Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from St. Louis to Oslo from $441

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Oslo departing on 8/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from St. Louis to Oslo

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
2:40 pm - 12:00 pm
STL
-
OSL
38h 20m
2 stops
Multiple Airlines Logo
7:50 am - 7:30 pm
OSL
-
STL
18h 40m
1 stop
$736Multiple Airlines
Sat, Oct 10 - Fri, Oct 16
Multiple Airlines Logo
2:40 pm - 12:00 pm
STL
-
OSL
38h 20m
2 stops
Multiple Airlines Logo
7:50 am - 8:08 pm
OSL
-
STL
19h 18m
2 stops
$746Multiple Airlines
Sat, Oct 10 - Fri, Oct 16
Finnair Logo
4:57 pm - 4:35 pm
STL
-
OSL
16h 38m
2 stops
Finnair Logo
12:50 pm - 11:59 pm
OSL
-
STL
18h 09m
2 stops
$751Finnair
Wed, Aug 26 - Tue, Sep 1
Multiple Airlines Logo
4:57 pm - 7:45 pm
STL
-
OSL
19h 48m
2 stops
Multiple Airlines Logo
7:45 am - 7:30 pm
OSL
-
STL
18h 45m
1 stop
$758Multiple Airlines
Wed, Aug 26 - Wed, Sep 2
Multiple Airlines Logo
3:30 pm - 3:55 pm
STL
-
OSL
17h 25m
1 stop
Multiple Airlines Logo
7:45 am - 7:30 pm
OSL
-
STL
18h 45m
1 stop
$760Multiple Airlines
Wed, Aug 26 - Tue, Sep 1
Lufthansa Logo
1:13 pm - 12:20 pm
STL
-
OSL
16h 07m
2 stops
Lufthansa Logo
4:45 pm - 1:25 pm
OSL
-
STL
27h 40m
1 stop
$783Lufthansa
Thu, Jun 4 - Mon, Jun 8
Lufthansa Logo
1:13 pm - 12:20 pm
STL
-
OSL
16h 07m
2 stops
Lufthansa Logo
6:45 am - 3:46 pm
OSL
-
STL
16h 01m
2 stops
$801Lufthansa
Thu, Jun 4 - Mon, Jun 8
Multiple Airlines Logo
12:59 pm - 3:50 pm
STL
-
OSL
19h 51m
2 stops
Multiple Airlines Logo
7:45 am - 7:30 pm
OSL
-
STL
18h 45m
1 stop
$815Multiple Airlines
Thu, Aug 27 - Tue, Sep 1
Multiple Airlines Logo
12:59 pm - 6:15 pm
STL
-
OSL
22h 16m
2 stops
Multiple Airlines Logo
12:50 pm - 11:59 pm
OSL
-
STL
18h 09m
2 stops
$830Multiple Airlines
Thu, Aug 27 - Tue, Sep 1
British Airways Logo
5:11 pm - 12:05 pm
STL
-
OSL
35h 54m
2 stops
British Airways Logo
8:30 pm - 11:59 pm
OSL
-
STL
34h 29m
2 stops
$863British Airways
Sat, Aug 8 - Thu, Aug 20

British Airways flights from St. Louis to Oslo

Our best British Airways deals on St. Louis to Oslo flight tickets
British Airways
Aug 8
STL5:11 pmLambert-St Louis
35h 54m
2 stops
OSL12:05 pmOslo Gardermoen
Aug 20
OSL8:30 pmOslo Gardermoen
34h 29m
2 stops
STL11:59 pmLambert-St Louis
$863
British Airways
Oct 16
STL9:35 pmLambert-St Louis
11h 45m
1 stop
OSL4:20 pmOslo Gardermoen
Oct 19
OSL5:05 pmOslo Gardermoen
33h 25m
1 stop
STL7:30 pmLambert-St Louis
$864
British Airways
Oct 16
STL9:35 pmLambert-St Louis
17h 45m
1 stop
OSL10:20 pmOslo Gardermoen
Oct 19
OSL5:05 pmOslo Gardermoen
33h 25m
1 stop
STL7:30 pmLambert-St Louis
$871

Scandinavian Airlines flights from St. Louis to Oslo

Our best Scandinavian Airlines deals on St. Louis to Oslo flight tickets
Scandinavian Airlines
Jun 26
STL1:39 pmLambert-St Louis
19h 56m
2 stops
OSL4:35 pmOslo Gardermoen
Jul 15
OSL5:15 pmOslo Gardermoen
37h 38m
2 stops
STL11:53 pmLambert-St Louis
$1,232
Scandinavian Airlines
Jun 26
STL1:39 pmLambert-St Louis
19h 56m
2 stops
OSL4:35 pmOslo Gardermoen
Jul 15
OSL5:15 pmOslo Gardermoen
37h 38m
2 stops
STL11:53 pmLambert-St Louis
$1,233

momondo 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, momondo users made 832,500 searches. Data last updated May 23, 2026.
Use the filters below to find and compare flights from St. Louis to Oslo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Sat 10/10

