Trip.com
>
Flights
>
Flights to United Kingdom
>
Puerto Rico to United Kingdom flight

Flying From Puerto Rico to United Kingdom: What You Need to Know

Cheapest one-way flight priceUS$297
Cheapest return ticket priceUS$884
Cheapest monthOctober
Peak season for travelJuly
Popular airlineFrontier Airlines

Compare multiple airlines at once to find the best flight deals from Puerto Rico to United Kingdom.

Airlines Flying From Puerto Rico to United Kingdom
Frontier Airlines logo Frontier Airlines

Looking for affordable flights from Puerto Rico to United Kingdom? Check out these great prices for the next 90 days, starting at just US$297 for a one-way ticket and US$884 for a round-trip.

      • Fri, Aug 7
        SJU
        LHR
        |
        San Juan
        London
        1 stop | Iberia
        Fri, Aug 14
        LGW
        SJU
        |
        London
        San Juan
        1 stop | Iberia
        US$884 US$2,266
        61% off
        61% off
        US$2,266 US$884
      • Sat, Jul 18
        BQN
        LHR
        |
        Aguadilla
        London
        1 stop | United Airlines
        Wed, Jul 22
        LHR
        BQN
        |
        London
        Aguadilla
        1 stop | United Airlines
        US$977 US$2,266
        56% off
        56% off
        US$2,266 US$977
      • Fri, Aug 21
        SJU
        EDI
        |
        San Juan
        Edinburgh
        1 stop | British Airways
        Fri, Aug 28
        EDI
        SJU
        |
        Edinburgh
        San Juan
        1 stop | British Airways
        US$984 US$2,266
        56% off
        56% off
        US$2,266 US$984
      • Thu, Aug 13
        SJU
        GLA
        |
        San Juan
        Glasgow
        1 stop | United Airlines
        Thu, Aug 20
        GLA
        SJU
        |
        Glasgow
        San Juan
        1 stop | United Airlines
        US$1,061
        53% off
        US$2,266 US$1,061
      • Sat, Jul 18
        SJU
        MAN
        |
        San Juan
        Manchester
        1 stop | Virgin Atlantic
        Sat, Jul 25
        MAN
        SJU
        |
        Manchester
        San Juan
        1 stop | Delta Air Lines
        US$1,402
        38% off
        US$2,266 US$1,402
      • Fri, Jul 17
        BQN
        EDI
        |
        Aguadilla
        Edinburgh
        1 stop | United Airlines
        Thu, Jul 23
        EDI
        BQN
        |
        Edinburgh
        Aguadilla
        1 stop | United Airlines
        US$1,722
        24% off
        US$2,266 US$1,722
      • Mon, Jul 13
        SJU
        LON
        |
        San Juan
        London
        1 stop | Normal Airline
        Wed, Jul 15
        LON
        SJU
        |
        London
        San Juan
        Nonstop | Normal Airline
        Find more flights
        Find more flights
      • Mon, Jul 20
        SJU
        LGW
        |
        San Juan
        London
        1 stop | Frontier Airlines
        US$297 US$570
        48% off
        48% off
        US$570 US$297
      • Sun, Aug 2
        SJU
        EDI
        |
        San Juan
        Edinburgh
        1 stop | United Airlines
        US$307 US$570
        46% off
        46% off
        US$570 US$307
      • Wed, Jul 29
        BQN
        LGW
        |
        Aguadilla
        London
        1 stop | Frontier Airlines
        US$378 US$570
        34% off
        34% off
        US$570 US$378
      • Mon, Jul 27
        SJU
        GLA
        |
        San Juan
        Glasgow
        1 stop | United Airlines
        US$429
        25% off
        US$570 US$429
      • Sat, Aug 22
        SJU
        MAN
        |
        San Juan
        Manchester
        1 stop | Finnair
        US$433
        24% off
        US$570 US$433
      • Mon, Jul 13
        SJU
        LON
        |
        San Juan
        London
        1 stop | Normal Airline
        Find more flights
        Find more flights

Displayed flight fares from Puerto Rico to United Kingdom are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

FAQs: Flights From Puerto Rico to United Kingdom

  • When is it the cheapest time to fly from Puerto Rico to United Kingdom?

    According to our flights calender over the next 90 days, the cheapest date is on 2026-07-17 for one-way flights.
  • The cheapest round-trip flight from Puerto Rico to United Kingdom is on the route from San Juan and London, with prices starting at US$822 for round trip between 2026-07-28 and 2026-08-04.
  • The cheapest airline flying to United Kingdom from Puerto Rico is Frontier Airlines serving route from San Juan to London.
  • Jetblue Airways are airlines that fly frequently from Puerto Rico to United Kingdom. The overall price will vary depending on your destination and travel dates.

Trending Searches