Flights St Louis → Paris (Roissy-en-France, Val-d'Oise)
As of November 2026, economy flights from St Louis to Paris (Roissy-en-France, Val-d'Oise) have a typical range USD 813–886, median USD 827. Full range across all 488 offers: USD 780–9506. We analyzed 488 offers from 16 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 → Paris (Roissy-en-France, Val-d'Oise)
Based on 488 offers · November 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: St Louis → Paris (Roissy-en-France, Val-d'Oise)
Add-on pricing from the cheapest available offer per airline · November 2026 · USD
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| Air Canada | Included | USD 30 | — |
| United | Included | USD 35 | — |
| Delta | Included | USD 35 | — |
| British Airways | Included | USD 65 | — |
| Iberia | Included | USD 30 | — |
| Lufthansa | Included | USD 35 | — |
| Air France | Included | USD 35 | — |
| KLM | Included | USD 35 | — |
| American Airlines | Included | USD 35 | — |
| Virgin Atlantic | Included | Included | — |
| Finnair | Included | — | — |
| Brussels Airlines | 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 Paris (Roissy-en-France, Val-d'Oise) cost?
Based on 488 offers · November 2026
St Louis to Paris (Roissy-en-France, Val-d'Oise) flights ranged from USD 780 to USD 9506 across 488 offers analyzed in November 2026. The chart below shows how prices distributed across all 488 offers.
These 488 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 815 and USD 831
What hidden fees do St Louis to Paris (Roissy-en-France, Val-d'Oise) flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on St Louis to Paris (Roissy-en-France, Val-d'Oise) routes. The breakdown below is based on 488 offers analyzed in November 2026.
| Carrier | Avg fee (USD) | % of base fare |
|---|---|---|
| AC | 57 | 6% |
| UA | 67 | 8% |
| DL | 46 | 6% |
| BA | 42 | 5% |
| IB | 36 | 4% |
| LH | 62 | 7% |
| AF | 36 | 4% |
| KL | 48 | 6% |
| AA | 45 | 5% |
| VS | 25 | 3% |
| AY | 10 | 1% |
| SN | 45 | 3% |
United Airlines: base ~USD 767 + fees USD 67 = ~USD 834 total. Finnair: base ~USD 1087 + fees USD 10 = ~USD 1097 total.
United Airlines's USD 67 ancillary fees narrow the gap with Finnair's lower-fee model — the USD 320 base difference shrinks to USD 263 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 Paris (Roissy-en-France, Val-d'Oise)?
16 airlines flew St Louis to Paris (Roissy-en-France, Val-d'Oise) 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 (United), fares ranged USD 802–814 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) |
|---|---|---|---|---|
 United | 7 | 802–814 | 805 | n/a |
 Delta Air Lines | 123 | 813–819 | 815 | 46 (6%) |
 British Airways | 12 | 817–823 | 820 | 42 (5%) |
 Iberia | 20 | 821–827 | 822 | 36 (4%) |
 Air Canada | 66 | 793–901 | 825 | 57 (7%) |
 Air Canada | 13 | 802–826 | 825 | n/a |
 KLM | 51 | — | 827 | 48 (6%) |
 Air France | 58 | 827–1268 | 827 | 36 (4%) |
 Delta | 11 | — | 828 | n/a |
 American Airlines | 56 | 827–897 | 829 | 45 (5%) |
 Virgin Atlantic | 31 | 832–849 | 832 | 25 (3%) |
 United Airlines | 21 | 802–886 | 834 | 67 (8%) |
 British Airways | 6 | 827–837 | 837 | n/a |
 Lufthansa | 11 | 826–886 | 873 | 62 (7%) |
 Finnair | 1 | — | 1097 | 10 (1%) |
 Brussels Airlines | 1 | — | 1298 | 45 (3%) |
Where do the best St Louis → Paris (Roissy-en-France, Val-d'Oise) 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 Paris (Roissy-en-France, Val-d'Oise) flights
- St Louis–Paris (Roissy-en-France, Val-d'Oise) had 488 offers analyzed. Median price: USD 827.
- UA charges 6.7x more in ancillary fees than AY — USD 67 vs USD 10 avg per booking.
- The same route priced USD 448 apart depending on where it was booked — the lowest median was USD 820. 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 Paris (Roissy-en-France, Val-d'Oise) cost?
- Based on 488 offers analyzed, St Louis to Paris (Roissy-en-France, Val-d'Oise) flights range from USD 780 to USD 9506, with a median price of USD 827. Search for your specific dates →
- What hidden fees should I expect on St Louis to Paris (Roissy-en-France, Val-d'Oise) flights?
- On average, ancillary fees (bags, seat selection) add USD 46 to the base fare on St Louis to Paris (Roissy-en-France, Val-d'Oise) flights. See itemized fees for your itinerary →
- Which airline is cheapest on St Louis to Paris (Roissy-en-France, Val-d'Oise) including all fees?
- United has the lowest median fare on St Louis to Paris (Roissy-en-France, Val-d'Oise) at USD 805 (median across 7 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest St Louis–Paris (Roissy-en-France, Val-d'Oise) 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 820. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on St Louis to Paris (Roissy-en-France, Val-d'Oise) routes?
- St Louis to Paris (Roissy-en-France, Val-d'Oise) has 16 airlines competing, creating a price range from USD 780 to USD 9506 across 488 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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