$236+ Cheap flights from Washington to Puerto Rico
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 11/26. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SJU
Nov 1 — Nov 81
Round-trip
1 adult, Economy
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Find cheap flights from Washington to Puerto Rico 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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Cheapest flights from Washington to Puerto RicoExplore the most affordable flight options available from Washington to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 2, 2026.
Explore the most affordable flight options available from Washington to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 2, 2026.
This Mytrip deal was found by Cheapflights users on 10/1. 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 11/69:13 pm -
2 stops23h 46m
Fri 11/133:55 pm -
2 stops27h 17m
Deal found 10/1![Frontier logo]()
$442
This Mytrip deal was found by Cheapflights users on 10/1. 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 11/66:39 pm -
1 stop17h 35m
Fri 11/133:59 pm -
2 stops27h 13m
Deal found 10/1![Multiple Airlines logo]()
$449
This Mytrip deal was found by Cheapflights users on 9/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2712:14 pm -
2 stops23h 28m
Tue 11/33:59 pm -
2 stops27h 13m
Deal found 9/27![Frontier logo]()
$464
This Mytrip deal was found by Cheapflights users on 9/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/66:36 pm -
1 stop17h 38m
Tue 11/174:52 pm -
3 stops30h 02m
Deal found 9/28![Multiple Airlines logo]()
$474
This Kiwi.com deal was found by Cheapflights users on 9/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/165:50 pm -
1 stop18h 25m
Wed 11/43:59 pm -
2 stops21h 46m
Deal found 9/30![Multiple Airlines logo]()
$481
This Mytrip deal was found by Cheapflights users on 9/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/224:27 pm -
2 stops28h 30m
Tue 11/33:59 pm -
2 stops27h 13m
Deal found 9/29![Frontier logo]()
$492
This Mytrip deal was found by Cheapflights users on 9/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/296:08 pm -
2 stops18h 12m
Tue 11/33:59 pm -
2 stops27h 13m
Deal found 9/30![Multiple Airlines logo]()
$494
This Mytrip deal was found by Cheapflights users on 9/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/309:13 pm -
2 stops23h 31m
Tue 11/33:59 pm -
2 stops27h 13m
Deal found 9/28![Frontier logo]()
$500
This United Airlines deal was found by Cheapflights users on 9/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/285:00 am -
1 stop9h 25m
Fri 10/301:05 am -
2 stops14h 24m
Deal found 9/29![United Airlines logo]()
$540
This United Airlines deal was found by Cheapflights users on 9/27. 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.
Sun 11/15:00 am -
1 stop9h 25m
Sat 11/148:05 am -
2 stops17h 06m
Deal found 9/27![United Airlines logo]()
$549
This Delta deal was found by Cheapflights users on 9/27. 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.
Sat 10/314:30 pm -
2 stops17h 35m
Sat 11/147:00 am -
2 stops15h 57m
Deal found 9/27![Delta logo]()
$558
This Delta deal was found by Cheapflights users on 9/30. 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.
Sat 11/75:45 pm -
2 stops15h 20m
Wed 11/117:00 am -
2 stops16h 44m
Deal found 9/30![Delta logo]()
$558
Best flights from Washington to Puerto RicoDiscover carefully curated flight deals from Washington to Puerto Rico that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 2, 2026.
Discover carefully curated flight deals from Washington to Puerto Rico that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 2, 2026.
This United Airlines deal was found by Cheapflights users on 9/28. 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.
Wed 10/285:00 am -
1 stop9h 25m
Wed 11/48:05 am -
2 stops14h 36m
Deal found 9/28![United Airlines logo]()
$540
This Southwest deal was found by Cheapflights users on 9/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/64:05 pm -
2 stops15h 15m
Sun 11/226:05 am -
2 stops15h 05m
Deal found 9/27![Southwest logo]()
$611
This American Airlines deal was found by Cheapflights users on 10/2. 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 2/66:15 am -
2 stops13h 26m
Tue 2/238:19 am -
2 stops16h 23m
Deal found 10/2![American Airlines logo]()
$636
This Sun Country Air deal was found by Cheapflights users on 9/28. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/276:36 pm -
1 stop17h 38m
Sat 12/55:15 pm -
1 stop28h 02m
Deal found 9/28![Sun Country Air logo]()
$642
This United deal was found by Cheapflights users on 9/28. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/157:00 am -
2 stops22h 30m
Tue 3/23:00 pm -
2 stops29h 18m
Deal found 9/28![Multiple Airlines logo]()
$1,074
This United Airlines deal was found by Cheapflights users on 9/27. 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.
