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

The cheapest airline one-way is Icelandair, with whom users have recently found tickets for as low as $231. However, be on the lookout for offers from TAP AIR PORTUGAL and Scandinavian Airlines, as they are both options that can get you from Washington, D.C. Dulles Intl Airport to Heidelberg for a low price.

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

On average you can expect to pay $3,988 for a flight from Washington, D.C. Dulles Intl Airport to Heidelberg. The cheapest flight overall is $324 while the most popular route, (Washington, D.C. Dulles Intl - Frankfurt am Main) is currently priced at $458.

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

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Washington, D.C. Dulles Intl Airport to Heidelberg on time: Thai Airways (57%), Air India (57%), Air Canada (56%).

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

The most popular airlines flying from Washington, D.C. Dulles Intl Airport to Heidelberg are American Airlines, Air France and British Airways. Something to consider prior to booking your flight.

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

September is one of the best times of the year to fly to Heidelberg from Washington, D.C. Dulles Intl Airport. Prices for September average $876 per person but you can even find prices for as low as $526. The most expensive prices can be found in the month of December. Opting for a September flight can save you 28% on your journey compared to booking in December

Can I find deals for flights from Dulles Intl to Heidelberg that include hotel bookings?

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

How can I find direct flights from Dulles Intl to Heidelberg?

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

Can I find deals for business class flights from Dulles Intl to Heidelberg?

Yes. Cheapflights offers flight deals from Dulles Intl 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.

$231+ Flights from Washington, D.C. Dulles Intl Airport to Heidelberg

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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”

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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Heidelberg are usually found in February or January, booked 69 days in advance, depart on a Tuesday or Wednesday and return on a Thursday

Cheap flight deals from Dulles Intl to Heidelberg

Round-trip from	$652 (FlightHub)
One-way from	$231 (Mytrip)
Popular in	June
Cheapest in	February
Average price	$1,173

From Washington, D.C. Dulles Intl to Heidelberg

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One-way flight from Washington, D.C. Dulles Intl to Heidelberg

Search Deals

Highest demand for flights based on searches. 14% potential increase in price ($156 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 June 2025

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Find flight deals from Dulles Intl to Heidelberg

