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Cheap flights from St. Louis (STL) to Keflavik Intl (KEF) from $259

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 9/19. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
STL — KEF
Jun 5 — Jun 121
From?
To?
Wed 6/5
Wed 6/12
1 adult, Economy
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Cheap flight deals from St. Louis to Keflavik Intl

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Keflavik Intl (KEF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 31, 2024.

Popular in

December

Cheapest in

September

Average price

$969

Round-trip from

$336
High demand for flights, 57% potential price rise
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Best time to find cheap flights, 32% potential price drop
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Average for round-trip flights in May 2024
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From Lambert-St Louis to Reykjavik Keflavik Intl
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What is the cheapest day to fly round-trip from St. Louis to Reykjavik Keflavik Intl Airport?

Users have found that leaving on a Tuesday can be a cost-effective option. It’s possible to save up to 55% on your flight compared to booking on days when demand is much higher.

How far in advance should I book a flight from St. Louis to Reykjavik Keflavik Intl Airport?

Find a great deal and save up to 38% by booking at least 42 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from St. Louis to Reykjavik Keflavik Intl Airport within the next two weeks, with the cheapest ticket starting at $1,053.

What is the cheapest month to fly from St. Louis to Reykjavik Keflavik Intl Airport?

The best pricing can be found in the month of February. Prices to Reykjavik Keflavik Intl Airport from St. Louis average $1,082. You can even find prices in February for less than $1,082, as users have found deals to Reykjavik Keflavik Intl Airport from as low as $784. The month of November appears to be one of the more expensive times to travel to Reykjavik Keflavik Intl Airport from St. Louis. Flying in the targeted month can save you up to 50%.

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

When flying from St. Louis to Reykjavik Keflavik Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 11% versus a flight at noon.

Cheap United Airlines flights from St. Louis to Keflavik Intl

Explore cheap flight options specifically provided by United Airlines for the route between St. Louis and Keflavik Intl. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,765,679 searches. Data last updated May 31, 2024.
Take a peek at the cheapest United Airlines flights we've detected traveling from St. Louis to Reykjavik. Be sure to come back soon if the deals available don't appeal to you at this time.
Wed 10/168:05 amSTL - KEF
2 stops17h 55mUnited Airlines
Thu 10/2411:00 amKEF - STL
2 stops16h 15mUnited Airlines
Deal found 5/29$641
Mon 9/911:10 amSTL - KEF
1 stop16h 20mUnited Airlines
Mon 9/169:45 amKEF - STL
2 stops35h 20mUnited Airlines
Deal found 5/30$660
Mon 9/96:34 amSTL - KEF
2 stops19h 26mUnited Airlines
Mon 9/169:45 amKEF - STL
2 stops35h 20mUnited Airlines
Deal found 5/30$664
Thu 9/129:05 amSTL - KEF
2 stops18h 25mUnited Airlines
Wed 9/1810:00 amKEF - STL
2 stops17h 56mUnited Airlines
Deal found 5/30$762
Thu 6/271:10 pmSTL - KEF
1 stop14h 20mUnited Airlines
Thu 7/412:00 pmKEF - STL
2 stops15h 37mUnited Airlines
Deal found 5/30$946
Fri 6/75:31 pmSTL - KEF
1 stop9h 59mUnited Airlines
Tue 6/1812:00 pmKEF - STL
1 stop10h 12mUnited Airlines
Deal found 5/30$1,073
Fri 6/71:10 pmSTL - KEF
2 stops12h 50mUnited Airlines
Tue 6/1812:00 pmKEF - STL
1 stop10h 12mUnited Airlines
Deal found 5/30$1,077
Thu 6/66:30 amSTL - KEF
1 stop21h 00mUnited Airlines
Thu 6/1311:00 amKEF - STL
2 stops35h 12mUnited Airlines
Deal found 5/31$1,164
Sun 6/1611:38 amSTL - KEF
2 stops14h 22mUnited Airlines
Sat 6/2211:00 amKEF - STL
2 stops13h 42mUnited Airlines
Deal found 5/30$1,217