Sun 11/15:00 am -
1 stop9h 25m
Sat 11/148:05 am -
2 stops17h 06m
Deal found 9/27![United Airlines logo]()
$549
This Alaska Airlines deal was found by Cheapflights users on 10/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/163:18 pm -
2 stops20h 51m
Mon 11/2311:31 am -
2 stops16h 28m
Deal found 10/2![Alaska Airlines logo]()
$1,208
This United Airlines deal was found by Cheapflights users on 9/28. 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.
Fri 10/3011:15 pm -
1 stop11h 25m
Tue 11/38:25 am -
2 stops14h 01m
Deal found 9/28![United Airlines logo]()
$554
This Southwest deal was found by Cheapflights users on 9/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:30 am -
2 stops11h 25m
Sat 12/55:40 am -
2 stops14h 25m
Deal found 9/30![Southwest logo]()
$616
This United Airlines deal was found by Cheapflights users on 10/1. 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 11/197:35 pm -
2 stops13h 40m
Thu 11/268:25 am -
1 stop11h 54m
Deal found 10/1![United Airlines logo]()
$586
This Sun Country Air deal was found by Cheapflights users on 9/28. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/197:10 pm -
1 stop14h 57m
Thu 12/245:20 pm -
1 stop20h 00m
Deal found 9/28![Sun Country Air logo]()
$730
This Southwest deal was found by Cheapflights users on 9/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/152:40 pm -
2 stops15h 10m
Mon 1/252:05 pm -
2 stops12h 00m
Deal found 9/30![Southwest logo]()
$741
This United Airlines deal was found by Cheapflights users on 9/27. 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.
Mon 11/95:00 am -
2 stops12h 00m
Tue 11/102:05 am -
2 stops14h 24m
Deal found 9/27![United Airlines logo]()
$630
This United Airlines deal was found by Cheapflights users on 9/27. 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.
Sun 10/187:00 am -
1 stop13h 09m
Wed 10/2112:15 am -
2 stops15h 33m
Deal found 9/27![United Airlines logo]()
$654
This United Airlines deal was found by Cheapflights users on 9/30. 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.
Tue 10/275:05 am -
2 stops14h 52m
Wed 10/2812:09 am -
2 stops19h 03m
Deal found 9/30![United Airlines logo]()
$654
This United Airlines deal was found by Cheapflights users on 10/1. 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 12/67:00 am -
1 stop12h 57m
Sat 1/161:09 am -
1 stop13h 57m
Deal found 10/1![United Airlines logo]()
$654
This United Airlines deal was found by Cheapflights users on 9/30. 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.
Mon 10/267:00 am -
2 stops12h 57m
Tue 10/2712:09 am -
3 stops23h 38m
Deal found 9/30![United Airlines logo]()
$654
This Alaska Airlines deal was found by Cheapflights users on 9/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/143:18 pm -
2 stops20h 51m
Sat 11/216:55 pm -
2 stops24h 22m
Deal found 9/30![Alaska Airlines logo]()
$1,293
This United Airlines deal was found by Cheapflights users on 9/27. 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.