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

Thu 7/108:30 pmIAD - FRA

1 stop13h 40mIcelandair

Fri 8/155:10 pmFRA - IAD

1 stop11h 00mIcelandair

Deal found 6/10

$652

Wed 7/3012:45 pmIAD - FRA

2 stops13h 55mVirgin Atlantic

Tue 8/2611:00 amFRA - IAD

2 stops18h 21mVirgin Atlantic

Deal found 6/11

$659

Tue 8/196:10 pmIAD - FRA

Nonstop7h 50mLufthansa

Tue 9/21:10 pmFRA - IAD

Nonstop8h 40mLufthansa

Deal found 6/10

$663

Mon 8/49:45 amIAD - FRA

1 stop19h 15mMultiple Airlines

Wed 8/138:40 amFRA - IAD

1 stop12h 10mMultiple Airlines

Deal found 6/11

$667

Mon 10/272:06 pmIAD - FRA

1 stop13h 44mBritish Airways

Tue 11/47:25 amFRA - IAD

2 stops18h 06mBritish Airways

Deal found 6/12

$671

Wed 10/86:40 pmIAD - FRA

1 stop10h 25mUnited Airlines

Thu 10/1612:20 pmFRA - IAD

Nonstop8h 55mUnited Airlines

Deal found 6/10

$673

Wed 10/81:00 pmIAD - FRA

1 stop12h 10mAir Canada

Fri 10/179:55 amFRA - IAD

2 stops17h 30mAir Canada

Deal found 6/10

$676

Tue 9/912:13 pmIAD - FRA

2 stops25h 32mScandinavian Airlines

Wed 10/18:30 pmFRA - IAD

1 stop29h 29mScandinavian Airlines

Deal found 6/11

$680

Sat 9/135:25 pmIAD - FRA

1 stop33h 30mDelta

Tue 9/2311:50 amFRA - IAD

2 stops17h 10mDelta

Deal found 6/10

$694

Fri 9/261:30 pmIAD - FRA

1 stop22h 00mTurkish Airlines

Fri 10/36:55 pmFRA - IAD

1 stop22h 50mTurkish Airlines

Deal found 6/12

$721

Thu 7/1011:49 amIAD - FRA

1 stop14h 56mAmerican Airlines

Fri 8/1510:40 amFRA - IAD

2 stops18h 16mAmerican Airlines

Deal found 6/11

$723

Sat 8/235:10 pmIAD - FRA

2 stops37h 40mAustrian Airlines

Mon 9/19:45 pmFRA - IAD

1 stop22h 50mAustrian Airlines

Deal found 6/11

$725

Best flights from Dulles Intl to Heidelberg
Discover carefully curated flight deals from Dulles Intl to Heidelberg that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 12, 2025.

Thu 7/108:30 pmIAD - FRA

1 stop13h 40mIcelandair

Fri 8/155:10 pmFRA - IAD

1 stop11h 00mIcelandair

Deal found 6/10

$652

Wed 7/3012:45 pmIAD - FRA

2 stops13h 55mVirgin Atlantic

Tue 8/2611:00 amFRA - IAD

2 stops18h 21mVirgin Atlantic

Deal found 6/11

$659

Tue 8/196:10 pmIAD - FRA

Nonstop7h 50mLufthansa

Tue 9/21:10 pmFRA - IAD

Nonstop8h 40mLufthansa

Deal found 6/10

$663

Mon 8/49:45 amIAD - FRA

1 stop19h 15mMultiple Airlines

Wed 8/138:40 amFRA - IAD

1 stop12h 10mMultiple Airlines

Deal found 6/11

$667

Mon 9/89:45 amIAD - FRA

1 stop19h 15mUnited Airlines

Tue 9/2312:20 pmFRA - IAD

Nonstop8h 55mUnited Airlines

Deal found 6/10

$669

Thu 8/2110:05 pmIAD - FRA

1 stop10h 35mScandinavian Airlines

Tue 9/28:30 pmFRA - IAD

1 stop29h 29mScandinavian Airlines

Deal found 6/11

$673

Mon 8/45:23 pmIAD - FRA

1 stop10h 27mDelta

Wed 8/1310:40 amFRA - IAD

1 stop14h 09mDelta

Deal found 6/10

$676

Fri 8/810:40 pmIAD - FRA

1 stop17h 10mBritish Airways

Sat 8/166:40 amFRA - IAD

1 stop19h 35mBritish Airways

Deal found 6/11

$693

Wed 7/3010:20 amIAD - FRA

2 stops15h 50mAir Canada

Wed 8/137:50 amFRA - IAD

2 stops19h 11mAir Canada

Deal found 6/12

$696

Tue 7/2910:40 pmIAD - FRA

1 stop15h 10mAmerican Airlines

Thu 8/79:20 amFRA - IAD

1 stop16h 29mAmerican Airlines

Deal found 6/10

$698

Sat 8/235:10 pmIAD - FRA

2 stops37h 40mAustrian Airlines

Tue 9/26:40 amFRA - IAD

1 stop13h 55mAustrian Airlines

Deal found 6/11

$725

Mon 9/88:45 pmIAD - FRA

2 stops14h 05mSWISS

Mon 9/298:45 pmFRA - IAD

1 stop25h 30mSWISS

Deal found 6/11

$731

Last-minute flights from Dulles Intl to Heidelberg
Discover last-minute flight deals from Dulles Intl to Heidelberg. Data last updated June 12, 2025 and is based on user searches.

