Flights St Louis → Oslo (Gardermoen)
As of November 2026, economy flights from St Louis to Oslo (Gardermoen) have a typical range USD 1043–2077, median USD 1349. Full range across all 384 offers: USD 882–6618. We analyzed 384 offers from 12 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 → Oslo (Gardermoen)
Based on 384 offers · November 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: St Louis → Oslo (Gardermoen)
Add-on pricing from the cheapest available offer per airline · November 2026 · USD
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| Southwest | Included | Included | — |
| British Airways | Included | — | — |
| Delta | Included | USD 35 | — |
| Air France | Included | — | — |
| KLM | Included | — | — |
| United Airlines | Included | USD 150 | — |
| American Airlines | Included | — | — |
| Air Canada | Included | USD 30 | — |
| Iberia | Included | — | — |
| Lufthansa | Included | USD 35 | — |
| Turkish Airlines | Included | Included | — |
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 Oslo (Gardermoen) cost?
Based on 384 offers · November 2026
St Louis to Oslo (Gardermoen) flights ranged from USD 882 to USD 6618 across 384 offers analyzed in November 2026. The chart below shows how prices distributed across all 384 offers.
These 384 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 1070 and USD 1483
What hidden fees do St Louis to Oslo (Gardermoen) flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on St Louis to Oslo (Gardermoen) routes. The breakdown below is based on 384 offers analyzed in November 2026.
| Carrier | Avg fee (USD) | % of base fare |
|---|---|---|
| WN | 0 | 0% |
| BA | 64 | 4% |
| DL | 53 | 5% |
| AF | 57 | 4% |
| KL | 70 | 5% |
| UA | 68 | 5% |
| AA | 30 | 2% |
| AC | 57 | 2% |
| IB | 36 | 3% |
| LH | 45 | 3% |
| TK | 10 | 0% |
KLM: base ~USD 1330 + fees USD 70 = ~USD 1400 total. Turkish Airlines: base ~USD 3127 + fees USD 10 = ~USD 3137 total.
KLM's USD 70 ancillary fees narrow the gap with Turkish Airlines's lower-fee model — the USD 1797 base difference shrinks to USD 1737 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 Oslo (Gardermoen)?
12 airlines flew St Louis to Oslo (Gardermoen) 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 (Delta Air Lines), fares ranged USD 1039–1282 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) |
|---|---|---|---|---|
 Delta Air Lines | 51 | 1039–1282 | 1043 | 53 (5%) |
 Delta | 6 | 1044–1318 | 1050 | n/a |
 Southwest Airlines | 22 | 919–4662 | 1331 | 0 (0%) |
 British Airways | 96 | 1046–2264 | 1358 | 64 (5%) |
 United Airlines | 25 | 1061–1460 | 1359 | 68 (5%) |
 Lufthansa | 25 | 1348–2528 | 1364 | 45 (3%) |
 American Airlines | 23 | 1082–1466 | 1365 | 30 (2%) |
 Iberia | 14 | 1104–1458 | 1367 | 36 (3%) |
 Air Canada | 26 | 1138–3983 | 1377 | 57 (4%) |
 Air France | 16 | 1039–1483 | 1396 | 57 (4%) |
 KLM | 76 | 1043–1490 | 1400 | 70 (5%) |
 Turkish Airlines | 4 | 1669–4103 | 3137 | 10 (0%) |
Where do the best St Louis → Oslo (Gardermoen) 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: St Louis to Oslo (Gardermoen) flights
- Full-service carriers on St Louis–Oslo (Gardermoen) cost 1.1x more than budget airlines (USD 1474 vs USD 1331 median; overall median USD 1349).
- KL charges 7.0x more in ancillary fees than TK — USD 70 vs USD 10 avg per booking.
- The same route priced USD 378 apart depending on where it was booked — the lowest median was USD 1050. 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 Oslo (Gardermoen) cost?
- Based on 384 offers analyzed, St Louis to Oslo (Gardermoen) flights range from USD 882 to USD 6618, with a median price of USD 1349. Search for your specific dates →
- What hidden fees should I expect on St Louis to Oslo (Gardermoen) flights?
- On average, ancillary fees (bags, seat selection) add USD 55 to the base fare on St Louis to Oslo (Gardermoen) flights. See itemized fees for your itinerary →
- Which airline is cheapest on St Louis to Oslo (Gardermoen) including all fees?
- Delta Air Lines has the lowest median fare on St Louis to Oslo (Gardermoen) at USD 1043 (median across 51 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest St Louis–Oslo (Gardermoen) 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 1050. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on St Louis to Oslo (Gardermoen) routes?
- St Louis to Oslo (Gardermoen) has 12 airlines competing, creating a price range from USD 882 to USD 6618 across 384 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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