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Heidelberg

$313+ 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 3/18. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — FRA
Mar 6 — Mar 131
Fri 3/6
Fri 3/13
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

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 February 4, 2026.

This CrystalTravel deal was found by Cheapflights users on 2/3. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/188:30 pm
IAD
-
FRA
1 stop12h 00m
Scandinavian Airlines
Wed 2/2510:30 am
FRA
-
IAD
1 stop12h 45m
Scandinavian Airlines
Deal found 2/3$538
This CrystalTravel deal was found by Cheapflights users on 2/3. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/258:30 pm
IAD
-
FRA
1 stop12h 00m
Scandinavian Airlines
Wed 3/1110:30 am
FRA
-
IAD
1 stop12h 45m
Scandinavian Airlines
Deal found 2/3$548
This CrystalTravel deal was found by Cheapflights users on 2/2. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/258:30 pm
IAD
-
FRA
1 stop12h 00m
Scandinavian Airlines
Mon 3/211:05 am
FRA
-
IAD
1 stop12h 10m
Scandinavian Airlines
Deal found 2/2$550
This lastminute.com deal was found by Cheapflights users on 2/4. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/108:20 pm
IAD
-
FRA
1 stop12h 15m
Scandinavian Airlines
Sun 8/238:30 pm
FRA
-
IAD
1 stop26h 20m
Scandinavian Airlines
Deal found 2/4$551
This oojo deal was found by Cheapflights users on 2/3. 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.
Sat 4/188:20 pm
IAD
-
FRA
1 stop17h 25m
Scandinavian Airlines
Wed 4/223:20 pm
FRA
-
IAD
1 stop31h 30m
Scandinavian Airlines
Deal found 2/3$552
This oojo deal was found by Cheapflights users on 2/2. 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.
Sat 4/188:20 pm
IAD
-
FRA
1 stop12h 15m
Scandinavian Airlines
Sat 5/93:20 pm
FRA
-
IAD
1 stop31h 30m
Scandinavian Airlines
Deal found 2/2$554
This AirNGo deal was found by Cheapflights users on 2/2. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/2210:30 pm
IAD
-
FRA
1 stop18h 10m
TAP AIR PORTUGAL
Mon 3/96:00 am
FRA
-
IAD
1 stop15h 15m
TAP AIR PORTUGAL
Deal found 2/2$558
This AirNGo deal was found by Cheapflights users on 2/2. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/165:30 pm
IAD
-
FRA
1 stop23h 10m
TAP AIR PORTUGAL
Mon 3/25:45 pm
FRA
-
IAD
1 stop26h 50m
TAP AIR PORTUGAL
Deal found 2/2$559
This FlightHub deal was found by Cheapflights users on 2/3. 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 2/188:30 pm
IAD
-
FRA
1 stop17h 15m
Scandinavian Airlines
Tue 2/248:30 pm
FRA
-
IAD
1 stop26h 45m
Scandinavian Airlines
Deal found 2/3$561
This oojo deal was found by Cheapflights users on 2/4. 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.
Thu 4/98:20 pm
IAD
-
FRA
1 stop12h 15m
Scandinavian Airlines
Sun 4/198:30 pm
FRA
-
IAD
1 stop26h 20m
Scandinavian Airlines
Deal found 2/4$562
This oojo deal was found by Cheapflights users on 2/2. 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.
Wed 3/48:30 pm
IAD
-
FRA
1 stop31h 20m
Scandinavian Airlines
Wed 3/1110:30 am
FRA
-
IAD
1 stop12h 45m
Scandinavian Airlines
Deal found 2/2$564
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 2/198:30 pm
IAD
-
FRA
1 stop31h 20m
Scandinavian Airlines
Wed 2/2510:30 am
FRA
-
IAD
1 stop12h 45m
Scandinavian Airlines
Deal found 2/3$565

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 February 4, 2026.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$538
(CrystalTravel)

One-way from

$313
(Trip.com)

Popular in

June

Cheapest in

February

Average price

$710
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. 13% potential increase in price ($139 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 February 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 February 4, 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