Tue 6/178:14 pmIAD - FRA

2 stops17h 36mBritish Airways

Tue 9/306:40 amFRA - IAD

1 stop15h 20mBritish Airways

Deal found 6/11

$734

Tue 6/174:30 pmIAD - FRA

1 stop12h 20mITA Airways

Wed 10/16:15 pmFRA - IAD

1 stop26h 25mITA Airways

Deal found 6/10

$970

Tue 6/1712:13 pmIAD - FRA

1 stop14h 27mVirgin Atlantic

Wed 6/2510:40 amFRA - IAD

1 stop18h 34mVirgin Atlantic

Deal found 6/10

$994

Tue 6/1712:13 pmIAD - FRA

1 stop14h 27mKLM

Sun 6/2210:40 amFRA - IAD

1 stop14h 04mKLM

Deal found 6/10

$1,064

Tue 6/179:10 amIAD - FRA

1 stop16h 10mAmerican Airlines

Tue 9/306:40 amFRA - IAD

1 stop15h 20mAmerican Airlines

Deal found 6/10

$1,314

Wed 6/1810:15 amIAD - FRA

2 stops14h 45mAir Canada

Sun 6/225:50 pmFRA - IAD

2 stops33h 37mAir Canada

Deal found 6/12

$1,302

Wed 6/1812:49 pmIAD - FRA

1 stop14h 06mDelta

Thu 10/210:40 amFRA - IAD

1 stop14h 02mDelta

Deal found 6/10

$1,361

Thu 6/1910:05 pmIAD - FRA

1 stop15h 40mScandinavian Airlines

Tue 9/308:30 pmFRA - IAD

1 stop29h 29mScandinavian Airlines

Deal found 6/11

$980

Thu 6/199:05 pmIAD - FRA

1 stop13h 50mRoyal Air Maroc

Mon 6/235:55 pmFRA - IAD

1 stop31h 10mRoyal Air Maroc

Deal found 6/10

$1,274

Fri 6/209:40 pmIAD - FRA

1 stop30h 20mTurkish Airlines

Sun 6/297:05 amFRA - IAD

1 stop34h 40mTurkish Airlines

Deal found 6/10

$864

Sun 6/2211:15 pmIAD - FRA

1 stop24h 45mIcelandair

Wed 10/15:10 pmFRA - IAD

1 stop11h 00mIcelandair

Deal found 6/10

$685

Sun 6/2211:15 pmIAD - FRA

1 stop24h 45mMultiple Airlines

Sun 9/289:00 pmFRA - IAD

2 stops24h 20mMultiple Airlines

Deal found 6/10

$910

One-way flights from Dulles Intl to Heidelberg
Search for one-way flight options from Dulles Intl to Heidelberg. Find affordable one-way fares based on user searches. Data last updated June 12, 2025.

Tue 8/128:30 pmIAD - FRA

1 stop10h 30mIcelandair

Deal found 6/10

$231

Tue 7/158:30 pmIAD - FRA

2 stops17h 55mMultiple Airlines

Deal found 6/10

$275

Sun 8/1010:20 pmIAD - FRA

1 stop32h 20mTAP AIR PORTUGAL

Deal found 6/10

$276

Tue 8/1212:13 pmIAD - FRA

2 stops25h 32mScandinavian Airlines

Deal found 6/12

$364

Sun 7/279:35 amIAD - FRA

2 stops14h 55mAir Canada

Deal found 6/11

$432

Sun 7/276:10 pmIAD - FRA

Nonstop7h 50mLufthansa

Deal found 6/11

$436

Sat 8/307:25 pmIAD - FRA

1 stop21h 15mBritish Airways

Deal found 6/12

$444

Sat 7/55:31 pmIAD - FRA

1 stop32h 39mUnited Airlines

Deal found 6/10

$474

Fri 7/44:30 pmIAD - FRA

1 stop18h 55mITA Airways

Deal found 6/11

$534

Wed 7/26:45 pmIAD - FRA

1 stop33h 05mWestJet

Deal found 6/10

$559

Thu 7/38:33 pmIAD - FRA

1 stop30h 07mDelta

Deal found 6/10

$580

Fri 8/225:10 pmIAD - FRA

2 stops39h 40mAustrian Airlines

Deal found 6/11

$622

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport 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