2:40 pm-12:00 pm

2 stops38h 20m

Oslo Gardermoen

Fri 10/16

7:50 am-7:30 pm

1 stop18h 40m

$736

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Sat 10/10

2:40 pm-12:00 pm

2 stops38h 20m

Oslo Gardermoen

Fri 10/16

7:50 am-8:08 pm

2 stops19h 18m

$746

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Wed 8/26

4:57 pm-4:35 pm

2 stops16h 38m

Oslo Gardermoen

Tue 9/1

12:50 pm-11:59 pm

2 stops18h 09m

$751

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Wed 8/26

4:57 pm-7:45 pm

2 stops19h 48m

Oslo Gardermoen

Wed 9/2

7:45 am-7:30 pm

1 stop18h 45m

$758

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Wed 8/26

3:30 pm-3:55 pm

1 stop17h 25m

Oslo Gardermoen

Tue 9/1

7:45 am-7:30 pm

1 stop18h 45m

$760

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Thu 6/4

1:13 pm-12:20 pm

2 stops16h 07m

Oslo Gardermoen

Mon 6/8

4:45 pm-1:25 pm

1 stop27h 40m

$783
Quickest round-trip

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Thu 6/4

1:13 pm-12:20 pm

2 stops16h 07m

Oslo Gardermoen

Mon 6/8

6:45 am-3:46 pm

2 stops16h 01m

$801

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Thu 8/27

12:59 pm-3:50 pm

2 stops19h 51m

Oslo Gardermoen

Tue 9/1

7:45 am-7:30 pm

1 stop18h 45m

$815

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Thu 8/27

12:59 pm-6:15 pm

2 stops22h 16m

Oslo Gardermoen

Tue 9/1

12:50 pm-11:59 pm

2 stops18h 09m

$830

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Sat 8/8

5:11 pm-12:05 pm

2 stops35h 54m

Oslo Gardermoen

Thu 8/20

8:30 pm-11:59 pm

2 stops34h 29m

$863

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Oslo from

How to get the cheapest flight ticket from St. Louis to Oslo

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between St. Louis and Oslo?

What is the cheapest month to fly to Oslo?

The month of February is, on average, the cheapest month to fly to Oslo from St. Louis, with most prices found around $478. If you’re not able to fly to Oslo in February, then December is your next best option. Flight prices from St. Louis to Oslo during December average around $525.

Cheap St. Louis to Oslo flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Oslo

Fastest flight time

11h 45m

Direct flights

None
The fastest flight from St. Louis to Oslo takes 11h 45m
There are no direct flights from St. Louis to Oslo. There are no popular flight routes from St. Louis to Oslo.
Search flight deals

Frequently asked questions about flying from St. Louis to Oslo

  • How far is Lambert-St Louis to Oslo by plane?

    Oslo is 4297.5 mi away from Lambert-St Louis. In terms of flight time, this usually takes a little over 11h 45m.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Oslo?

    Prices for flights from Lambert-St Louis Airport to Oslo are refreshed on a daily basis.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Oslo?

  • How old do you have to be to fly from Lambert-St Louis Airport to Oslo?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Oslo.

  • What documentation or ID do you need to fly to Oslo?

    The travel and health documents you'll need for your trip to Oslo may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Oslo. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from St. Louis to Oslo

Compare and see reviews for airlines that fly from St. Louis to Oslo with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $542Free CancellationRating
7.4
9,752 reviews
Search United Airlines flights
LufthansaPriceFrom $581Free CancellationRating
6.8
8,019 reviews
Search Lufthansa flights
British AirwaysPriceFrom $656Free CancellationRating
6.7
7,995 reviews
Search British Airways flights
KLMPriceFrom $685Free CancellationRating
7.8
1,519 reviews
Search KLM flights

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Oslo?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Oslo from St. Louis.

Can I find flights from St. Louis to Oslo with flexible booking policies on momondo?

Yes. All flights to Oslo from St. Louis on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from St. Louis to Oslo?

Once all potential St. Louis to Oslo flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from St. Louis to Oslo right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of St. Louis to Oslo flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Oslo trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 6/22
Mon 6/29
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Norway

Fly into one of these airports located in Oslo

Airports listed have a maximum distance of 53.1 mi from Oslo
Oslo Gardermoen Airport
Oslo Sandefjord Airport