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Heidelberg

$299+ 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 9/14. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — FRA
Aug 7 — Aug 141
Thu 8/7
Thu 8/14
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Heidelberg are usually found in February or September, booked 15 days in advance, depart on a Wednesday or Tuesday 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 August 2, 2025.

Round-trip from

$671
(oojo)

One-way from

$299
(AirNGo)

Popular in

June

Cheapest in

February

Average price

$812
From Washington, D.C. Dulles Intl to Heidelberg
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One-way flight from Washington, D.C. Dulles Intl to Heidelberg
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Highest demand for flights based on searches. 13% potential increase in price ($150 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 2, 2025.

This oojo deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/255:30 pmIAD - FRA
1 stop17h 25mTAP AIR PORTUGAL
Mon 12/15:45 pmFRA - IAD
1 stop26h 50mTAP AIR PORTUGAL
Deal found 7/31$671
This Cheapflightsfares deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1812:13 pmIAD - FRA
2 stops25h 32mScandinavian Airlines
Tue 9/163:20 pmFRA - IAD
1 stop10h 39mScandinavian Airlines
Deal found 8/1$674
This FlightHub deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1111:15 pmIAD - FRA
1 stop31h 45mIcelandair
Sun 10/195:10 pmFRA - IAD
1 stop32h 10mIcelandair
Deal found 8/1$675
This FlightHub deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/191:30 pmIAD - FRA
1 stop14h 30mTurkish Airlines
Wed 9/243:05 pmFRA - IAD
1 stop34h 40mTurkish Airlines
Deal found 7/29$677
This Mytrip deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/710:20 pmIAD - FRA
3 stops29h 15mMultiple Airlines
Tue 9/167:55 pmFRA - IAD
3 stops30h 55mMultiple Airlines
Deal found 7/31$680
This FlightHub deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/297:00 pmIAD - FRA
Nonstop7h 40mLufthansa
Wed 11/1212:55 pmFRA - IAD
Nonstop8h 55mLufthansa
Deal found 8/1$688
This United Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/296:15 pmIAD - FRA
Nonstop7h 55mUnited Airlines
Wed 11/1212:55 pmFRA - IAD
Nonstop8h 55mUnited Airlines
Deal found 7/31$691
This Billigflug deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/241:15 pmIAD - FRA
1 stop11h 15mAir Canada
Tue 9/25:10 pmFRA - IAD
Nonstop8h 50mAir Canada
Deal found 8/1$694

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Heidelberg that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 2, 2025.
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

