fri 11/6
8:05 am-11:09 am
Nonstop4h 04m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$159
San JuanWashington, D.C.
SJU San Juan Luis Munoz Marin Intl - IAD Washington, D.C. Dulles Intl
SJUIAD
San Juan Luis Munoz Marin Intl
Wed 11/4
8:05 am-11:09 am
Nonstop4h 04m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$159
AguadillaWashington, D.C.
BQN Aguadilla Borinquen - IAD Washington, D.C. Dulles Intl
BQNIAD
Aguadilla Borinquen
Thu 11/26
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
$163
AguadillaWashington, D.C.
BQN Aguadilla Borinquen - IAD Washington, D.C. Dulles Intl
BQNIAD
Aguadilla Borinquen
Mon 11/23
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
$163
AguadillaWashington, D.C.
BQN Aguadilla Borinquen - IAD Washington, D.C. Dulles Intl
BQNIAD
Aguadilla Borinquen
Mon 12/14
1:09 am-1:38 pm
2 stops13h 29m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$163
AguadillaWashington, D.C.
BQN Aguadilla Borinquen - IAD Washington, D.C. Dulles Intl
BQNIAD
Aguadilla Borinquen
Tue 11/24
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
$163
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
$163
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 11/5
6:59 pm-12:42 am
1 stop6h 43m
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
Mon 10/12
12:15 am-1:59 pm
2 stops13h 44m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$193
San JuanWashington, D.C.
SJU San Juan Luis Munoz Marin Intl - IAD Washington, D.C. Dulles Intl
SJUIAD
San Juan Luis Munoz Marin Intl
Tue 12/8
5:50 pm-8:56 pm
Nonstop4h 06m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$209
Showing 1-10 of 34 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.
SJU-IAD
BQN-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
SJU-IAD
BQN-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 8, 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 8, 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 8, 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.
Comfort
7.3
Entertainment
7.1
Boarding
7.7
Crew
8.1
Food
6.7
Overall
7.4
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Comfort
7.3
Entertainment
7.1
Boarding
7.7
Crew
8.1
Food
6.7
Overall
7.4
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Comfort
7.3
Entertainment
7.1
Boarding
7.7
Crew
8.1
Food
6.7
Overall
7.4
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
Arlington
Woodbridge
Chantilly
Owings Mills
Lanham
Herndon
Tysons
Reston
Hyattsville
Rockville
Springfield
Fredericksburg
Falls Church
Sterling
Laurel
Oxon Hill
Towson
Clinton
Hunt Valley
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Puerto Rico to Dulles Intl
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Complete your trip
Complete your trip to Dulles Intl by adding a car rental and/or hotel reservation to your travel itinerary.
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 8, 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 8, 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 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$75 | Average$172 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$244 | Average$425 | FlexibilityNo cancel fee | On-time69% |