OSL - STL

$341 Find Cheap Flights from Oslo to St. Louis

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Oslo to St. Louis departing on 5/4. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to St. Louis

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Oslo to St. Louis, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Oslo to St. Louis, as well as popular online travel agencies
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41,299,237 searches in the past 7 days on KAYAK

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Everything you should know

Cheapest round-trip
$580
Overall average: $650
United Airlines
Wed 3/4Sun 3/8
OSL - STL • 1 stop
Cheapest one-way
$341
Multiple Airlines
Mon 5/4
OSL - STL • 2 stops
When to travel
September
Cheapest • 31% price drop
July
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to St. Louis!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Oslo to St. Louis (OSL-STL)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Oslo to St. Louis that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Oslo to St. Louis

Wed, Mar 4 - Sun, Mar 8
United Airlines Logo
6:05 am - 1:55 pm
OSL
-
STL
14h 50m
1 stop
United Airlines Logo
7:00 pm - 11:30 pm
STL
-
OSL
22h 30m
2 stops
$580United Airlines
Sun, Feb 15 - Thu, Feb 19
Lufthansa Logo
6:05 am - 11:59 pm
OSL
-
STL
24h 54m
2 stops
Lufthansa Logo
11:39 am - 1:00 pm
STL
-
OSL
18h 21m
2 stops
$583Lufthansa
Wed, Mar 18 - Wed, Mar 25
United Airlines Logo
6:05 am - 6:00 pm
OSL
-
STL
17h 55m
2 stops
United Airlines Logo
4:50 pm - 5:30 pm
STL
-
OSL
18h 40m
1 stop
$584United Airlines
Wed, Mar 4 - Sun, Mar 8
American Airlines Logo
6:55 am - 4:58 pm
OSL
-
STL
17h 03m
2 stops
American Airlines Logo
10:33 am - 10:40 pm
STL
-
OSL
30h 07m
2 stops
$586American Airlines
Wed, Mar 4 - Sun, Mar 8
Air Canada Logo
1:50 pm - 3:29 pm
OSL
-
STL
32h 39m
2 stops
Air Canada Logo
4:05 pm - 12:10 pm
STL
-
OSL
38h 05m
2 stops
$591Air Canada
Wed, Mar 18 - Wed, Mar 25
Lufthansa Logo
6:05 am - 2:55 pm
OSL
-
STL
14h 50m
1 stop
Lufthansa Logo
4:50 pm - 3:20 pm
STL
-
OSL
16h 30m
1 stop
$608Lufthansa
Wed, Mar 4 - Sun, Mar 8
United Airlines Logo
9:45 am - 8:26 pm
OSL
-
STL
17h 41m
2 stops
United Airlines Logo
4:50 pm - 3:20 pm
STL
-
OSL
16h 30m
1 stop
$645United Airlines
Sun, Feb 15 - Thu, Feb 19
Multiple Airlines Logo
9:35 am - 3:29 pm
OSL
-
STL
36h 54m
2 stops
Multiple Airlines Logo
9:55 am - 1:00 pm
STL
-
OSL
20h 05m
3 stops
$874Multiple Airlines
Wed, Mar 18 - Wed, Mar 25
Multiple Airlines Logo
1:50 pm - 3:29 pm
OSL
-
STL
31h 39m
2 stops
Multiple Airlines Logo
4:05 pm - 4:30 pm
STL
-
OSL
42h 25m
3 stops
$1,057Multiple Airlines
Booking Insights

KAYAK's insights & trends for Oslo to St. Louis flights

Get data-powered insights and trends into flights from Oslo to St. Louis to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Oslo Gardermoen Airport to St. Louis?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Oslo Gardermoen Airport to St. Louis, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Oslo Gardermoen Airport to St. Louis is September, where tickets cost $463 (return) on average. On the other hand, the most expensive months are June and July, where the average cost of round-trip tickets is $888 and $867 respectively.

Find deals

Good to know

Low seasonOctober
Cheapest flight$341
Best time to beat the crowds with an average 3% drop in price.
Most popular time to fly with an average 29% increase in price.
Flight from Oslo to St. Louis

When to book flights from Oslo to St. Louis

Are your dates flexible? Find out the best times to travel from Oslo to St. Louis based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Oslo to St. Louis flights

  • What is the cheapest flight from Oslo Gardermoen Airport to St. Louis?

    In the last 3 days, the lowest price for a flight from Oslo Gardermoen Airport to St. Louis was $341 for a one-way ticket and $580 for a round-trip.

  • Do I need a passport to fly between Oslo and St. Louis?

    Yes

  • Which aircraft models fly most regularly from Oslo to St. Louis?

    We unfortunately don’t have that data for this specific route.

  • How does KAYAK find such low prices on flights from Oslo to St. Louis?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Oslo to St. Louis.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Oslo to St. Louis?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to St. Louis from Oslo is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Oslo to St. Louis?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to St. Louis with an airline and back to Oslo with another airline. Booking your flights between Oslo and STL can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Oslo to St. Louis?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to St. Louis from Oslo up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Oslo to St. Louis

Information on your arrival and departure airports

Oslo (OSL)
St. Louis (STL)