Are direct flights from St. Louis to Oslo always the best option?

Direct flights offer convenience by reducing travel time and avoiding layovers, but they are not always the most economical choice. Flights with connections can sometimes be significantly cheaper, depending on the route and timing. The 'best' option often depends on your priorities for cost versus convenience.

Can flexible travel dates help on St. Louis to Oslo flights?

Yes, being flexible with your travel dates can often lead to finding more affordable flights. Prices can vary significantly between different days of the week or even within the same week. Shifting your departure or return by a day or two may result in notable savings.

What extra costs should I check before booking St. Louis to Oslo flights?

Before booking, always check for potential extra costs such as baggage fees, seat selection charges, and in-flight services. Some airlines may also charge for printing boarding passes at the airport. Understanding these additional fees can help you calculate the true total cost of your trip.

Flights From St. Louis

To Oslo

Cheap Flights from St. Louis to Oslo

Browse current best options from St. Louis. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

St. Louis

RatePunk searches hundreds of travel sites at once for deals on flights to Oslo

Prices updated 6 days ago

406 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Aug 2, 2026.)

Today’s best flight deals from St. Louis to Oslo

Explore current cheapest deals departing from St. Louis to Oslo

2027-02-24 – 2027-02-26
STL - Oslo
85% AI deal score
$915
$731
Round trip
2027-01-27 – 2027-02-03
STL - Oslo
78% AI deal score
$776
$751
Round trip
2027-01-20 – 2027-01-27
STL - Oslo
77% AI deal score
$765
$751
Round trip
2026-12-01 – 2026-12-03
STL - Oslo
77% AI deal score
$854
$774
Round trip
2027-01-26 – 2027-02-02
STL - Oslo
76% AI deal score
$768
$791
Round trip
2026-09-07 – 2026-09-21
STL - Oslo
73% AI deal score
$694
$805
Round trip
2027-01-22 – 2027-01-29
STL - Oslo
76% AI deal score
$768
$809
Round trip
2027-01-15 – 2027-01-22
STL - Oslo
76% AI deal score
$766
$809
Round trip
2026-08-19 – 2026-08-26
STL - Oslo
76% AI deal score
$804
$830
Round trip
2026-09-13 – 2026-09-20
STL - Oslo
73% AI deal score
$727
$837
Round trip

St. Louis to Oslo: Overview

Insights for flights from St. Louis to Oslo

A typical journey from St. Louis to Oslo takes about 46h 42m, including connections. This is a significant travel time, reflecting the long-haul nature of the route and the necessity of multiple stopovers. Given that most itineraries connect at least once, travelers should plan for a substantial amount of time in transit.

For those seeking cheap flights from St. Louis to Oslo, prices typically range from $932–$1211, with a median of $1051. Right now, fares are near the typical level for this route. However, the share of recent fares classified as a good price is 0%, indicating that finding exceptional value may require careful timing and flexibility. Deals are infrequent, so setting up a price alert could be beneficial.

When is the cheapest time to fly from St. Louis to Oslo? The most affordable month to fly is typically April, with a median fare of $901. Following closely, May offers a median fare of $1022, and March presents a median of $1071. These months generally provide more economical options compared to other times of the year.

Most itineraries for flights from St. Louis to Oslo connect at least once, with 0% of recent fares being non-stop. When connections are necessary, the typical number of stopovers is 2. This means you should expect to make multiple stops on your journey to Oslo, adding to the overall travel time.

The distance between St. Louis and Oslo is approximately 6919 km, classifying this as a long-haul route. This considerable distance necessitates longer flight times and typically involves multiple connections, as reflected in the median journey duration.

How much is a round trip from St. Louis to Oslo

Regular price: $706 - $1,059

Prices are currently within the regular range for flights from St. Louis to Oslo.

The regular price range for flights from St. Louis to Oslo is between $706 and $1059. The current lowest deal is $726 via kayak for travel from Jan 31-Feb 3.

now $726

Low $706

High $1,059

The cheapest time to fly from St. Louis to Oslo

The cheapest month to fly from St. Louis to Oslo is April, with a median price of $901. The most expensive month is July, with a median price of $1733. Prices are generally lower from March to May.

