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Heidelberg

$270+ Cheap flights from Seattle (SEA) to Heidelberg, Germany

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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — FRA
Apr 29 — May 61
Tue 4/29
Tue 5/6
1 adult, Economy
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Heidelberg are usually found in January or February, booked 75 days in advance, depart on a Sunday or Monday and return on a Tuesday

Cheap flight deals from Seattle to Heidelberg

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

Round-trip from

$638
(Mytrip)

One-way from

$270
(Expedia)

Popular in

December

Cheapest in

January

Average price

$747
From Seattle/Tacoma Intl to Heidelberg
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One-way flight from Seattle/Tacoma Intl to Heidelberg
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Highest demand for flights based on searches. 0% potential increase in price ($7 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Seattle to Heidelberg

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

This Kiwi.com deal was found by Cheapflights users on 4/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/15:05 pmSEA - FRA
Nonstop10h 05mCondor
Mon 5/51:45 pmFRA - SEA
Nonstop10h 20mCondor
Deal found 4/22$637
This Travelocity deal was found by Cheapflights users on 4/24. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/155:05 pmSEA - FRA
Nonstop10h 05mMultiple Airlines
Thu 5/2911:45 amFRA - SEA
1 stop19h 15mMultiple Airlines
Deal found 4/24$640
This Scandinavian Airlines deal was found by Cheapflights users on 4/23. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2612:00 pmSEA - FRA
2 stops22h 45mScandinavian Airlines
Tue 9/93:20 pmFRA - SEA
1 stop31h 30mScandinavian Airlines
Deal found 4/23$715
This FlightHub deal was found by Cheapflights users on 4/23. 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.
Thu 8/77:00 pmSEA - FRA
1 stop12h 05mIcelandair
Mon 8/185:10 pmFRA - SEA
1 stop33h 40mIcelandair
Deal found 4/23$788
This United Airlines deal was found by Cheapflights users on 4/23. 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 12/12:00 pmSEA - FRA
Nonstop10h 10mUnited Airlines
Fri 12/1210:20 amFRA - SEA
Nonstop10h 50mUnited Airlines
Deal found 4/23$830
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/66:45 pmSEA - FRA
1 stop16h 10mAer Lingus
Wed 5/1410:55 amFRA - SEA
1 stop15h 04mAer Lingus
Deal found 4/23$836

Cheapflights Fare Finder

Customize your flight search to find flights from Seattle to Heidelberg 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 April 24, 2025.
Use the filters below to find and compare flights from Seattle to Heidelberg that are best for you.

Fly from

Seattle

Fly to

Heidelberg

Route

Depart

Return

Price

SeattleFrankfurt am Main

SEA - FRA

SEAFRA

Seattle/Tacoma Intl

Thu 5/1

5:05 pm-12:10 pm

Nonstop10h 05m

Frankfurt am Main

Mon 5/5

1:45 pm-3:05 pm

Nonstop10h 20m

$637

SeattleFrankfurt am Main

SEA - FRA

SEAFRA

Seattle/Tacoma Intl

Thu 5/15

5:05 pm-12:10 pm

Nonstop10h 05m

Frankfurt am Main

Thu 5/29

11:45 am-10:00 pm

1 stop19h 15m

$640

SeattleFrankfurt am Main

SEA - FRA

SEAFRA

Seattle/Tacoma Intl

Tue 5/6

6:45 pm-7:55 pm

1 stop16h 10m

Frankfurt am Main

Wed 5/14

10:55 am-4:59 pm

1 stop15h 04m

$836

SeattleFrankfurt am Main

SEA - FRA

SEAFRA

Seattle/Tacoma Intl

Tue 5/13

3:45 pm-1:00 pm

1 stop12h 15m

Frankfurt am Main

Tue 5/27

5:10 pm-8:40 pm

1 stop12h 30m

$841

SeattleFrankfurt am Main

SEA - FRA

SEAFRA

Seattle/Tacoma Intl

Tue 7/22

7:10 pm-9:00 pm

1 stop16h 50m

Frankfurt am Main

Wed 7/30

7:05 am-5:15 pm

1 stop19h 10m

$875

SeattleFrankfurt am Main

SEA - FRA

SEAFRA

Seattle/Tacoma Intl

Mon 5/12

5:30 am-8:10 am

2 stops17h 40m

Frankfurt am Main

Tue 5/20

1:20 pm-10:13 pm

1 stop17h 53m

$876

SeattleFrankfurt am Main

SEA - FRA

SEAFRA

Seattle/Tacoma Intl

Tue 5/13

10:00 am-8:05 am

1 stop13h 05m

Frankfurt am Main

Thu 5/29

10:45 am-12:25 pm

Nonstop10h 40m

$878

SeattleFrankfurt am Main

SEA - FRA

SEAFRA

Seattle/Tacoma Intl

Mon 5/5

1:10 am-8:45 am

1 stop22h 35m

Frankfurt am Main

Tue 5/13

9:20 am-7:36 pm

1 stop19h 16m

$891

SeattleFrankfurt am Main

SEA - FRA

SEAFRA

Seattle/Tacoma Intl

Tue 4/29

8:13 am-12:40 pm

1 stop19h 27m

$270

SeattleFrankfurt am Main

SEA - FRA

SEAFRA

Seattle/Tacoma Intl

Mon 4/28

5:05 pm-12:10 pm

Nonstop10h 05m

$327

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 20 results
1
2

Best time to book a flight from Seattle to Heidelberg

Have a flexible travel schedule? Discover the best time to fly to Heidelberg from Seattle 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 Seattle to Heidelberg

How far ahead should I book a flight from Seattle to Heidelberg?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Heidelberg. Price data was last updated on April 18, 2025.