Thu 12/311:02 pm -
1 stop12h 19m
Thu 1/143:46 pm -
1 stop10h 52m
Deal found 9/27![United Airlines logo]()
$654
This Alaska Airlines deal was found by Cheapflights users on 9/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/133:18 pm -
2 stops28h 58m
Fri 11/208:25 am -
2 stops19h 34m
Deal found 9/29![Alaska Airlines logo]()
$1,306
This United Airlines deal was found by Cheapflights users on 10/1. 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 12/312:41 pm -
1 stop10h 40m
Sat 1/168:25 am -
2 stops16h 17m
Deal found 10/1![United Airlines logo]()
$654
This Alaska Airlines deal was found by Cheapflights users on 9/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/113:18 pm -
2 stops28h 58m
Wed 11/189:45 am -
2 stops17h 53m
Deal found 9/27![Alaska Airlines logo]()
$1,326
This Alaska Airlines deal was found by Cheapflights users on 10/1. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/153:18 pm -
2 stops28h 58m
Sun 11/226:55 pm -
2 stops33h 04m
Deal found 10/1![Alaska Airlines logo]()
$1,348
This United Airlines deal was found by Cheapflights users on 9/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/58:09 am -
2 stops23h 41m
Sun 12/132:05 am -
3 stops22h 56m
Deal found 9/29![United Airlines logo]()
$744
This Alaska Airlines deal was found by Cheapflights users on 10/1. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/163:00 pm -
2 stops21h 23m
Tue 10/207:30 am -
2 stops19h 12m
Deal found 10/1![Alaska Airlines logo]()
$1,449
This United Airlines deal was found by Cheapflights users on 9/28. 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.
Mon 2/15:15 am -
1 stop9h 10m
Fri 2/58:25 am -
2 stops16h 42m
Deal found 9/28![United Airlines logo]()
$772
This Alaska Airlines deal was found by Cheapflights users on 10/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:25 am -
2 stops28h 12m
Wed 10/2110:36 am -
2 stops30h 47m
Deal found 10/2![Alaska Airlines logo]()
$1,507
This United Airlines deal was found by Cheapflights users on 9/30. 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.
Thu 11/1912:20 pm -
3 stops20h 55m
Sat 12/58:05 am -
2 stops14h 19m
Deal found 9/30![United Airlines logo]()
$791
This United Airlines deal was found by Cheapflights users on 9/27. 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.
Thu 12/312:41 pm -
1 stop10h 40m
Thu 1/142:05 am -
3 stops22h 37m
Deal found 9/27![United Airlines logo]()
$804
This Alaska Airlines deal was found by Cheapflights users on 9/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/133:00 pm -
2 stops43h 28m
Sat 10/172:53 pm -
2 stops26h 30m
Deal found 9/28![Alaska Airlines logo]()
$1,647
Last-minute flights from Washington to Puerto RicoDiscover last-minute flight deals from Washington to Puerto Rico. Data last updated October 2, 2026 and is based on user searches.
Discover last-minute flight deals from Washington to Puerto Rico. Data last updated October 2, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/165:50 pm -
1 stop18h 25m
Wed 11/43:59 pm -
2 stops21h 46m
Deal found 9/30![Multiple Airlines logo]()
$481
This Mytrip deal was found by Cheapflights users on 9/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/224:27 pm -
2 stops28h 30m
Tue 11/33:59 pm -
2 stops27h 13m
Deal found 9/29![Frontier logo]()
$492
This Mytrip deal was found by Cheapflights users on 9/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2712:14 pm -
2 stops23h 28m
Tue 11/33:59 pm -
2 stops27h 13m
Deal found 9/27![Frontier logo]()
$464
This United Airlines deal was found by Cheapflights users on 9/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/285:00 am -
1 stop9h 25m
Fri 10/301:05 am -
2 stops14h 24m
Deal found 9/29![United Airlines logo]()
$540
This Mytrip deal was found by Cheapflights users on 9/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/296:08 pm -
2 stops18h 12m
Tue 11/33:59 pm -
2 stops27h 13m
Deal found 9/30![Multiple Airlines logo]()
$494
This Mytrip deal was found by Cheapflights users on 9/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/309:13 pm -
2 stops23h 31m
Tue 11/33:59 pm -
2 stops27h 13m
Deal found 9/28![Frontier logo]()
$500
This Delta deal was found by Cheapflights users on 9/27. 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.