Thu 7/10

8:30 pm-4:10 pm

1 stop13h 40m

Frankfurt am Main

Fri 8/15

5:10 pm-10:10 pm

1 stop11h 00m

$652

Washington, D.C.Frankfurt am Main

IAD - FRA

IADFRA

Washington, D.C. Dulles Intl

Wed 7/30

12:45 pm-8:40 am

2 stops13h 55m

Frankfurt am Main

Tue 8/26

11:00 am-11:21 pm

2 stops18h 21m

$659

Washington, D.C.Frankfurt am Main

IAD - FRA

IADFRA

Washington, D.C. Dulles Intl

Tue 8/19

6:10 pm-8:00 am

Nonstop7h 50m

Frankfurt am Main

Tue 9/2

1:10 pm-3:50 pm

Nonstop8h 40m

$663

Washington, D.C.Frankfurt am Main

IAD - FRA

IADFRA

Washington, D.C. Dulles Intl

Mon 8/4

9:45 am-11:00 am

1 stop19h 15m

Frankfurt am Main

Wed 8/13

8:40 am-2:50 pm

1 stop12h 10m

$667

Washington, D.C.Frankfurt am Main

IAD - FRA

IADFRA

Washington, D.C. Dulles Intl

Mon 10/27

2:06 pm-8:50 am

1 stop13h 44m

Frankfurt am Main

Tue 11/4

7:25 am-7:31 pm

2 stops18h 06m

$671

Washington, D.C.Frankfurt am Main

IAD - FRA

IADFRA

Washington, D.C. Dulles Intl

Wed 10/8

6:40 pm-11:05 am

1 stop10h 25m

Frankfurt am Main

Thu 10/16

12:20 pm-3:15 pm

Nonstop8h 55m

$673

Washington, D.C.Frankfurt am Main

IAD - FRA

IADFRA

Washington, D.C. Dulles Intl

Wed 10/8

1:00 pm-7:10 am

1 stop12h 10m

Frankfurt am Main

Fri 10/17

9:55 am-9:25 pm

2 stops17h 30m

$676

Washington, D.C.Frankfurt am Main

IAD - FRA

IADFRA

Washington, D.C. Dulles Intl

Tue 9/9

12:13 pm-7:45 pm

2 stops25h 32m

Frankfurt am Main

Wed 10/1

8:30 pm-7:59 pm

1 stop29h 29m

$680

Washington, D.C.Frankfurt am Main

IAD - FRA

IADFRA

Washington, D.C. Dulles Intl

Sat 9/13

5:25 pm-8:55 am

1 stop33h 30m

Frankfurt am Main

Wed 9/24

11:00 am-11:17 pm

2 stops18h 17m

$694

Washington, D.C.Frankfurt am Main

IAD - FRA

IADFRA

Washington, D.C. Dulles Intl

Fri 9/26

1:30 pm-5:30 pm

1 stop22h 00m

Frankfurt am Main

Fri 10/3

6:55 pm-11:45 am

1 stop22h 50m

$721

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 25 results

Best time to book a flight from Dulles Intl to Heidelberg

Have a flexible travel schedule? Discover the best time to fly to Heidelberg from Dulles Intl 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. Dulles Intl Airport to Heidelberg

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

The best time to book flights from Washington, D.C. Dulles Intl Airport to Heidelberg is 69 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

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

When flying from Washington, D.C. Dulles Intl Airport 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 Washington, D.C. Dulles Intl Airport to Heidelberg?

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Heidelberg flight should consider departing on Monday at noon 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. Dulles Intl Airport to Heidelberg

The most flights from IAD 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, Austrian Airlines and SWISS from Washington, D.C. to Heidelberg by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,946 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

7,946 reviews

Delta

8.0

Very good

7,946 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

802 reviews

Delta

8.0

Very good

7,946 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

1,623 reviews

Delta

8.0

Very good

7,946 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!

United Airlines

7.4

Good

8,790 reviews

Delta

8.0

Very good

7,946 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!

