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$516+ Cheap flights from Missouri to Oslo

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/15. Fares are subject to change and may not be available on all flights or dates of travel.
STL — OSL
Dec 16 — Dec 231
Tue 12/16
Tue 12/23
1 adult, Economy
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Cheap flight deals from Missouri to Oslo

Keep the following information in mind while searching for Missouri to Oslo flight deals. Data was last updated November 16, 2025.

Round-trip from

$516
(Cheapflightsfares)

Popular in

November

Cheapest in

March

Average price

$1,480
From Missouri to Oslo
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($148 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($56 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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Find flight deals from Missouri to Oslo

Cheapest flights from Missouri to Oslo
Explore the most affordable flight options available from Missouri to Oslo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 16, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 11/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/56:42 pmSTL - OSL
2 stops21h 38mLufthansa
Fri 12/126:15 amOSL - STL
1 stop14h 40mLufthansa
Deal found 11/14$642
This Delta deal was found by Cheapflights users on 11/13. 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.
Wed 12/34:32 pmSTL - OSL
2 stops16h 48mDelta
Sun 12/712:40 pmOSL - STL
2 stops36h 16mDelta
Deal found 11/13$643
This Cheapflightsfares deal was found by Cheapflights users on 11/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1912:45 pmMCI - OSL
2 stops17h 15mLufthansa
Sun 11/239:35 amOSL - MCI
2 stops17h 19mLufthansa
Deal found 11/14$651
This United Airlines deal was found by Cheapflights users on 11/14. 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.
Wed 11/1911:36 amMCI - OSL
3 stops18h 24mUnited Airlines
Sun 11/236:05 amOSL - MCI
2 stops21h 42mUnited Airlines
Deal found 11/14$667
This Cheapflightsfares deal was found by Cheapflights users on 11/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/191:10 pmSTL - OSL
2 stops21h 20mLufthansa
Fri 11/216:30 pmOSL - STL
2 stops34h 10mLufthansa
Deal found 11/15$670
This Ovago deal was found by Cheapflights users on 11/15. 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.
Wed 12/36:42 pmSTL - OSL
2 stops15h 48mLufthansa
Sun 12/76:05 amOSL - STL
1 stop14h 50mLufthansa
Deal found 11/15$761
This Air Canada deal was found by Cheapflights users on 11/14. 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.
Wed 11/199:58 amMCI - OSL
3 stops20h 02mAir Canada
Sun 11/2311:50 amOSL - MCI
3 stops33h 31mAir Canada
Deal found 11/14$784
This United Airlines deal was found by Cheapflights users on 11/14. 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.
Wed 12/171:00 pmSTL - OSL
2 stops21h 10mUnited Airlines
Wed 12/246:05 amOSL - STL
1 stop14h 50mUnited Airlines
Deal found 11/14$998
This Delta deal was found by Cheapflights users on 11/15. 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.
Mon 12/154:32 pmSTL - OSL
2 stops16h 48mDelta
Mon 12/226:30 amOSL - STL
2 stops24h 12mDelta
Deal found 11/15$1,011
This Mytrip deal was found by Cheapflights users on 11/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1910:44 amSTL - OSL
2 stops20h 41mMultiple Airlines
Fri 11/215:55 amOSL - STL
3 stops25h 07mMultiple Airlines
Deal found 11/15$1,090
This AranGrant deal was found by Cheapflights users on 11/15. 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 AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/162:31 pmMCI - OSL
2 stops16h 14mBritish Airways
Sun 11/2311:30 amOSL - MCI
2 stops16h 53mBritish Airways
Deal found 11/15$1,539
This United Airlines deal was found by Cheapflights users on 11/15. 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.
Sun 11/1611:36 amMCI - OSL
3 stops40h 24mUnited Airlines
Sun 11/2311:50 amOSL - MCI
2 stops18h 52mUnited Airlines
Deal found 11/15$9,836

Cheapflights Fare Finder

 
Customize your flight search to find flights from Missouri 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 November 16, 2025.
Use the filters below to find and compare flights from Missouri to Oslo that are best for you.