Dulles Intl

Fly to

Heidelberg

Route

Depart

Return

Price

Washington, D.C.Frankfurt am Main

IAD - FRA

IADFRA

Washington, D.C. Dulles Intl

Mon 8/18

12:13 pm-7:45 pm

2 stops25h 32m

Frankfurt am Main

Tue 9/16

3:20 pm-7:59 pm

1 stop10h 39m

$674

Washington, D.C.Frankfurt am Main

IAD - FRA

IADFRA

Washington, D.C. Dulles Intl

Sat 10/11

11:15 pm-1:00 pm

1 stop31h 45m

Frankfurt am Main

Sun 10/19

5:10 pm-7:20 pm

1 stop32h 10m

$675

Washington, D.C.Frankfurt am Main

IAD - FRA

IADFRA

Washington, D.C. Dulles Intl

Fri 9/19

1:30 pm-10:00 am

1 stop14h 30m

Frankfurt am Main

Wed 9/24

3:05 pm-7:45 pm

1 stop34h 40m

$677

Washington, D.C.Frankfurt am Main

IAD - FRA

IADFRA

Washington, D.C. Dulles Intl

Sun 9/7

10:20 pm-9:35 am

3 stops29h 15m

Frankfurt am Main

Tue 9/16

7:55 pm-8:50 pm

3 stops30h 55m

$680

Washington, D.C.Frankfurt am Main

IAD - FRA

IADFRA

Washington, D.C. Dulles Intl

Wed 10/29

7:00 pm-7:40 am

Nonstop7h 40m

Frankfurt am Main

Wed 11/12

12:55 pm-3:50 pm

Nonstop8h 55m

$688

Washington, D.C.Frankfurt am Main

IAD - FRA

IADFRA

Washington, D.C. Dulles Intl

Wed 10/29

6:15 pm-7:10 am

Nonstop7h 55m

Frankfurt am Main

Wed 11/12

12:55 pm-3:50 pm

Nonstop8h 55m

$691

Washington, D.C.Frankfurt am Main

IAD - FRA

IADFRA

Washington, D.C. Dulles Intl

Sat 9/27

10:35 pm-12:40 pm

1 stop32h 05m

Frankfurt am Main

Mon 12/1

1:25 pm-2:35 pm

1 stop31h 10m

$706

Washington, D.C.Frankfurt am Main

IAD - FRA

IADFRA

Washington, D.C. Dulles Intl

Sun 9/14

10:20 pm-12:40 pm

1 stop32h 20m

$299

Washington, D.C.Frankfurt am Main

IAD - FRA

IADFRA

Washington, D.C. Dulles Intl

Mon 8/25

10:20 pm-9:45 am

2 stops29h 25m

$301

Washington, D.C.Frankfurt am Main

IAD - FRA

IADFRA

Washington, D.C. Dulles Intl

Wed 8/20

10:05 pm-2:40 pm

1 stop10h 35m

$388

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

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?

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 July 25, 2025.

The best time to book flights from Washington, D.C. Dulles Intl Airport to Heidelberg is 15 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?

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 August 2, 2025.

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?

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.

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

Explore weekly flight availability from Dulles Intl to Heidelberg. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated August 2, 2025.

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).

Reviews of airlines servicing Heidelberg

Get insights into the airlines that provide service to Heidelberg. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heidelberg. Reviews last updated August 2, 2025.
Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Heidelberg, such as United Airlines, Scandinavian Airlines, and Turkish Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,904 reviews

Boarding

7.7

Entertainment

7.1

Crew

8.1

Overall

7.4

Comfort

7.3

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,904 reviews
United Airlines
7.4
Good
8,904 reviews

Boarding

7.7

Entertainment

7.1

Crew

8.1

Overall

7.4

Comfort

7.3

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Scandinavian Airlines
7.4
Good
1,457 reviews
United Airlines
7.4
Good
8,904 reviews

Boarding

7.7

Entertainment

7.1

Crew

8.1

Overall

7.4

Comfort

7.3

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Turkish Airlines
7.3
Good
3,935 reviews
United Airlines
7.4
Good
8,904 reviews

Boarding

7.7

Entertainment

7.1

Crew

8.1

Overall

7.4

Comfort

7.3

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Air Canada
7.1
Good
9,855 reviews
United Airlines
7.4
Good
8,904 reviews

Boarding

7.7

Entertainment

7.1

Crew

8.1

Overall

7.4

Comfort

7.3

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
TAP AIR PORTUGAL
7.1
Good
1,936 reviews
United Airlines
7.4
Good
8,904 reviews

Boarding

7.7

Entertainment

7.1

Crew

8.1

Overall

7.4

Comfort

7.3

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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 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: Air Canada (55%), United Airlines (55%), Lufthansa (55%).

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

    On average you can expect to pay $2,848 for a flight from Washington, D.C. Dulles Intl Airport to Heidelberg. The cheapest flight overall is $405 while the most popular route, (Washington, D.C. Dulles Intl - Frankfurt am Main) is currently priced at $504.

  • 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

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Top 10 airlines flying from Dulles Intl to Heidelberg

Discover the top 10 airlines that operate flights from Dulles Intl to Heidelberg. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$254Average$1,001FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$471Average$719FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$530Average$820FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$531Average$670FlexibilityNo cancel feeOn-time77%
Air FranceCheapest$551Average$1,781FlexibilityNo cancel feeOn-time77%
KLMCheapest$553Average$900FlexibilityNo cancel feeOn-time75%
TAP AIR PORTUGALCheapest$557Average$887FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$564Average$741FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$602Average$994FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$617Average$862FlexibilityNo cancel feeOn-time71%

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