Flights San Francisco → Detroit
As of October 2026, economy flights from San Francisco to Detroit have a typical range USD 320–1149, median USD 534. Full range across all 186 offers: USD 215–2508. We analyzed 186 offers from 14 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: San Francisco → Detroit
Based on 186 offers · October 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: San Francisco → Detroit
Add-on pricing from the cheapest available offer per airline · October 2026 · USD
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| Frontier | — | — | — |
| JetBlue | — | USD 49 | — |
| Alaska Airlines | Included | USD 35 | — |
| American | — | USD 55 | — |
| Southwest | — | USD 45 | — |
| Southwest Airlines | — | USD 45 | — |
| American Airlines | — | USD 55 | — |
| JetBlue | — | USD 35 | — |
| United | — | USD 50 | — |
| Delta | — | USD 45 | — |
| Alaska | — | USD 45 | — |
| Delta | Included | USD 35 | — |
| United | — | USD 50 | — |
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 San Francisco to Detroit cost?
Based on 186 offers · October 2026
San Francisco to Detroit flights ranged from USD 215 to USD 2508 across 186 offers analyzed in October 2026. The chart below shows how prices distributed across all 186 offers.
These 186 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 348 and USD 544
What hidden fees do San Francisco to Detroit flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on San Francisco to Detroit routes. The breakdown below is based on 186 offers analyzed in October 2026.
| Carrier | Avg fee (USD) | % of base fare |
|---|---|---|
| F9 | 10 | 3% |
| JetBlue | 49 | 17% |
| AS | 45 | 8% |
| American | 55 | 16% |
| Southwest | 45 | 14% |
| WN | 8 | 2% |
| AA | 47 | 8% |
| B6 | 45 | 10% |
| United | 50 | 12% |
| Delta | 45 | 11% |
| Alaska | 45 | 11% |
| DL | 45 | 8% |
| UA | 46 | 4% |
American: base ~USD 253 + fees USD 55 = ~USD 308 total. Southwest Airlines: base ~USD 452 + fees USD 8 = ~USD 460 total.
American's USD 55 ancillary fees narrow the gap with Southwest Airlines's lower-fee model — the USD 199 base difference shrinks to USD 152 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.American charges 7.3x more in ancillary fees than WN on this route. Compare total-cost options when booking.
Run your search to see itemized fees for your itineraryWhich airline is cheapest from San Francisco to Detroit?
14 airlines flew San Francisco to Detroit 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 (Frontier), fares ranged USD 217–256 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) |
|---|---|---|---|---|
 Frontier | 5 | 217–256 | 231 | n/a |
 JetBlue | 1 | — | 283 | 49 (17%) |
 American | 7 | 308–409 | 308 | 55 (18%) |
 Frontier Airlines | 7 | 224–579 | 320 | 10 (3%) |
 Southwest | 16 | 318–365 | 320 | 45 (14%) |
 United | 1 | — | 409 | 50 (12%) |
 Delta | 9 | — | 409 | 45 (11%) |
 Alaska | 1 | — | 409 | 45 (11%) |
 B6 | 4 | 381–517 | 411 | 45 (11%) |
 Southwest Airlines | 18 | 324–486 | 460 | 8 (2%) |
 American Airlines | 36 | 348–649 | 534 | 47 (9%) |
 Delta Air Lines | 27 | 533–688 | 543 | 45 (8%) |
 United Airlines | 39 | 543–2020 | 544 | 46 (8%) |
 Alaska Airlines | 15 | 332–809 | 629 | 45 (7%) |
Where do the best San Francisco → Detroit 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: San Francisco to Detroit flights
- Full-service carriers on San Francisco–Detroit cost 1.4x more than budget airlines (USD 473 vs USD 338 median; overall median USD 534).
- American charges 7.3x more in ancillary fees than WN — USD 55 vs USD 8 avg per booking.
- The same route priced USD 224 apart depending on where it was booked — the lowest median was USD 320. 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 San Francisco to Detroit cost?
- Based on 186 offers analyzed, San Francisco to Detroit flights range from USD 215 to USD 2508, with a median price of USD 534. Search for your specific dates →
- What hidden fees should I expect on San Francisco to Detroit flights?
- On average, ancillary fees (bags, seat selection) add USD 41 to the base fare on San Francisco to Detroit flights. See itemized fees for your itinerary →
- Which airline is cheapest on San Francisco to Detroit including all fees?
- Frontier has the lowest median fare on San Francisco to Detroit at USD 231 (median across 5 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest San Francisco–Detroit 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 320. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on San Francisco to Detroit routes?
- San Francisco to Detroit has 14 airlines competing, creating a price range from USD 215 to USD 2508 across 186 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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