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 $400 on Scandinavian Airlines. Other airlines that offer cheap prices include TAP AIR PORTUGAL from $432 and WestJet from $447 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 $888. On average you can expect to pay $890. The most popular route, (Washington, D.C. Dulles Intl - Frankfurt am Main), can usually be booked for $581.

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

American Airlines, Alaska Airlines 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 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 $904 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.

$308+ 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 January or September, 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	$527 (Mytrip)
One-way from	$345 (Trip.com)
Popular in	May
Cheapest in	January
Average price	$880

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. 9% potential increase in price ($100 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 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 April 15, 2025.

Mon 5/55:45 amBWI - FRA

1 stop17h 30mMultiple Airlines

Tue 5/2011:40 amFRA - BWI

1 stop25h 51mMultiple Airlines

Deal found 4/14

$527

Wed 5/2810:05 pmIAD - FRA

1 stop10h 35mScandinavian Airlines

Tue 6/178:30 pmFRA - IAD

1 stop29h 29mScandinavian Airlines

Deal found 4/15

$579

Wed 5/712:45 pmDCA - FRA

1 stop10h 30mMultiple Airlines

Wed 5/2111:40 amFRA - DCA

1 stop12h 25mMultiple Airlines

Deal found 4/15

$580

Tue 6/1011:00 amDCA - FRA

2 stops21h 40mScandinavian Airlines

Wed 6/188:30 pmFRA - DCA

2 stops33h 03mScandinavian Airlines

Deal found 4/14

$673

Mon 5/510:20 pmIAD - FRA

1 stop14h 30mTAP AIR PORTUGAL

Tue 5/137:40 pmFRA - IAD

1 stop25h 40mTAP AIR PORTUGAL

Deal found 4/14

$683

Tue 5/135:00 pmIAD - FRA

2 stops18h 50mMultiple Airlines

Tue 5/207:10 pmFRA - IAD

2 stops26h 10mMultiple Airlines

Deal found 4/15

$717

Tue 8/55:20 pmIAD - FRA

1 stop10h 55mAer Lingus

Tue 8/1210:55 amFRA - IAD

1 stop14h 35mAer Lingus

Deal found 4/14

$742

Wed 5/141:30 pmIAD - FRA

1 stop14h 30mTurkish Airlines

Wed 5/216:55 pmFRA - IAD

1 stop22h 50mTurkish Airlines

Deal found 4/15

$755

Fri 12/57:30 pmBWI - FRA

1 stop10h 35mIcelandair

Fri 12/121:05 pmFRA - BWI

1 stop11h 25mIcelandair

Deal found 4/15

$765

Tue 5/136:30 pmIAD - FRA

1 stop10h 35mLufthansa

Tue 5/201:10 pmFRA - IAD

Nonstop8h 40mLufthansa

Deal found 4/14

$793

Tue 5/62:25 pmIAD - FRA

1 stop14h 45mAir Canada

Tue 5/207:35 pmFRA - IAD

2 stops22h 04mAir Canada

Deal found 4/15

$796

Wed 12/311:00 amDCA - FRA

1 stop14h 25mAir Canada

Fri 12/129:45 amFRA - DCA

1 stop11h 34mAir Canada

Deal found 4/14

$823

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 April 15, 2025.

