Cheap flights from San Juan, United States to Belfast, United Kingdom
Flights starting at $405. Choose between easyJet, Spirit Airlines, or Frontier Airlines to find the best price.
Make your travel wishlist, we'll do the rest
Hidden deals
Kiwi-Code uncovers prices airlines don't want you to see.
Effortless booking
Use our flexible filters to tailor your search.
Travel hacking
Look out for the travel hack star icon for even cheaper fares.
Tips to know when travelling to Belfast
Search by stops
- Nonstop
- Up to 1 stop
- Up to 2 stops
Search by carrier
Search by price
Search by departure date
Receive exclusive deals by email
By subscribing you agree to receive offers according to the conditions described in our Privacy Policy.
Travelers usually depart from Luis Muñoz Marín International, or Fernando Luis Ribas Dominicci when they travel from San Juan to Belfast. Book your trip to arrive at Belfast International, or George Best Belfast City. The most popular airlines for this route are easyJet, Spirit Airlines, Frontier Airlines, JetBlue Airways, and Aer Lingus. San Juan and Belfast have 401 direct flights per week. When you arrive at Belfast, consider visiting Bru Na Boinne Neolithic Site (County Meath, Ireland), Trinity College, Dublin, and Giant's Causeway.
Check-in for a flight from San Juan to Belfast
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
easyJet | EZY | U2 | No | Opens 720 days before flight Closes 2 hours before flight |
Spirit Airlines | NKS | NK | No | Opens 24 days before flight Closes 1 hours before flight |
Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
JetBlue Airways | JBU | B6 | No | Opens 24 days before flight Closes 2 hours before flight |
Aer Lingus | EIN | EI | No | Opens 48 days before flight Closes 5 hours before flight |
Weather in Belfast
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 6°C | 2°C |
February | 7°C | 3°C |
March | 8°C | 3°C |
April | 11°C | 4°C |
May | 13°C | 7°C |
June | 16°C | 10°C |
July | 17°C | 11°C |
August | 17°C | 11°C |
September | 15°C | 10°C |
October | 12°C | 8°C |
November | 9°C | 5°C |
December | 7°C | 3°C |
14 day forecast
Frequently asked questions
Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any A and any B in the world by plane, train, and bus. Find the cheapest routes and best deals for you, as well as the best dates on which to travel.
Explore alternative trips
Flights from San Juan
- Flights from San Juan to Orlando
- Flights from San Juan to Philadelphia
- Flights from San Juan to New York
- Flights from San Juan to Atlanta
- Flights from San Juan to Chicago
- Flights from San Juan to Denver
- Flights from San Juan to Raleigh
- Flights from San Juan to Saint Croix
- Flights from San Juan to Cincinnati
- Flights from San Juan to Fort Lauderdale
- Flights from San Juan to Santiago de los Caballeros
- Flights from San Juan to Washington, D.C.
- Flights from San Juan to Guadalajara
- Flights from San Juan to Charlotte
- Flights from San Juan to Minneapolis
- Flights from San Juan to Dallas
- Flights from San Juan to Cleveland
- Flights from San Juan to Madrid
- Flights from San Juan to Barcelona
- Flights from San Juan to Boston
Flights to Belfast
- Flights from London to Belfast
- Flights from New York to Belfast
- Flights from San Francisco to Belfast
- Flights from Tel Aviv to Belfast
- Flights from Boston to Belfast
- Flights from Denver to Belfast
- Flights from Los Angeles to Belfast
- Flights from Edinburgh to Belfast
- Flights from Frankfurt to Belfast
- Flights from Paris to Belfast
- Flights from Barcelona to Belfast
- Flights from Dublin to Belfast
- Flights from Miami to Belfast
- Flights from Budapest to Belfast
- Flights from Copenhagen to Belfast
- Flights from Amman to Belfast
- Flights from Madrid to Belfast
- Flights from Bucharest to Belfast
- Flights from Málaga to Belfast
- Flights from Prague to Belfast
Popular routes
- Flights from Bellingham to Sylhet
- Flights from Boise to Lusaka
- Flights from Rochester to Tbilisi
- Flights from San Francisco to Port Blair
- Flights from Dayton to San Andrés
- Flights from Roanoke to Casablanca
- Flights from Fresno to Reynosa
- Flights from Minneapolis to Quepos
- Flights from Denver to Las Vegas
- Flights from New York to Orlando
- Flights from Boston to Dalaman
- Flights from Hilo to Patna
- Flights from Austin to Las Vegas