Flights Kansas City → San Francisco
As of November 2026, economy flights from Kansas City to San Francisco have a typical range USD 392–1439, median USD 575. Full range across all 147 offers: USD 148–2690. We analyzed 147 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: Kansas City → San Francisco
Based on 147 offers · November 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: Kansas City → San Francisco
Add-on pricing from the cheapest available offer per airline · November 2026 · USD
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| Frontier Airlines | — | — | — |
| United | Included | USD 35 | — |
| Southwest Airlines | Included | Included | — |
| American Airlines | Included | USD 35 | — |
| Delta | Included | USD 35 | — |
| Alaska Airlines | Included | — | — |
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 Kansas City to San Francisco cost?
Based on 147 offers · November 2026
Kansas City to San Francisco flights ranged from USD 148 to USD 2690 across 147 offers analyzed in November 2026. The chart below shows how prices distributed across all 147 offers.
These 147 offers (November 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 499 and USD 828
What hidden fees do Kansas City to San Francisco flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Kansas City to San Francisco routes. The breakdown below is based on 147 offers analyzed in November 2026.
| Carrier | Avg fee (USD) | % of base fare |
|---|---|---|
| F9 | 10 | 3% |
| UA | 45 | 6% |
| WN | 0 | 0% |
| AA | 45 | 7% |
| DL | 32 | 2% |
| AS | 31 | 3% |
United Airlines: base ~USD 569 + fees USD 45 = ~USD 614 total. Alaska Airlines: base ~USD 786 + fees USD 31 = ~USD 817 total.
United Airlines's USD 45 ancillary fees narrow the gap with Alaska Airlines's lower-fee model — the USD 217 base difference shrinks to USD 203 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.Fee levels vary significantly across carriers on this route — some carriers charge 50%+ above the base fare in ancillary fees.
Run your search to see itemized fees for your itineraryWhich airline is cheapest from Kansas City to San Francisco?
7 airlines flew Kansas City to San Francisco 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.
| Airline | Offers | Typical range (USD) | Median (USD) | Fees (USD) |
|---|---|---|---|---|
 Frontier | 1 | — | 288 | n/a |
 Frontier Airlines | 3 | 193–423 | 369 | 10 (3%) |
 Southwest Airlines | 39 | 396–621 | 530 | 0 (0%) |
 American Airlines | 30 | 429–730 | 540 | 45 (8%) |
 United Airlines | 45 | 374–1228 | 614 | 45 (7%) |
 Alaska Airlines | 5 | 696–1813 | 817 | 31 (4%) |
 Delta Air Lines | 24 | 819–2490 | 1397 | 32 (2%) |
Where do the best Kansas City → San Francisco 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: Kansas City to San Francisco flights
- Full-service carriers on Kansas City–San Francisco cost 2.1x more than budget airlines (USD 842 vs USD 396 median; overall median USD 575).
- UA charges 4.5x more in ancillary fees than F9 — USD 45 vs USD 10 avg per booking.
- The same route priced USD 352 apart depending on where it was booked — the lowest median was USD 288. 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 Kansas City to San Francisco cost?
- Based on 147 offers analyzed, Kansas City to San Francisco flights range from USD 148 to USD 2690, with a median price of USD 575. Search for your specific dates →
- What hidden fees should I expect on Kansas City to San Francisco flights?
- On average, ancillary fees (bags, seat selection) add USD 30 to the base fare on Kansas City to San Francisco flights. See itemized fees for your itinerary →
- Which airline is cheapest on Kansas City to San Francisco including all fees?
- Frontier has the lowest median fare on Kansas City to San Francisco at USD 288 (median across 1 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest Kansas City–San Francisco 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 288. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on Kansas City to San Francisco routes?
- Kansas City to San Francisco has 7 airlines competing, creating a price range from USD 148 to USD 2690 across 147 offers. Prices on this route change with booking timing, advance purchase, and ancillary add-ons. Find where your trip lands in the distribution →
7 airlines compete on this route — we check every one
Find flights for my datesNew route — be among the first to track this itinerary
Building with flight data? Power your app or agent with LetsFG
The same multi-source search behind this page — every airline and the major booking sites, deduplicated and ranked — is available to your app or AI agent. Natural-language or structured queries, live prices, zero price bias.
Try the free sandbox — no card →Free sandbox, instant fake results · email for a key · Bearer-token auth · MCP, Python & JS SDKs · letsfg.co/developers