Flights St Louis → Copenhagen
As of November 2026, economy flights from St Louis to Copenhagen have a typical range USD 802–1080, median USD 813. Full range across all 466 offers: USD 784–9001. We analyzed 466 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 → Copenhagen
Based on 466 offers · November 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: St Louis → Copenhagen
Add-on pricing from the cheapest available offer per airline · November 2026 · USD
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| Scandinavian Airlines | Included | USD 30 | — |
| Air Canada | Included | USD 30 | — |
| British Airways | — | USD 65 | — |
| American Airlines | Included | USD 35 | — |
| Delta | Included | USD 35 | — |
| United Airlines | Included | USD 35 | — |
| Air France | Included | USD 35 | — |
| KLM | Included | USD 35 | — |
| Finnair | Included | USD 30 | — |
| Southwest | Included | Included | — |
| Iberia | Included | — | — |
| Lufthansa | Included | USD 35 | — |
| Austrian Airlines | Included | USD 35 | — |
| WestJet | Included | USD 150 | — |
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 Copenhagen cost?
Based on 466 offers · November 2026
St Louis to Copenhagen flights ranged from USD 784 to USD 9001 across 466 offers analyzed in November 2026. The chart below shows how prices distributed across all 466 offers.
These 466 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 807 and USD 880
What hidden fees do St Louis to Copenhagen flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on St Louis to Copenhagen routes. The breakdown below is based on 466 offers analyzed in November 2026.
| Carrier | Avg fee (USD) | % of base fare |
|---|---|---|
| SK | 40 | 5% |
| AC | 41 | 4% |
| BA | 74 | 8% |
| AA | 44 | 5% |
| DL | 45 | 6% |
| UA | 71 | 8% |
| AF | 58 | 6% |
| KL | 58 | 6% |
| AY | 39 | 4% |
| WN | 0 | 0% |
| IB | 12 | 1% |
| LH | 45 | 4% |
| OS | 45 | 2% |
| WS | 162 | 6% |
British Airways: base ~USD 762 + fees USD 74 = ~USD 836 total. Iberia: base ~USD 999 + fees USD 12 = ~USD 1011 total.
British Airways's USD 74 ancillary fees narrow the gap with Iberia's lower-fee model — the USD 237 base difference shrinks to USD 175 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 Copenhagen?
16 airlines flew St Louis to Copenhagen 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 (American Airlines), fares ranged USD 798–807 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) |
|---|---|---|---|---|
 American Airlines | 37 | 798–807 | 803 | 44 (5%) |
 Air France | 13 | 802–1249 | 809 | 58 (7%) |
 Delta Air Lines | 52 | 809–813 | 810 | 45 (6%) |
 Delta | 25 | 810–813 | 810 | n/a |
 KLM | 47 | 805–1252 | 813 | 58 (7%) |
 British Airways | 6 | 802–903 | 816 | n/a |
 United Airlines | 71 | 806–1079 | 822 | 71 (9%) |
 British Airways | 106 | 799–961 | 836 | 74 (9%) |
 Air Canada | 53 | 802–1083 | 840 | 41 (5%) |
 SAS | 2 | 798–907 | 852 | 40 (5%) |
 Finnair | 41 | 822–986 | 880 | 39 (4%) |
 Iberia | 1 | — | 1011 | 12 (1%) |
 Southwest Airlines | 9 | 1091–1185 | 1133 | 0 (0%) |
 Lufthansa | 1 | — | 1282 | 45 (4%) |
 Austrian | 1 | — | 2010 | 45 (2%) |
 WestJet | 1 | — | 2710 | 162 (6%) |
Where do the best St Louis → Copenhagen 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 Copenhagen flights
- Full-service carriers on St Louis–Copenhagen cost 0.5x more than budget airlines (USD 957 vs USD 1922 median; overall median USD 813).
- WS charges 13.5x more in ancillary fees than IB — USD 162 vs USD 12 avg per booking.
- The same route priced USD 35 apart depending on where it was booked — the lowest median was USD 803. 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 Copenhagen cost?
- Based on 466 offers analyzed, St Louis to Copenhagen flights range from USD 784 to USD 9001, with a median price of USD 813. Search for your specific dates →
- What hidden fees should I expect on St Louis to Copenhagen flights?
- On average, ancillary fees (bags, seat selection) add USD 56 to the base fare on St Louis to Copenhagen flights. See itemized fees for your itinerary →
- Which airline is cheapest on St Louis to Copenhagen including all fees?
- American Airlines has the lowest median fare on St Louis to Copenhagen at USD 803 (median across 37 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest St Louis–Copenhagen 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 803. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on St Louis to Copenhagen routes?
- St Louis to Copenhagen has 16 airlines competing, creating a price range from USD 784 to USD 9001 across 466 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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