Flights Portland → San Juan
As of October 2026, economy flights from Portland to San Juan have a typical range USD 566–923, median USD 566. Full range across all 229 offers: USD 566–1465. We analyzed 229 offers from 7 airlines in a single price check.
Preview snapshot — prices change. Search for live results.
Data collected by LetsFG's multi-source price checks — every airline and the major booking sites checked for this route. How we collect data →
Best offers by airline: Portland → San Juan
Based on 229 offers · October 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: Portland → San Juan
Add-on pricing from the cheapest available offer per airline · October 2026 · USD
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| United | Included | USD 35 | — |
| United | — | USD 100 | — |
| Delta | Included | USD 90 | — |
| American Airlines | Included | USD 110 | — |
| American | — | USD 110 | — |
| Southwest | Included | USD 90 | — |
| Alaska Airlines | Included | USD 110 | — |
Fees are estimates from the prices we checked and may not reflect your specific itinerary, booking class, or payment method. Run a live search for exact pricing.
How much do flights from Portland to San Juan cost?
Based on 229 offers · October 2026
Portland to San Juan flights ranged from USD 566 to USD 1465 across 229 offers analyzed in October 2026. The chart below shows how prices distributed across all 229 offers.
These 229 offers (October 2026) span multiple departure dates and booking windows — your travel dates may fall anywhere in this distribution. Only a live search shows where your specific trip lands.
50% of offers priced between USD 566 and USD 666
What hidden fees do Portland to San Juan flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Portland to San Juan routes. The breakdown below is based on 229 offers analyzed in October 2026.
| Carrier | Avg fee (USD) | % of base fare |
|---|---|---|
| UA | 46 | 7% |
| United | 100 | 18% |
| DL | 53 | 7% |
| AA | 63 | 10% |
| American | 110 | 19% |
| WN | 90 | 10% |
| AS | 120 | 14% |
American: base ~USD 456 + fees USD 110 = ~USD 566 total. United Airlines: base ~USD 520 + fees USD 46 = ~USD 566 total.
American's USD 110 ancillary fees narrow the gap with United Airlines's lower-fee model — the USD 64 base difference shrinks to USD 0 after fees. Always compare total cost, not just the advertised base fare.
Estimates based on median total minus average ancillary fee. Actual base fares vary by itinerary.AS charges 2.6x more in ancillary fees than UA on this route. Compare total-cost options when booking.
Run your search to see itemized fees for your itineraryWhich airline is cheapest from Portland to San Juan?
7 airlines flew Portland to San Juan in this dataset. Knowing the airline isn't enough — the typical fare range below shows how far prices swing on each one. Median and range include all fees we recorded.
Even on the cheapest airline (United Airlines), fares ranged USD 566–680 in this snapshot. Your exact price depends on your dates and how far ahead you book — run a live search to see your number →
| Airline | Offers | Typical range (USD) | Median (USD) | Fees (USD) |
|---|---|---|---|---|
 United Airlines | 87 | 566–680 | 566 | 46 (8%) |
 United | 1 | — | 566 | 100 (18%) |
 American Airlines | 89 | 566–640 | 566 | 63 (11%) |
 American | 1 | — | 566 | 110 (19%) |
 Delta Air Lines | 29 | 566–951 | 776 | 53 (7%) |
 Alaska Airlines | 3 | 826–923 | 923 | 120 (13%) |
 Southwest Airlines | 19 | 750–1015 | 949 | 90 (9%) |
Where do the best Portland → San Juan prices come from?
We checked direct airlines, travel agencies, and meta-search for this route. On this route the lowest median came from travel agency sources, but the cheapest channel shifts by route and date — which is exactly why a live search across all of them wins.
We compare every airline and the major booking sites but never disclose which — that's our edge. Prices are the ones we observed and aren't official data from any platform. Run a live search and we bring you the cheapest, wherever it is.
Key facts: Portland to San Juan flights
- Full-service carriers on Portland–San Juan cost 0.7x more than budget airlines (USD 661 vs USD 949 median; overall median USD 566).
- AS charges 2.6x more in ancillary fees than UA — USD 120 vs USD 46 avg per booking.
- The same route priced USD 311 apart depending on where it was booked — the lowest median was USD 566. We search every airline and the major booking sites at once so you always see that lowest price.
Frequently asked questions
- How much does a flight from Portland to San Juan cost?
- Based on 229 offers analyzed, Portland to San Juan flights range from USD 566 to USD 1465, with a median price of USD 566. Search for your specific dates →
- What hidden fees should I expect on Portland to San Juan flights?
- On average, ancillary fees (bags, seat selection) add USD 58 to the base fare on Portland to San Juan flights. See itemized fees for your itinerary →
- Which airline is cheapest on Portland to San Juan including all fees?
- United Airlines has the lowest median fare on Portland to San Juan at USD 566 (median across 87 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest Portland–San Juan flights?
- It depends on your dates — no single site is always cheapest. We search every airline and the major booking sites at once (travel agencies and meta-search included) and surface whichever is lowest; the best median in this snapshot was USD 566. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on Portland to San Juan routes?
- Portland to San Juan has 7 airlines competing, creating a price range from USD 566 to USD 1465 across 229 offers. Prices on this route change with booking timing, advance purchase, and ancillary add-ons. Find where your trip lands in the distribution →
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