Flights Indianapolis → Philadelphia
As of October 2026, economy flights from Indianapolis to Philadelphia have a typical range USD 518–816, median USD 702. Full range across all 199 offers: USD 371–1070. We analyzed 199 offers from 9 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: Indianapolis → Philadelphia
Based on 199 offers · October 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: Indianapolis → Philadelphia
Add-on pricing from the cheapest available offer per airline · October 2026 · USD
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| Frontier | — | — | — |
| American | — | USD 110 | — |
| Southwest Airlines | Included | Included | — |
| American Airlines | Included | USD 35 | — |
| jetBlue | Included | USD 35 | — |
| United | Included | USD 35 | — |
| Delta | Included | USD 35 | — |
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 Indianapolis to Philadelphia cost?
Based on 199 offers · October 2026
Indianapolis to Philadelphia flights ranged from USD 371 to USD 1070 across 199 offers analyzed in October 2026. The chart below shows how prices distributed across all 199 offers.
These 199 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 606 and USD 768
What hidden fees do Indianapolis to Philadelphia flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Indianapolis to Philadelphia routes. The breakdown below is based on 199 offers analyzed in October 2026.
| Carrier | Avg fee (USD) | % of base fare |
|---|---|---|
| F9 | 10 | 2% |
| American | 110 | 19% |
| WN | 17 | 3% |
| AA | 45 | 6% |
| B6 | 45 | 6% |
| UA | 45 | 6% |
| DL | 45 | 4% |
American: base ~USD 472 + fees USD 110 = ~USD 582 total. Southwest Airlines: base ~USD 659 + fees USD 17 = ~USD 676 total.
American's USD 110 ancillary fees narrow the gap with Southwest Airlines's lower-fee model — the USD 187 base difference shrinks to USD 94 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 Indianapolis to Philadelphia?
9 airlines flew Indianapolis to Philadelphia 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 | 3 | — | 427 | n/a |
 Frontier Airlines | 3 | 389–462 | 462 | 10 (2%) |
 Southwest | 3 | 394–552 | 486 | n/a |
 American | 8 | 417–666 | 582 | 110 (19%) |
 Southwest Airlines | 125 | 547–775 | 676 | 17 (3%) |
 B6 | 2 | — | 695 | 45 (6%) |
 American Airlines | 12 | 624–815 | 729 | 45 (6%) |
 United Airlines | 42 | 741–827 | 791 | 45 (6%) |
 Delta Air Lines | 1 | — | 1070 | 45 (4%) |
Where do the best Indianapolis → Philadelphia 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: Indianapolis to Philadelphia flights
- Full-service carriers on Indianapolis–Philadelphia cost 1.4x more than budget airlines (USD 793 vs USD 549 median; overall median USD 702).
- American charges 11.0x more in ancillary fees than F9 — USD 110 vs USD 10 avg per booking.
- The same route priced USD 246 apart depending on where it was booked — the lowest median was USD 521. 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 Indianapolis to Philadelphia cost?
- Based on 199 offers analyzed, Indianapolis to Philadelphia flights range from USD 371 to USD 1070, with a median price of USD 702. Search for your specific dates →
- What hidden fees should I expect on Indianapolis to Philadelphia flights?
- On average, ancillary fees (bags, seat selection) add USD 29 to the base fare on Indianapolis to Philadelphia flights. See itemized fees for your itinerary →
- Which airline is cheapest on Indianapolis to Philadelphia including all fees?
- Frontier has the lowest median fare on Indianapolis to Philadelphia at USD 427 (median across 3 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest Indianapolis–Philadelphia 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 521. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on Indianapolis to Philadelphia routes?
- Indianapolis to Philadelphia has 9 airlines competing, creating a price range from USD 371 to USD 1070 across 199 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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