Cheap Air Canada flights from St. Louis to Keflavik Intl

Explore cheap flight options specifically provided by Air Canada for the route between St. Louis and Keflavik Intl. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,765,679 searches. Data last updated May 31, 2024.
To aid your search, here are some of the cheapest Air Canada flights we've found from St. Louis to Reykjavik. Deals are refreshing constantly so come back soon for more options.
Thu 9/1212:00 pmSTL - KEF
2 stops39h 35mAir Canada
Wed 9/1810:00 amKEF - STL
2 stops34h 49mAir Canada
Deal found 5/30$695
Thu 9/1212:00 pmSTL - KEF
2 stops39h 35mAir Canada
Wed 9/1810:00 amKEF - STL
1 stop10h 20mAir Canada
Deal found 5/30$707
Tue 8/133:10 pmSTL - KEF
2 stops36h 25mAir Canada
Mon 8/199:45 amKEF - STL
2 stops31h 37mAir Canada
Deal found 5/29$720
Tue 7/911:30 amSTL - KEF
2 stops40h 05mAir Canada
Mon 7/1510:00 amKEF - STL
2 stops34h 40mAir Canada
Deal found 5/30$766
Wed 7/244:05 pmSTL - KEF
2 stops35h 30mAir Canada
Fri 8/210:00 amKEF - STL
2 stops16h 05mAir Canada
Deal found 5/30$770
Wed 7/244:05 pmSTL - KEF
2 stops35h 30mAir Canada
Wed 7/3110:00 amKEF - STL
2 stops40h 05mAir Canada
Deal found 5/29$772
Fri 7/510:10 amSTL - KEF
2 stops17h 25mAir Canada
Thu 7/1110:00 amKEF - STL
1 stop16h 05mAir Canada
Deal found 5/30$778
Fri 7/510:10 amSTL - KEF
2 stops17h 25mAir Canada
Thu 7/1110:00 amKEF - STL
2 stops34h 21mAir Canada
Deal found 5/30$784
Fri 7/511:30 amSTL - KEF
1 stop16h 05mAir Canada
Thu 7/1110:00 amKEF - STL
1 stop16h 05mAir Canada
Deal found 5/30$794

Cheap St. Louis to Keflavik Intl flights in May & June 2024

Find cheap flight options from St. Louis to Keflavik Intl specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,765,679 searches. Prices were last updated on May 31, 2024.
These are some of the most attractive deals on flights from St. Louis to Reykjavik in 2024. Check back soon for alternative fares.
Tue 6/189:50 amSTL - KEF
1 stop17h 45mAir Canada
Wed 6/2610:00 amKEF - STL
2 stops31h 17mAir Canada
Deal found 5/30$813
Tue 6/189:50 amSTL - KEF
1 stop17h 45mAir Canada
Wed 6/2610:00 amKEF - STL
1 stop15h 01mAir Canada
Deal found 5/30$825
Tue 6/185:31 pmSTL - KEF
2 stops34h 04mAir Canada
Wed 6/2610:00 amKEF - STL
2 stops31h 17mAir Canada
Deal found 5/30$862
Sat 6/811:00 amSTL - KEF
2 stops40h 35mAir Canada
Sun 6/169:45 amKEF - STL
2 stops34h 56mAir Canada
Deal found 5/30$863
Thu 6/68:12 pmSTL - KEF
2 stops27h 38mMultiple Airlines
Thu 6/139:35 amKEF - STL
2 stops33h 41mMultiple Airlines
Deal found 5/31$874
Sat 6/84:05 pmSTL - KEF
2 stops35h 30mAir Canada
Sun 6/169:45 amKEF - STL
1 stop16h 20mAir Canada
Deal found 5/30$875
Thu 6/2711:00 amSTL - KEF
2 stops16h 35mAir Canada
Thu 7/410:00 amKEF - STL
2 stops31h 17mAir Canada
Deal found 5/30$892
Fri 6/75:31 pmSTL - KEF
2 stops34h 04mAir Canada
Tue 6/189:45 amKEF - STL
2 stops33h 29mAir Canada
Deal found 5/30$895
Sat 6/811:00 amSTL - KEF
1 stop16h 35mAir Canada
Sun 6/169:45 amKEF - STL
1 stop16h 20mAir Canada
Deal found 5/30$898

