Flights St Louis → Budapest
As of November 2026, economy flights from St Louis to Budapest have a typical range USD 756–1572, median USD 900. Full range across all 497 offers: USD 739–2849. We analyzed 497 offers from 15 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: St Louis → Budapest
Based on 497 offers · November 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: St Louis → Budapest
Add-on pricing from the cheapest available offer per airline · November 2026 · USD
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| United | Included | USD 35 | — |
| British Airways | Included | USD 65 | — |
| American Airlines | Included | USD 35 | — |
| Air Canada | Included | USD 30 | — |
| Lufthansa | — | — | — |
| Iberia | Included | USD 30 | — |
| Delta | Included | USD 35 | — |
| KLM | Included | — | — |
| Finnair | Included | USD 30 | — |
| Austrian Airlines | Included | USD 35 | — |
| Condor | 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 St Louis to Budapest cost?
Based on 497 offers · November 2026
St Louis to Budapest flights ranged from USD 739 to USD 2849 across 497 offers analyzed in November 2026. The chart below shows how prices distributed across all 497 offers.
These 497 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 767 and USD 1208
What hidden fees do St Louis to Budapest flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on St Louis to Budapest routes. The breakdown below is based on 497 offers analyzed in November 2026.
| Carrier | Avg fee (USD) | % of base fare |
|---|---|---|
| UA | 75 | 6% |
| BA | 77 | 7% |
| AA | 45 | 4% |
| AC | 64 | 7% |
| LH | 42 | 4% |
| IB | 39 | 4% |
| DL | 47 | 5% |
| KL | 12 | 1% |
| AY | 40 | 4% |
| OS | 42 | 3% |
| DE | 45 | 2% |
United Airlines: base ~USD 789 + fees USD 75 = ~USD 864 total. KLM: base ~USD 973 + fees USD 12 = ~USD 985 total.
United Airlines's USD 75 ancillary fees narrow the gap with KLM's lower-fee model — the USD 184 base difference shrinks to USD 121 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 St Louis to Budapest?
15 airlines flew St Louis to Budapest 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) |
|---|---|---|---|---|
 British Airways | 1 | — | 754 | n/a |
 Delta Air Lines | 71 | 756–1683 | 763 | 47 (6%) |
 Air Canada | 6 | 744–872 | 779 | n/a |
 Lufthansa | 1 | — | 780 | n/a |
 American | 2 | 821–833 | 827 | n/a |
 Iberia | 9 | 764–1232 | 834 | 39 (5%) |
 Air Canada | 86 | 753–1262 | 844 | 64 (8%) |
 United Airlines | 77 | 753–2033 | 864 | 75 (9%) |
 KLM | 16 | 767–1208 | 985 | 12 (1%) |
 Lufthansa | 38 | 779–2014 | 1021 | 42 (4%) |
 Finnair | 8 | 803–1433 | 1059 | 40 (4%) |
 American Airlines | 86 | 760–1527 | 1132 | 45 (4%) |
 British Airways | 82 | 759–1544 | 1136 | 77 (7%) |
 Austrian | 12 | 886–1760 | 1329 | 42 (3%) |
 Condor | 2 | 1266–2366 | 1816 | 45 (2%) |
Where do the best St Louis → Budapest 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: St Louis to Budapest flights
- St Louis–Budapest had 497 offers analyzed. Median price: USD 900.
- BA charges 6.4x more in ancillary fees than KL — USD 77 vs USD 12 avg per booking.
- The same route priced USD 163 apart depending on where it was booked — the lowest median was USD 773. 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 St Louis to Budapest cost?
- Based on 497 offers analyzed, St Louis to Budapest flights range from USD 739 to USD 2849, with a median price of USD 900. Search for your specific dates →
- What hidden fees should I expect on St Louis to Budapest flights?
- On average, ancillary fees (bags, seat selection) add USD 57 to the base fare on St Louis to Budapest flights. See itemized fees for your itinerary →
- Which airline is cheapest on St Louis to Budapest including all fees?
- British Airways has the lowest median fare on St Louis to Budapest at USD 754 (median across 1 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest St Louis–Budapest 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 773. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on St Louis to Budapest routes?
- St Louis to Budapest has 15 airlines competing, creating a price range from USD 739 to USD 2849 across 497 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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