Mon 5/55:45 amBWI - FRA

1 stop17h 30mMultiple Airlines

Tue 5/2011:40 amFRA - BWI

1 stop25h 51mMultiple Airlines

Deal found 4/14

$527

Tue 5/2710:05 pmIAD - FRA

1 stop15h 40mScandinavian Airlines

Tue 10/78:30 pmFRA - IAD

1 stop29h 29mScandinavian Airlines

Deal found 4/15

$602

Mon 5/510:20 pmIAD - FRA

1 stop14h 30mTAP AIR PORTUGAL

Tue 5/137:40 pmFRA - IAD

1 stop25h 40mTAP AIR PORTUGAL

Deal found 4/14

$683

Thu 5/81:30 pmIAD - FRA

1 stop22h 00mTurkish Airlines

Fri 5/163:05 pmFRA - IAD

1 stop34h 40mTurkish Airlines

Deal found 4/13

$757

Tue 5/136:30 pmIAD - FRA

1 stop10h 35mLufthansa

Tue 5/2010:30 amFRA - IAD

Nonstop9h 00mLufthansa

Deal found 4/15

$793

Tue 5/62:25 pmIAD - FRA

1 stop14h 45mAir Canada

Tue 5/207:35 pmFRA - IAD

2 stops22h 04mAir Canada

Deal found 4/15

$796

Mon 6/165:20 pmIAD - FRA

1 stop10h 55mAer Lingus

Thu 7/1010:55 amFRA - IAD

1 stop14h 00mAer Lingus

Deal found 4/14

$808

Wed 5/78:30 pmBWI - FRA

1 stop10h 30mIcelandair

Wed 5/212:00 pmFRA - BWI

1 stop11h 25mIcelandair

Deal found 4/15

$839

Mon 5/59:40 amDCA - FRA

1 stop16h 30mUnited Airlines

Tue 5/139:55 amFRA - DCA

1 stop11h 54mUnited Airlines

Deal found 4/14

$874

Mon 5/51:45 pmBWI - FRA

1 stop11h 35mAmerican Airlines

Tue 5/139:20 amFRA - BWI

1 stop13h 17mAmerican Airlines

Deal found 4/14

$879

Tue 5/131:45 pmBWI - FRA

1 stop11h 35mBritish Airways

Tue 5/209:20 amFRA - BWI

1 stop13h 17mBritish Airways

Deal found 4/14

$885

Sun 5/111:00 pmBWI - FRA

1 stop14h 50mDelta

Tue 5/2010:40 amFRA - BWI

1 stop16h 03mDelta

Deal found 4/15

$890

Last-minute flights from Washington, D.C. to Heidelberg
Discover last-minute flight deals from Washington, D.C. to Heidelberg. Data last updated April 15, 2025 and is based on user searches.

Sun 4/205:45 pmIAD - FRA

1 stop12h 55mTAP AIR PORTUGAL

Fri 4/256:05 amFRA - IAD

1 stop15h 15mTAP AIR PORTUGAL

Deal found 4/14

$925

Mon 4/2110:05 pmIAD - FRA

1 stop10h 35mScandinavian Airlines

Mon 4/283:20 pmFRA - IAD

1 stop10h 39mScandinavian Airlines

Deal found 4/15

$756

Mon 4/217:55 pmBWI - FRA

1 stop35h 45mMultiple Airlines

Mon 4/289:30 pmFRA - BWI

2 stops40h 50mMultiple Airlines

Deal found 4/14

$860

Mon 4/218:30 pmBWI - FRA

1 stop13h 25mIcelandair

Mon 4/282:00 pmFRA - BWI

1 stop11h 25mIcelandair

Deal found 4/14

$869

Mon 4/2110:05 pmIAD - FRA

3 stops27h 30mMultiple Airlines

Mon 4/289:00 pmFRA - IAD

2 stops28h 59mMultiple Airlines

Deal found 4/14

$1,034

Mon 4/216:40 pmDCA - FRA

2 stops15h 15mMultiple Airlines

Fri 4/252:00 pmFRA - DCA

2 stops14h 28mMultiple Airlines

Deal found 4/14

$1,399

Mon 4/219:40 amDCA - FRA

1 stop14h 50mAir Canada

Fri 4/252:00 pmFRA - DCA

1 stop14h 28mAir Canada

Deal found 4/14

$1,498

Tue 4/226:30 pmIAD - FRA

1 stop11h 35mLufthansa

Tue 4/291:10 pmFRA - IAD

Nonstop8h 40mLufthansa

Deal found 4/15

$1,098

Tue 4/227:06 amBWI - FRA

1 stop23h 04mAlaska Airlines

Sat 4/261:45 pmFRA - BWI

1 stop22h 01mAlaska Airlines

Deal found 4/15

$1,569

Tue 4/223:43 pmBWI - FRA

2 stops35h 57mWestJet

Sat 4/263:15 pmFRA - BWI

2 stops33h 30mWestJet

Deal found 4/15

$1,674

Thu 4/248:30 pmIAD - FRA

1 stop13h 25mIcelandair

Tue 5/205:10 pmFRA - IAD

1 stop32h 10mIcelandair

Deal found 4/15

$2,107

Fri 4/251:30 pmIAD - FRA

1 stop25h 30mTurkish Airlines

Mon 4/283:05 pmFRA - IAD

1 stop26h 40mTurkish Airlines

Deal found 4/14

$853

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 April 15, 2025.

