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 $355 on Icelandair. Other airlines that offer cheap prices include TAP AIR PORTUGAL from $359 and Scandinavian Airlines from $368 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, Baltimore/Washington - Frankfurt am Main or Washington, D.C. Reagan-National - 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 $462. On average you can expect to pay $3,072. The most popular route, (Washington, D.C. Dulles Intl - Frankfurt am Main), can usually be booked for $536.

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 (62%), United Airlines (62%), Lufthansa( 62%).

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

American Airlines, Air France and ITA 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 31% on this flight, we recommend booking at least 43 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 $917 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 May. For low rates, January can be a great choice for travel to Heidelberg. Flights to Heidelberg from Washington, D.C. in January are about $903 on average during January, but can be found for as low as $471.

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.

$355+ Flights from Washington, D.C. to Heidelberg

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

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Cheapflights Tip: The best prices from Washington, D.C. to Heidelberg are usually found in January or November, booked 89 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

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

Round-trip from	$583 (CrystalTravel)
One-way from	$355 (oojo)
Popular in	May
Cheapest in	January
Average price	$1,134

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. 8% potential increase in price ($88 potential increase over avg. RT price).

Search Deals

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 May 2025

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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 May 1, 2025.

Wed 10/110:05 pmIAD - FRA

1 stop15h 40mScandinavian Airlines

Wed 10/153:20 pmFRA - IAD

1 stop10h 39mScandinavian Airlines

Deal found 4/30

$583

Wed 5/710:10 amDCA - FRA

1 stop13h 05mMultiple Airlines

Wed 5/1411:40 amFRA - DCA

1 stop12h 20mMultiple Airlines

Deal found 4/30

$616

Wed 8/65:20 pmIAD - FRA

1 stop10h 55mAer Lingus

Wed 8/2010:55 amFRA - IAD

1 stop14h 35mAer Lingus

Deal found 4/30

$634

Fri 10/318:40 pmIAD - FRA

1 stop10h 25mIcelandair

Fri 11/141:05 pmFRA - IAD

1 stop11h 15mIcelandair

Deal found 5/1

$636

Wed 5/79:30 pmBWI - FRA

1 stop25h 45mMultiple Airlines

Wed 5/1411:40 amFRA - BWI

1 stop25h 51mMultiple Airlines

Deal found 4/30

$639

Wed 7/308:30 pmIAD - FRA

2 stops16h 15mMultiple Airlines

Wed 8/136:50 amFRA - IAD

2 stops42h 30mMultiple Airlines

Deal found 5/1

$646

Wed 6/411:00 amDCA - FRA

2 stops21h 40mScandinavian Airlines

Wed 6/253:20 pmFRA - DCA

2 stops38h 13mScandinavian Airlines

Deal found 4/30

$655

Wed 6/412:20 pmIAD - FRA

1 stop14h 20mKLM

Thu 6/1211:50 amFRA - IAD

1 stop14h 00mKLM

Deal found 5/1

$665

Tue 10/288:30 pmBWI - FRA

1 stop10h 35mIcelandair

Tue 11/111:05 pmFRA - BWI

1 stop11h 25mIcelandair

Deal found 5/1

$666

Tue 6/31:00 pmIAD - FRA

1 stop14h 50mVirgin Atlantic

Thu 6/1211:50 amFRA - IAD

2 stops18h 42mVirgin Atlantic

Deal found 5/1

$669

Mon 11/174:39 pmBWI - FRA

2 stops15h 51mScandinavian Airlines

Wed 12/33:15 pmFRA - BWI

2 stops36h 28mScandinavian Airlines

Deal found 4/30

$697

Wed 8/69:20 pmBWI - FRA

1 stop10h 30mBritish Airways

Wed 8/209:20 amFRA - BWI

1 stop14h 34mBritish Airways

Deal found 4/30

$717

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 May 1, 2025.

