> > > > >
Flights from St. Louis to Oslo

Cheap flight deals from St. Louis to Oslo

Find flight deals from St. Louis to Oslo for the next 3 months. Book one way flights from PHP 26,610 or round trip flights from PHP 35,619.

Deals on upcoming round-trip flights from St. Louis to Oslo

Deals on upcoming one-way flights from St. Louis to Oslo

Flying from St. Louis to Oslo

The distance between St. Louis and Oslo is about 6,915.35 km. The most popular month to Oslo is March. The off-season for travel is May.

Cheapest one-way flight pricePHP 26,610
Cheapest round-trip ticket pricePHP 35,619
Off-season for travelMay
Peak season for travelMarch
Flight distance6,915.35 km

When is the cheapest time to fly from St. Louis to Oslo?

The cheapest time for St. Louis to Oslo flights: Oct 5 to Oct 12 — one way flight prices from PHP 19,241.

Cheapest flights
From price
Search
  • 512
  • 1219
  • 1926
  • Nov

    262
  • 29
  • 916
  • 1623
  • 2330
  • Dec

    307
  • 714
  • 1421
  • 2128
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • What are the cheapest flights from St. Louis to Oslo (STL-OSL)?

    Based on Trip.com data, Lufthansa offers one-way fares as low as PHP 26,610 on Cheapest nonstop routes (e.g. STL to OSL on Wed, Oct 8), while United Airlines offers Cheapest nonstop round-trips from PHP 35,619 departing on Wed, Nov 5 and returning on Wed, Nov 12.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from St. Louis to Oslo is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • To find best deals on flights from St. Louis to Oslo, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Wed, Oct 8, with one-way flights priced at just PHP 26,610.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Lufthansa.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Oslo travel is around March.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from St. Louis to Oslo is May, when demand for travel is lower.
  • After crunching the numbers on our October flight calendar, it's currently cheapest to fly from St. Louis to Oslo on October 27, 2025 with United Airlines, with prices starting at PHP 43,321.
  • The time difference between Oslo and St. Louis is 7h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

How to find a cheap flight from St. Louis to Oslo

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from St. Louis to Oslo. Book your flights at the right time and save more.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
For the best booking experience on the go, download Trip.com and search for cheap flights to access exclusive deals just for you.