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$923+ Cheap flights from Keflavik Intl (KEF) to St. Louis (STL)

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 12/25. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — STL
Nov 5 — Nov 121
Tue 11/5
Tue 11/12
1 adult, Economy
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Find flight deals from Keflavik Intl to St. Louis

Cheapest flights from Keflavik Intl to St. Louis
Explore the most affordable flight options available from Keflavik Intl to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 31, 2024.

This SmartFares deal was found by Cheapflights users on 10/30. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/257:35 amKEF - STL
2 stops22h 05mScandinavian Airlines
Wed 1/112:55 pmSTL - KEF
2 stops21h 45mScandinavian Airlines
Deal found 10/30$923
This SmartFares deal was found by Cheapflights users on 10/30. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/255:05 pmKEF - STL
1 stop26h 22mMultiple Airlines
Wed 1/17:00 amSTL - KEF
1 stop17h 15mMultiple Airlines
Deal found 10/30$1,096
This SmartFares deal was found by Cheapflights users on 10/30. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/153:15 pmKEF - STL
2 stops38h 13mLufthansa
Sat 12/2111:30 amSTL - KEF
2 stops20h 45mLufthansa
Deal found 10/30$2,023

Find flights from Keflavik Intl to St. Louis within your budget

Customize your flight search to find flights from Keflavik Intl to St. Louis 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 2,570,725 searches. Data last updated October 31, 2024.

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Price

ReykjavikSt. Louis

KEF - STL

KEFSTL

Reykjavik Keflavik Intl

Wed 12/25

7:35 am-11:40 pm

2 stops22h 05m

Lambert-St Louis

Wed 1/1

12:55 pm-4:40 pm

2 stops21h 45m

$923

ReykjavikSt. Louis

KEF - STL

KEFSTL

Reykjavik Keflavik Intl

Wed 12/25

5:05 pm-1:27 pm

1 stop26h 22m

Lambert-St Louis

Wed 1/1

7:00 am-6:15 am

1 stop17h 15m

$1,096

ReykjavikSt. Louis

KEF - STL

KEFSTL

Reykjavik Keflavik Intl

Sun 12/15

3:15 pm-11:28 pm

2 stops38h 13m

Lambert-St Louis

Sat 12/21

11:30 am-2:15 pm

2 stops20h 45m

$2,023

Flights are sorted by cheapest first

Deals found on 10/30

Best time to book a flight from Keflavik Intl to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Keflavik Intl 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.

Travel insights for flights from Keflavik Intl to St. Louis

Get recent, data-driven insights about flights from Keflavik Intl to St. Louis including ideal travel times, pricing trends, and more.

Rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature totals by month.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated October 31, 2024.
Scandinavian Airlines
7.3
Good
1,300 reviews

Comfort

7.2

Crew

7.9

Boarding

7.6

Entertainment

6.6

Overall

7.3

Food

6.6

Reviews

1 / 10

The kayak agent booked the incorrect return date and I was on hold for hrs without anyone being able to help me change it. Will never use kayak to book travel again.

Scandinavian Airlines
7.3
Good
1,300 reviews
Scandinavian Airlines
7.3
Good
1,300 reviews

Comfort

7.2

Crew

7.9

Boarding

7.6

Entertainment

6.6

Overall

7.3

Food

6.6

Reviews

1 / 10

The kayak agent booked the incorrect return date and I was on hold for hrs without anyone being able to help me change it. Will never use kayak to book travel again.

Lufthansa
6.8
Okay
7,182 reviews
Scandinavian Airlines
7.3
Good
1,300 reviews

Comfort

7.2

Crew

7.9

Boarding

7.6

Entertainment

6.6

Overall

7.3

Food

6.6

Reviews

1 / 10

The kayak agent booked the incorrect return date and I was on hold for hrs without anyone being able to help me change it. Will never use kayak to book travel again.

Related info for your journey

Find useful and relevant information for your journey from Keflavik Intl to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to St. Louis from Reykjavik Keflavik Intl?

    If you book a flight to St. Louis from Reykjavik Keflavik Intl, you will be flying to Lambert-St Louis, which is the city’s only airport. Lambert-St Louis (STL) is located 12.7 mi from the center of St. Louis. There are 0 flights from Reykjavik Keflavik Intl to Lambert-St Louis per day from 0 different airlines.

  • Can I find flights from Reykjavik Keflavik Intl Airport to St. Louis for under $1,000 on Cheapflights?

    Yes, there are multiple flights from Reykjavik Keflavik Intl Airport to St. Louis for under $1,000. The cheapest flight booked recently is on Scandinavian Airlines for just $923, but on average you can expect to pay $1,347.

  • What does KEF to STL mean?

    Reykjavik Keflavik Intl Airport is KEF and Lambert-St Louis Airport is STL. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service.

  • Can I find deals for flights from Keflavik Intl to St. Louis that include extra baggage allowance?

    The amount of baggage you can bring on your Keflavik Intl to St. Louis flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Keflavik Intl to St. Louis with specific airlines?

    Yes, Cheapflights allows you to browse and filter Keflavik Intl to St. Louis flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Keflavik Intl to St. Louis that include hotel bookings?

    Yes. In addition to deals on Keflavik Intl to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Keflavik Intl to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Keflavik Intl to St. Louis.

  • Can I find deals for business class flights from Keflavik Intl to St. Louis?

    Yes. Cheapflights offers flight deals from Keflavik Intl to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Keflavik Intl to St. Louis that allow pets onboard?

    Many airlines flying from Keflavik Intl to St. Louis offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Keflavik Intl to St. Louis?

    Yes, you can often find last-minute deals on Keflavik Intl to St. Louis flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Reykjavik Keflavik Intl Airport to St. Louis flight deals updated?

    The Reykjavik Keflavik Intl Airport to St. Louis flight deals you see on this page were last updated on 10/30.

  • What is the cheapest month to book a flight from Reykjavik Keflavik Intl Airport to St. Louis?

    Currently, September is the cheapest month in which you can book a flight from Reykjavik Keflavik Intl Airport to St. Louis (average of $308). Flying from Reykjavik Keflavik Intl Airport to St. Louis in March is currently the most expensive (average of $356). 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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