Wed 10/110:05 pmIAD - FRA

1 stop15h 40mScandinavian Airlines

Wed 10/153:20 pmFRA - IAD

1 stop10h 39mScandinavian Airlines

Deal found 4/30

$583

Wed 8/65:20 pmIAD - FRA

1 stop10h 55mAer Lingus

Wed 8/2010:55 amFRA - IAD

1 stop14h 35mAer Lingus

Deal found 4/30

$634

Fri 8/88:30 pmIAD - FRA

1 stop10h 30mIcelandair

Mon 8/185:10 pmFRA - IAD

1 stop32h 10mIcelandair

Deal found 4/30

$651

Wed 8/64:35 pmIAD - FRA

2 stops20h 45mMultiple Airlines

Wed 8/209:10 amFRA - IAD

2 stops35h 50mMultiple Airlines

Deal found 4/30

$656

Wed 8/69:20 pmBWI - FRA

1 stop10h 30mBritish Airways

Wed 8/209:20 amFRA - BWI

1 stop14h 34mBritish Airways

Deal found 4/30

$717

Wed 8/611:59 amDCA - FRA

1 stop13h 21mAmerican Airlines

Wed 8/209:20 amFRA - DCA

1 stop12h 28mAmerican Airlines

Deal found 4/30

$724

Sun 9/285:45 pmIAD - FRA

1 stop12h 55mTAP AIR PORTUGAL

Sun 10/127:40 pmFRA - IAD

1 stop25h 40mTAP AIR PORTUGAL

Deal found 5/1

$734

Sun 5/111:30 pmIAD - FRA

1 stop25h 30mTurkish Airlines

Wed 5/217:05 amFRA - IAD

1 stop18h 40mTurkish Airlines

Deal found 4/30

$772

Tue 10/76:10 pmIAD - FRA

Nonstop7h 50mLufthansa

Tue 10/211:10 pmFRA - IAD

Nonstop8h 40mLufthansa

Deal found 4/30

$782

Wed 8/611:52 amBWI - FRA

2 stops14h 48mVirgin Atlantic

Wed 8/2011:00 amFRA - BWI

2 stops15h 53mVirgin Atlantic

Deal found 4/30

$787

Tue 10/2811:00 amDCA - FRA

1 stop15h 25mAir Canada

Tue 11/119:45 amFRA - DCA

1 stop11h 34mAir Canada

Deal found 5/1

$788

Mon 9/810:40 pmIAD - FRA

2 stops28h 40mFinnair

Mon 9/157:45 pmFRA - IAD

1 stop25h 15mFinnair

Deal found 4/30

$789

Last-minute flights from Washington, D.C. to Heidelberg
Discover last-minute flight deals from Washington, D.C. to Heidelberg. Data last updated May 1, 2025 and is based on user searches.

