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$411+ Cheap flights from St. Louis (STL) to Oslo

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/11. Fares are subject to change and may not be available on all flights or dates of travel.
STL — OSL
feb. 25 — mar. 41
mar. 2/25
mar. 3/4
1 adult, Economy
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Cheap flight deals from St. Louis to Oslo

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Oslo (OS1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated febrero 20, 2025.

Round-trip from

$703
(Ovago)

One-way from

$411
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$755
From Lambert-St Louis to Oslo
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One-way flight from Lambert-St Louis to Oslo
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Highest demand for flights based on searches. 5% potential increase in price ($55 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($66 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Find flight deals from St. Louis to Oslo

Cheapest flights from St. Louis to Oslo
Explore the most affordable flight options available from St. Louis to Oslo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on febrero 20, 2025.

This Ovago deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 3/85:33 pmSTL - OSL
2 stops41h 02mLufthansa
dom. 3/169:35 amOSL - STL
2 stops43h 57mLufthansa
Deal found 2/20$703
This Gotogate deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 5/181:30 pmSTL - OSL
2 stops21h 35mMultiple Airlines
sáb. 5/244:30 pmOSL - STL
1 stop28h 00mMultiple Airlines
Deal found 2/20$721
This United deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 6/137:30 amSTL - OSL
2 stops33h 20mUnited Airlines
vie. 7/46:45 amOSL - STL
2 stops16h 53mUnited Airlines
Deal found 2/20$1,171
This Expedia deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 7/61:30 pmSTL - TRF
2 stops16h 05mMultiple Airlines
mar. 7/151:05 pmTRF - STL
2 stops37h 55mMultiple Airlines
Deal found 2/20$1,384
This Ovago deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 7/191:30 pmSTL - TRF
2 stops22h 20mScandinavian Airlines
dom. 7/277:20 pmTRF - STL
2 stops35h 19mScandinavian Airlines
Deal found 2/20$2,034

Find flights from St. Louis to Oslo within your budget

Customize your flight search to find flights from St. Louis to Oslo that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated febrero 20, 2025.

Fly from

St. Louis

Fly to

Oslo

Route

Depart

Return

Price

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

sáb. 3/8

5:33 pm-5:35 pm

2 stops41h 02m

Oslo Gardermoen

dom. 3/16

9:35 am-11:32 pm

2 stops43h 57m

$703

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

dom. 5/18

1:30 pm-6:05 pm

2 stops21h 35m

Oslo Gardermoen

sáb. 5/24

4:30 pm-1:30 pm

1 stop28h 00m

$721

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

vie. 6/13

7:30 am-11:50 pm

2 stops33h 20m

Oslo Gardermoen

vie. 7/4

6:45 am-4:38 pm

2 stops16h 53m

$1,171

St. LouisOslo

STL - TRF

STLTRF

Lambert-St Louis

dom. 7/6

1:30 pm-12:35 pm

2 stops16h 05m

Oslo Sandefjord

mar. 7/15

1:05 pm-8:00 pm

2 stops37h 55m

$1,384

St. LouisOslo

STL - TRF

STLTRF

Lambert-St Louis

sáb. 7/19

1:30 pm-6:50 pm

2 stops22h 20m

Oslo Sandefjord

dom. 7/27

7:20 pm-11:39 pm

2 stops35h 19m

$2,034

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

dom. 5/11

5:47 pm-11:25 am

2 stops58h 38m

$411

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

dom. 5/11

3:30 pm-6:05 pm

1 stop19h 35m

$650

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

lun. 6/23

1:30 pm-6:05 pm

2 stops21h 35m

$793

St. LouisOslo

STL - TRF

STLTRF

Lambert-St Louis

lun. 6/23

7:30 am-10:05 am

2 stops19h 35m

$2,760

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Best time to book a flight from St. Louis to Oslo

Have a flexible travel schedule? Discover the best time to fly to Oslo from St. Louis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from St. Louis to Oslo

Get recent, data-driven insights about flights from St. Louis to Oslo including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from St. Louis to Oslo?

