San José (Alajuela) to Dulles (SJO–IAD) — Airlines, Schedules & Connections

SJO Airport Page →
2,043 mi airlines 2/wk
On-time Some delays Frequent delays
Flight Schedule 2 flights Verified 5m ago
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  Flight Airline AC Dep Arr Dur OTP Sched  
✓
→
UA2073
UA United
B38M
1:30 PM
CST
8:11 PM
EDT
4h 41m
—
M T W T F S S
Prices
✓
←
UA2052
UA United
7M8
8:57 AM
EDT
11:55 AM
CST
4h 58m
—
M T W T F S S
Prices

No flights match your filters.

No nonstop flights on this route. connecting options below.

✦ 1-STOP
✧ 2-STOP Loading...
San José (Alajuela) to Dulles
1 carrier, 2 flights/week nonstop.
1 Airlines 2 Flights/wk 2,043 mi 4h 41m nonstop +2h ahead 42 1-stop hubs

SJO–IAD is served by 1 airline with nonstop service. United Airlines leads the route. The flight covers 2,043 miles in approximately 4h 41m. Beyond nonstop, 42 hubs offer 1-stop connections.

Also explore SJO Routes IAD Routes SJO Live Flights IAD Live Flights IAD Delays
Carriers on this route

Airline Landscape

All carriers operating nonstop SJO–IAD service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
UA United Airlines 2 B38M 4h41 – Star Alliance –
Aircraft on this route
B38M – UA
Alliance coverage
Star Alliance: UA (2 flights/wk, 100%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.
Schedule

Weekly Schedule Pattern

Nonstop flight frequency by day of week, SJO to IAD direction.
Mon
0
flights
Tue
0
flights
Wed
0
flights
Thu
0
flights
Fri
0
flights
Sat
1
flight
Sun
1
flight
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
1
Nonstop flights
2
Outbound / wk
2
Return / wk
Connections

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for SJO to IAD.
1-STOP
One-Stop Connections
42
Hubs
~6h
Fastest
~42h
Longest
ILM ~6h 0m APF ~6h 6m PBI ~6h 18m BWI ~6h 31m SRQ ~6h 35m
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
2,214
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.
Reliability

On-Time Performance

What to expect at each end of your journey.
Outbound
SJO → IAD
40%
Frequent delays expected. Consider flexible booking.
Arriving
40%
Return
IAD → SJO
100%
Generally reliable. Most flights run on time.
Departing
100%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. IAD delays →
Know before you go

Travel Essentials

Practical planning for this route.
Time Difference
+2h
Dulles is 2 hours ahead of San José (Alajuela).
SJO: CST · IAD: EDT

When it's 6:00 PM in San José (Alajuela), it's 8:00 PM in Dulles.
Distance & Flight Time
2,043 mi / 3,288 km
Nonstop flight time is approximately 4h 41m.
Getting from IAD

Silver Line Metro runs from Washington Dulles Airport station to Metro Center in about 65 minutes (~$7). The route bypasses I-66 and I-495 congestion entirely. Washington Flyer coach also runs to Wiehle-Reston East station ($6, 15 min) for Metro connection.Taxis and ride-shares to downtown DC cost $55–80 and take 35–55 minutes depending on traffic. Car rental facilities are on-site. Dulles is 27 miles west of the Capitol; it is farther than either DCA or BWI from central DC.

Dulles Climate

Humid continental climate. Summers are hot and muggy (30–36°C) with frequent afternoon thunderstorms that cause delays June through August. Winters bring cold temperatures (−3 to 5°C) with snow and ice. The Virginia suburbs accumulate more snow than downtown DC, and ice storms are the primary disruption risk.

Dulles sits at higher elevation in Virginia's piedmont and sees more winter precipitation than DCA. Spring and fall are variable. Snowfall is possible into April. Thunderstorms begin from April through May.

Check current weather forecasts before travel.
Facts

SJO–IAD Quick Facts

Key statistics for the San José (Alajuela) to Dulles route.
Route details
Distance2,043 mi / 3,288 km
Flight time4h 41m
Time difference+2 hours
Airlines (nonstop)1
Weekly flights2 out / 2 return
1-stop connections42 hubs
Origin: SJO
Full nameJuan Santamaría International Airport
IATA / ICAOSJO / MROC
TimezoneAmerica/Costa_Rica
Passengers/yr7.5M
Elevation3,021 ft / 921 m
Destination: IAD
Full nameWashington Dulles International Airport
IATA / ICAOIAD / KIAD
TimezoneAmerica/New_York
Passengers/yr26.0M
Elevation312 ft / 95 m
FAQ

Frequently Asked Questions

Common questions about SJO to IAD flights.
Nonstop flights from Juan Santamaría International Airport to Washington Dulles International Airport take approximately 4h 41m. The route covers 2,043 miles.
1 airline operates nonstop service: United Airlines.
There are approximately 2 nonstop flights per week from SJO to IAD. The return direction has about 2 weekly flights.
Yes, 1-stop connections are available through ILM, APF, PBI, BWI, SRQ, TEB, TYS, MSY, HOU, DAL, DSM, SAT, SEA, YYZ, JFK, YUL, PTY, GUA, SAL, IAH, EWR, BOG, ORD, MIA, BNA, MAD, ATL, MCO, LAX, DFW, AUS, ZRH, FLL, MEX, CDG, CLT, DEN, TPA, SFO, GDL, FRA and AMS. These options provide additional schedule flexibility.
Dulles is 2 hours ahead of San José (Alajuela).
Yes, return flights from IAD to SJO are available. Use the direction toggle at the top to view the return schedule.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
See the On-Time Performance section for the latest delay data at both airports. This shows departure and arrival reliability to help you plan.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

Flights from SJO to IAD

Juan Santamaría International Airport (SJO) and Washington Dulles International Airport (IAD) are connected by nonstop service from United Airlines. With 2 weekly departures, this is a regularly served route.

SJO to IAD Flight Duration and Schedule

Nonstop flight time from SJO to IAD ranges from 4 hours 41 minutes. The route covers a distance of 2,043 miles (3,288 km). There are approximately 2 weekly flights outbound and 2 return, totaling 4 flights per week in both directions.

Connecting Options and Alternatives

42 one-stop connections are available, with the fastest taking approximately 6 hours via ILM. Two-stop connections are also available via intermediate hubs.