Tue 5/68:30 pmIAD - FRA

1 stop10h 30mIcelandair

Tue 5/132:00 pmFRA - IAD

1 stop11h 20mIcelandair

Deal found 5/1

$759

Tue 5/610:20 pmIAD - FRA

1 stop18h 00mTAP AIR PORTUGAL

Wed 5/217:40 pmFRA - IAD

1 stop25h 40mTAP AIR PORTUGAL

Deal found 5/1

$806

Tue 5/68:30 pmIAD - FRA

1 stop10h 30mMultiple Airlines

Wed 5/218:30 pmFRA - IAD

2 stops28h 50mMultiple Airlines

Deal found 5/1

$942

Wed 5/710:10 amDCA - FRA

1 stop13h 05mMultiple Airlines

Wed 5/1411:40 amFRA - DCA

1 stop12h 20mMultiple Airlines

Deal found 4/30

$616

Wed 5/79:30 pmBWI - FRA

1 stop25h 45mMultiple Airlines

Wed 5/1411:40 amFRA - BWI

1 stop25h 51mMultiple Airlines

Deal found 4/30

$639

Thu 5/88:30 pmBWI - FRA

1 stop13h 25mIcelandair

Sun 5/115:10 pmFRA - BWI

1 stop32h 15mIcelandair

Deal found 4/30

$832

Thu 5/86:05 amDCA - FRA

2 stops26h 35mScandinavian Airlines

Mon 5/128:30 pmFRA - DCA

2 stops32h 15mScandinavian Airlines

Deal found 4/30

$949

Fri 5/91:30 pmIAD - FRA

1 stop25h 30mTurkish Airlines

Tue 5/1311:25 amFRA - IAD

1 stop30h 20mTurkish Airlines

Deal found 4/30

$772

Sun 5/118:25 pmIAD - FRA

1 stop17h 30mAer Lingus

Tue 5/2010:55 amFRA - IAD

1 stop14h 35mAer Lingus

Deal found 4/30

$771

Sun 5/111:44 pmDCA - FRA

1 stop11h 36mBritish Airways

Tue 5/209:20 amFRA - DCA

1 stop13h 09mBritish Airways

Deal found 4/30

$956

Sun 5/111:52 pmBWI - FRA

1 stop13h 03mVirgin Atlantic

Wed 5/2110:40 amFRA - BWI

1 stop16h 03mVirgin Atlantic

Deal found 4/30

$959

Sun 5/1111:10 amDCA - FRA

1 stop15h 30mVirgin Atlantic

Wed 5/2111:00 amFRA - DCA

1 stop18h 15mVirgin Atlantic

Deal found 4/30

$959

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 May 1, 2025.

