What are the cheapest airlines to fly from Washington, D.C. to Heidelberg one-way?

One-way options have recently been found by users for as low as $229 on Icelandair. Other airlines that offer cheap prices include TAP AIR PORTUGAL from $297 and Scandinavian Airlines from $400 one-way.

What are the most popular routes from Washington, D.C. to Heidelberg?

When deciding which route to take from Washington, D.C. to Heidelberg consider Washington, D.C. Dulles Intl - Frankfurt am Main, Washington, D.C. Reagan-National - Frankfurt am Main or Baltimore/Washington - Frankfurt am Main as they are the most popular.

What are the cheapest flights from Washington, D.C. to Heidelberg?

The cheapest flight price from Washington, D.C. to Heidelberg is $324. On average you can expect to pay $3,988. The most popular route, (Washington, D.C. Dulles Intl - Frankfurt am Main), can usually be booked for $485.

What are the most reliable airlines from Washington, D.C. to Heidelberg?

Before booking your flight to Heidelberg from Washington, D.C., check out the most reliable airlines to get you to your destination on time: Air Canada (58%), United Airlines (58%), Lufthansa( 58%).

What are the most popular airlines that fly from Washington, D.C. to Heidelberg?

American Airlines, Air France and British Airways are the most popular airlines when flying from Washington, D.C. to Heidelberg.

How far in advance should I book a flight from Washington, D.C. to Heidelberg?

To save up to 33% on this flight, we recommend booking at least 60 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Washington, D.C. to Heidelberg from $819 1-2 weeks out and tickets from $929 for flights departing within the next 72 hours.

What is the cheapest month to fly from Washington, D.C. to Heidelberg?

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, September can be a great choice for travel to Heidelberg. Flights to Heidelberg from Washington, D.C. in September are about $873 on average during September, but can be found for as low as $526.

Can I find deals for flights from Washington, D.C. to Heidelberg that include hotel bookings?

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

How can I find direct flights from Washington, D.C. to Heidelberg?

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

Can I find deals for business class flights from Washington, D.C. to Heidelberg?

Yes. Cheapflights offers flight deals from Washington, D.C. 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.

$229+ Flights from Washington, D.C. to Heidelberg

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Washington, D.C. to Heidelberg with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Washington, D.C. to Heidelberg are usually found in September or January, booked 78 days in advance, depart on a Tuesday or Monday and return on a Thursday

Cheap flight deals from Washington, D.C. to Heidelberg

Round-trip from	$572 (Ticket)
One-way from	$229 (Mytrip)
Popular in	December
Cheapest in	September
Average price	$985

From Washington, D.C. (WAS) to Heidelberg

Search Deals

One-way flight from Washington, D.C. (WAS) to Heidelberg

Search Deals

Highest demand for flights based on searches. 1% potential increase in price ($9 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($23 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in June 2025

Search Deals

Find flight deals from Washington, D.C. to Heidelberg

Cheapest flights from Washington, D.C. to Heidelberg
Explore the most affordable flight options available from Washington, D.C. to Heidelberg. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 16, 2025.