St. Louis to Keflavik Intl 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and Keflavik Intl in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,765,679 searches. Data last updated May 31, 2024.
These are some of the most attractive deals on flights from St. Louis to Reykjavik in 2024. Check back soon for alternative fares.
Thu 9/126:24 pmSTL - KEF
2 stops29h 31mMultiple Airlines
Wed 9/183:05 pmKEF - STL
3 stops31h 25mMultiple Airlines
Deal found 5/30$585
Mon 9/94:31 pmSTL - KEF
3 stops31h 14mMultiple Airlines
Mon 9/163:50 pmKEF - STL
3 stops26h 47mMultiple Airlines
Deal found 5/30$623
Wed 10/168:05 amSTL - KEF
2 stops17h 55mUnited Airlines
Thu 10/2411:00 amKEF - STL
2 stops16h 15mUnited Airlines
Deal found 5/29$641
Mon 9/911:10 amSTL - KEF
1 stop16h 20mUnited Airlines
Mon 9/169:45 amKEF - STL
2 stops35h 20mUnited Airlines
Deal found 5/30$660
Mon 9/96:34 amSTL - KEF
2 stops19h 26mUnited Airlines
Mon 9/169:45 amKEF - STL
2 stops35h 20mUnited Airlines
Deal found 5/30$664
Mon 10/1410:00 amSTL - KEF
2 stops18h 30mDelta
Mon 10/218:50 amKEF - STL
2 stops29h 01mDelta
Deal found 5/31$676
Mon 9/99:30 amSTL - KEF
1 stop18h 00mMultiple Airlines
Mon 9/1610:00 amKEF - STL
1 stop15h 00mMultiple Airlines
Deal found 5/30$677
Thu 9/56:34 amSTL - KEF
1 stop20h 56mMultiple Airlines
Sun 9/159:45 amKEF - STL
2 stops34h 35mMultiple Airlines
Deal found 5/30$687
Mon 10/146:30 amSTL - KEF
2 stops18h 50mDelta
Mon 10/218:50 amKEF - STL
2 stops29h 01mDelta
Deal found 5/30$691

St. Louis to Keflavik Intl flights leaving soon

Find last-minute flight options from St. Louis to Keflavik Intl for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,765,679 searches. Data last updated May 31, 2024.
Have a look at some of the last-minute flights available departing from St. Louis to Reykjavik. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.
Sat 6/811:00 amSTL - KEF
2 stops40h 35mAir Canada
Sun 6/169:45 amKEF - STL
2 stops34h 56mAir Canada
Deal found 5/30$863
Thu 6/68:12 pmSTL - KEF
2 stops27h 38mMultiple Airlines
Thu 6/139:35 amKEF - STL
2 stops33h 41mMultiple Airlines
Deal found 5/31$874
Sat 6/84:05 pmSTL - KEF
2 stops35h 30mAir Canada
Sun 6/169:45 amKEF - STL
1 stop16h 20mAir Canada
Deal found 5/30$875
Fri 6/75:31 pmSTL - KEF
2 stops34h 04mAir Canada
Tue 6/189:45 amKEF - STL
2 stops33h 29mAir Canada
Deal found 5/30$895
Sat 6/811:00 amSTL - KEF
1 stop16h 35mAir Canada
Sun 6/169:45 amKEF - STL
1 stop16h 20mAir Canada
Deal found 5/30$898
Thu 6/66:22 pmSTL - KEF
3 stops32h 53mMultiple Airlines
Thu 6/139:35 amKEF - STL
2 stops33h 41mMultiple Airlines
Deal found 5/31$938
Fri 6/75:31 pmSTL - KEF
2 stops34h 04mMultiple Airlines
Mon 6/1712:25 amKEF - STL
2 stops19h 56mMultiple Airlines
Deal found 5/30$940
Thu 6/66:22 pmSTL - KEF
3 stops32h 53mMultiple Airlines
Thu 6/139:35 amKEF - STL
3 stops32h 06mMultiple Airlines
Deal found 5/31$1,023
Fri 6/75:31 pmSTL - KEF
1 stop9h 59mUnited Airlines
Tue 6/1812:00 pmKEF - STL
1 stop10h 12mUnited Airlines
Deal found 5/30$1,073

One-way flights to Keflavik Intl from St. Louis

Search for one-way flight options from St. Louis to Keflavik Intl. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,765,679 searches. Data last updated May 31, 2024.
Users traveling one-way from St. Louis to Reykjavik can select one of these great deals. Those seeking round-trip flights from St. Louis to Reykjavik should utilize the search form at the the top of the page.
Thu 9/196:24 pmSTL - KEF
2 stops29h 31mMultiple Airlines
Deal found 5/30$259
Sun 9/297:29 pmSTL - KEF
2 stops31h 46mMultiple Airlines
Deal found 5/29$309
Sun 9/2912:00 pmSTL - KEF
1 stop15h 35mAir Canada
Deal found 5/29$384
Mon 9/3010:10 amSTL - KEF
1 stop15h 10mDelta
Deal found 5/29$389
Wed 10/24:05 pmSTL - KEF
1 stop11h 30mAir Canada
Deal found 5/29$390
Thu 9/1912:00 pmSTL - KEF
1 stop15h 35mUnited Airlines
Deal found 5/30$434
Thu 9/196:18 pmSTL - KEF
3 stops32h 57mMultiple Airlines
Deal found 5/30$439
Thu 10/310:10 amSTL - KEF
2 stops17h 25mAir Canada
Deal found 5/29$440
Fri 10/47:15 pmSTL - KEF
2 stops30h 05mDelta
Deal found 5/29$444

