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Oslo

$608+ 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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
STL — OSL
abr. 2 — abr. 91
mié. 4/2
mié. 4/9
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 marzo 28, 2025.

Round-trip from

$786
(Delta)

One-way from

$608
(oojo)

Popular in

December

Cheapest in

January

Average price

$649
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. 6% potential increase in price ($70 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($67 potential savings vs. average RT price).
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Average for round-trip flights in March 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 marzo 28, 2025.

This Delta deal was found by Cheapflights users on 3/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/86:05 pmSTL - OSL
2 stops17h 45mDelta
dom. 5/116:05 amOSL - STL
2 stops17h 55mDelta
Deal found 3/27$786
This Scandinavian Airlines deal was found by Cheapflights users on 3/27. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/207:30 amSTL - OSL
2 stops19h 50mMultiple Airlines
mié. 6/49:00 amOSL - STL
2 stops21h 38mMultiple Airlines
Deal found 3/27$826
This American Airlines deal was found by Cheapflights users on 3/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/197:30 pmSTL - OSL
2 stops21h 00mAmerican Airlines
mié. 6/41:20 pmOSL - STL
2 stops15h 32mAmerican Airlines
Deal found 3/27$827
This FlightHub deal was found by Cheapflights users on 3/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/121:30 pmSTL - OSL
2 stops16h 40mScandinavian Airlines
dom. 9/288:55 pmOSL - STL
2 stops30h 52mScandinavian Airlines
Deal found 3/27$865
This Priceline deal was found by Cheapflights users on 3/26. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/46:29 pmSTL - OSL
2 stops16h 41mBritish Airways
sáb. 11/811:25 amOSL - STL
2 stops17h 16mBritish Airways
Deal found 3/26$972
This United Airlines deal was found by Cheapflights users on 3/27. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/123:30 pmSTL - OSL
1 stop17h 10mUnited Airlines
dom. 9/286:50 amOSL - STL
2 stops15h 26mUnited Airlines
Deal found 3/27$1,091
This KAYAK deal was found by Cheapflights users on 3/27. 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 KAYAK 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 3/27$1,108
This Trip.com deal was found by Cheapflights users on 3/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/123:30 pmSTL - OSL
1 stop13h 45mLufthansa
dom. 9/286:50 amOSL - STL
1 stop13h 40mLufthansa
Deal found 3/27$1,118
This Air Canada deal was found by Cheapflights users on 3/26. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/44:15 pmSTL - OSL
2 stops15h 40mAir Canada
sáb. 11/86:20 amOSL - STL
3 stops20h 05mAir Canada
Deal found 3/26$1,308

Cheapflights Fare Finder

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 marzo 28, 2025.
Use the filters below to find and compare flights from St. Louis to Oslo that are best for you.

Fly from

St. Louis

Fly to

Oslo

Route

Depart

Return

Price

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

jue. 5/8

6:05 pm-6:50 pm

2 stops17h 45m

Oslo Gardermoen

dom. 5/11

6:05 am-5:00 pm

2 stops17h 55m

$786

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

mar. 5/20

7:30 am-10:20 am

2 stops19h 50m

Oslo Gardermoen

mié. 6/4

9:00 am-11:38 pm

2 stops21h 38m

$826

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

lun. 5/19

7:30 pm-11:30 pm

2 stops21h 00m

Oslo Gardermoen

mié. 6/4

1:20 pm-9:52 pm

2 stops15h 32m

$827

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

vie. 9/12

1:30 pm-1:10 pm

2 stops16h 40m

Oslo Gardermoen

dom. 9/28

8:55 pm-8:47 pm

2 stops30h 52m

$865

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

vie. 9/12

3:30 pm-3:40 pm

1 stop17h 10m

Oslo Gardermoen

dom. 9/28

6:50 am-3:16 pm

2 stops15h 26m

$1,091

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

$1,108

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

vie. 9/12

3:30 pm-12:15 pm

1 stop13h 45m

Oslo Gardermoen

dom. 9/28

6:50 am-1:30 pm

1 stop13h 40m

$1,118

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

mié. 9/17

6:24 pm-7:15 pm

2 stops17h 51m

$608

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

mié. 9/17

3:30 pm-3:40 pm

1 stop17h 10m

$627

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

sáb. 7/19

4:00 pm-12:15 pm

2 stops37h 15m

$658

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 12 results
1
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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.

Cheapflights Insights

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

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 $1,110). 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 marzo 28, 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 marzo 28, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines and Scandinavian Airlines from St. Louis to Oslo to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,896 reviews
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,603 reviews
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Scandinavian Airlines
7.3
Good
1,325 reviews
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air Canada
7.0
Good
8,986 reviews
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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?

    Delta, at $786, was found to be the cheapest airline from St. Louis to Oslo.Alternate airlines to your destination round-trip include American Airlines and Scandinavian Airlines. Delta is 20% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from St. Louis to Oslo one-way?

    $608 is the cheapest one-way deal found within the past few days, from British Airways. You may also be able to find cheap deals on Lufthansa and Air Canada, with prices starting from $627 and $658, respectively.

  • 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 $1,110). 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

Browse thousands of different options on Cheapflights for your next trip

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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.
St. Louis to Oslo Gardermoen flights
Kansas City to Oslo Gardermoen flights
Kansas City to Bergen flights
Kansas City to Sandefjord flights
St. Louis 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 marzo 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$593Average$961FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$594Average$1,090FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$610Average$1,266FlexibilityNo cancel feeOn-time70%
KLMCheapest$649Average$1,480FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$659Average$1,447FlexibilityNo cancel feeOn-time67%
LufthansaCheapest$684Average$1,088FlexibilityNo cancel feeOn-time76%
DeltaCheapest$702Average$1,238FlexibilityNo cancel feeOn-timeN/A
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