Fly from

Missouri

Fly to

Oslo

Route

Depart

Return

Price

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Sun 2/15

6:45 pm-5:40 pm

2 stops15h 55m

Oslo Gardermoen

Mon 2/23

9:35 am-12:05 am

2 stops21h 30m

$516

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Sun 2/15

6:45 pm-5:40 pm

2 stops15h 55m

Oslo Gardermoen

Wed 2/25

1:50 pm-10:59 pm

2 stops16h 09m

$516

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Sat 2/14

8:30 am-5:10 pm

2 stops25h 40m

Oslo Gardermoen

Sun 2/22

9:35 am-10:59 pm

2 stops20h 24m

$524

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Sat 2/14

6:00 am-10:40 am

2 stops21h 40m

Oslo Gardermoen

Sun 2/22

11:20 am-6:03 pm

2 stops37h 43m

$552

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Sat 4/25

4:05 pm-6:00 pm

2 stops42h 55m

Oslo Gardermoen

Thu 4/30

6:35 am-10:06 pm

2 stops22h 31m

$608

Kansas CityOslo

MCI - OSL

MCIOSL

Kansas City

Tue 5/12

6:37 pm-10:10 pm

2 stops20h 33m

Oslo Gardermoen

Tue 5/19

6:45 am-10:29 pm

2 stops22h 44m

$608

Kansas CityOslo

MCI - OSL

MCIOSL

Kansas City

Sat 3/28

6:23 pm-4:15 pm

2 stops39h 52m

Oslo Gardermoen

Tue 4/7

6:45 am-7:45 pm

2 stops20h 00m

$613

Kansas CityOslo

MCI - OSL

MCIOSL

Kansas City

Tue 5/12

6:37 pm-12:05 am

2 stops22h 28m

Oslo Gardermoen

Tue 5/26

1:05 pm-11:00 pm

2 stops16h 55m

$620

Kansas CityOslo

MCI - OSL

MCIOSL

Kansas City

Sat 3/28

5:40 pm-11:20 am

2 stops35h 40m

Oslo Gardermoen

Tue 4/7

6:45 am-9:48 pm

2 stops22h 03m

$629

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Sat 4/25

4:05 pm-3:50 pm

2 stops40h 45m

Oslo Gardermoen

Thu 4/30

6:55 pm-1:30 pm

1 stop25h 35m

$632

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/15

Showing 1-10 of 20 results
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Best time to book a flight from Missouri to Oslo

Have a flexible travel schedule? Discover the best time to fly to Oslo from Missouri 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 Missouri to Oslo

What is the cheapest month to book a flight from Missouri to Oslo?

Currently, April is the cheapest month in which you can book a flight from Missouri to Oslo (average of $564). Flying from Missouri to Oslo in June is currently the most expensive (average of $931). 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 MO to OSL?

Find hourly flight availability from Missouri 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 November 16, 2025.

One of the essential ways to save on airfare from Missouri to Oslo is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight at noon could potentially save you up to 49% on airfare.

Related info for your journey

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

  • How long is the flight from Missouri to Oslo?

    Lufthansa, United Airlines, and Iberia can get you from Missouri to Oslo in just under 15h 55m. Your travel time can differ by up to 9h 45m. Missouri and Oslo are separated by a distance of 4296 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Missouri to Oslo?

    While some choose either Lambert-St Louis - Oslo Gardermoen or Kansas City - Oslo Sandefjord, Kansas City - Oslo Gardermoen is the most popular route from Missouri to Oslo.

  • Can I find deals for flights from Missouri to Oslo that include hotel bookings?

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

  • How can I find direct flights from Missouri to Oslo?

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

  • Can I find deals for business class flights from Missouri to Oslo?

    Yes. Cheapflights offers flight deals from Missouri 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 Missouri to Oslo?

    Currently, April is the cheapest month in which you can book a flight from Missouri to Oslo (average of $564). Flying from Missouri to Oslo in June is currently the most expensive (average of $931). 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 Missouri to Oslo

See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from Missouri to Oslo

Discover the top 8 airlines that operate flights from Missouri 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 November 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest$565Average$640FlexibilityNo cancel feeOn-time76%
LufthansaCheapest$581Average$873FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$586Average$1,024FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$594Average$1,077FlexibilityNo cancel feeOn-time70%
DeltaCheapest$613Average$946FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$644Average$916FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$657Average$1,221FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$674Average$940FlexibilityNo cancel feeOn-time69%

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