Virgin Atlantic

7.4

Good

652 reviews

Delta

8.0

Very good

7,946 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. Dulles Intl Airport to Heidelberg one-way?
The cheapest airline one-way is Icelandair, with whom users have recently found tickets for as low as $231. However, be on the lookout for offers from TAP AIR PORTUGAL and Scandinavian Airlines, as they are both options that can get you from Washington, D.C. Dulles Intl Airport to Heidelberg for a low price.
What are the most reliable airlines from Washington, D.C. Dulles Intl Airport to Heidelberg?
Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Washington, D.C. Dulles Intl Airport to Heidelberg on time: Thai Airways (57%), Air India (57%), Air Canada (56%).
What are the cheapest flights from Washington, D.C. Dulles Intl Airport to Heidelberg?
On average you can expect to pay $3,988 for a flight from Washington, D.C. Dulles Intl Airport to Heidelberg. The cheapest flight overall is $324 while the most popular route, (Washington, D.C. Dulles Intl - Frankfurt am Main) is currently priced at $458.
Can I find deals for flights from Dulles Intl to Heidelberg that include hotel bookings?
Yes. In addition to deals on Dulles Intl to Heidelberg flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Dulles Intl to Heidelberg?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Heidelberg.
Can I find deals for business class flights from Dulles Intl to Heidelberg?
Yes. Cheapflights offers flight deals from Dulles Intl 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. Dulles Intl Airport to Heidelberg?
Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Heidelberg (average of $729). Flying from Washington, D.C. Dulles Intl Airport 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 Dulles Intl to Heidelberg

Dulles Intl to Frankfurt flights

Dulles Intl to Munich flights

Baltimore to Frankfurt flights

Reagan-National to Frankfurt flights

Baltimore to Munich flights

Reagan-National to Munich flights

Dulles Intl to Stuttgart flights

Reagan-National to Stuttgart flights

Baltimore to Stuttgart flights

Baltimore to Friedrichshafen flights

Dulles Intl to Friedrichshafen flights

Dulles Intl to Karlsruhe flights

Top 10 airlines flying from Dulles Intl to Heidelberg

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest$471	Average$718	FlexibilityNo cancel fee	On-time76%
Aer Lingus	Cheapest$530	Average$807	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$775	FlexibilityNo cancel fee	On-time75%
TAP AIR PORTUGAL	Cheapest$557	Average$952	FlexibilityNo cancel fee	On-timeN/A
British Airways	Cheapest$564	Average$749	FlexibilityNo cancel fee	On-time70%
American Airlines	Cheapest$617	Average$862	FlexibilityNo cancel fee	On-time71%
Lufthansa	Cheapest$653	Average$1,032	FlexibilityNo cancel fee	On-time76%
Turkish Airlines	Cheapest$656	Average$831	FlexibilityNo cancel fee	On-time77%

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$231+ Cheap flights from Dulles Intl (IAD) 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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dulles Intl 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. Dulles Intl to Heidelberg are usually found in February or January, booked 69 days in advance, depart on a Tuesday or Wednesday and return on a Thursday

Cheap flight deals from Dulles Intl to Heidelberg

Keep the following information in mind while searching for Dulles Intl to Heidelberg flight deals. Data was last updated June 12, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Dulles Intl to Heidelberg

Cheapest flights from Dulles Intl to HeidelbergExplore the most affordable flight options available from Dulles Intl to Heidelberg. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Explore the most affordable flight options available from Dulles Intl to Heidelberg. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Dulles Intl to Heidelberg

Have a flexible travel schedule? Discover the best time to fly to Heidelberg from Dulles Intl with our price prediction graph.

Cheapflights Insights

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

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

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Heidelberg. Price data was last updated on June 9, 2025.

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

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

Find hourly flight availability from Dulles Intl 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 12, 2025.

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

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

Weekly flight availability from Washington, D.C. Dulles Intl Airport 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, Austrian Airlines and SWISS from Washington, D.C. to Heidelberg by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl 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. Dulles Intl Airport to Heidelberg one-way?

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

Can I find deals for flights from Dulles Intl to Heidelberg that include hotel bookings?

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

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Alternative routes for Dulles Intl to Heidelberg

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Top 10 airlines flying from Dulles Intl to Heidelberg

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