$317+ Cheap flights from Reagan-National (DCA) to Interlaken, Switzerland
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 11/16. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Reagan-National to Interlaken with Cheapflights
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”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Reagan-National to Interlaken
Keep the following information in mind while searching for Reagan-National to Interlaken flight deals. Data was last updated September 30, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $590 (Scandinavian Airlines) |
One-way from | $317 (Ovago) |
Popular in | November |
Cheapest in | March |
Average price | $852 |
Find flight deals from Reagan-National to Interlaken
Cheapest flights from Reagan-National to InterlakenExplore the most affordable flight options available from Reagan-National to Interlaken. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 30, 2025.
Explore the most affordable flight options available from Reagan-National to Interlaken. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 30, 2025.
This Scandinavian Airlines deal was found by Cheapflights users on 9/30. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Scandinavian Airlines deal was found by Cheapflights users on 9/29. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Mytrip deal was found by Cheapflights users on 9/30. 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.
This Scandinavian Airlines deal was found by Cheapflights users on 9/29. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Scandinavian Airlines deal was found by Cheapflights users on 9/28. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Mytrip deal was found by Cheapflights users on 9/28. 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.
This Mytrip deal was found by Cheapflights users on 9/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This FlightHub deal was found by Cheapflights users on 9/29. 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.
Cheapflights Fare Finder
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Interlaken that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Washington, D.C.Zurich
DCA - ZRH
DCAZRH
Washington, D.C. Reagan-National
Wed 11/12
11:10 am-9:40 am
2 stops16h 30m
Zurich
Wed 11/19
7:10 am-10:56 pm
2 stops21h 46m
Washington, D.C.Zurich
DCA - ZRH
DCAZRH
Washington, D.C. Reagan-National
Thu 11/6
11:10 am-9:40 am
2 stops16h 30m
Zurich
Fri 11/14
10:25 am-11:58 pm
2 stops19h 33m
Washington, D.C.Zurich
DCA - ZRH
DCAZRH
Washington, D.C. Reagan-National
Mon 12/8
11:10 am-9:40 am
2 stops16h 30m
Zurich
Sat 12/13
8:25 pm-10:52 pm
2 stops32h 27m
Washington, D.C.Zurich
DCA - ZRH
DCAZRH
Washington, D.C. Reagan-National
Fri 11/14
11:10 am-9:40 am
2 stops16h 30m
Zurich
Fri 11/21
8:25 pm-10:56 pm
2 stops32h 31m
Washington, D.C.Zurich
DCA - ZRH
DCAZRH
Washington, D.C. Reagan-National
Mon 12/1
11:10 am-9:40 am
2 stops16h 30m
Zurich
Mon 12/8
8:25 pm-10:52 pm
2 stops32h 27m
Washington, D.C.Zurich
DCA - ZRH
DCAZRH
Washington, D.C. Reagan-National
Mon 11/24
12:55 pm-8:50 pm
3 stops25h 55m
Zurich
Sun 11/30
5:15 pm-3:31 pm
3 stops28h 16m
Washington, D.C.Zurich
DCA - ZRH
DCAZRH
Washington, D.C. Reagan-National
Tue 11/25
11:05 am-6:15 am
1 stop13h 10m
Zurich
Fri 12/5
12:40 pm-9:56 pm
1 stop15h 16m
Washington, D.C.Zurich
DCA - ZRH
DCAZRH
Washington, D.C. Reagan-National
Tue 11/25
11:10 am-11:45 am
2 stops18h 35m
Zurich
Fri 12/5
10:25 am-11:58 pm
2 stops19h 33m
Washington, D.C.Zurich
DCA - ZRH
DCAZRH
Washington, D.C. Reagan-National
Wed 10/29
11:10 am-9:40 am
2 stops17h 30m
Zurich
Tue 11/4
7:10 am-10:07 pm
2 stops20h 57m
Washington, D.C.Zurich
DCA - ZRH
DCAZRH
Washington, D.C. Reagan-National
Wed 12/3
5:02 pm-10:30 am
1 stop11h 28m
Zurich
Wed 12/10
1:30 pm-10:54 pm
1 stop15h 24m
Best time to book a flight from Reagan-National to Interlaken
Have a flexible travel schedule? Discover the best time to fly to Interlaken from Reagan-National with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Washington, D.C. Reagan-National Airport to Interlaken
What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Interlaken?
Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Interlaken (average of $637). Flying from Washington, D.C. Reagan-National Airport to Interlaken in June is currently the most expensive (average of $1,145). 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 DCA to IN9?
Find hourly flight availability from Reagan-National to Interlaken. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 30, 2025.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Reagan-National Airport to Interlaken as you normally would.