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$502+ 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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
STL — OSL
Jan 25 — Feb 11
Sun 1/25
Sun 2/1
1 adult, Economy
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Cheap flight deals from Missouri to Oslo

Best flights from Missouri to Oslo
Discover carefully curated flight deals from Missouri to Oslo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 26, 2025.

This oojo deal was found by Cheapflights users on 12/23. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/72:19 pmSTL - OSL
2 stops18h 56mBritish Airways
Tue 4/148:30 pmOSL - STL
2 stops28h 47mBritish Airways
Deal found 12/23$502
This Cheapflightsfares deal was found by Cheapflights users on 12/24. 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 1/236:30 pmMCI - OSL
2 stops16h 10mLufthansa
Fri 1/306:15 amOSL - MCI
2 stops22h 44mLufthansa
Deal found 12/24$503
This Delta deal was found by Cheapflights users on 12/24. 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 2/63:45 pmSTL - OSL
2 stops15h 05mDelta
Fri 2/139:25 amOSL - STL
2 stops21h 11mDelta
Deal found 12/24$519
This United Airlines deal was found by Cheapflights users on 12/23. 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.
Thu 1/298:30 amSTL - OSL
2 stops19h 30mUnited Airlines
Mon 2/26:15 amOSL - STL
2 stops40h 14mUnited Airlines
Deal found 12/23$523
This Scandinavian Airlines deal was found by Cheapflights users on 12/23. 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.
Tue 4/712:04 pmSTL - TRF
2 stops19h 26mScandinavian Airlines
Tue 4/146:00 amTRF - STL
2 stops24h 33mScandinavian Airlines
Deal found 12/23$707
This Cheapflightsfares deal was found by Cheapflights users on 12/25. 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.
Thu 1/2212:35 pmMCI - OSL
2 stops22h 05mLufthansa
Thu 1/296:15 amOSL - MCI
2 stops20h 41mLufthansa
Deal found 12/25$504
This oojo deal was found by Cheapflights users on 12/25. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/85:20 pmSTL - OSL
2 stops22h 20mBritish Airways
Sun 2/157:20 amOSL - STL
2 stops23h 03mBritish Airways
Deal found 12/25$514
This United Airlines deal was found by Cheapflights users on 12/23. 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 2/41:42 pmMCI - OSL
2 stops20h 58mUnited Airlines
Sun 2/86:05 amOSL - MCI
2 stops20h 51mUnited Airlines
Deal found 12/23$527
This United Airlines deal was found by Cheapflights users on 12/24. 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 3/286:34 pmMCI - OSL
2 stops39h 41mUnited Airlines
Tue 4/76:55 amOSL - MCI
2 stops34h 32mUnited Airlines
Deal found 12/24$528
This Icelandair deal was found by Cheapflights users on 12/24. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/69:40 amSTL - OSL
3 stops18h 55mMultiple Airlines
Fri 2/131:10 pmOSL - STL
2 stops17h 15mMultiple Airlines
Deal found 12/24$1,192
This Cheapflightsfares deal was found by Cheapflights users on 12/25. 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.
Tue 5/126:30 pmMCI - OSL
2 stops20h 35mLufthansa
Tue 5/261:10 pmOSL - MCI
2 stops17h 01mLufthansa
Deal found 12/25$556
This oojo deal was found by Cheapflights users on 12/23. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/75:49 pmMCI - OSL
2 stops22h 11mBritish Airways
Sat 2/147:10 amOSL - MCI
2 stops17h 34mBritish Airways
Deal found 12/23$599
This United Airlines deal was found by Cheapflights users on 12/24. 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 2/85:10 pmMCI - OSL
2 stops41h 30mUnited Airlines
Sun 2/159:35 amOSL - MCI
2 stops43h 24mUnited Airlines
Deal found 12/24$548
This Ovago deal was found by Cheapflights users on 12/23. 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.
Tue 4/74:05 pmSTL - OSL
2 stops37h 10mLufthansa
Tue 4/147:00 pmOSL - STL
1 stop25h 25mLufthansa
Deal found 12/23$573
This oojo deal was found by Cheapflights users on 12/25. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/85:49 pmMCI - OSL
2 stops21h 51mBritish Airways
Sat 2/146:30 pmOSL - MCI
2 stops34h 16mBritish Airways
Deal found 12/25$600
This Arangrant deal was found by Cheapflights users on 12/24. 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.
Mon 6/153:30 pmSTL - OSL
1 stop16h 55mMultiple Airlines
Thu 6/2512:20 pmOSL - STL
2 stops35h 06mMultiple Airlines
Deal found 12/24$1,995
This Arangrant deal was found by Cheapflights users on 12/25. 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.
Mon 6/154:23 pmSTL - OSL
2 stops19h 17mBritish Airways
Thu 6/2511:40 amOSL - STL
2 stops15h 22mBritish Airways
Deal found 12/25$1,937

