$168+ Cheap flights from Reagan-National (DCA) to San José (SJO)
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 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — SJO
Oct 21 — Oct 281
Round-trip
1 adult, Economy
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Find cheap flights from Reagan-National to San José 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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Best
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One-way
Cheapest flights from Reagan-National to San JoséExplore the most affordable flight options available from Reagan-National to San José. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 21, 2026.
Explore the most affordable flight options available from Reagan-National to San José. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 21, 2026.
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/156:00 am -
1 stop17h 15m
Wed 11/182:37 pm -
1 stop8h 09m
Deal found 9/16![Delta logo]()
$378
This American Airlines deal was found by Cheapflights users on 9/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/291:29 pm -
2 stops8h 52m
Thu 11/52:01 pm -
1 stop7h 17m
Deal found 9/16![American Airlines logo]()
$383
This American Airlines deal was found by Cheapflights users on 9/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:20 pm -
1 stop18h 47m
Wed 11/113:54 pm -
1 stop7h 36m
Deal found 9/17![American Airlines logo]()
$385
This American Airlines deal was found by Cheapflights users on 9/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/118:51 pm -
1 stop18h 58m
Mon 11/163:54 pm -
1 stop17h 38m
Deal found 9/16![American Airlines logo]()
$388
This American Airlines deal was found by Cheapflights users on 9/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/312:57 pm -
1 stop7h 08m
Sat 11/72:01 pm -
1 stop7h 17m
Deal found 9/16![American Airlines logo]()
$389
This American Airlines deal was found by Cheapflights users on 9/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/37:59 pm -
1 stop19h 50m
Sun 11/83:54 pm -
1 stop17h 38m
Deal found 9/16![American Airlines logo]()
$393
This American Airlines deal was found by Cheapflights users on 9/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2911:50 am -
1 stop10h 31m
Sat 11/73:54 pm -
1 stop7h 36m
Deal found 9/16![American Airlines logo]()
$398
This American Airlines deal was found by Cheapflights users on 9/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/225:00 am -
1 stop17h 21m
Sun 10/253:01 pm -
1 stop17h 31m
Deal found 9/17![American Airlines logo]()
$403
This American Airlines deal was found by Cheapflights users on 9/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/118:51 pm -
1 stop18h 58m
Sun 11/153:54 pm -
1 stop17h 38m
Deal found 9/16![American Airlines logo]()
$413
This United Airlines deal was found by Cheapflights users on 9/18. 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 11/86:00 am -
1 stop8h 22m
Wed 11/1111:28 pm -
1 stop9h 01m
Deal found 9/18![United Airlines logo]()
$417
This American Airlines deal was found by Cheapflights users on 9/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1911:47 am -
1 stop10h 20m
Sat 9/262:57 pm -
1 stop16h 08m
Deal found 9/18![American Airlines logo]()
$418
This JetBlue deal was found by Cheapflights users on 9/16. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/236:00 am -
1 stop8h 48m
Thu 12/312:50 pm -
1 stop7h 18m
Deal found 9/16![JetBlue logo]()
$421
Best flights from Reagan-National to San JoséDiscover carefully curated flight deals from Reagan-National to San José that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 21, 2026.
Discover carefully curated flight deals from Reagan-National to San José that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 21, 2026.
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1610:15 am -
1 stop13h 00m
Thu 11/197:00 am -
1 stop9h 20m
Deal found 9/16![Delta logo]()
$378
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Sun 11/17:36 pm -
1 stop16h 49m
Thu 11/58:45 am -
1 stop11h 12m
Deal found 9/16![United Airlines logo]()
$498
This Southwest deal was found by Cheapflights users on 9/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/19:15 pm -
2 stops16h 05m
Thu 11/52:10 pm -
2 stops19h 00m
Deal found 9/16![Southwest logo]()
$500
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/112:00 pm -
1 stop9h 15m
Sun 11/222:37 pm -
1 stop17h 37m
Deal found 9/16![Delta logo]()
$462
This United Airlines deal was found by Cheapflights users on 9/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/256:00 am -
1 stop15h 39m
Sat 10/3111:35 am -
1 stop8h 40m
Deal found 9/19![United Airlines logo]()
$508
This Delta deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/239:00 am -
1 stop14h 15m
Mon 12/77:00 am -
1 stop10h 25m
Deal found 9/20![Delta logo]()
$462
This Southwest deal was found by Cheapflights users on 9/18. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:55 am -
2 stops13h 45m
Mon 10/261:30 pm -
1 stop8h 15m
Deal found 9/18![Southwest logo]()
$555
This United Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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 11/47:36 pm -
1 stop16h 49m
Wed 11/118:45 am -
1 stop14h 12m
Deal found 9/20![United Airlines logo]()
$508
This Delta deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2612:31 pm -
1 stop10h 44m
Thu 12/37:00 am -
1 stop9h 20m
Deal found 9/20![Delta logo]()
$462
This United Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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 11/257:36 pm -
1 stop16h 49m
Thu 12/311:28 pm -
1 stop13h 54m
Deal found 9/20![United Airlines logo]()
$508
This Southwest deal was found by Cheapflights users on 9/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/36:00 am -
1 stop8h 15m
Sun 11/82:10 pm -
2 stops19h 00m
Deal found 9/16![Southwest logo]()
$637
Last-minute flights from Reagan-National to San JoséDiscover last-minute flight deals from Reagan-National to San José. Data last updated September 21, 2026 and is based on user searches.
