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Frankfurt am Main

$248+ Cheap flights from Chicago (CHI) to Frankfurt am Main

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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — FRA
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Chicago to Frankfurt am Main are usually found in April or January, booked 82 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from Chicago to Frankfurt am Main

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Frankfurt am Main (FK0). 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 June 12, 2025.

Round-trip from

$639
(United Airlines)

One-way from

$269
(Kiwi.com)

Popular in

July

Cheapest in

April

Average price

$1,083
From Chicago (CHI) to Frankfurt am Main
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One-way flight from Chicago (CHI) to Frankfurt am Main
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Highest demand for flights based on searches. 13% potential increase in price ($138 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Chicago to Frankfurt am Main

Cheapest flights from Chicago to Frankfurt am Main
Explore the most affordable flight options available from Chicago to Frankfurt am Main. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/410:30 pmORD - FRA
Nonstop8h 35mUnited Airlines
Wed 8/208:50 amFRA - ORD
Nonstop9h 10mUnited Airlines
Deal found 6/10$639
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/115:10 pmORD - FRA
2 stops22h 10mMultiple Airlines
Thu 9/251:30 pmFRA - ORD
3 stops32h 04mMultiple Airlines
Deal found 6/10$642
This Air Canada deal was found by Cheapflights users on 6/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/257:15 amORD - FRA
2 stops16h 55mAir Canada
Thu 11/1310:40 amFRA - ORD
1 stop34h 59mAir Canada
Deal found 6/10$644
This oojo deal was found by Cheapflights users on 6/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/97:25 pmORD - FRA
1 stop13h 55mIcelandair
Thu 8/147:05 amFRA - ORD
1 stop18h 10mIcelandair
Deal found 6/11$645
This KLM deal was found by Cheapflights users on 6/11. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/31:09 pmMDW - FRA
1 stop13h 41mKLM
Tue 8/1911:00 amFRA - MDW
1 stop14h 37mKLM
Deal found 6/11$646
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/31:09 pmMDW - FRA
1 stop13h 41mDelta
Tue 8/1911:00 amFRA - MDW
1 stop14h 37mDelta
Deal found 6/10$647
This British Airways deal was found by Cheapflights users on 6/10. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/264:55 pmORD - FRA
1 stop18h 20mBritish Airways
Sun 10/56:40 amFRA - ORD
1 stop16h 15mBritish Airways
Deal found 6/10$647
This Delta deal was found by Cheapflights users on 6/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/32:00 pmORD - FRA
1 stop12h 50mDelta
Tue 8/1911:00 amFRA - ORD
1 stop12h 13mDelta
Deal found 6/12$648
This Lufthansa deal was found by Cheapflights users on 6/10. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/237:55 pmORD - FRA
1 stop27h 20mLufthansa
Fri 11/1410:50 amFRA - ORD
Nonstop9h 20mLufthansa
Deal found 6/10$655
This Virgin Atlantic deal was found by Cheapflights users on 6/10. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/47:00 amORD - FRA
1 stop18h 40mVirgin Atlantic
Wed 8/2011:00 amFRA - ORD
2 stops17h 36mVirgin Atlantic
Deal found 6/10$658
This FlightHub deal was found by Cheapflights users on 6/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/13:45 pmORD - FRA
1 stop11h 30mAer Lingus
Fri 8/1510:55 amFRA - ORD
1 stop15h 05mAer Lingus
Deal found 6/12$678
This Billigflug deal was found by Cheapflights users on 6/12. 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 Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/81:09 pmMDW - FRA
1 stop13h 41mVirgin Atlantic
Thu 8/2111:00 amFRA - MDW
1 stop14h 37mVirgin Atlantic
Deal found 6/12$679

Cheapflights Fare Finder

Customize your flight search to find flights from Chicago to Frankfurt am Main 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 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from Chicago to Frankfurt am Main that are best for you.

