What are the cheapest airlines to fly from Iceland to St. Louis one-way?

$462 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Delta and Air Canada, with prices starting from $757 and $3,192, respectively.

What is the cheapest month to book a flight from Iceland to St. Louis?

Currently, August is the cheapest month in which you can book a flight from Iceland to St. Louis (average of $311). Flying from Iceland 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.

What is the cheapest time of day to fly from IS to STL?

When flying from Iceland to St. Louis, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What airport do you fly into for flights to St. Louis from Iceland?

Lambert-St Louis (STL), located 12.7 mi from the city center, is the airport you fly into when you book flights from Iceland to St. Louis.

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

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

How can I find direct flights from Iceland to St. Louis?

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

Can I find deals for business class flights from Iceland to St. Louis?

Yes. Cheapflights offers flight deals from Iceland 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.

$1,144+ Flights from Iceland to St. Louis

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Cheap flight deals from Iceland to St. Louis

Round-trip from	$752 (United Airlines)
One-way from	$462 (Cheapflightsfares)

From Iceland to Lambert-St Louis

Search Deals

One-way flight from Iceland to Lambert-St Louis

Search Deals

Find flight deals from Iceland to St. Louis

Cheapest flights from Iceland to St. Louis
Explore the most affordable flight options available from Iceland to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.

Sat 6/712:00 pmKEF - STL

2 stops27h 39mUnited Airlines

Sat 6/145:20 amSTL - KEF

2 stops22h 10mUnited Airlines

Deal found 4/23

$752

Fri 6/612:10 amKEF - STL

2 stops24h 48mMultiple Airlines

Sat 6/141:30 pmSTL - KEF

2 stops37h 45mMultiple Airlines

Deal found 4/23

$886

Best flights from Iceland to St. Louis
Discover carefully curated flight deals from Iceland to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 24, 2025.

Sat 6/712:00 pmKEF - STL

2 stops27h 39mUnited Airlines

Sat 6/145:20 amSTL - KEF

2 stops22h 10mUnited Airlines

Deal found 4/23

$752

Fri 6/612:10 amKEF - STL

2 stops24h 48mMultiple Airlines

Sat 6/141:30 pmSTL - KEF

2 stops37h 45mMultiple Airlines

Deal found 4/23

$886

One-way flights from Iceland to St. Louis
Search for one-way flight options from Iceland to St. Louis. Find affordable one-way fares based on user searches. Data last updated April 24, 2025.

Wed 8/139:35 amKEF - STL

2 stops15h 55mWestJet

Deal found 4/23

$462

Wed 8/139:30 amKEF - STL

1 stop9h 46mDelta

Deal found 4/23

$757

Tue 8/121:30 amKEF - STL

2 stops27h 19mMultiple Airlines

Deal found 4/23

$1,140

Wed 8/139:30 amKEF - STL

3 stops17h 05mAir Canada

Deal found 4/23

$3,192

Cheapflights Fare Finder

Use the filters below to find and compare flights from Iceland to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ReykjavikSt. Louis

KEF - STL

KEFSTL

Reykjavik Keflavik Intl

Sat 6/7

12:00 pm-10:39 am

2 stops27h 39m

Lambert-St Louis

Sat 6/14

5:20 am-8:30 am

2 stops22h 10m

$752

ReykjavikSt. Louis

KEF - STL

KEFSTL

Reykjavik Keflavik Intl

Fri 6/6

12:10 am-7:58 pm

2 stops24h 48m

Lambert-St Louis

Sat 6/14

1:30 pm-8:15 am

2 stops37h 45m

$886

ReykjavikSt. Louis

KEF - STL

KEFSTL

Reykjavik Keflavik Intl

Wed 8/13

9:35 am-8:30 pm

2 stops15h 55m

$462

ReykjavikSt. Louis

KEF - STL

KEFSTL

Reykjavik Keflavik Intl

Wed 8/13

9:30 am-2:16 pm

1 stop9h 46m

$757

ReykjavikSt. Louis

KEF - STL

KEFSTL

Reykjavik Keflavik Intl

Tue 8/12

1:30 am-11:49 pm

2 stops27h 19m

$1,140

ReykjavikSt. Louis

KEF - STL

KEFSTL

Reykjavik Keflavik Intl

Wed 8/13

9:30 am-9:35 pm

3 stops17h 05m

$3,192

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Best time to book a flight from Iceland to St. Louis

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

Rainfall in St. Louis 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

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

Delta

8.0

Very good

7,920 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta

8.0

Very good

7,920 reviews

Delta

8.0

Very good

7,920 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines

7.4

Good

8,685 reviews

Delta

8.0

Very good

7,920 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

WestJet

7.2

Good

2,816 reviews

Delta

8.0

Very good

7,920 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air Canada

7.0

Good

9,195 reviews

Delta

8.0

Very good

7,920 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

What airport do you fly into for flights to St. Louis from Iceland?
Lambert-St Louis (STL), located 12.7 mi from the city center, is the airport you fly into when you book flights from Iceland to St. Louis.
What are the cheapest airlines to fly from Iceland to St. Louis one-way?
$462 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Delta and Air Canada, with prices starting from $757 and $3,192, respectively.
Can I find deals for flights from Iceland to St. Louis that include hotel bookings?
Yes. In addition to deals on Iceland to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Iceland to St. Louis?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Iceland to St. Louis.
Can I find deals for business class flights from Iceland to St. Louis?
Yes. Cheapflights offers flight deals from Iceland 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.
What is the cheapest month to book a flight from Iceland to St. Louis?
Currently, August is the cheapest month in which you can book a flight from Iceland to St. Louis (average of $311). Flying from Iceland 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

Fenton

Maryland Heights

Fairview Heights

Collinsville

Wentzville

Eureka

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Glencoe

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$462+ Cheap flights from Iceland to St. Louis (STL)

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 8/13. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Iceland to St. Louis with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Iceland to St. Louis

Keep the following information in mind while searching for Iceland to St. Louis flight deals. Data was last updated April 24, 2025.

Round-trip from

One-way from

Find flight deals from Iceland to St. Louis

Cheapest flights from Iceland to St. LouisExplore the most affordable flight options available from Iceland to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.

Explore the most affordable flight options available from Iceland to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Iceland to St. Louis that are best for you.

Best time to book a flight from Iceland to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Iceland with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Iceland to St. Louis

Rainfall in St. Louis by month

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

Temperature in St. Louis by month

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

Reviews of airlines servicing St. Louis

Related info for your journey

Find useful and relevant information for your journey from Iceland 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 Iceland?

What are the cheapest airlines to fly from Iceland to St. Louis one-way?

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

How can I find direct flights from Iceland to St. Louis?

Can I find deals for business class flights from Iceland to St. Louis?

What is the cheapest month to book a flight from Iceland to St. Louis?

Traveling to a place near Iceland?

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Alternative routes for Iceland to St. Louis

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Travel Smart

Cheapest flights from Iceland to St. Louis
Explore the most affordable flight options available from Iceland to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.