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Heidelberg

$340+ 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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — FRA
Apr 23 — Apr 301
Thu 4/23
Thu 4/30
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Heidelberg are usually found in September or January, booked 89 days in advance, depart on a Wednesday or Tuesday and return on a Thursday

Cheap 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 March 24, 2026.

This FlightHub deal was found by Cheapflights users on 3/21. 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.
Mon 4/208:20 pm
IAD
-
FRA
1 stop12h 15m
Scandinavian Airlines
Thu 4/308:30 pm
FRA
-
IAD
1 stop26h 30m
Scandinavian Airlines
Deal found 3/21$656
This Kiwi.com deal was found by Cheapflights users on 3/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/38:20 pm
IAD
-
FRA
1 stop12h 15m
Scandinavian Airlines
Sun 5/173:20 pm
FRA
-
IAD
1 stop31h 40m
Scandinavian Airlines
Deal found 3/20$660
This Kiwi.com deal was found by Cheapflights users on 3/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/28:20 pm
IAD
-
FRA
1 stop12h 15m
Scandinavian Airlines
Sat 5/163:20 pm
FRA
-
IAD
1 stop31h 40m
Scandinavian Airlines
Deal found 3/22$661
This KAYAK deal was found by Cheapflights users on 3/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/288:30 pm
IAD
-
FRA
1 stop31h 10m
Scandinavian Airlines
Tue 12/18:30 pm
FRA
-
IAD
1 stop26h 45m
Scandinavian Airlines
Deal found 3/21$663
This FlightHub deal was found by Cheapflights users on 3/18. 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.
Tue 4/211:20 pm
IAD
-
FRA
1 stop22h 15m
Turkish Airlines
Tue 5/57:40 am
FRA
-
IAD
1 stop18h 10m
Turkish Airlines
Deal found 3/18$664
This FlightHub deal was found by Cheapflights users on 3/20. 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.
Tue 4/79:45 pm
IAD
-
FRA
1 stop17h 30m
Turkish Airlines
Tue 4/217:00 pm
FRA
-
IAD
1 stop22h 35m
Turkish Airlines
Deal found 3/20$665
This FlightHub deal was found by Cheapflights users on 3/22. 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 4/81:20 pm
IAD
-
FRA
1 stop18h 20m
Turkish Airlines
Mon 4/136:50 am
FRA
-
IAD
1 stop34h 45m
Turkish Airlines
Deal found 3/22$669
This Kiwi.com deal was found by Cheapflights users on 3/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/161:20 pm
IAD
-
FRA
1 stop14h 20m
Turkish Airlines
Thu 4/237:00 pm
FRA
-
IAD
1 stop22h 35m
Turkish Airlines
Deal found 3/19$672
This FlightHub deal was found by Cheapflights users on 3/21. 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.
Mon 4/139:45 pm
IAD
-
FRA
1 stop30h 20m
Turkish Airlines
Mon 4/2011:25 am
FRA
-
IAD
1 stop30h 10m
Turkish Airlines
Deal found 3/21$673
This Kiwi.com deal was found by Cheapflights users on 3/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/188:20 pm
IAD
-
FRA
1 stop17h 25m
Scandinavian Airlines
Sat 5/23:20 pm
FRA
-
IAD
1 stop31h 40m
Scandinavian Airlines
Deal found 3/23$675

Find 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 March 24, 2026.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$656
(FlightHub)

One-way from

$340
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$809
Provider with most accurate pricing for Washington, D.C. (WAS)-Frankfurt am Main flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Frankfurt am Main flights.
Search Deals
From Washington, D.C. Dulles Intl to Heidelberg
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Heidelberg
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($35 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 March 24, 2026.
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