Currently, November is the cheapest month in which you can book a flight from St. Louis to Oslo (average of $567). Flying from St. Louis to Oslo in June is currently the most expensive (average of $1,134). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from STL to OSL?

Find hourly flight availability from St. Louis to Oslo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated febrero 20, 2025.

A simple way to save on the total cost of your ticket is to fly from St. Louis to Oslo at noon. If you’re flexible enough to do this you can expect to save up to 37% on your trip compared to booking a flight in the evening.

Rainfall in Oslo by month

Plan your trip to Oslo by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Oslo ranges from 1.6 - 3.5 inches per month. August is typically the wettest month, when rainfall can reach 3.5 in. February is typically the driest time to visit Oslo when rainfall is around 1.6 in.

Temperature in Oslo by month

Plan your trip to Oslo by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Oslo, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.6 F).

Reviews of airlines servicing Oslo

Get insights into the airlines that provide service to Oslo. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Oslo. Reviews last updated febrero 20, 2025.
United Airlines
7.4
Good
8,766 reviews

Entertainment

7.1

Food

6.7

Crew

8.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Reviews

1 / 20

2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

United Airlines
7.4
Good
8,766 reviews
United Airlines
7.4
Good
8,766 reviews

Entertainment

7.1

Food

6.7

Crew

8.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Reviews

1 / 20

2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Scandinavian Airlines
7.3
Good
1,325 reviews
United Airlines
7.4
Good
8,766 reviews

Entertainment

7.1

Food

6.7

Crew

8.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Reviews

1 / 20

2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Air Canada
7.0
Good
8,748 reviews
United Airlines
7.4
Good
8,766 reviews

Entertainment

7.1

Food

6.7

Crew

8.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Reviews

1 / 20

2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Lufthansa
6.7
Okay
6,984 reviews
United Airlines
7.4
Good
8,766 reviews

Entertainment

7.1

Food

6.7

Crew

8.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Reviews

1 / 20

2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Oslo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from St. Louis to Oslo?

    If you book a flight to Oslo from St. Louis, you will be flying from Lambert-St Louis, which is the city’s only airport. Lambert-St Louis (STL) is located 12.7 mi from the center of St. Louis. There are 0 flights from Lambert-St Louis to Oslo per day from 7 different airlines.

  • What are the cheapest airlines flying from St. Louis to Oslo round-trip?

    Lufthansa, at $703, was found to be the cheapest airline from St. Louis to Oslo.Alternate airlines to your destination round-trip include United Airlines and Scandinavian Airlines. Lufthansa is 30% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from St. Louis to Oslo that include hotel bookings?

    Yes. In addition to deals on St. Louis to Oslo flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Oslo?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Oslo.

  • Can I find deals for business class flights from St. Louis to Oslo?

    Yes. Cheapflights offers flight deals from St. Louis to Oslo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from St. Louis to Oslo?

    Currently, November is the cheapest month in which you can book a flight from St. Louis to Oslo (average of $567). Flying from St. Louis to Oslo in June is currently the most expensive (average of $1,134). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for St. Louis to Oslo

See prices for flight routes from nearby airports that may be better suited for you.
Kansas City to Oslo Gardermoen flights
St. Louis to Oslo Gardermoen flights
St. Louis to Bergen flights
Kansas City to Sandefjord flights
Kansas City to Bergen flights

Top 7 airlines flying from St. Louis to Oslo

Discover the top 7 airlines that operate flights from St. Louis to Oslo. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated febrero 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$593Average$959FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$610Average$1,266FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$621Average$1,090FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$659Average$1,312FlexibilityNo cancel feeOn-time67%
LufthansaCheapest$684Average$1,088FlexibilityNo cancel feeOn-time76%
DeltaCheapest$755Average$1,260FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$914Average$1,480FlexibilityNo cancel feeOn-time75%
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