Flights Newark → San Diego
As of October 2026, economy flights from Newark to San Diego have a typical range USD 467–2964, median USD 477. Full range across all 60 offers: USD 424–4214. We found 7% of 60 offers from budget carriers (around USD 468) and 93% from full-service carriers (around USD 477).
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: Newark → San Diego
Based on 60 offers · October 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: Newark → San Diego
Add-on pricing from the cheapest available offer per airline · October 2026 · USD
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| United Airlines | — | USD 80 | — |
| United | — | USD 100 | — |
| Alaska Airlines | Included | USD 35 | — |
| Alaska | — | USD 90 | — |
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 Newark to San Diego cost?
Based on 60 offers · October 2026
Newark to San Diego flights ranged from USD 424 to USD 4214 across 60 offers analyzed in October 2026. Two fare clusters detected: budget fares around 614 and premium fares around 2509 The chart below shows how prices distributed across all 60 offers.
These 60 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 467 and USD 933
What hidden fees do Newark to San Diego flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Newark to San Diego routes. The breakdown below is based on 60 offers analyzed in October 2026.
| Carrier | Avg fee (USD) | % of base fare |
|---|---|---|
| UA | 51 | 3% |
| United | 100 | 19% |
| AS | 33 | 6% |
| Alaska | 90 | 8% |
United: base ~USD 377 + fees USD 100 = ~USD 477 total. United Airlines: base ~USD 741 + fees USD 51 = ~USD 792 total.
United's USD 100 ancillary fees narrow the gap with United Airlines's lower-fee model — the USD 364 base difference shrinks to USD 315 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.United charges 3.0x more in ancillary fees than AS on this route. Compare total-cost options when booking.
Run your search to see itemized fees for your itineraryWhich airline is cheapest from Newark to San Diego?
5 airlines flew Newark to San Diego in this dataset. The route shows a clear split between low-cost and full-service carriers. 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.
| Airline | Offers | Typical range (USD) | Median (USD) | Fees (USD) |
|---|---|---|---|---|
 AS|F9 | 1 | — | 424 | n/a |
 Alaska Airlines | 3 | 468–626 | 468 | 33 (7%) |
 United | 28 | 467–624 | 477 | 100 (21%) |
 United Airlines | 27 | 467–3700 | 792 | 51 (6%) |
 Alaska | 1 | — | 1107 | 90 (8%) |
Where do the best Newark → San Diego prices come from?
We checked direct airlines, travel agencies, and meta-search for this route. On this route the lowest median came from meta-search 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: Newark to San Diego flights
- Newark–San Diego had 60 offers analyzed. Median price: USD 477.
- United charges 3.0x more in ancillary fees than AS — USD 100 vs USD 33 avg per booking.
- The same route priced USD 2694 apart depending on where it was booked — the lowest median was USD 424. 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 Newark to San Diego cost?
- Based on 60 offers analyzed, Newark to San Diego flights range from USD 424 to USD 4214, with a median price of USD 477. Search for your specific dates →
- What hidden fees should I expect on Newark to San Diego flights?
- On average, ancillary fees (bags, seat selection) add USD 74 to the base fare on Newark to San Diego flights. See itemized fees for your itinerary →
- Which airline is cheapest on Newark to San Diego including all fees?
- AS|F9 has the lowest median fare on Newark to San Diego at USD 424 (median across 1 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest Newark–San Diego 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 424. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on Newark to San Diego routes?
- Newark to San Diego has 5 airlines competing, creating a price range from USD 424 to USD 4214 across 60 offers. There are two distinct fare clusters on this route: budget options and premium fares. Find where your trip lands in the distribution →
5 airlines, two price clusters — find which fits your budget
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