Find cheap United Airlines flights to San José
RDU — SJO
Nov 6 — Nov 131
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Leverage Cheapflights for Your Next Trip
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.Find United Airlines flight deals to San José
Cheapest
Best
Direct
Last-minute
One-way
Cheapest United Airlines flights from USA to San JoséExplore the most affordable United Airlines flight options available from USA to San José. Find the lowest fares with prices last updated on October 7, 2026.
Explore the most affordable United Airlines flight options available from USA to San José. Find the lowest fares with prices last updated on October 7, 2026.
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.
Mon 10/196:15 am -
1 stop8h 06m
Sun 11/18:45 am -
1 stop13h 17m
Deal found 10/5![United Airlines logo]()
$379
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.
Sat 10/317:30 am -
Nonstop5h 18m
Sat 11/71:55 pm -
Nonstop5h 33m
Deal found 10/1![United Airlines logo]()
$404
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.
Sat 10/2410:15 pm -
1 stop13h 10m
Sat 11/71:55 pm -
Nonstop5h 33m
Deal found 10/3![United Airlines logo]()
$409
Best United Airlines flights from USA to San JoséDiscover carefully curated United Airlines flight deals from USA to San José that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 7, 2026.
Discover carefully curated United Airlines flight deals from USA to San José that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 7, 2026.
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/279:27 am -
1 stop9h 49m
Fri 2/51:15 am -
1 stop10h 20m
Deal found 10/2![United Airlines logo]()
$402
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.
Fri 1/291:05 pm -
1 stop8h 34m
Fri 2/58:45 am -
1 stop12h 14m
Deal found 10/6![United Airlines logo]()
$439
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.
Sat 11/285:00 am -
1 stop7h 22m
Sat 12/59:40 am -
1 stop11h 37m
Deal found 10/5![United Airlines logo]()
$439
Direct United Airlines flights from USA to San JoséExplore non-stop United Airlines flight options from USA to San José based on user searches, and compare prices and availability for your desired travel dates. Data last updated October 7, 2026.
Explore non-stop United Airlines flight options from USA to San José based on user searches, and compare prices and availability for your desired travel dates. Data last updated October 7, 2026.
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.
Sat 10/317:30 am -
Nonstop5h 18m
Sat 11/71:55 pm -
Nonstop5h 33m
Deal found 10/1![United Airlines logo]()
$404
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/38:59 am -
Nonstop5h 01m
Wed 2/102:15 pm -
Nonstop4h 44m
Deal found 10/2![United Airlines logo]()
$421
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/227:02 am -
Nonstop5h 13m
Wed 3/31:25 pm -
Nonstop5h 32m
Deal found 10/2![United Airlines logo]()
$421
Last-minute United Airlines flights from USA to San JoséDiscover last-minute United Airlines flight deals from USA to San José. Data last updated October 7, 2026 and is based on user searches.
Discover last-minute United Airlines flight deals from USA to San José. Data last updated October 7, 2026 and is based on user searches.
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.
Mon 10/196:15 am -
1 stop8h 06m
Sun 11/18:45 am -
1 stop13h 17m
Deal found 10/5![United Airlines logo]()
$379
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.
Sat 10/317:30 am -
Nonstop5h 18m
Sat 11/71:55 pm -
Nonstop5h 33m
Deal found 10/1![United Airlines logo]()
$404
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.
Sat 10/2410:15 pm -
1 stop13h 10m
Sat 11/71:55 pm -
Nonstop5h 33m
Deal found 10/3![United Airlines logo]()
$409
One-way United Airlines flights to San JoséSearch for one-way United Airlines flight options to San José. Find affordable one-way fares based on user searches. Data last updated October 7, 2026.
Search for one-way United Airlines flight options to San José. Find affordable one-way fares based on user searches. Data last updated October 7, 2026.
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.
Wed 10/285:25 pm -
1 stop17h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![United Airlines logo]()
$163
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.
Sun 10/256:00 am -
1 stop8h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![United Airlines logo]()
$168
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.
Thu 10/299:18 pm -
1 stop10h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![United Airlines logo]()
$170
Flights to San José with United Airlines at a glance
Find detailed information about United Airlines flights from USA to San José. Explore the options provided by United Airlines to plan your journey from USA to San José. Data last updated October 7, 2026.
Popular in | December |
|---|---|
Cheapest in | November |
Average price | $600 |
Round-trip from | $374 |
One-way from | $163 |
Good round-trip deal | $493 or less |
Good one-way deal | $219 or less |
Cheapflights Insights
Find cheap United Airlines flights to San José
US0-SJO
IAD-SJO
ORD-SJO
DEN-SJO
BOS-SJO
How long is the flight to San José with United Airlines?
On average, United Airlines flights from the United States to San José take 4 hours 39 minutes. Flights to San José from other popular cities in the United States will vary in length. Below are a few examples of popular routes and their flight times.
United Airlines weekly flight availability to San José
The most flights to San José operated by United Airlines are scheduled on a Wednesday (4 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).
When is the best time to book a flight to San José with United Airlines?
The best time to book a flight to San José with United Airlines is 81 days before departure. On average, fares are higher if you book 68 days before departure.
When is the cheapest time to fly to San José with United Airlines?
Users looking for the cheapest United Airlines fares to San José should consider flying on Tuesday afternoons, when prices are typically cheapest. Budget-minded travellers will want to avoid Saturday evenings, when prices are usually at their highest.
FAQs about flights to San José with United Airlines
Reviews of United Airlines
See what Cheapflights users have to say about their United Airlines experience.
Overview
Reviews
United Airlines
10,000 reviews
Overview
Food
6.7
Boarding
7.7
Comfort
7.3
Entertainment
7.1
Crew
8.1
Recent reviews
10.0
|Oct 2026Is good
10.0
|Sep 2026Everything was good
8.0
|Sep 2026The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.
10.0
|Aug 2026Staff friendly, good boarding experience
4.0
|Aug 2026Had to go through TSA again, already purchased bottle drink. TSA would not let through, United changed gates last minute. This experience bad for everyone. Staff rude, not our fault. Staff from Chicago to Wichita excellent!
1 out of 3334
Popular United Airlines flights
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Airports nearby
Complete your trip
Costa Rica flights
Flights by cabin class
Flights from SJO
Flights to SJO
Popular Costa Rica flight routes
Popular destinations
Popular flights
Popular routes
United Airlines