Dulles Intl

Fly to

Heidelberg

Route

Depart

Return

Price

Washington, D.C.Frankfurt am Main

IAD - FRA

IADFRA

Washington, D.C. Dulles Intl

Wed 3/11

9:30 pm-2:30 pm

1 stop12h 00m

Frankfurt am Main

Sun 3/22

8:30 pm-6:15 pm

1 stop26h 45m

$621

Washington, D.C.Frankfurt am Main

IAD - FRA

IADFRA

Washington, D.C. Dulles Intl

Sun 4/19

6:50 pm-2:35 pm

2 stops37h 45m

Frankfurt am Main

Wed 4/22

8:30 pm-4:50 pm

1 stop26h 20m

$651

Washington, D.C.Frankfurt am Main

IAD - FRA

IADFRA

Washington, D.C. Dulles Intl

Sun 6/7

8:20 pm-2:35 pm

1 stop12h 15m

Frankfurt am Main

Wed 6/17

7:30 am-4:50 pm

2 stops15h 20m

$706

Washington, D.C.Frankfurt am Main

IAD - FRA

IADFRA

Washington, D.C. Dulles Intl

Sun 5/3

8:20 pm-7:45 pm

1 stop17h 25m

Frankfurt am Main

Mon 5/18

8:30 pm-12:18 pm

2 stops45h 48m

$730

Washington, D.C.Frankfurt am Main

IAD - FRA

IADFRA

Washington, D.C. Dulles Intl

Fri 5/8

12:58 pm-12:00 pm

2 stops17h 02m

Frankfurt am Main

Sat 5/23

10:00 pm-4:50 pm

1 stop24h 50m

$777

Washington, D.C.Frankfurt am Main

IAD - FRA

IADFRA

Washington, D.C. Dulles Intl

Mon 7/6

8:20 pm-7:45 pm

1 stop17h 25m

Frankfurt am Main

Mon 7/13

7:50 am-4:50 pm

2 stops15h 00m

$786

Washington, D.C.Frankfurt am Main

IAD - FRA

IADFRA

Washington, D.C. Dulles Intl

Mon 3/23

1:19 pm-11:40 am

2 stops17h 21m

Frankfurt am Main

Tue 3/31

7:00 am-7:19 pm

2 stops18h 19m

$804

Washington, D.C.Frankfurt am Main

IAD - FRA

IADFRA

Washington, D.C. Dulles Intl

Sat 4/4

1:20 pm-10:05 am

1 stop14h 45m

Frankfurt am Main

Mon 6/15

10:30 am-7:50 pm

1 stop15h 20m

$818

Washington, D.C.Frankfurt am Main

IAD - FRA

IADFRA

Washington, D.C. Dulles Intl

Mon 6/15

8:20 pm-2:35 pm

1 stop12h 15m

Frankfurt am Main

Sat 6/20

7:40 am-4:50 pm

2 stops15h 10m

$826

Washington, D.C.Frankfurt am Main

IAD - FRA

IADFRA

Washington, D.C. Dulles Intl

Sun 6/28

8:20 pm-7:45 pm

1 stop17h 25m

Frankfurt am Main

Thu 7/9

7:50 am-4:50 pm

2 stops15h 00m

$869

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/1

Showing 1-10 of 23 results
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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 January 30, 2026.

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, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Heidelberg (average of $472). Flying from Washington, D.C. Dulles Intl Airport to Heidelberg in July is currently the most expensive (average of $655). 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 February 4, 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 February 4, 2026.

The most flights from IAD to HE1 are scheduled on a Wednesday (11 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (5 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 February 4, 2026.
Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Heidelberg, such as United Airlines, Scandinavian Airlines, and Aer Lingus. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,236 reviews

Boarding

7.7

Entertainment

7.1

Food

6.6

Crew

8.1

Overall

7.4

Comfort

7.3

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
9,236 reviews
United Airlines
7.4
Good
9,236 reviews

Boarding

7.7

Entertainment

7.1

Food

6.6

Crew

8.1

Overall

7.4

Comfort

7.3

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
1,677 reviews
United Airlines
7.4
Good
9,236 reviews

Boarding

7.7

Entertainment

7.1

Food

6.6

Crew

8.1

Overall

7.4

Comfort

7.3

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
1,444 reviews
United Airlines
7.4
Good
9,236 reviews

Boarding

7.7

Entertainment

7.1

Food

6.6

Crew

8.1

Overall

7.4

Comfort

7.3

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
7.1
Good
606 reviews
United Airlines
7.4
Good
9,236 reviews

Boarding

7.7

Entertainment

7.1

Food

6.6

Crew

8.1

Overall

7.4

Comfort

7.3

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
7,759 reviews
United Airlines
7.4
Good
9,236 reviews

Boarding

7.7

Entertainment

7.1

Food

6.6

Crew

8.1

Overall

7.4

Comfort

7.3

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 fly from Washington, D.C. Dulles Intl Airport to Heidelberg in about 12h. The time it takes to get you to your destination can typically vary by up to . The distance between Washington, D.C. Dulles Intl Airport and Heidelberg is about 4066 mi.

  • 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 $188. 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: Thai Airways (58%), Air India (58%), Air Canada (54%).

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

    On average you can expect to pay $2,494 for a flight from Washington, D.C. Dulles Intl Airport to Heidelberg. The cheapest flight overall is $274 while the most popular route, (Washington, D.C. Dulles Intl - Frankfurt am Main) is currently priced at $548.

  • 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, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Heidelberg (average of $472). Flying from Washington, D.C. Dulles Intl Airport to Heidelberg in July is currently the most expensive (average of $655). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 February 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$254Average$937FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$416Average$740FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$483Average$719FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$510Average$772FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$535Average$852FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$536Average$650FlexibilityNo cancel feeOn-time77%
KLMCheapest$556Average$910FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$560Average$770FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$602Average$928FlexibilityNo cancel feeOn-time76%
SWISSCheapest$635Average$861FlexibilityNo cancel feeOn-time79%

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