Sun 8/108:30 pmBWI - FRA

1 stop13h 50mIcelandair

Tue 8/197:05 amFRA - BWI

1 stop18h 20mIcelandair

Deal found 6/16

$572

Sun 8/36:15 amBWI - FRA

1 stop18h 15mUnited Airlines

Tue 8/1912:40 pmFRA - BWI

1 stop27h 15mUnited Airlines

Deal found 6/15

$648

Sun 8/101:52 pmBWI - FRA

1 stop13h 03mVirgin Atlantic

Tue 8/1911:00 amFRA - BWI

1 stop18h 17mVirgin Atlantic

Deal found 6/15

$656

Wed 8/611:51 amBWI - FRA

2 stops14h 49mDelta

Tue 8/1911:00 amFRA - BWI

1 stop18h 17mDelta

Deal found 6/14

$661

Sun 8/1012:10 pmDCA - FRA

2 stops14h 30mVirgin Atlantic

Tue 8/1911:50 amFRA - DCA

2 stops17h 56mVirgin Atlantic

Deal found 6/16

$661

Sun 8/106:00 amIAD - FRA

2 stops20h 40mVirgin Atlantic

Tue 8/1911:00 amFRA - IAD

1 stop17h 55mVirgin Atlantic

Deal found 6/16

$661

Sun 8/315:37 pmIAD - FRA

1 stop32h 33mMultiple Airlines

Fri 9/121:10 pmFRA - IAD

Nonstop8h 40mMultiple Airlines

Deal found 6/16

$662

Thu 8/219:40 pmIAD - FRA

1 stop34h 00mTurkish Airlines

Tue 9/26:55 pmFRA - IAD

1 stop22h 50mTurkish Airlines

Deal found 6/16

$663

Sat 8/1610:15 pmIAD - FRA

1 stop25h 05mUnited Airlines

Thu 8/285:35 pmFRA - IAD

1 stop23h 38mUnited Airlines

Deal found 6/16

$664

Tue 12/29:40 amDCA - FRA

2 stops15h 45mAir Canada

Tue 12/168:20 amFRA - DCA

2 stops15h 47mAir Canada

Deal found 6/16

$667

Wed 8/1312:13 pmIAD - FRA

2 stops25h 32mScandinavian Airlines

Thu 9/118:30 pmFRA - IAD

1 stop29h 29mScandinavian Airlines

Deal found 6/14

$667

Mon 9/13:25 pmIAD - FRA

Nonstop8h 05mLufthansa

Fri 9/191:10 pmFRA - IAD

Nonstop8h 40mLufthansa

Deal found 6/14

$670

Best flights from Washington, D.C. to Heidelberg
Discover carefully curated flight deals from Washington, D.C. to Heidelberg that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 16, 2025.

Sun 8/108:30 pmBWI - FRA

1 stop13h 50mIcelandair

Tue 8/197:05 amFRA - BWI

1 stop18h 20mIcelandair

Deal found 6/16

$572

Sun 8/312:27 pmBWI - FRA

1 stop15h 23mVirgin Atlantic

Tue 8/1911:00 amFRA - BWI

1 stop18h 17mVirgin Atlantic

Deal found 6/15

$648

Wed 8/611:51 amBWI - FRA

2 stops14h 49mDelta

Tue 8/1911:00 amFRA - BWI

1 stop18h 17mDelta

Deal found 6/14

$661

Sun 8/315:37 pmIAD - FRA

1 stop32h 33mMultiple Airlines

Fri 9/121:10 pmFRA - IAD

Nonstop8h 40mMultiple Airlines

Deal found 6/16

$662

Thu 8/219:40 pmIAD - FRA

1 stop34h 00mTurkish Airlines

Tue 9/26:55 pmFRA - IAD

1 stop22h 50mTurkish Airlines

Deal found 6/16

$663

Sat 8/1610:15 pmIAD - FRA

1 stop25h 05mUnited Airlines

Thu 8/285:35 pmFRA - IAD

1 stop23h 38mUnited Airlines

Deal found 6/16

$664

Sun 8/316:10 pmIAD - FRA

Nonstop7h 50mLufthansa

Fri 9/121:10 pmFRA - IAD

Nonstop8h 40mLufthansa

Deal found 6/16

$667

Thu 8/144:30 pmIAD - FRA

1 stop12h 20mITA Airways

Sun 8/316:15 pmFRA - IAD

1 stop26h 25mITA Airways

Deal found 6/15

$669

Sun 8/109:40 amDCA - FRA

1 stop16h 30mAir Canada

Tue 9/95:35 pmFRA - DCA

1 stop22h 45mAir Canada

Deal found 6/14

$671

Wed 9/1712:30 pmIAD - FRA

2 stops20h 10mScandinavian Airlines

Tue 9/308:30 pmFRA - IAD

1 stop29h 29mScandinavian Airlines

Deal found 6/15

$682

Mon 10/139:20 pmBWI - FRA

1 stop19h 05mAmerican Airlines

Thu 10/239:20 amFRA - BWI

1 stop20h 48mAmerican Airlines

Deal found 6/14

$685

Sun 8/1010:20 pmIAD - FRA

1 stop14h 30mTAP AIR PORTUGAL

Tue 8/191:30 pmFRA - IAD

1 stop13h 20mTAP AIR PORTUGAL

Deal found 6/16

$689

Last-minute flights from Washington, D.C. to Heidelberg
Discover last-minute flight deals from Washington, D.C. to Heidelberg. Data last updated June 16, 2025 and is based on user searches.

