Cheap flights from St. Louis to Oslo from £345
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How much do flights to Oslo cost?
Cheapest one-way trip | £345 |
|---|---|
Cheapest round-trip | £882 |
Average round-trip | £1,037 |
Includes rare itinerary | |
Most popular airline | Frontier Airlines |
Getting from Oslo airport to the city center
Fastest option: Flytoget airport express train. Best value: Vy regional trains and Flybussen coach services.
Transport Option | Typical Time | Typical Cost | Frequency | Best For |
|---|---|---|---|---|
19-22 min | kr 220 – kr 240; adult single fare (~$20–22 USD) | every 10–20 min (traffic dependent) | fastest to Oslo S | |
23-30 min | kr 115 – kr 130; adult single fare (~$10–12 USD) | every 10–20 min (traffic dependent) | budget rail option | |
45-60 min | kr 199 – kr 249; adult single fare (~$18–23 USD) | every 20–30 min (traffic dependent) | multiple city stops | |
40-70 min | kr 900 – kr 1,200; fixed fare available (~$82–110 USD) | on-demand 24/7 (traffic dependent) | door-to-door convenience | |
40-70 min | kr 700 – kr 1,100; varies with demand (~$64–100 USD) | on-demand 24/7 (traffic dependent) | app-based booking | |
40-60 min | kr 1,000 – kr 1,500; pre-booked (~$91–137 USD) | pre-booked (traffic dependent) | groups or business travel | |
40-70 min | kr 500 – kr 1,000; per day (~$46–91 USD) | on-demand (traffic dependent) | flexibility and onward travel |
Notes:
- Prices in NOK; table created in 2025 and subject to change.
- Flytoget and Vy trains depart from the station directly beneath the airport terminal.
- Taxis offer fixed fares to central Oslo; confirm the price before departure.
- Road journey times vary significantly with traffic, especially during rush hours.
- We recommend checking official transport websites for your travel planning.
Updated: December 2025
Key info about flying to Oslo
Check-in for a flight from St. Louis to Oslo
| Name | Carrier code | IATA Code | Passport needed during booking |
|---|---|---|---|
| Frontier Airlines | FFT | F9 | No |
| Air Canada | ACA | AC | Yes |
| SAS | SAS | SK | No |
| Ryanair | RYR | FR | No |
| KLM Royal Dutch Airlines | KLM | KL | No |
Online check-in is not available for these airlines.
Weather in Oslo
Average Weather
| Month | Average monthly max temperature | Average monthly min temperature |
| January | -3°C | -8°C |
| February | -2°C | -8°C |
| March | 2°C | -4°C |
| April | 8°C | 0°C |
| May | 14°C | 5°C |
| June | 18°C | 9°C |
| July | 19°C | 11°C |
| August | 18°C | 10°C |
| September | 14°C | 7°C |
| October | 7°C | 2°C |
| November | 2°C | -1°C |
| December | -1°C | -6°C |
14 day forecast
Frequently asked questions
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