Fly from

Chicago

Fly to

Frankfurt am Main

Route

Depart

Return

Price

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Mon 8/4

10:30 pm-2:05 pm

Nonstop8h 35m

Frankfurt am Main

Wed 8/20

8:50 am-11:00 am

Nonstop9h 10m

$639

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Mon 8/4

10:00 am-8:10 am

2 stops15h 10m

Frankfurt am Main

Wed 8/20

9:45 am-3:55 pm

1 stop13h 10m

$643

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Mon 8/25

7:15 am-7:10 am

2 stops16h 55m

Frankfurt am Main

Thu 11/13

10:40 am-2:39 pm

1 stop34h 59m

$644

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Sat 8/9

7:25 pm-4:20 pm

1 stop13h 55m

Frankfurt am Main

Thu 8/14

7:05 am-6:15 pm

1 stop18h 10m

$645

ChicagoFrankfurt am Main

MDW - FRA

MDWFRA

Chicago Midway

Sun 8/3

1:09 pm-9:50 am

1 stop13h 41m

Frankfurt am Main

Tue 8/19

11:00 am-6:37 pm

1 stop14h 37m

$646

ChicagoFrankfurt am Main

MDW - FRA

MDWFRA

Chicago Midway

Sun 8/3

1:09 pm-9:50 am

1 stop13h 41m

Frankfurt am Main

Tue 8/19

11:00 am-6:37 pm

1 stop14h 37m

$647

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Fri 8/22

7:15 pm-9:50 pm

1 stop19h 35m

Frankfurt am Main

Fri 11/14

7:05 am-1:55 pm

1 stop13h 50m

$647

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Sun 8/3

2:00 pm-9:50 am

1 stop12h 50m

Frankfurt am Main

Tue 8/19

11:00 am-8:23 pm

1 stop16h 23m

$648

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Sat 8/23

7:55 pm-6:15 am

1 stop27h 20m

Frankfurt am Main

Thu 11/13

10:50 am-1:10 pm

Nonstop9h 20m

$655

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Sun 8/3

9:00 am-9:00 am

2 stops17h 00m

Frankfurt am Main

Tue 8/19

11:00 am-4:13 pm

1 stop12h 13m

$673

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 43 results
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Best time to book a flight from Chicago to Frankfurt am Main

Have a flexible travel schedule? Discover the best time to fly to Frankfurt am Main from Chicago 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 Chicago to Frankfurt am Main

How far ahead should I book a flight from Chicago to Frankfurt am Main?

Use this chart to determine the optimal time to book a round-trip flight from Chicago to Frankfurt am Main. Price data was last updated on June 9, 2025.

The best time to book flights from Chicago to Frankfurt am Main is 82 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Chicago to Frankfurt am Main?

Currently, January is the cheapest month in which you can book a flight from Chicago to Frankfurt am Main (average of $729). Flying from Chicago to Frankfurt am Main in June is currently the most expensive (average of $1,088). 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 CHI to FRA?

Find hourly flight availability from Chicago to Frankfurt am Main. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

When flying from Chicago to Frankfurt am Main, 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 28% versus a flight in the afternoon.

What is the cheapest day to fly from Chicago to Frankfurt am Main?

Use this chart to determine the cheapest time to fly round-trip from Chicago to Frankfurt am Main. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Chicago to Frankfurt am Main flight should consider departing on Tuesday at noon when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Chicago to Frankfurt am Main

Explore weekly flight availability from Chicago to Frankfurt am Main. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 12, 2025.

The most flights from CHI to FK0 are scheduled on a Monday (13 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (10 on average).

Rainfall in Frankfurt am Main by month

Plan your trip to Frankfurt am Main by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Frankfurt am Main ranges from 1.6 - 2.8 inches per month. June is typically the wettest month, when rainfall can reach 2.8 in. January is typically the driest time to visit Frankfurt am Main when rainfall is around 1.6 in.

Temperature in Frankfurt am Main by month

Plan your trip to Frankfurt am Main by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Frankfurt am Main, 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 64.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

Reviews of airlines servicing Frankfurt am Main

Get insights into the airlines that provide service to Frankfurt am Main. 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 Frankfurt am Main. Reviews last updated June 12, 2025.
Peruse reviews from past customers who have flown with Singapore Airlines, Delta and Alaska Airlines from Chicago to Frankfurt am Main to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very good
1,302 reviews

Food

7.7

Entertainment

8.0

Boarding

8.2

Overall

8.1

Comfort

7.9

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SEA - SIN

Sin to amd was not good flight. Food was bad. It was like few days old.
Singapore Airlines
8.1
Very good
1,302 reviews
Singapore Airlines
8.1
Very good
1,302 reviews