Sun 6/2211:15 pmIAD - FRA

1 stop24h 45mIcelandair

Wed 8/205:10 pmFRA - IAD

1 stop32h 10mIcelandair

Deal found 6/13

$703

Sun 6/228:30 pmBWI - FRA

1 stop13h 50mIcelandair

Wed 8/202:00 pmFRA - BWI

1 stop11h 25mIcelandair

Deal found 6/13

$838

Sun 6/229:20 pmIAD - FRA

1 stop18h 45mAir France

Tue 7/19:45 amFRA - IAD

1 stop12h 35mAir France

Deal found 6/15

$1,043

Sun 6/229:25 amBWI - FRA

1 stop18h 25mAir France

Mon 7/710:40 amFRA - BWI

1 stop16h 08mAir France

Deal found 6/15

$1,066

Mon 6/2312:13 pmIAD - FRA

1 stop14h 27mMultiple Airlines

Wed 7/239:45 amFRA - IAD

1 stop12h 35mMultiple Airlines

Deal found 6/16

$1,025

Tue 6/2412:13 pmIAD - FRA

1 stop14h 27mVirgin Atlantic

Tue 7/110:40 amFRA - IAD

1 stop18h 34mVirgin Atlantic

Deal found 6/13

$995

Tue 6/2412:10 pmDCA - FRA

1 stop14h 45mKLM

Tue 7/2211:00 amFRA - DCA

1 stop13h 59mKLM

Deal found 6/14

$996

Tue 6/2412:13 pmIAD - FRA

1 stop14h 27mKLM

Tue 7/811:50 amFRA - IAD

1 stop14h 01mKLM

Deal found 6/16

$996

Tue 6/2412:13 pmIAD - FRA

2 stops19h 32mScandinavian Airlines

Tue 7/811:45 amFRA - IAD

2 stops38h 14mScandinavian Airlines

Deal found 6/16

$1,006

Wed 6/2510:30 amDCA - FRA

1 stop12h 45mMultiple Airlines

Tue 7/111:40 amFRA - DCA

1 stop12h 25mMultiple Airlines

Deal found 6/14

$820

Wed 6/2511:57 amBWI - FRA

1 stop14h 58mVirgin Atlantic

Tue 7/110:40 amFRA - BWI

1 stop19h 49mVirgin Atlantic

Deal found 6/14

$996

Wed 6/2511:00 amDCA - FRA

2 stops16h 50mVirgin Atlantic

Tue 7/111:00 amFRA - DCA

1 stop13h 59mVirgin Atlantic

Deal found 6/14

$1,001

One-way flights from Washington, D.C. to Heidelberg
Search for one-way flight options from Washington, D.C. to Heidelberg. Find affordable one-way fares based on user searches. Data last updated June 16, 2025.

Wed 7/3011:15 pmIAD - FRA

1 stop31h 45mIcelandair

Deal found 6/13

$229

Tue 7/298:30 pmIAD - FRA

2 stops17h 55mMultiple Airlines

Deal found 6/16

$266

Sun 7/278:30 pmBWI - FRA

1 stop10h 30mIcelandair

Deal found 6/13

$275

Tue 7/297:10 amBWI - FRA

2 stops33h 10mMultiple Airlines

Deal found 6/14

$294

Sat 8/165:00 pmIAD - FRA

1 stop13h 40mTAP AIR PORTUGAL

Deal found 6/15

$297

Sat 8/1611:00 amDCA - FRA

2 stops21h 40mScandinavian Airlines

Deal found 6/15

$400

Mon 7/2110:30 amDCA - FRA

1 stop12h 45mMultiple Airlines

Deal found 6/15

$405

Mon 7/2812:55 pmDCA - FRA

2 stops16h 05mAir Canada

Deal found 6/13

$416

Sun 7/279:20 pmBWI - FRA

1 stop10h 45mBritish Airways

Deal found 6/15

$421

Sun 7/276:10 pmIAD - FRA

Nonstop7h 50mLufthansa

Deal found 6/15

$421

Sat 8/21:03 pmIAD - FRA

2 stops35h 57mAir Canada

Deal found 6/16

$440

Sun 7/201:52 pmBWI - FRA

1 stop13h 03mKLM

Deal found 6/14

$444

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Heidelberg that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreFrankfurt am Main