Sat 10/314:30 pm -
2 stops17h 35m
Sat 11/147:00 am -
2 stops15h 57m
Deal found 9/27![Delta logo]()
$558
This United Airlines deal was found by Cheapflights users on 9/27. 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.
Sun 11/15:00 am -
1 stop9h 25m
Sat 11/148:05 am -
2 stops17h 06m
Deal found 9/27![United Airlines logo]()
$549
This Mytrip deal was found by Cheapflights users on 10/1. 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 11/69:13 pm -
2 stops23h 46m
Fri 11/133:55 pm -
2 stops27h 17m
Deal found 10/1![Frontier logo]()
$442
This Mytrip deal was found by Cheapflights users on 10/1. 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 11/66:39 pm -
1 stop17h 35m
Fri 11/133:59 pm -
2 stops27h 13m
Deal found 10/1![Multiple Airlines logo]()
$449
This Mytrip deal was found by Cheapflights users on 9/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/66:36 pm -
1 stop17h 38m
Tue 11/174:52 pm -
3 stops30h 02m
Deal found 9/28![Multiple Airlines logo]()
$474
This Delta deal was found by Cheapflights users on 9/30. 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.
Sat 11/75:45 pm -
2 stops15h 20m
Wed 11/117:00 am -
2 stops16h 44m
Deal found 9/30![Delta logo]()
$558
One-way flights from Washington to Puerto RicoSearch for one-way flight options from Washington to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated October 2, 2026.
Search for one-way flight options from Washington to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated October 2, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/269:53 pm -
2 stops35h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![Frontier logo]()
$236
This Kiwi.com deal was found by Cheapflights users on 9/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/269:16 pm -
2 stops49h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Frontier logo]()
$238
This Kiwi.com deal was found by Cheapflights users on 9/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/114:27 pm -
2 stops40h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Frontier logo]()
$239
This Kiwi.com deal was found by Cheapflights users on 10/1. 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 10/309:13 pm -
2 stops23h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![Frontier logo]()
$244
This Kiwi.com deal was found by Cheapflights users on 9/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/1010:11 am -
2 stops40h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Multiple Airlines logo]()
$254
This Kiwi.com deal was found by Cheapflights users on 9/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/257:20 pm -
3 stops40h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Multiple Airlines logo]()
$261
This Kiwi.com deal was found by Cheapflights users on 9/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/74:58 pm -
2 stops29h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Frontier logo]()
$264
This Kiwi.com deal was found by Cheapflights users on 9/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/164:29 pm -
2 stops34h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Frontier logo]()
$269
This American Airlines deal was found by Cheapflights users on 9/27. 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.
Thu 10/2212:49 pm -
2 stops17h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![American Airlines logo]()
$270
This American Airlines deal was found by Cheapflights users on 9/27. 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 10/212:08 pm -
2 stops18h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![American Airlines logo]()
$275
This United Airlines deal was found by Cheapflights users on 9/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/127:04 pm -
2 stops12h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![United Airlines logo]()
$277
This American Airlines deal was found by Cheapflights users on 9/27. 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 10/196:00 am -
1 stop14h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![American Airlines logo]()
$279
Find flight deals from Washington to Puerto Rico
Keep the following information in mind while searching for Washington to Puerto Rico flight deals. Data was last updated October 2, 2026.
Round-trip from | $464 (Mytrip) |
|---|---|
One-way from | $236 (Kiwi.com) |
Popular in | December |
Cheapest in | January |
Average price | $494 |
Cheapflights Fare Finder
Customize your flight search to find flights from Washington to Puerto Rico 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 2, 2026.