Discover last-minute flight deals from Reagan-National to San José. Data last updated September 21, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1911:47 am -
1 stop10h 20m
Sat 9/262:57 pm -
1 stop16h 08m
Deal found 9/18![American Airlines logo]()
$418
This American Airlines deal was found by Cheapflights users on 9/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/225:00 am -
1 stop17h 21m
Sun 10/253:01 pm -
1 stop17h 31m
Deal found 9/17![American Airlines logo]()
$403
This Delta deal was found by Cheapflights users on 9/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:00 am -
1 stop8h 00m
Mon 11/22:25 pm -
1 stop7h 24m
Deal found 9/17![Delta logo]()
$462
This United Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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 10/2610:05 am -
1 stop10h 48m
Sat 10/3111:35 am -
1 stop8h 40m
Deal found 9/20![United Airlines logo]()
$428
This Delta deal was found by Cheapflights users on 9/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/296:00 am -
1 stop8h 00m
Tue 11/32:25 pm -
1 stop7h 24m
Deal found 9/18![Delta logo]()
$378
This American Airlines deal was found by Cheapflights users on 9/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/291:29 pm -
2 stops8h 52m
Sat 11/72:01 pm -
1 stop7h 17m
Deal found 9/16![American Airlines logo]()
$383
This Southwest deal was found by Cheapflights users on 9/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/299:00 am -
2 stops12h 40m
Thu 11/52:10 pm -
2 stops19h 00m
Deal found 9/16![Southwest logo]()
$447
This American Airlines deal was found by Cheapflights users on 9/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/305:00 am -
1 stop17h 21m
Tue 11/32:01 pm -
1 stop8h 29m
Deal found 9/17![American Airlines logo]()
$458
This American Airlines deal was found by Cheapflights users on 9/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/312:57 pm -
1 stop7h 08m
Sat 11/72:01 pm -
1 stop7h 17m
Deal found 9/16![American Airlines logo]()
$389
This American Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/311:42 pm -
1 stop8h 23m
Fri 11/132:07 pm -
1 stop8h 52m
Deal found 9/20![American Airlines logo]()
$449
One-way flights from Reagan-National to San JoséSearch for one-way flight options from Reagan-National to San José. Find affordable one-way fares based on user searches. Data last updated September 21, 2026.
Search for one-way flight options from Reagan-National to San José. Find affordable one-way fares based on user searches. Data last updated September 21, 2026.
