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$449+ 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 12/30. Fares are subject to change and may not be available on all flights or dates of travel.
STL — OSL
Dec 2 — Dec 91
Tue 12/2
Tue 12/9
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 2, 2025.

Round-trip from

$511
(United)

One-way from

$449
(Delta)

Popular in

November

Cheapest in

March

Average price

$1,613
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. 16% potential increase in price ($176 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($66 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 2, 2025.

This United deal was found by Cheapflights users on 10/31. 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.
Fri 11/288:00 amSTL - OSL
2 stops26h 40mMultiple Airlines
Fri 12/126:15 amOSL - STL
2 stops17h 48mMultiple Airlines
Deal found 10/31$511
This Delta deal was found by Cheapflights users on 11/2. 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.
Thu 12/46:38 pmMCI - OSL
2 stops17h 12mDelta
Mon 12/87:45 amOSL - MCI
2 stops22h 25mDelta
Deal found 11/2$515
This Delta deal was found by Cheapflights users on 10/31. 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 11/284:29 pmMCI - OSL
2 stops19h 21mDelta
Fri 12/57:45 amOSL - MCI
2 stops18h 02mDelta
Deal found 10/31$516
This Delta deal was found by Cheapflights users on 11/1. 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 12/79:50 amOSL - STL
2 stops37h 45mDelta
Deal found 11/1$523
This Kiwi.com deal was found by Cheapflights users on 10/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/283:50 pmSTL - OSL
1 stop16h 50mLufthansa
Fri 12/126:15 amOSL - STL
1 stop14h 40mLufthansa
Deal found 10/31$577
This Cheapflightsfares deal was found by Cheapflights users on 11/2. 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.
Mon 11/31:10 pmSTL - OSL
2 stops19h 10mLufthansa
Thu 11/136:15 amOSL - STL
2 stops18h 24mLufthansa
Deal found 11/2$604
This United Airlines deal was found by Cheapflights users on 11/1. 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 stops20h 10mUnited Airlines
Deal found 11/1$630
This Delta deal was found by Cheapflights users on 11/2. 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 12/174:32 pmSTL - OSL
2 stops16h 48mDelta
Wed 12/246:30 amOSL - STL
2 stops17h 30mDelta
Deal found 11/2$719
This Mytrip deal was found by Cheapflights users on 10/31. 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.
Fri 11/286:00 amMCI - OSL
3 stops26h 40mMultiple Airlines
Fri 12/51:00 pmOSL - MCI
3 stops35h 56mMultiple Airlines
Deal found 10/31$736
This United Airlines deal was found by Cheapflights users on 10/31. 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.
Sat 11/16:43 pmSTL - OSL
2 stops40h 27mUnited Airlines
Sat 11/811:50 amOSL - STL
2 stops41h 55mUnited Airlines
Deal found 10/31$757
This United deal was found by Cheapflights users on 10/31. 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.
Sat 11/16:43 pmSTL - OSL
2 stops40h 27mMultiple Airlines
Sat 11/81:50 pmOSL - STL
1 stop31h 05mMultiple Airlines
Deal found 10/31$760
This Delta deal was found by Cheapflights users on 11/1. 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.
Tue 12/164:32 pmSTL - OSL
2 stops16h 48mDelta
Tue 12/237:50 amOSL - STL
2 stops22h 52mDelta
Deal found 11/1$788

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 2, 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 11/28

8:00 am-5:40 pm

2 stops26h 40m

Oslo Gardermoen

Fri 12/12

6:15 am-5:03 pm

2 stops17h 48m

$511

Kansas CityOslo

MCI - OSL

MCIOSL

Kansas City

Thu 12/4

6:38 pm-6:50 pm

2 stops17h 12m

Oslo Gardermoen

Mon 12/8

7:45 am-11:10 pm

2 stops22h 25m

$515

Kansas CityOslo

MCI - OSL

MCIOSL

Kansas City

Fri 11/28

4:29 pm-6:50 pm

2 stops19h 21m

Oslo Gardermoen

Fri 12/5

7:45 am-6:47 pm

2 stops18h 02m

$516

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Wed 12/3

4:32 pm-4:20 pm

2 stops16h 48m

Oslo Gardermoen

Sun 12/7

9:50 am-4:35 pm

2 stops37h 45m

$523

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-10:00 pm

2 stops22h 55m

$524

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Fri 11/28

3:50 pm-3:40 pm

1 stop16h 50m

Oslo Gardermoen

Fri 12/12

6:15 am-1:55 pm

1 stop14h 40m

$577

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Wed 4/1

3:15 pm-10:10 pm

2 stops23h 55m

Oslo Gardermoen

Tue 4/7

1:05 pm-3:24 pm

2 stops33h 19m

$603

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Wed 4/1

3:30 pm-12:20 pm

1 stop13h 50m

Oslo Gardermoen

Tue 4/7

9:55 am-3:24 pm

2 stops36h 29m

$610

Kansas CityOslo

MCI - OSL

MCIOSL

Kansas City

Sat 3/28

5:45 pm-5:00 pm

2 stops41h 15m

Oslo Gardermoen

Tue 4/7

6:45 am-10:07 pm

2 stops22h 22m

$612

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Wed 12/3

3:50 pm-5:30 pm

1 stop18h 40m

Oslo Gardermoen

Sun 12/7

9:35 am-10:45 pm

2 stops20h 10m

$630

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/31

Showing 1-10 of 24 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, August is the cheapest month in which you can book a flight from Missouri to Oslo (average of $569). 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 2, 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.

How much does it cost to fly round-trip from Missouri to Oslo?

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?

    Delta, United Airlines, and Scandinavian Airlines can get you from Missouri to Oslo in just under 17h 12m. Your travel time can differ by up to 13h 27m. Missouri and Oslo are separated by a distance of 4391 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, August is the cheapest month in which you can book a flight from Missouri to Oslo (average of $569). 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

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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 7 airlines flying from Missouri to Oslo

Discover the top 7 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 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest$565Average$640FlexibilityNo cancel feeOn-time76%
LufthansaCheapest$581Average$877FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$586Average$1,024FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$594Average$1,077FlexibilityNo cancel feeOn-time70%
DeltaCheapest$613Average$963FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$644Average$916FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$674Average$940FlexibilityNo cancel feeOn-time69%

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