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$375+ Cheap flights from Missouri 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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
STL — OSL
Dec 20 — Dec 271
Sat 12/20
Sat 12/27
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 20, 2025.

Round-trip from

$452
(Kiwi.com)

One-way from

$375
(Kiwi.com)

Popular in

November

Cheapest in

March

Average price

$1,480
From Missouri to Oslo
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One-way flight from Missouri to Oslo
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Highest demand for flights based on searches. 14% potential increase in price ($148 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($56 potential savings vs. average RT price).
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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 20, 2025.

This American Airlines deal was found by Cheapflights users on 11/19. 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.
Sun 11/2312:10 pmMCI - OSL
2 stops18h 35mAmerican Airlines
Tue 11/257:20 amOSL - MCI
2 stops21h 03mAmerican Airlines
Deal found 11/19$607
This Delta deal was found by Cheapflights users on 11/17. 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 stops34h 55mDelta
Deal found 11/17$643
This United Airlines deal was found by Cheapflights users on 11/17. 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.
Fri 12/56:30 amSTL - OSL
2 stops28h 10mUnited Airlines
Fri 12/126:15 amOSL - STL
1 stop14h 40mUnited Airlines
Deal found 11/17$655
This Delta deal was found by Cheapflights users on 11/17. 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.
Fri 12/512:49 pmSTL - OSL
2 stops20h 31mDelta
Fri 12/126:30 amOSL - STL
2 stops18h 26mDelta
Deal found 11/17$656
This United Airlines deal was found by Cheapflights users on 11/17. 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 12/33:50 pmSTL - OSL
1 stop18h 40mUnited Airlines
Sun 12/79:35 amOSL - STL
2 stops16h 42mUnited Airlines
Deal found 11/17$903
This Air Canada deal was found by Cheapflights users on 11/19. 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.
Sun 11/239:58 amMCI - OSL
3 stops20h 07mAir Canada
Tue 11/256:45 amOSL - MCI
3 stops22h 05mAir Canada
Deal found 11/19$932
This Orbitz deal was found by Cheapflights users on 11/20. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/284:05 pmSTL - OSL
2 stops57h 35mMultiple Airlines
Fri 1/98:50 pmOSL - STL
2 stops30h 01mMultiple Airlines
Deal found 11/20$1,067
This Lufthansa deal was found by Cheapflights users on 11/17. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/33:50 pmSTL - OSL
1 stop14h 10mLufthansa
Sun 12/76:05 amOSL - STL
1 stop14h 50mLufthansa
Deal found 11/17$1,092
This CheapOair deal was found by Cheapflights users on 11/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/283:50 pmSTL - OSL
1 stop14h 15mLufthansa
Fri 1/96:15 amOSL - STL
1 stop14h 40mLufthansa
Deal found 11/20$1,206
This Ovago deal was found by Cheapflights users on 11/19. 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.
Sun 12/216:35 pmSTL - OSL
2 stops16h 05mLufthansa
Sat 12/271:50 pmOSL - STL
1 stop31h 05mLufthansa
Deal found 11/19$1,275
This Gurufare deal was found by Cheapflights users on 11/17. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/53:50 pmSTL - OSL
1 stop14h 15mLufthansa
Fri 12/126:15 amOSL - STL
1 stop14h 40mLufthansa
Deal found 11/17$1,696
This United Airlines deal was found by Cheapflights users on 11/19. 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 11/2311:36 amMCI - OSL
3 stops20h 44mUnited Airlines
Tue 11/256:45 amOSL - MCI
2 stops20h 12mUnited Airlines
Deal found 11/19$10,584

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 20, 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

Fri 1/9

6:40 pm-5:40 pm

2 stops16h 00m

Oslo Gardermoen

Fri 1/23

6:15 am-1:55 pm

1 stop14h 40m

$461

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Fri 1/9

6:40 pm-5:40 pm

2 stops16h 00m

Oslo Gardermoen

Fri 1/23

9:35 am-3:29 pm

2 stops36h 54m

$472

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Fri 1/9

2:54 pm-10:10 pm

2 stops24h 16m

Oslo Gardermoen

Fri 1/23

8:15 am-7:29 pm

2 stops18h 14m

$506

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Fri 2/6

9:59 am-1:50 pm

2 stops20h 51m

Oslo Gardermoen

Tue 2/10

6:30 am-8:37 pm

2 stops21h 07m

$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

6:05 am-9:00 pm

2 stops21h 55m

$524

Kansas CityOslo

MCI - OSL

MCIOSL

Kansas City

Mon 2/23

9:59 am-1:10 pm

2 stops20h 11m

Oslo Gardermoen

Fri 2/27

8:00 am-10:00 pm

2 stops21h 00m

$536

St. LouisOslo

STL - TRF

STLTRF

Lambert-St Louis

Fri 1/9

3:50 pm-3:55 pm

2 stops17h 05m

Oslo Sandefjord

Fri 1/23

9:20 pm-1:55 pm

2 stops47h 35m

$541

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Sat 2/14

4:05 pm-1:05 pm

2 stops38h 00m

Oslo Gardermoen

Sun 2/22

6:25 pm-10:59 pm

2 stops35h 34m

$550

Kansas CityOslo

MCI - OSL

MCIOSL

Kansas City

Mon 2/23

9:10 am-5:40 pm

2 stops25h 30m

Oslo Gardermoen

Fri 2/27

6:15 am-8:35 pm

2 stops21h 20m

$606

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

$612

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 23 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 20, 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, British Airways, and Delta can get you from Missouri to Oslo in just under 16h. Your travel time can differ by up to 8h 16m. 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 Kansas City - Oslo Gardermoen or Kansas City - Oslo Sandefjord, Lambert-St Louis - 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 20, 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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