April

Cheapest

Flights from $901

July

Most Expensive

Flights from $1,733

Mar

Apr

May

Jun

Jul

Direct flights from St. Louis to Oslo

Icelandair

United Airlines

Southern Airways

Frontier Airlines

Last-minute flights going from St. Louis to Oslo

Mon, Jul 27

⌛ Last-Minute

STL - Oslo

St. Louis (STL) - Oslo (OSL)

United Airlines

$827

$1,120

One-way

Mon, Jul 27

⌛ Last-Minute

STL - Oslo

St. Louis (STL) - Oslo (OSL)

$962

$1,207

One-way

Mon, Jul 27

⌛ Last-Minute

STL - Oslo

St. Louis (STL) - Oslo (OSL)

Lufthansa

$949

$2,128

One-way

Fri, Aug 7

⌛ Last-Minute

STL - Oslo

St. Louis (STL) - Oslo (OSL)

Frontier Airlines

$770

$961

One-way

Mon, Aug 10

⌛ Last-Minute

STL - Oslo

St. Louis (STL) - Oslo (OSL)

Frontier Airlines

$746

$777

One-way

Mon, Aug 10

⌛ Last-Minute

STL - Oslo

St. Louis (STL) - Oslo (OSL)

Lufthansa

$742

$820

One-way

Biggest price drops on these dates for flights from St. Louis to Oslo

2 nights

Dec 2 - Dec 4

$854 → $735

14%

2 nights

Dec 1 - Dec 3

$854 → $740

13%

6 nights

Dec 3 - Dec 9

$840 → $796

13 nights

Oct 21 - Nov 3

$728 → $725

Popular Airports to fly from St. Louis to Oslo

St. Louis - Oslo route insights

💸 Price insights

Recent fares are near the typical level

Recent fares from St. Louis to Oslo are near the typical level at $726.

📅 Best time to fly

April is historically cheapest

Historically, April is the cheapest month to fly, with a median price of $901.

⏱️ Flight duration

Long-haul flights with 2+ stopovers

Flights to Oslo typically take 46h 42m, with 2 or more stopovers on connecting flights.

✈️ Airlines & availability

Connecting flights only

There are no direct flights available; all routes include connecting flights.

🏆 Airline highlight

Icelandair offers connecting flights

Icelandair has historically offered connecting flights from St. Louis to Oslo.

🎯 Booking tip

Deals are rare for this route

Deals for flights from St. Louis to Oslo are historically rare.

St. Louis main airports to depart from

St. Louis Lambert International (STL)

Cheapest

St. Louis Lambert International is often the cheapest option for flights from St. Louis to Oslo.

📍 ~20 km from St. Louis (reachable by car or train)

💸 Flights from ~$737

Oslo main airports to arrive at

Oslo Airport, Gardermoen (OSL)

Cheapest

Oslo Airport, Gardermoen is a convenient arrival airport for your trip to Oslo.

📍 ~35 km from Oslo (reachable by car, bus, train)

💸 Flights from ~$737

Airports nearby Oslo used as alternative

Oslo Airport, Gardermoen (OSL)

Cheapest

Oslo Airport, Gardermoen (OSL) is the primary international hub for Oslo and offers the widest range of flights.

📍 ~35 km from destination city (reachable by car, train, or bus)

💸 Flights from ~$737

Business & First Class Flight Deals to Oslo

89% AI deal score

$5,370

$3,839

Save $1,531

Frequently Asked Questions About Flights to Oslo

To find more affordable flights, consider being flexible with your travel dates and times. Comparing prices across different booking sites and setting up price alerts can often help you discover better deals. Looking into flights with layovers may also present lower-cost options.

Booking flights in advance is often recommended, as prices can sometimes increase closer to the departure date. However, prices can fluctuate, so monitoring trends and booking when you see a favorable price may be beneficial. There isn't a single 'best' time, as it can vary.

Comparing nearby airports can sometimes lead to more affordable flight options or different schedules. While it may require additional travel to and from these airports, the potential savings on airfare can make it a worthwhile consideration. Always factor in the total cost and convenience.

St. Louis to Oslo: Overview

Insights for flights from St. Louis to Oslo

How much is a round trip from St. Louis to Oslo

Regular price: $706 - $1,059

Prices are currently within the regular range for flights from St. Louis to Oslo.

The regular price range for flights from St. Louis to Oslo is between $706 and $1059. The current lowest deal is $726 via kayak for travel from Jan 31-Feb 3.

now $726

Low $706

High $1,059

The cheapest time to fly from St. Louis to Oslo

The cheapest month to fly from St. Louis to Oslo is April, with a median price of $901. The most expensive month is July, with a median price of $1733. Prices are generally lower from March to May.

April

Cheapest

Flights from $901

July

Most Expensive

Flights from $1,733

Mar

Apr

May

Jun

Jul