Use the filters below to find and compare flights from Washington to Puerto Rico that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PascoSan Juan
PSC Pasco Tri Cities - SJU San Juan Luis Munoz Marin Intl
PSCSJU
Pasco Tri Cities
Sun 1/10
10:11 am-7:03 am
2 stops40h 52m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-8:00 pm
Nonstop0h 00m
$254
SpokaneSan Juan
GEG Spokane - SJU San Juan Luis Munoz Marin Intl
GEGSJU
Spokane
Tue 10/27
5:40 am-11:50 pm
2 stops15h 10m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-8:00 pm
Nonstop0h 00m
$270
SpokaneSan Juan
GEG Spokane - SJU San Juan Luis Munoz Marin Intl
GEGSJU
Spokane
Sun 10/25
5:38 pm-12:05 pm
2 stops15h 27m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-8:00 pm
Nonstop0h 00m
$270
SpokaneSan Juan
GEG Spokane - SJU San Juan Luis Munoz Marin Intl
GEGSJU
Spokane
Tue 10/27
5:00 am-5:25 pm
1 stop9h 25m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-8:00 pm
Nonstop0h 00m
$270
SpokaneSan Juan
GEG Spokane - SJU San Juan Luis Munoz Marin Intl
GEGSJU
Spokane
Thu 10/22
6:00 am-11:20 pm
1 stop14h 20m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-8:00 pm
Nonstop0h 00m
$270
SpokaneSan Juan
GEG Spokane - SJU San Juan Luis Munoz Marin Intl
GEGSJU
Spokane
Mon 10/26
5:00 am-5:25 pm
1 stop9h 25m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-8:00 pm
Nonstop0h 00m
$270
SeattleSan Juan
SEA Seattle/Tacoma Intl - SJU San Juan Luis Munoz Marin Intl
SEASJU
Seattle/Tacoma Intl
Thu 12/31
9:25 am-2:44 am
2 stops13h 19m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-8:00 pm
Nonstop0h 00m
$277
SeattleSan Juan
SEA Seattle/Tacoma Intl - SJU San Juan Luis Munoz Marin Intl
SEASJU
Seattle/Tacoma Intl
Tue 12/8
9:25 am-12:45 am
2 stops11h 20m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-8:00 pm
Nonstop0h 00m
$277
SeattleSan Juan
SEA Seattle/Tacoma Intl - SJU San Juan Luis Munoz Marin Intl
SEASJU
Seattle/Tacoma Intl
Thu 11/12
7:04 pm-11:50 am
2 stops12h 46m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-8:00 pm
Nonstop0h 00m
$277
SeattleSan Juan
SEA Seattle/Tacoma Intl - SJU San Juan Luis Munoz Marin Intl
SEASJU
Seattle/Tacoma Intl
Tue 1/19
6:05 am-11:50 pm
2 stops13h 45m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-8:00 pm
Nonstop0h 00m
$277
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Washington to Puerto Rico
Have a flexible travel schedule? Discover the best time to fly to Puerto Rico from Washington with our price prediction graph.
SEA-SJU
GEG-SJU
PSC-SJU
SEA-BQN
YKM-SJU
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 to Puerto Rico
USWA-PR0
SEA-SJU
GEG-SJU
PSC-SJU
SEA-BQN
What is the cheapest month to book a flight from State of Washington to Puerto Rico?
Currently, January is the cheapest month in which you can book a flight from State of Washington to Puerto Rico (average of $505). Flying from State of Washington to Puerto Rico in December is currently the most expensive (average of $794). 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 far ahead should I book a flight from State of Washington to Puerto Rico?
The price you pay for your flight from State of Washington to Puerto Rico may vary depending on when you book. For the best chance of a lower fare, look to book 60 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Related info for your journey
Find useful and relevant information for your journey from Washington to Puerto Rico. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Washington to Puerto Rico
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Puerto Rico by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Washington to Puerto Rico by cabin class
Find flights from Washington to Puerto Rico, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Washington and Puerto Rico flights
Browse other Washington and Puerto Rico flight options. Last updated on October 2, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Puerto Rico
Find the right flight back to Washington after your stay in Puerto Rico
Washington to Puerto Rico flights
Consider these flights traveling from Washington to Puerto Rico.
Top 7 airlines flying from Washington to Puerto Rico
Discover the top 7 airlines that operate flights from Washington to Puerto Rico. 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 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$324 | Average$571 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$328 | Average$622 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$363 | Average$760 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$364 | Average$707 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$434 | Average$572 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$454 | Average$810 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$587 | Average$727 | FlexibilityNo cancel fee | On-time75% |