Cheapest round-trip

Washington, D.C.Frankfurt am Main

IAD - FRA

IADFRA

Washington, D.C. Dulles Intl

Sat 4/25

8:20 pm-2:35 pm

1 stop12h 15m

Frankfurt am Main

Thu 4/30

8:30 pm-5:00 pm

1 stop26h 30m

$698

Washington, D.C.Frankfurt am Main

IAD - FRA

IADFRA

Washington, D.C. Dulles Intl

Sun 4/19

8:20 pm-2:35 pm

1 stop12h 15m

Frankfurt am Main

Thu 4/23

3:20 pm-5:00 pm

1 stop31h 40m

$725

Washington, D.C.Frankfurt am Main

IAD - FRA

IADFRA

Washington, D.C. Dulles Intl

Sun 4/26

8:20 pm-7:45 pm

1 stop17h 25m

Frankfurt am Main

Sat 5/2

3:20 pm-5:00 pm

1 stop31h 40m

$728

Washington, D.C.Frankfurt am Main

IAD - FRA

IADFRA

Washington, D.C. Dulles Intl

Thu 4/23

1:20 pm-9:40 am

1 stop14h 20m

Frankfurt am Main

Fri 5/1

10:35 am-7:50 pm

1 stop15h 15m

$742

Washington, D.C.Frankfurt am Main

IAD - FRA

IADFRA

Washington, D.C. Dulles Intl

Sun 4/26

8:20 pm-7:45 pm

1 stop17h 25m

Frankfurt am Main

Thu 5/28

8:30 pm-5:00 pm

1 stop26h 30m

$860

Washington, D.C.Frankfurt am Main

IAD - FRA

IADFRA

Washington, D.C. Dulles Intl

Sat 4/18

8:20 pm-7:45 pm

1 stop17h 25m

Frankfurt am Main

Mon 4/27

7:20 am-5:00 pm

2 stops15h 40m

$862

Washington, D.C.Frankfurt am Main

IAD - FRA

IADFRA

Washington, D.C. Dulles Intl

Wed 6/3

5:15 pm-10:15 am

1 stop11h 00m

Frankfurt am Main

Sun 6/7

10:55 am-7:15 pm

1 stop14h 20m

$974

Washington, D.C.Frankfurt am Main

IAD - FRA

IADFRA

Washington, D.C. Dulles Intl

Thu 4/2

1:19 pm-1:55 pm

2 stops18h 36m

Frankfurt am Main

Wed 4/8

8:00 am-5:00 pm

1 stop15h 00m

$1,128
Quickest round-trip

Washington, D.C.Frankfurt am Main

IAD - FRA

IADFRA

Washington, D.C. Dulles Intl

Sun 5/10

5:20 pm-7:20 am

Nonstop8h 00m

Frankfurt am Main

Tue 5/19

9:00 am-2:20 pm

1 stop11h 20m

$1,131

Washington, D.C.Frankfurt am Main

IAD - FRA

IADFRA

Washington, D.C. Dulles Intl

Wed 4/22

5:55 pm-7:55 am

Nonstop8h 00m

Frankfurt am Main

Thu 4/30

6:45 am-1:30 pm

1 stop12h 45m

$1,232

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/18

Showing 1-10 of 22 resultsSorted by cheapest first
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3

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 March 13, 2026.

The best time to book flights from Washington, D.C. Dulles Intl Airport to Heidelberg is 89 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, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Heidelberg (average of $469). Flying from Washington, D.C. Dulles Intl Airport to Heidelberg in July is currently the most expensive (average of $654). 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 March 24, 2026.

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.

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 March 24, 2026.

The most flights from IAD 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).

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 March 24, 2026.
Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Heidelberg, such as United Airlines,Scandinavian Airlines, andAer Lingus. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,464 reviews

Comfort

7.3

Overall

7.4

Food

6.6

Boarding

7.7

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,464 reviews
United Airlines
7.4
Good
9,464 reviews

Comfort

7.3

Overall

7.4

Food

6.6

Boarding

7.7

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Scandinavian Airlines
7.3
Good
1,722 reviews
United Airlines
7.4
Good
9,464 reviews

Comfort

7.3

Overall

7.4

Food

6.6

Boarding

7.7

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Aer Lingus
7.2
Good
1,487 reviews
United Airlines
7.4
Good
9,464 reviews

Comfort

7.3

Overall

7.4

Food

6.6

Boarding

7.7

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Icelandair
7.0
Good
625 reviews
United Airlines
7.4
Good
9,464 reviews

Comfort

7.3

Overall

7.4

Food

6.6

Boarding

7.7

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Lufthansa
6.8
Okay
7,863 reviews
United Airlines
7.4
Good
9,464 reviews

Comfort

7.3

Overall

7.4

Food

6.6

Boarding

7.7

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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.

  • How long is the flight from Washington, D.C. Dulles Intl Airport to Heidelberg?

    Airlines like Scandinavian Airlines and Turkish Airlines fly from Washington, D.C. Dulles Intl Airport to Heidelberg in about 12h 15m. The time it takes to get you to your destination can typically vary by up to 2h 05m. The distance between Washington, D.C. Dulles Intl Airport and Heidelberg is about 4066 mi. This flight may include one or multiple stops.

  • 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 $195. However, be on the lookout for offers from Scandinavian Airlines and TAP AIR PORTUGAL, 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: Air Canada (73%), United Airlines (73%), Lufthansa (73%).

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

    On average you can expect to pay $2,439 for a flight from Washington, D.C. Dulles Intl Airport to Heidelberg. The cheapest flight overall is $366 while the most popular route, (Washington, D.C. Dulles Intl - Frankfurt am Main) is currently priced at $617.

  • 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, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Heidelberg (average of $469). Flying from Washington, D.C. Dulles Intl Airport to Heidelberg in July is currently the most expensive (average of $654). 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

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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 March 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$163Average$926FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$416Average$734FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$483Average$713FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$510Average$761FlexibilityNo cancel feeOn-time77%
Scandinavian AirlinesCheapest$536Average$679FlexibilityNo cancel feeOn-time77%
KLMCheapest$556Average$789FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$560Average$776FlexibilityNo cancel feeOn-time70%
Aer LingusCheapest$577Average$900FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$579Average$930FlexibilityNo cancel feeOn-time76%
SWISSCheapest$635Average$918FlexibilityNo cancel feeOn-time79%

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