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

Customize your flight search to find flights from St. Louis to Keflavik Intl 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 2,765,679 searches. Data last updated May 31, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$585 - $1,210

Route

Depart

Return

Price

Lambert-St LouisReykjavik Keflavik Intl

STL - KEF

STLKEF

Lambert-St Louis

Thu 9/12

2 stops29h 31m

Reykjavik Keflavik Intl

Wed 9/18

3 stops31h 25m

$585

Lambert-St LouisReykjavik Keflavik Intl

STL - KEF

STLKEF

Lambert-St Louis

Mon 9/9

3 stops31h 14m

Reykjavik Keflavik Intl

Mon 9/16

3 stops26h 47m

$623

Lambert-St LouisReykjavik Keflavik Intl

STL - KEF

STLKEF

Lambert-St Louis

Wed 10/16

2 stops17h 55m

Reykjavik Keflavik Intl

Thu 10/24

2 stops16h 15m

$641

Lambert-St LouisReykjavik Keflavik Intl

STL - KEF

STLKEF

Lambert-St Louis

Mon 10/14

2 stops18h 50m

Reykjavik Keflavik Intl

Mon 10/21

2 stops29h 01m

$691

Lambert-St LouisReykjavik Keflavik Intl

STL - KEF

STLKEF

Lambert-St Louis

Thu 9/12

2 stops39h 35m

Reykjavik Keflavik Intl

Wed 9/18

2 stops34h 49m

$695

Lambert-St LouisReykjavik Keflavik Intl

STL - KEF

STLKEF

Lambert-St Louis

Wed 10/2

2 stops22h 45m

Reykjavik Keflavik Intl

Wed 10/9

2 stops36h 23m

$742

Lambert-St LouisReykjavik Keflavik Intl

STL - KEF

STLKEF

Lambert-St Louis

Tue 8/13

1 stop11h 04m

Reykjavik Keflavik Intl

Mon 8/19

1 stop12h 33m

$782

Lambert-St LouisReykjavik Keflavik Intl

STL - KEF

STLKEF

Lambert-St Louis

Sat 8/10

2 stops25h 00m

Reykjavik Keflavik Intl

Fri 8/16

2 stops20h 15m

$1,084

Lambert-St LouisReykjavik Keflavik Intl

STL - KEF

STLKEF

Lambert-St Louis

Sat 10/19

2 stops45h 30m

Reykjavik Keflavik Intl

Thu 10/31

2 stops38h 41m

$1,210

Flights are sorted by cheapest first

Deals found on 5/30

How far ahead should I book a flight from St. Louis to Reykjavik Keflavik Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Keflavik Intl. Price data was last updated on May 24, 2024.
To ensure you get the cheapest price possible for a flight from St. Louis to Reykjavik Keflavik Intl Airport, you should look to book at least 28 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
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What is the cheapest day to fly from St. Louis to Reykjavik Keflavik Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Keflavik Intl. Price data was last updated on May 26, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their St. Louis to Reykjavik Keflavik Intl Airport flight should consider departing on Wednesday at noon when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

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

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

Temperature and rainfall in Keflavik Intl by month

Plan your trip to Keflavik Intl by taking into account the average temperature and rainfall totals by month.

KEF

Temperature

32 - 51.8 °F

Reviews of airlines servicing Keflavik Intl

Get insights into the airlines that provide service to Keflavik Intl. 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 Keflavik Intl. Reviews last updated May 31, 2024.
To help decide which airline to fly from St. Louis to Reykjavik, see what other customers have to say about United Airlines, Air Canada and Lufthansa. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
10,438 reviews
Check prices

Comfort

7.9

Boarding

8.2

Crew

8.6

Food

7.4

Entertainment

8.0

Overall

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Delta
8.0
Very good
10,438 reviews
Delta
8.0
Very good
10,438 reviews
Check prices

Comfort

7.9

Boarding

8.2

Crew

8.6

Food

7.4

Entertainment

8.0

Overall

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Austrian Airlines
7.7
Good
1,023 reviews
Delta
8.0
Very good
10,438 reviews
Check prices