Sun 6/298:30 pmIAD - FRA

2 stops16h 20mMultiple Airlines

Deal found 4/15

$345

Sat 5/108:44 pmBWI - FRA

3 stops55h 31mMultiple Airlines

Deal found 4/14

$374

Tue 4/2910:05 pmIAD - FRA

1 stop15h 40mScandinavian Airlines

Deal found 4/15

$400

Thu 5/110:20 pmIAD - FRA

1 stop14h 30mTAP AIR PORTUGAL

Deal found 4/15

$432

Tue 5/208:45 amDCA - FRA

2 stops18h 55mWestJet

Deal found 4/14

$447

Tue 5/209:55 amBWI - FRA

2 stops17h 45mWestJet

Deal found 4/14

$485

Mon 5/512:45 pmDCA - FRA

1 stop10h 30mMultiple Airlines

Deal found 4/14

$489

Wed 4/301:30 pmIAD - FRA

1 stop17h 55mTurkish Airlines

Deal found 4/15

$502

Tue 6/2411:00 amDCA - FRA

2 stops21h 40mScandinavian Airlines

Deal found 4/14

$528

Mon 5/58:17 pmBWI - FRA

2 stops20h 08mBritish Airways

Deal found 4/14

$535

Mon 5/54:16 pmDCA - FRA

2 stops14h 29mBritish Airways

Deal found 4/14

$535

Mon 5/51:59 pmIAD - FRA

2 stops16h 46mBritish Airways

Deal found 4/14

$535

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

Mon 5/5

5:45 am-5:15 am

1 stop17h 30m

Frankfurt am Main

Tue 5/20

11:40 am-7:31 am

1 stop25h 51m

$527

Washington, D.C.Frankfurt am Main

IAD - FRA

IADFRA

Washington, D.C. Dulles Intl

Wed 5/28

10:05 pm-2:40 pm

1 stop10h 35m

Frankfurt am Main

Tue 6/17

8:30 pm-7:59 pm

1 stop29h 29m

$579

Washington, D.C.Frankfurt am Main

DCA - FRA

DCAFRA

Washington, D.C. Reagan-National

Wed 5/7

12:45 pm-5:15 am

1 stop10h 30m

Frankfurt am Main

Wed 5/21

11:40 am-6:05 pm

1 stop12h 25m

$580

Washington, D.C.Frankfurt am Main

DCA - FRA

DCAFRA

Washington, D.C. Reagan-National

Tue 6/10

11:00 am-2:40 pm

2 stops21h 40m

Frankfurt am Main

Wed 6/18

8:30 pm-11:33 pm

2 stops33h 03m

$673

Washington, D.C.Frankfurt am Main

IAD - FRA

IADFRA

Washington, D.C. Dulles Intl

Mon 5/5

10:20 pm-6:50 pm

1 stop14h 30m

Frankfurt am Main

Tue 5/13

7:40 pm-3:20 pm

1 stop25h 40m

$683

Washington, D.C.Frankfurt am Main

IAD - FRA

IADFRA

Washington, D.C. Dulles Intl

Tue 5/13

5:00 pm-6:45 pm

2 stops19h 45m

Frankfurt am Main

Tue 5/20

12:35 pm-3:20 pm

2 stops32h 45m

$717

Washington, D.C.Frankfurt am Main

IAD - FRA

IADFRA

Washington, D.C. Dulles Intl

Tue 8/5

5:20 pm-10:15 am

1 stop10h 55m

Frankfurt am Main

Tue 8/12

10:55 am-7:30 pm

1 stop14h 35m

$742

Washington, D.C.Frankfurt am Main

IAD - FRA

IADFRA

Washington, D.C. Dulles Intl

Wed 5/14

1:30 pm-10:00 am

1 stop14h 30m

Frankfurt am Main

Wed 5/21

6:55 pm-11:45 am

1 stop22h 50m

$755

Washington, D.C.Frankfurt am Main

IAD - FRA

IADFRA

Washington, D.C. Dulles Intl

Tue 5/13

6:30 pm-11:05 am

1 stop10h 35m

Frankfurt am Main

Tue 5/20

1:10 pm-3:50 pm

Nonstop8h 40m

$793

Washington, D.C.Frankfurt am Main

IAD - FRA

IADFRA

Washington, D.C. Dulles Intl

Tue 5/6

2:25 pm-11:10 am

1 stop14h 45m

Frankfurt am Main

Tue 5/20

7:35 pm-11:39 am

2 stops22h 04m

$796

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/14

Showing 1-10 of 57 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 $1,079). 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 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 (11 on average). You will have fewer flight options on Monday, 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, Air New Zealand and Alaska 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

7,917 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

7,917 reviews

Delta

8.0

Very good

7,917 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 New Zealand

8.0

Very good

464 reviews

Delta

8.0

Very good

7,917 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

9,876 reviews

Delta

8.0

Very good

7,917 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

1,323 reviews

Delta

8.0

Very good

7,917 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

1,269 reviews

Delta

8.0

Very good

7,917 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 $400 on Scandinavian Airlines. Other airlines that offer cheap prices include TAP AIR PORTUGAL from $432 and WestJet from $447 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 $888. On average you can expect to pay $890. The most popular route, (Washington, D.C. Dulles Intl - Frankfurt am Main), can usually be booked for $581.
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 $1,079). 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

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
PLAY	Cheapest$406	Average$502	FlexibilityNo cancel fee	On-timeN/A
Icelandair	Cheapest$472	Average$802	FlexibilityNo cancel fee	On-time76%
Condor	Cheapest$518	Average$790	FlexibilityNo cancel fee	On-time76%
Aer Lingus	Cheapest$530	Average$813	FlexibilityNo cancel fee	On-timeN/A
Scandinavian Airlines	Cheapest$541	Average$711	FlexibilityNo cancel fee	On-time77%
Air France	Cheapest$551	Average$1,781	FlexibilityNo cancel fee	On-time77%
KLM	Cheapest$553	Average$952	FlexibilityNo cancel fee	On-time75%
TAP AIR PORTUGAL	Cheapest$557	Average$921	FlexibilityNo cancel fee	On-timeN/A
British Airways	Cheapest$604	Average$899	FlexibilityNo cancel fee	On-time70%
American Airlines	Cheapest$617	Average$978	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.

$308+ 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 8/17. 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 September, 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 April 15, 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 April 15, 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 April 15, 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 11, 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 April 15, 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, Air New Zealand and Alaska 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 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 April 15, 2025.