BWI - FRA

BWIFRA

Baltimore/Washington

Sun 8/10

8:30 pm-4:20 pm

1 stop13h 50m

Frankfurt am Main

Tue 8/19

7:05 am-7:25 pm

1 stop18h 20m

$572

BaltimoreFrankfurt am Main

BWI - FRA

BWIFRA

Baltimore/Washington

Sun 8/3

6:15 am-6:30 am

1 stop18h 15m

Frankfurt am Main

Tue 8/19

12:40 pm-9:55 am

1 stop27h 15m

$648

BaltimoreFrankfurt am Main

BWI - FRA

BWIFRA

Baltimore/Washington

Sun 8/10

1:52 pm-8:55 am

1 stop13h 03m

Frankfurt am Main

Tue 8/19

11:00 am-11:17 pm

1 stop18h 17m

$656

BaltimoreFrankfurt am Main

BWI - FRA

BWIFRA

Baltimore/Washington

Wed 8/6

11:51 am-8:40 am

2 stops14h 49m

Frankfurt am Main

Tue 8/19

11:00 am-11:17 pm

1 stop18h 17m

$661

Washington, D.C.Frankfurt am Main

DCA - FRA

DCAFRA

Washington, D.C. Reagan-National

Sun 8/10

12:10 pm-8:40 am

2 stops14h 30m

Frankfurt am Main

Tue 8/19

11:50 am-11:46 pm

2 stops17h 56m

$661

Washington, D.C.Frankfurt am Main

IAD - FRA

IADFRA

Washington, D.C. Dulles Intl

Sun 8/10

6:00 am-8:40 am

2 stops20h 40m

Frankfurt am Main

Tue 8/19

11:00 am-10:55 pm

1 stop17h 55m

$661

Washington, D.C.Frankfurt am Main

IAD - FRA

IADFRA

Washington, D.C. Dulles Intl

Sun 8/31

5:37 pm-8:10 am

1 stop32h 33m

Frankfurt am Main

Fri 9/12

1:10 pm-3:50 pm

Nonstop8h 40m

$662

Washington, D.C.Frankfurt am Main

IAD - FRA

IADFRA

Washington, D.C. Dulles Intl

Thu 8/21

9:40 pm-1:40 pm

1 stop34h 00m

Frankfurt am Main

Tue 9/2

6:55 pm-11:45 am

1 stop22h 50m

$663

Washington, D.C.Frankfurt am Main

IAD - FRA

IADFRA

Washington, D.C. Dulles Intl

Sat 8/16

10:15 pm-5:20 am

1 stop25h 05m

Frankfurt am Main

Thu 8/28

5:35 pm-11:13 am

1 stop23h 38m

$664

Washington, D.C.Frankfurt am Main

DCA - FRA

DCAFRA

Washington, D.C. Reagan-National

Tue 12/2

9:40 am-7:25 am

2 stops15h 45m

Frankfurt am Main

Tue 12/16

8:20 am-6:07 pm

2 stops15h 47m

$667

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/13

Showing 1-10 of 60 results

...

Best time to book a flight from Washington, D.C. to Heidelberg

Have a flexible travel schedule? Discover the best time to fly to Heidelberg from Washington, D.C. 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 Washington, D.C. to Heidelberg

How far ahead should I book a flight from Washington, D.C. to Heidelberg?

Booking 78 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. to Heidelberg. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Washington, D.C. to Heidelberg?

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Heidelberg (average of $729). Flying from Washington, D.C. to Heidelberg 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 WAS to HE1?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. to Heidelberg as you normally would.

What is the cheapest day to fly from Washington, D.C. to Heidelberg?

Travelers seeking maximum savings on their Washington, D.C. to Heidelberg flight should consider departing on Wednesday mornings when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Washington, D.C. to Heidelberg

The most flights from WAS to HE1 are scheduled on a Monday (14 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (11 on average).

Rainfall in Heidelberg 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

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 a feel of what it's like to fly with Delta, KLM and Austrian Airlines from Washington, D.C. to Heidelberg by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,963 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,963 reviews

Delta

8.0

Very good

7,963 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

KLM

7.8

Good

1,363 reviews

Delta

8.0

Very good

7,963 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Austrian Airlines

7.6

Good

804 reviews

Delta

8.0

Very good

7,963 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Air France

7.5

Good

1,466 reviews

Delta

8.0

Very good

7,963 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

SWISS

7.5

Good

1,628 reviews

Delta

8.0

Very good

7,963 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What are the cheapest airlines to fly from Washington, D.C. to Heidelberg one-way?
One-way options have recently been found by users for as low as $229 on Icelandair. Other airlines that offer cheap prices include TAP AIR PORTUGAL from $297 and Scandinavian Airlines from $400 one-way.
What are the most popular routes from Washington, D.C. to Heidelberg?
When deciding which route to take from Washington, D.C. to Heidelberg consider Washington, D.C. Dulles Intl - Frankfurt am Main, Washington, D.C. Reagan-National - Frankfurt am Main or Baltimore/Washington - Frankfurt am Main as they are the most popular.
What are the most reliable airlines from Washington, D.C. to Heidelberg?
Before booking your flight to Heidelberg from Washington, D.C., check out the most reliable airlines to get you to your destination on time: Air Canada (58%), United Airlines (58%), Lufthansa( 58%).
What are the cheapest flights from Washington, D.C. to Heidelberg?
The cheapest flight price from Washington, D.C. to Heidelberg is $324. On average you can expect to pay $3,988. The most popular route, (Washington, D.C. Dulles Intl - Frankfurt am Main), can usually be booked for $485.
Can I find deals for flights from Washington, D.C. to Heidelberg that include hotel bookings?
Yes. In addition to deals on Washington, D.C. to Heidelberg flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Washington, D.C. to Heidelberg?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Heidelberg.
Can I find deals for business class flights from Washington, D.C. to Heidelberg?
Yes. Cheapflights offers flight deals from Washington, D.C. 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 Washington, D.C. to Heidelberg?
Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Heidelberg (average of $729). Flying from Washington, D.C. to Heidelberg 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Washington, D.C. to Heidelberg