Comfort

7.9

Boarding

8.2

Crew

8.6

Food

7.4

Entertainment

8.0

Overall

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Air France
7.5
Good
1,730 reviews
Delta
8.0
Very good
10,438 reviews
Check prices

Comfort

7.9

Boarding

8.2

Crew

8.6

Food

7.4

Entertainment

8.0

Overall

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

United Airlines
7.4
Good
10,778 reviews
Delta
8.0
Very good
10,438 reviews
Check prices

Comfort

7.9

Boarding

8.2

Crew

8.6

Food

7.4

Entertainment

8.0

Overall

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

American Airlines
7.3
Good
14,282 reviews
Delta
8.0
Very good
10,438 reviews
Check prices

Comfort

7.9

Boarding

8.2

Crew

8.6

Food

7.4

Entertainment

8.0

Overall

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Keflavik Intl. 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 from for flights from St. Louis to Reykjavik Keflavik Intl?

    Located just 12.7 mi from the city center, Lambert-St Louis is the airport most travelers will use when flying to Reykjavik Keflavik Intl from St. Louis. Booking flights from Lambert-St Louis (STL) to Reykjavik Keflavik Intl should be relatively easy as there are 0 daily outbound flights to Reykjavik Keflavik Intl from 4 different airlines.

  • Can I find flights from St. Louis to Reykjavik Keflavik Intl Airport for under $600 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Reykjavik Keflavik Intl Airport for under $600. The cheapest flight booked recently is on Multiple Airlines for just $585, but on average you can expect to pay $688.

  • Are there last-minute flights available from St. Louis to Reykjavik Keflavik Intl Airport for under $900?

    There are currently 20+ open flights from St. Louis to Reykjavik Keflavik Intl Airport within the next 7 days for less than $900.

  • What are the cheapest airlines flying from St. Louis to Reykjavik Keflavik Intl Airport round-trip?

    Our cheapest airline available from St. Louis to Reykjavik Keflavik Intl Airport is United Airlines. Our recent data shows that you can find tickets from as low as $641 on this airline. Additional options worth looking into are Delta and Air Canada, starting at $691 and $695 round-trip. United Airlines is 42% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from St. Louis to Reykjavik Keflavik Intl Airport one-way?

    $384 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on Delta and United Airlines, with prices starting from $389 and $434, respectively.

  • What does STL to KEF mean?

    STL stands for Lambert-St Louis Airport, while KEF stands for Reykjavik Keflavik Intl Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.

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

    The amount of baggage you can bring on your St. Louis to Keflavik Intl 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 St. Louis to Keflavik Intl with specific airlines?

    Yes, Cheapflights allows you to browse and filter St. Louis to Keflavik Intl 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 St. Louis to Keflavik Intl that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from St. Louis to Keflavik Intl 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 St. Louis to Keflavik Intl that allow pets onboard?

    Many airlines flying from St. Louis to Keflavik Intl 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 St. Louis to Keflavik Intl?

    Yes, you can often find last-minute deals on St. Louis to Keflavik Intl 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 St. Louis to Reykjavik Keflavik Intl Airport flight deals updated?

    The St. Louis to Reykjavik Keflavik Intl Airport flight deals you see on this page were last updated on 5/31.

  • What are the most popular airlines that fly from St. Louis to Reykjavik Keflavik Intl Airport?

    Before booking your flight from St. Louis to Reykjavik Keflavik Intl Airport check out the most popular airlines for this route: Air Canada, British Airways or Delta.

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

    Currently, January is the cheapest month in which you can book a flight from St. Louis to Reykjavik Keflavik Intl Airport (average of $339). Flying from St. Louis to Reykjavik Keflavik Intl Airport in July is currently the most expensive (average of $710). 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.

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Alternative routes for St. Louis to Keflavik Intl
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Top 4 airlines flying from St. Louis to Keflavik Intl

Discover the top 4 airlines that operate flights from St. Louis to Keflavik Intl. 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 2,765,679 searches. Data last updated May 31, 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$690Average$1,055FlexibilityNo cancel feeOn-time67%
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British AirwaysCheapest$695Average$757FlexibilityNo cancel feeOn-time70%
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DeltaCheapest$711Average$957FlexibilityNo cancel feeOn-timeN/A
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United AirlinesCheapest$813Average$1,176FlexibilityNo cancel feeOn-time69%
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Search flights from St. Louis to Keflavik Intl by cabin class

Find flights from St. Louis to Keflavik Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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