Food

7.7

Entertainment

8.0

Boarding

8.2

Overall

8.1

Comfort

7.9

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SEA - SIN

Sin to amd was not good flight. Food was bad. It was like few days old.
Delta
8.0
Very good
7,946 reviews
Singapore Airlines
8.1
Very good
1,302 reviews

Food

7.7

Entertainment

8.0

Boarding

8.2

Overall

8.1

Comfort

7.9

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SEA - SIN

Sin to amd was not good flight. Food was bad. It was like few days old.
Alaska Airlines
8.0
Very good
10,000 reviews
Singapore Airlines
8.1
Very good
1,302 reviews

Food

7.7

Entertainment

8.0

Boarding

8.2

Overall

8.1

Comfort

7.9

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SEA - SIN

Sin to amd was not good flight. Food was bad. It was like few days old.
KLM
7.8
Good
1,358 reviews
Singapore Airlines
8.1
Very good
1,302 reviews

Food

7.7

Entertainment

8.0

Boarding

8.2

Overall

8.1

Comfort

7.9

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SEA - SIN

Sin to amd was not good flight. Food was bad. It was like few days old.
LOT
7.6
Good
1,077 reviews
Singapore Airlines
8.1
Very good
1,302 reviews

Food

7.7

Entertainment

8.0

Boarding

8.2

Overall

8.1

Comfort

7.9

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SEA - SIN

Sin to amd was not good flight. Food was bad. It was like few days old.

Related info for your journey

Find useful and relevant information for your journey from Chicago to Frankfurt am Main. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Chicago to Frankfurt am Main round-trip?

    United Airlines, at $639, was found to be the cheapest airline from Chicago to Frankfurt am Main.Alternate airlines to your destination round-trip include Air Canada and Icelandair. United Airlines is currently priced 29% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Chicago to Frankfurt am Main one-way?

    For one-way options, check prices for Icelandair. According to our data, you can fly for as low as $273. Users have also found prices from $353 and $359 on TAP AIR PORTUGAL and Scandinavian Airlines, respectively.

  • What are the most popular routes from Chicago to Frankfurt am Main?

    The most popular route from Chicago to Frankfurt am Main is Chicago O'Hare Intl - Frankfurt am Main. You may also consider Chicago Midway - Frankfurt am Main or Chicago O'Hare Intl - Frankfurt-Hahn.

  • What are the most reliable airlines from Chicago to Frankfurt am Main?

    The top 3 most reliable airlines when flying from Chicago to Frankfurt am Main are Lufthansa (64%), Air Canada (59%) and United Airlines (59%).

  • What are the cheapest flights from Chicago to Frankfurt am Main?

    The cheapest flight price from Chicago to Frankfurt am Main is $366. On average you can expect to pay $3,791. The most popular route, (Chicago O'Hare Intl - Frankfurt am Main), can usually be booked for $494.

  • Can I find deals for flights from Chicago to Frankfurt am Main that include hotel bookings?

    Yes. In addition to deals on Chicago to Frankfurt am Main flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chicago to Frankfurt am Main?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to Frankfurt am Main.

  • Can I find deals for business class flights from Chicago to Frankfurt am Main?

    Yes. Cheapflights offers flight deals from Chicago to Frankfurt am Main 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 Chicago to Frankfurt am Main?

    Currently, January is the cheapest month in which you can book a flight from Chicago to Frankfurt am Main (average of $729). Flying from Chicago to Frankfurt am Main in June is currently the most expensive (average of $1,088). 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 Chicago to Frankfurt am Main

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Chicago to Frankfurt am Main

Discover the top 10 airlines that operate flights from Chicago to Frankfurt am Main. 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 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$208Average$881FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$264Average$581FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$456Average$669FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$492Average$782FlexibilityNo cancel feeOn-time71%
TAP AIR PORTUGALCheapest$505Average$864FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$560Average$760FlexibilityNo cancel feeOn-time70%
Aer LingusCheapest$591Average$805FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$609Average$697FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$610Average$1,131FlexibilityNo cancel feeOn-time69%
KLMCheapest$652Average$886FlexibilityNo cancel feeOn-time75%

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