Find cheap flights from Washington, D.C. to Heidelberg - Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Flight Deals
Useful Info
Flight Deals

Cheap Flights from Washington, D.C. to Heidelberg (WAS-FRA)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Washington, D.C. to Heidelberg

Air Canada Logo
IAD  Washington Dulles Airport-FRA Frankfurt Airport
8h 05mnonstop
Air Canada Logo
FRA  Frankfurt Airport-IAD Washington Dulles Airport
9h 05mnonstop
Air Canada
Thai Airways Logo
IAD  Washington Dulles Airport-FRA Frankfurt Airport
8h 00mnonstop
Thai Airways Logo
FRA  Frankfurt Airport-IAD Washington Dulles Airport
9h 05mnonstop
Thai Airways
Air India Logo
IAD  Washington Dulles Airport-FRA Frankfurt Airport
8h 00mnonstop
Air India Logo
FRA  Frankfurt Airport-IAD Washington Dulles Airport
9h 05mnonstop
Air India
United Airlines Logo
IAD  Washington Dulles Airport-FRA Frankfurt Airport
8h 05mnonstop
United Airlines Logo
FRA  Frankfurt Airport-IAD Washington Dulles Airport
9h 05mnonstop
United Airlines
Lufthansa Logo
IAD  Washington Dulles Airport-FRA Frankfurt Airport
8h 05mnonstop
Lufthansa Logo
FRA  Frankfurt Airport-IAD Washington Dulles Airport
9h 05mnonstop
Lufthansa
Useful Info

Good to know

Low season

January
Best time to beat the crowds with an average 39% drop in price.
Most popular time to fly with an average 33% increase in price.

When to book flights from Washington, D.C. to Heidelberg

Are your dates flexible? Find out the best times to travel from Washington, D.C. to Heidelberg based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Flights from Washington, D.C. to Heidelberg: the best tips from KAYAK users' own experiences

Insights shared by verified travelers who flew the route from Washington, D.C. to Heidelberg 
NandiniFlew with Lufthansa-Aug 2026
Worth paying for the extra legroom in economy. The regular economy seating in UA is too cramped for a long haul flight
KarenFlew with Lufthansa-Jul 2026
I wish I'd know how big the airport was so I couldn't have booked assistance since I've got asthma. It was not good rushing through in the heat trying to get to the gate in an unformilliar airport.
Verified travelerFlew with United Airlines-Apr 2026
Except for food, I definitely recommend flying Lufthansa. Jut to be better prepared, I would pack food if you take the flight from IAD to Frankfurt.
Verified travelerFlew with Lufthansa-Jan 2026
Sadly since I never could reschedule that flight I don’t know but maybe when possible allow more than a 2 hour layover if there is a possibility of bad weather.
Verified travelerFlew with United Airlines-Mar 2024
Pay extra for a little better seating. Definitely worth it

FAQs for booking flights from Washington, D.C. to Heidelberg

  • Which airports will I be using when flying from Washington, D.C. to Heidelberg?

    When flying out of Washington, D.C. you’ll be using one of these airports: Washington, D.C. Reagan-National or Washington, D.C. Dulles Intl. Heidelberg does not have its own airport so you’ll be flying into nearby Frankfurt am Main airport, which is 44.6 mi away.

  • How long does a flight from Washington, D.C. to Heidelberg take?

    Direct flights cover the 4,052 miles separating Washington, D.C. and Heidelberg in about 7h 40m.

  • How many flights are there between Washington, D.C. and Heidelberg?

    14 direct flights run between Washington, D.C. and Heidelberg on a daily basis. On average, there are about 98 departures each week.

  • What’s the cheapest day of the week to fly between Washington, D.C. and Heidelberg?

    Consider leaving on a Tuesday and avoid Thursdays if you are looking for the best rates. For your return to Washington, D.C., you’ll find the best rates on Wednesdays and the most expensive ones on Mondays.

  • How does KAYAK find such low prices on flights from Washington, D.C. to Heidelberg?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington, D.C. to Heidelberg.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington, D.C. to Heidelberg?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Heidelberg from Washington, D.C. is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Washington, D.C. to Heidelberg?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Heidelberg with an airline and back to Washington, D.C. with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington, D.C. to Heidelberg?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Heidelberg from Washington, D.C. up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • Which airlines provide the cheapest flights from Washington, D.C. to Heidelberg?

    In the last 5 days, the cheapest one-way ticket between Washington, D.C. and Heidelberg found on KAYAK was with Aer Lingus for $246. TAP AIR PORTUGAL offered a round-trip connection from $450 and Icelandair from $483.

Top tips for finding cheap flights from Washington, D.C. to Heidelberg

  • There is no airport in Heidelberg. Instead, you’ll be flying into Frankfurt Airport when flying between Washington, D.C. and Heidelberg.
  • The cheapest flight from Washington, D.C. to Heidelberg was found 88 days before departure, on average.
  • Book at least 1 week before departure in order to get a below-average price.
  • High season is considered to be November, December and January. The cheapest month to fly is January.

More options for your flight from Washington, D.C. to Heidelberg

Complete your trip to Heidelberg with a hotel stay or car rental