Washington, DC WAS to San José SJO flight with United

The earliest flight from Washington, DC to San José leaves at 5: 30AM. Plan your trip with the Journey Planner   from Omio.

The latest flight from Washington, DC to San José leaves at 10: 10PM.

The cheapest month to travel from Washington, DC to San José by plane is January.

Yes, you can take a bus to San José from Washington, DC.

Since neither Washington, DC nor San José are in the Schengen Area, passport requirements depend on the specific immigration rules of USA and Costa Rica. Entry and visa requirements can be subject to change. For the latest information, check with your destination's embassy or consulate.

There is a time difference of 1 h in winter and 2 h in summer between Washington, DC and San José.

The best events to attend in San José include:

• Fiesta de la Luz, a vibrant festival of lights featuring artistic displays and performances throughout the city
• Día de los Muertos, a colorful celebration honoring deceased loved ones with altars, music, and traditional food
• Festival Internacional de las Artes, an annual arts festival showcasing local and international artists through music, dance, and visual arts.

The best holidays to experience in San José include:

• Holy Week, vibrant religious celebrations and processions throughout the city
• Independence Day, lively parades and cultural festivities showcasing Costa Rican heritage
• Labor Day, a public holiday with various local events and a festive atmosphere.

The best seasons to visit San José are Dry season or December to April. The best weather to explore San José is during December-April or August-September.

For international flights we recommend to arrive 2.5 to 3 hours before departure. Please check the website of your departure airport if in doubt. Some airports may offer booking time slots for security checks or offer additional information on when to get there based on time of day.

Most airlines permit carry-on bags that fit within specific dimensions (e. G. 22 x 14 x 9 inches or 56 x 36 x 23 cm), including handles and wheels. Bags must fit in the overhead bin or under the seat in front of you.

Many airlines impose weight limits, commonly ranging between 7 kg (15 lbs) and 12 kg (26 lbs).
Typically, passengers are allowed one carry-on bag and one personal item (for example a purse, laptop bag, or backpack). Personal items must fit under the seat in front of you.
Budget Airlines (like Ryanair or Wizz Air) have stricter size and weight limits, often requiring fees for larger carry-ons. Full-Service Airlines have more lenient policies, sometimes including more spacious dimensions or higher weight limits depending on your ticket class.

The list of items prohibited on an airplane varies by country and airline, but in general, the following items are not allowed in carry-on or checked baggage: Weapons and self-defence items, sharp objects, flammable materials, explosives, toxic substances, or liquids over 100ml (except for medications and baby essentials). In checked baggage, firearms (without authorization), explosives, large lithium batteries, and hazardous chemicals are prohibited. Electronic cigarettes must be in carry-on bags, while alcohol and dry ice have restrictions. Always check with your airline for specific regulations.