Dulles Intl to Frankfurt flights

Dulles Intl to Munich flights

Reagan-National to Frankfurt flights

Reagan-National to Munich flights

Dulles Intl to Stuttgart flights

Reagan-National to Stuttgart flights

Dulles Intl to Friedrichshafen flights

Dulles Intl to Karlsruhe flights

Top 10 airlines flying from Washington, D.C. to Heidelberg

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$254	Average$971	FlexibilityNo cancel fee	On-timeN/A
Icelandair	Cheapest$471	Average$776	FlexibilityNo cancel fee	On-time76%
Condor	Cheapest$515	Average$739	FlexibilityNo cancel fee	On-time76%
Aer Lingus	Cheapest$530	Average$810	FlexibilityNo cancel fee	On-timeN/A
Scandinavian Airlines	Cheapest$531	Average$684	FlexibilityNo cancel fee	On-time77%
Air France	Cheapest$551	Average$1,781	FlexibilityNo cancel fee	On-time77%
KLM	Cheapest$552	Average$838	FlexibilityNo cancel fee	On-time75%
TAP AIR PORTUGAL	Cheapest$557	Average$928	FlexibilityNo cancel fee	On-timeN/A
British Airways	Cheapest$564	Average$887	FlexibilityNo cancel fee	On-time70%
American Airlines	Cheapest$617	Average$935	FlexibilityNo cancel fee	On-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$229+ Cheap flights from Washington, D.C. (WAS) 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 7/30. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Washington, D.C. to Heidelberg with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Washington, D.C. to Heidelberg are usually found in September or January, booked 78 days in advance, depart on a Tuesday or Monday and return on a Thursday

Cheap flight deals from Washington, D.C. to Heidelberg

Keep the following information in mind while searching for Washington, D.C. to Heidelberg flight deals. Data was last updated June 16, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Washington, D.C. to Heidelberg

Cheapest flights from Washington, D.C. to HeidelbergExplore the most affordable flight options available from Washington, D.C. to Heidelberg. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 16, 2025.

Explore the most affordable flight options available from Washington, D.C. to Heidelberg. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 16, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Heidelberg that are best for you.

Best time to book a flight from Washington, D.C. to Heidelberg

Have a flexible travel schedule? Discover the best time to fly to Heidelberg from Washington, D.C. with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to Heidelberg

How far ahead should I book a flight from Washington, D.C. to Heidelberg?

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Heidelberg. Price data was last updated on June 13, 2025.

What is the cheapest month to book a flight from Washington, D.C. to Heidelberg?

What is the cheapest time of day to fly from WAS to HE1?

Find hourly flight availability from Washington, D.C. 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 June 16, 2025.

What is the cheapest day to fly from Washington, D.C. to Heidelberg?

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

Weekly flight availability from Washington, D.C. to Heidelberg

Rainfall in Heidelberg by month

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

Temperature in Heidelberg by month

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

Reviews of airlines servicing Heidelberg

Get a feel of what it's like to fly with Delta, KLM and Austrian Airlines from Washington, D.C. to Heidelberg by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Heidelberg. 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 to fly from Washington, D.C. to Heidelberg one-way?

What are the most popular routes from Washington, D.C. to Heidelberg?

What are the most reliable airlines from Washington, D.C. to Heidelberg?

What are the cheapest flights from Washington, D.C. to Heidelberg?

Can I find deals for flights from Washington, D.C. to Heidelberg that include hotel bookings?

How can I find direct flights from Washington, D.C. to Heidelberg?

Can I find deals for business class flights from Washington, D.C. to Heidelberg?

What is the cheapest month to book a flight from Washington, D.C. to Heidelberg?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Washington, D.C. to Heidelberg

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Washington, D.C. to Heidelberg

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Washington, D.C. to Heidelberg
Explore the most affordable flight options available from Washington, D.C. to Heidelberg. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 16, 2025.