Find flight deals from Missouri to Oslo

Keep the following information in mind while searching for Missouri to Oslo flight deals. Data was last updated December 26, 2025.

Round-trip from

$503
(Cheapflightsfares)

Popular in

July

Cheapest in

November

Average price

$747
From Missouri to Oslo
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($208 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 26, 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

Tue 4/7

2:19 pm-4:15 pm

2 stops18h 56m

Oslo Gardermoen

Tue 4/14

8:30 pm-6:17 pm

2 stops28h 47m

$502

Kansas CityOslo

MCI - OSL

MCIOSL

Kansas City

Fri 1/23

6:30 pm-5:40 pm

2 stops16h 10m

Oslo Gardermoen

Fri 1/30

6:15 am-9:59 pm

2 stops22h 44m

$503

Kansas CityOslo

MCI - OSL

MCIOSL

Kansas City

Thu 1/22

12:35 pm-5:40 pm

2 stops22h 05m

Oslo Gardermoen

Thu 1/29

6:15 am-7:56 pm

2 stops20h 41m

$504

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Sun 2/8

5:20 pm-10:40 pm

2 stops22h 20m

Oslo Gardermoen

Sun 2/15

7:20 am-11:23 pm

2 stops23h 03m

$514

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Fri 2/6

3:45 pm-1:50 pm

2 stops15h 05m

Oslo Gardermoen

Fri 2/13

9:25 am-11:36 pm

2 stops21h 11m

$519

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Thu 1/29

8:30 am-11:00 am

2 stops19h 30m

Oslo Gardermoen

Mon 2/2

6:15 am-3:29 pm

2 stops40h 14m

$523

Kansas CityOslo

MCI - OSL

MCIOSL

Kansas City

Wed 2/4

1:42 pm-5:40 pm

2 stops20h 58m

Oslo Gardermoen

Sun 2/8

6:05 am-7:56 pm

2 stops20h 51m

$527

Kansas CityOslo

MCI - OSL

MCIOSL

Kansas City

Sat 3/28

6:34 pm-4:15 pm

2 stops39h 41m

Oslo Gardermoen

Tue 4/7

6:55 am-10:27 am

2 stops34h 32m

$528

Kansas CityOslo

MCI - OSL

MCIOSL

Kansas City

Sun 2/8

5:10 pm-5:40 pm

2 stops41h 30m

Oslo Gardermoen

Sun 2/15

9:35 am-9:59 pm

2 stops43h 24m

$548

Kansas CityOslo

MCI - OSL

MCIOSL

Kansas City

Tue 5/12

6:30 pm-10:05 pm

2 stops20h 35m

Oslo Gardermoen

Tue 5/26

1:10 pm-11:11 pm

2 stops17h 01m

$556

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/23

Showing 1-10 of 17 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, December is the cheapest month in which you can book a flight from Missouri to Oslo (average of $559). 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 December 26, 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?

    British Airways, Lufthansa, and Delta can get you from Missouri to Oslo in just under 15h 05m. Your travel time can differ by up to 3h 51m. 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 Lambert-St Louis - 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, December is the cheapest month in which you can book a flight from Missouri to Oslo (average of $559). 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 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 December 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest$565Average$640FlexibilityNo cancel feeOn-time76%
LufthansaCheapest$581Average$834FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$586Average$857FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$594Average$1,077FlexibilityNo cancel feeOn-time70%
DeltaCheapest$613Average$928FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$657Average$1,221FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$674Average$932FlexibilityNo cancel feeOn-time69%

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