Live signal for EWR to SJU · Updated September 10, 2026
Flights from Newark to San Juan
A current purchasable fare is not published for Newark (EWR) to San Juan (SJU). Dated observations describe historical checks, not a ticket available to buy now.
What have fares historically cost? — Newark (EWR) to San Juan (SJU)
Historical prices in USD for Newark (EWR) to San Juan (SJU) (round-trip) ranged from $247 to $625 across 353 accepted price checks from 2026-06-13 through 2026-09-10, inclusive; source: SERPRadio verified price observations; these are historical observations, not fares available to buy now. The latest accepted price check for Newark (EWR) to San Juan (SJU) was observed on 2026-09-10, based on 1 accepted observation from 2026-09-10 through 2026-09-10; source: SERPRadio verified price observations.
Observed prices by departure day — Newark (EWR) to San Juan (SJU)
For Newark (EWR) to San Juan (SJU), historical round-trip USD median prices by departure weekday were Monday $350.5 (48 checks); Tuesday $347 (57 checks); Wednesday $324 (41 checks); Thursday $381 (62 checks); Friday $364 (55 checks); Saturday $317 (54 checks); Sunday $352.5 (36 checks), from 353 accepted price checks observed from 2026-06-13 through 2026-09-10; source: SERPRadio verified price observations. Comparisons describe only qualifying captured departure-day cells, not a recommendation for all flights.
Observed prices by departure month — Newark (EWR) to San Juan (SJU)
For Newark (EWR) to San Juan (SJU), historical round-trip USD median prices by departure month were 2026-07 $383 (55 checks); 2026-08 $351 (130 checks); 2026-09 $320.5 (114 checks); 2026-10 $364 (54 checks), from 353 accepted price checks observed from 2026-06-13 through 2026-09-10; source: SERPRadio verified price observations. Named-month comparisons do not establish annual seasonality.
How reliable were these flights? — Newark (EWR) to San Juan (SJU)
Across 1413 Newark (EWR) to San Juan (SJU) flights reported from 2025-09-01 through 2026-04-30, 73.1% of departures were on time; source: U.S. Department of Transportation. Across 1413 Newark (EWR) to San Juan (SJU) flights reported from 2025-09-01 through 2026-04-30, 3.3% were canceled; source: U.S. Department of Transportation.
Which departure days were most reliable? — Newark (EWR) to San Juan (SJU)
For Newark (EWR) to San Juan (SJU), Wednesday and Tuesday were the most reliable departure days among the qualifying weekday groups across 1413 flights reported from 2025-09-01 through 2026-04-30; source: U.S. Department of Transportation. For Newark (EWR) to San Juan (SJU), Monday and Sunday were the least reliable departure days among the qualifying weekday groups across 1413 flights reported from 2025-09-01 through 2026-04-30; source: U.S. Department of Transportation.
On-time performance put United Airlines at 73.1% and JetBlue Airways at 74.4%, across 1,413 flights in 8 months of U.S. Department of Transportation reporting from September 2025 through April 2026.
Frontier Airlines and Spirit Airlines served this route during part of U.S. Department of Transportation reporting from September 2025 through April 2026; their on-time rates were 75% and 66.7%, respectively.
Traveler questions — Newark (EWR) to San Juan (SJU)
What prices were observed for Newark (EWR) to San Juan (SJU)?
Historical prices in USD for Newark (EWR) to San Juan (SJU) (round-trip) ranged from $247 to $625 across 353 accepted price checks from 2026-06-13 through 2026-09-10, inclusive; source: SERPRadio verified price observations; these are historical observations, not fares available to buy now.
When was the latest verified price check for Newark (EWR) to San Juan (SJU)?
The latest accepted price check for Newark (EWR) to San Juan (SJU) was observed on 2026-09-10, based on 1 accepted observation from 2026-09-10 through 2026-09-10; source: SERPRadio verified price observations.
How did observed prices differ by departure day for Newark (EWR) to San Juan (SJU)?
For Newark (EWR) to San Juan (SJU), historical round-trip USD median prices by departure weekday were Monday $350.5 (48 checks); Tuesday $347 (57 checks); Wednesday $324 (41 checks); Thursday $381 (62 checks); Friday $364 (55 checks); Saturday $317 (54 checks); Sunday $352.5 (36 checks), from 353 accepted price checks observed from 2026-06-13 through 2026-09-10; source: SERPRadio verified price observations. Comparisons describe only qualifying captured departure-day cells, not a recommendation for all flights.
How did observed prices differ by departure month for Newark (EWR) to San Juan (SJU)?
For Newark (EWR) to San Juan (SJU), historical round-trip USD median prices by departure month were 2026-07 $383 (55 checks); 2026-08 $351 (130 checks); 2026-09 $320.5 (114 checks); 2026-10 $364 (54 checks), from 353 accepted price checks observed from 2026-06-13 through 2026-09-10; source: SERPRadio verified price observations. Named-month comparisons do not establish annual seasonality.
What operational reliability is supported for Newark (EWR) to San Juan (SJU)?
Across 1413 Newark (EWR) to San Juan (SJU) flights reported from 2025-09-01 through 2026-04-30, 73.1% of departures were on time; source: U.S. Department of Transportation.
Which departure days were most reliable for Newark (EWR) to San Juan (SJU)?
For Newark (EWR) to San Juan (SJU), Wednesday and Tuesday were the most reliable departure days among the qualifying weekday groups across 1413 flights reported from 2025-09-01 through 2026-04-30; source: U.S. Department of Transportation.
Which departure days were least reliable for Newark (EWR) to San Juan (SJU)?
For Newark (EWR) to San Juan (SJU), Monday and Sunday were the least reliable departure days among the qualifying weekday groups across 1413 flights reported from 2025-09-01 through 2026-04-30; source: U.S. Department of Transportation.
What cancellation rate was observed for Newark (EWR) to San Juan (SJU)?
Across 1413 Newark (EWR) to San Juan (SJU) flights reported from 2025-09-01 through 2026-04-30, 3.3% were canceled; source: U.S. Department of Transportation.
What is not claimed — Newark (EWR) to San Juan (SJU)
Some guidance for Newark (EWR) to San Juan (SJU) is not available because its evidence dates or support have not been verified.
Sources and methodology — Newark (EWR) to San Juan (SJU)
- SERPRadio verified price observations; 2026-06-13–2026-09-10; 353 price checks.
- SERPRadio verified price observations; 2026-09-10–2026-09-10; 1 price checks.
- U.S. Department of Transportation; 2025-09-01–2026-04-30; 1413 flights.
- U.S. Department of Transportation; 2025-09-01–2026-04-30; 1413 flights.
- U.S. Department of Transportation; 2025-09-01–2026-04-30; 1413 flights.
- U.S. Department of Transportation; 2025-09-01–2026-04-30; 1413 flights.
- SERPRadio verified price observations; 2026-06-13–2026-09-10; 353 price checks.
- SERPRadio verified price observations; 2026-06-13–2026-09-10; 353 price checks.
Who: SERP Radio route dossier system
How: Route pages combine accepted fare observations, timing guidance, carrier mix, and route-level context from current NYC corridor feeds.
Why: This page exists to explain current fare behavior on one route and point to the next timing or airport surface when needed.
Limits: If route coverage is thin, the page falls back to limited route guidance instead of publishing weak pricing claims.
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