The price you pay for your flight from Seattle to Heidelberg may vary depending on when you book. For the best chance of a lower fare, look to book 75 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Seattle to Heidelberg?

Currently, January is the cheapest month in which you can book a flight from Seattle to Heidelberg (average of $729). Flying from Seattle to Heidelberg in June is currently the most expensive (average of $1,079). 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 SEA to HE1?

Find hourly flight availability from Seattle to Heidelberg. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 24, 2025.

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

What is the cheapest day to fly from Seattle to Heidelberg?

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

Travelers seeking maximum savings on their Seattle to Heidelberg flight should consider departing on Sunday evenings when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Seattle to Heidelberg

Explore weekly flight availability from Seattle to Heidelberg. 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 April 24, 2025.

The most flights from SEA to HE1 are scheduled on a Monday (5 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 on average).

Rainfall in Heidelberg by month

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

In terms of precipitation, rainfall in Heidelberg 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 Heidelberg when rainfall is around 1.6 in.

Temperature in Heidelberg by month

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

If weather is an important factor for your trip to Heidelberg, 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 Heidelberg

Get insights into the airlines that provide service to Heidelberg. 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 Heidelberg. Reviews last updated April 24, 2025.
Peruse reviews from past customers who have flown with China Airlines, Alaska Airlines and United Airlines from Seattle to Heidelberg to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
China Airlines
8.3
Very good
727 reviews

Comfort

8.0

Overall

8.3

Boarding

8.3

Crew

8.5

Entertainment

8.0

Food

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
China Airlines
8.3
Very good
727 reviews
China Airlines
8.3
Very good
727 reviews

Comfort

8.0

Overall

8.3

Boarding

8.3

Crew

8.5

Entertainment

8.0

Food

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
Alaska Airlines
8.0
Very good
9,918 reviews
China Airlines
8.3
Very good
727 reviews

Comfort

8.0

Overall

8.3

Boarding

8.3

Crew

8.5

Entertainment

8.0

Food

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
United Airlines
7.4
Good
8,685 reviews
China Airlines
8.3
Very good
727 reviews

Comfort

8.0

Overall

8.3

Boarding

8.3

Crew

8.5

Entertainment

8.0

Food

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
Virgin Atlantic
7.4
Good
642 reviews
China Airlines
8.3
Very good
727 reviews

Comfort

8.0

Overall

8.3

Boarding

8.3

Crew

8.5

Entertainment

8.0

Food

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
Turkish Airlines
7.3
Good
3,775 reviews
China Airlines
8.3
Very good
727 reviews

Comfort

8.0

Overall

8.3

Boarding

8.3

Crew

8.5

Entertainment

8.0

Food

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver

Related info for your journey

Find useful and relevant information for your journey from Seattle to Heidelberg. 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 Seattle to Heidelberg?

    If you book a flight to Heidelberg from Seattle, you will be flying from Seattle/Tacoma Intl, which is the city’s only airport. Seattle/Tacoma Intl (SEA) is located 11.4 mi from the center of Seattle. There are 5 flights from Seattle/Tacoma Intl to Heidelberg per day from 11 different airlines.

  • What are the cheapest airlines to fly from Seattle to Heidelberg one-way?

    The cheapest airlines for a one-way flight from Seattle to Heidelberg are Condor ($327), Icelandair ($362), and WestJet ($432).

  • What are the most reliable airlines from Seattle to Heidelberg?

    The top 3 most reliable airlines when flying from Seattle to Heidelberg are Air Canada (85%), United Airlines (85%) and Lufthansa (83%).

  • What are the cheapest flights from Seattle to Heidelberg?

    On average you can expect to pay $1,435 for a flight from Seattle to Heidelberg. The cheapest flight overall is $425 while the most popular route, (Seattle/Tacoma Intl - Frankfurt am Main) is currently priced at $491.

  • Can I find deals for flights from Seattle to Heidelberg that include hotel bookings?

    Yes. In addition to deals on Seattle to Heidelberg flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Heidelberg?

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

  • Can I find deals for business class flights from Seattle to Heidelberg?

    Yes. Cheapflights offers flight deals from Seattle to Heidelberg 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 Seattle to Heidelberg?

    Currently, January is the cheapest month in which you can book a flight from Seattle to Heidelberg (average of $729). Flying from Seattle to Heidelberg in June is currently the most expensive (average of $1,079). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 10 airlines flying from Seattle to Heidelberg

Discover the top 10 airlines that operate flights from Seattle to Heidelberg. 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 April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$477Average$704FlexibilityNo cancel feeOn-time76%
CondorCheapest$520Average$828FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$555Average$886FlexibilityNo cancel feeOn-time70%
Aer LingusCheapest$567Average$724FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$628Average$897FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$630Average$794FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$676Average$862FlexibilityNo cancel feeOn-time69%
DeltaCheapest$677Average$1,043FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$695Average$1,003FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$736Average$770FlexibilityNo cancel feeOn-time67%

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