Mon 5/128:30 pmIAD - FRA

1 stop13h 25mIcelandair

Deal found 5/1

$355

Tue 7/1510:20 pmIAD - FRA

1 stop14h 30mTAP AIR PORTUGAL

Deal found 4/30

$359

Thu 9/258:30 pmIAD - FRA

2 stops15h 35mMultiple Airlines

Deal found 4/30

$360

Wed 5/2810:05 pmIAD - FRA

1 stop10h 35mScandinavian Airlines

Deal found 5/1

$368

Tue 7/156:50 pmBWI - FRA

2 stops18h 05mMultiple Airlines

Deal found 4/29

$380

Sun 7/208:30 pmBWI - FRA

1 stop10h 30mIcelandair

Deal found 4/30

$405

Mon 5/1211:10 amDCA - FRA

2 stops21h 30mScandinavian Airlines

Deal found 5/1

$415

Sun 5/115:20 pmIAD - FRA

1 stop20h 35mAer Lingus

Deal found 4/30

$479

Tue 5/279:40 amDCA - FRA

2 stops18h 00mWestJet

Deal found 4/30

$489

Sun 7/203:59 pmDCA - FRA

2 stops16h 06mBritish Airways

Deal found 4/30

$491

Mon 5/121:30 pmIAD - FRA

1 stop14h 30mTurkish Airlines

Deal found 5/1

$491

Tue 5/279:40 amDCA - FRA

3 stops42h 35mMultiple Airlines

Deal found 4/30

$493

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

Washington, D.C.Frankfurt am Main

IAD - FRA

IADFRA

Washington, D.C. Dulles Intl

Wed 10/1

10:05 pm-7:45 pm

1 stop15h 40m

Frankfurt am Main

Wed 10/15

3:20 pm-7:59 pm

1 stop10h 39m

$583

Washington, D.C.Frankfurt am Main

IAD - FRA

IADFRA

Washington, D.C. Dulles Intl

Wed 8/6

5:20 pm-10:15 am

1 stop10h 55m

Frankfurt am Main

Wed 8/20

10:55 am-7:30 pm

1 stop14h 35m

$634

Washington, D.C.Frankfurt am Main

IAD - FRA

IADFRA

Washington, D.C. Dulles Intl

Wed 7/30

8:30 pm-6:45 pm

2 stops16h 15m

Frankfurt am Main

Wed 8/13

6:50 am-7:20 pm

2 stops42h 30m

$646

Washington, D.C.Frankfurt am Main

IAD - FRA

IADFRA

Washington, D.C. Dulles Intl

Fri 8/8

8:30 pm-1:00 pm

1 stop10h 30m

Frankfurt am Main

Mon 8/18

5:10 pm-7:20 pm

1 stop32h 10m

$651

Washington, D.C.Frankfurt am Main

DCA - FRA

DCAFRA

Washington, D.C. Reagan-National

Wed 6/4

11:00 am-2:40 pm

2 stops21h 40m

Frankfurt am Main

Wed 6/25

3:20 pm-11:33 pm

2 stops38h 13m

$655

Washington, D.C.Frankfurt am Main

DCA - FRA

DCAFRA

Washington, D.C. Reagan-National

Wed 6/4

5:10 pm-9:50 am

1 stop10h 40m

Frankfurt am Main

Wed 6/11

11:00 am-6:59 pm

1 stop13h 59m

$665

Washington, D.C.Frankfurt am Main

IAD - FRA

IADFRA

Washington, D.C. Dulles Intl

Wed 6/4

12:20 pm-8:40 am

1 stop14h 20m

Frankfurt am Main

Tue 6/10

11:50 am-7:50 pm

1 stop14h 00m

$665

BaltimoreFrankfurt am Main

BWI - FRA

BWIFRA

Baltimore/Washington

Tue 10/28

8:30 pm-12:05 pm

1 stop10h 35m

Frankfurt am Main

Tue 11/11

1:05 pm-6:30 pm

1 stop11h 25m

$666

Washington, D.C.Frankfurt am Main

DCA - FRA

DCAFRA

Washington, D.C. Reagan-National

Tue 7/8

1:41 pm-8:55 am

1 stop13h 14m

Frankfurt am Main

Wed 7/16

11:50 am-10:59 pm

2 stops17h 09m

$669

Washington, D.C.Frankfurt am Main

IAD - FRA

IADFRA

Washington, D.C. Dulles Intl

Tue 6/3

1:00 pm-9:50 am

1 stop14h 50m

Frankfurt am Main

Thu 6/12

11:50 am-12:32 am

2 stops18h 42m

$669

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/1

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 89 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 $1,086). 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, Alaska Airlines and KLM 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

7,934 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

7,934 reviews

Delta

8.0

Very good

7,934 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Alaska Airlines

8.0

Very good

9,972 reviews

Delta

8.0

Very good

7,934 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM

7.8

Good

1,334 reviews

Delta

8.0

Very good

7,934 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Finnair

7.6

Good

1,275 reviews

Delta

8.0

Very good

7,934 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air France

7.4

Good

1,448 reviews

Delta

8.0

Very good

7,934 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 $355 on Icelandair. Other airlines that offer cheap prices include TAP AIR PORTUGAL from $359 and Scandinavian Airlines from $368 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, Baltimore/Washington - Frankfurt am Main or Washington, D.C. Reagan-National - 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 (62%), United Airlines (62%), Lufthansa( 62%).
What are the cheapest flights from Washington, D.C. to Heidelberg?
The cheapest flight price from Washington, D.C. to Heidelberg is $462. On average you can expect to pay $3,072. The most popular route, (Washington, D.C. Dulles Intl - Frankfurt am Main), can usually be booked for $536.
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 $1,086). 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 Karlsruhe flights

Dulles Intl to Friedrichshafen flights

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

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest$472	Average$798	FlexibilityNo cancel fee	On-time76%
Condor	Cheapest$517	Average$774	FlexibilityNo cancel fee	On-time76%
Aer Lingus	Cheapest$530	Average$804	FlexibilityNo cancel fee	On-timeN/A
Scandinavian Airlines	Cheapest$541	Average$707	FlexibilityNo cancel fee	On-time77%
Air France	Cheapest$551	Average$1,781	FlexibilityNo cancel fee	On-time77%
KLM	Cheapest$553	Average$903	FlexibilityNo cancel fee	On-time75%
TAP AIR PORTUGAL	Cheapest$557	Average$911	FlexibilityNo cancel fee	On-timeN/A
British Airways	Cheapest$560	Average$885	FlexibilityNo cancel fee	On-time70%
American Airlines	Cheapest$617	Average$976	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$652	Average$1,026	FlexibilityNo cancel fee	On-timeN/A

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$355+ 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 5/12. 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 January or November, booked 89 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

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 May 1, 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 May 1, 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 May 1, 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 April 25, 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 May 1, 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

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Temperature in Heidelberg by month

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Reviews of airlines servicing Heidelberg

Get a feel of what it's like to fly with Delta, Alaska Airlines and KLM 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?

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Alternative routes for Washington, D.C. to Heidelberg

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

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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 May 1, 2025.