This United Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” 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 9/2412:57 pm -
1 stop8h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![United Airlines logo]()
$168
This American Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” 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 11/146:11 am -
1 stop7h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![American Airlines logo]()
$174
This American Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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 11/93:17 pm -
1 stop22h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![American Airlines logo]()
$180
This American Airlines deal was found by Cheapflights users on 9/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/38:51 pm -
1 stop18h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![American Airlines logo]()
$182
This United Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” 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 10/167:30 pm -
1 stop18h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![United Airlines logo]()
$188
This American Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” 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 11/128:51 pm -
1 stop17h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![American Airlines logo]()
$213
This American Airlines deal was found by Cheapflights users on 9/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/215:10 pm -
2 stops20h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![American Airlines logo]()
$218
This American Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:59 pm -
1 stop19h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![American Airlines logo]()
$229
This JetBlue deal was found by Cheapflights users on 9/17. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/66:15 am -
1 stop8h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![JetBlue logo]()
$230
Find flight deals from Reagan-National to San José
Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) to San José (SJO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $378 (Delta) |
One-way from | $168 (United Airlines) |
Popular in | September |
Cheapest in | November |
Average price | $692 |
Cheapflights Fare Finder
Customize your flight search to find flights from Reagan-National to San José 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 September 21, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to San José that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Washington, D.C.San José
DCA Washington, D.C. Reagan-National - SJO San José Juan Santamaria Intl
DCASJO
Washington, D.C. Reagan-National
Wed 11/11
8:51 pm-2:49 pm
1 stop18h 58m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$182
Washington, D.C.San José
DCA Washington, D.C. Reagan-National - SJO San José Juan Santamaria Intl
DCASJO
Washington, D.C. Reagan-National
Mon 10/26
7:36 pm-12:22 pm
1 stop18h 46m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$188
Washington, D.C.San José
DCA Washington, D.C. Reagan-National - SJO San José Juan Santamaria Intl
DCASJO
Washington, D.C. Reagan-National
Sun 12/6
6:15 am-1:53 pm
1 stop8h 38m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$230
Washington, D.C.San José
DCA Washington, D.C. Reagan-National - SJO San José Juan Santamaria Intl
DCASJO
Washington, D.C. Reagan-National
Fri 9/25
12:57 pm-7:15 am
2 stops20h 18m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$233
Washington, D.C.San José
DCA Washington, D.C. Reagan-National - SJO San José Juan Santamaria Intl
DCASJO
Washington, D.C. Reagan-National
Wed 11/11
8:55 pm-12:20 pm
2 stops16h 25m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$235
Washington, D.C.San José
DCA Washington, D.C. Reagan-National - SJO San José Juan Santamaria Intl
DCASJO
Washington, D.C. Reagan-National
Mon 11/30
6:00 am-1:48 pm
1 stop8h 48m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$237
Washington, D.C.San José
DCA Washington, D.C. Reagan-National - SJO San José Juan Santamaria Intl
DCASJO
Washington, D.C. Reagan-National
Sat 11/7
8:51 pm-1:01 pm
1 stop17h 10m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$247
Quickest round-trip
Washington, D.C.San José
DCA Washington, D.C. Reagan-National - SJO San José Juan Santamaria Intl
DCASJO
Washington, D.C. Reagan-National
Thu 10/22
1:05 pm-7:40 pm
1 stop8h 35m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$248
Washington, D.C.San José
DCA Washington, D.C. Reagan-National - SJO San José Juan Santamaria Intl
DCASJO
Washington, D.C. Reagan-National
Wed 11/18
10:15 am-10:15 pm
1 stop13h 00m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$252
Washington, D.C.San José
DCA Washington, D.C. Reagan-National - SJO San José Juan Santamaria Intl
DCASJO
Washington, D.C. Reagan-National
Thu 12/3
9:00 am-10:17 pm
1 stop14h 17m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$252
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from Reagan-National to San José
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Reagan-National to San José in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Washington, D.C. Reagan-National Airport-San José flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Reagan-National Airport-San José flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-San José flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Washington, D.C. Reagan-National Airport-San José flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Reagan-National Airport-San José flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Reagan-National to San José
Have a flexible travel schedule? Discover the best time to fly to San José from Reagan-National with our price prediction graph.
DCA-SJO
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Washington, D.C. Reagan-National Airport to San José
How far ahead should I book a flight from Washington, D.C. Reagan-National Airport to San José?
The best time to book flights from Washington, D.C. Reagan-National Airport to San José is 43 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to San José?
Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to San José (average of $305). Flying from Washington, D.C. Reagan-National Airport to San José in September is currently the most expensive (average of $692). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Washington, D.C. Reagan-National Airport to San José?
Airfare is typical for this route at the moment.
Washington, D.C. Reagan-National Airport to San José flights typically cost between $319 and $578 in November.The cheapest round-trip price found within the last 5 days was $378 on Delta (Nov 15-Nov 20).
Reviews of airlines servicing San José
Get insights into the airlines that provide service to San José. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San José. Reviews last updated September 21, 2026.
See what other customers who have flown with Southwest,United Airlines, andJetBlue from Washington, D.C. Reagan-National Airport to San José have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Related info for your journey
Find useful and relevant information for your journey from Reagan-National to San José. 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 San José?
Book flights to San José if you plan to visit one of these locationsAlajuela
Jacó
Heredia
Dominical
Manuel Antonio
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Top 3 airlines flying from Reagan-National to San José
Discover the top 3 airlines that operate flights from Reagan-National to San José. 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 September 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$235 | Average$475 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$280 | Average$533 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$375 | Average$518 | FlexibilityNo cancel fee | On-time62% |