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Interlaken

$399+ 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 1/29. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — ZRH
Feb 17 — Feb 241
Tue 2/17
Tue 2/24
1 adult, Economy
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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 January 18, 2026.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$620
(Mytrip)

One-way from

$399
(Kiwi.com)

Popular in

June

Cheapest in

August

Average price

$869
Provider with most accurate pricing for Washington, D.C. (WAS)-Zurich flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Zurich flights.
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From Washington, D.C. Reagan-National to Interlaken
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One-way flight from Washington, D.C. Reagan-National to Interlaken
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Highest demand for flights based on searches. 12% potential increase in price ($119 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find flight deals from Reagan-National to Interlaken

Cheapest flights from Reagan-National to Interlaken
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 January 18, 2026.

This Mytrip deal was found by Cheapflights users on 1/16. 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.
Mon 3/26:00 am
DCA
-
ZRH
3 stops32h 50m
Multiple Airlines
Mon 3/99:35 pm
ZRH
-
DCA
3 stops29h 21m
Multiple Airlines
Deal found 1/16$620
This FlightHub deal was found by Cheapflights users on 1/18. 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.
Mon 3/210:25 am
DCA
-
ZRH
2 stops17h 15m
Scandinavian Airlines
Sun 3/810:25 am
ZRH
-
DCA
2 stops17h 11m
Scandinavian Airlines
Deal found 1/18$628
This Flighttix deal was found by Cheapflights users on 1/18. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/411:06 am
DCA
-
ZRH
2 stops16h 34m
Scandinavian Airlines
Wed 3/1110:25 am
ZRH
-
DCA
2 stops17h 11m
Scandinavian Airlines
Deal found 1/18$638
This Scandinavian Airlines deal was found by Cheapflights users on 1/16. 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.
Mon 3/210:25 am
DCA
-
ZRH
2 stops17h 15m
Scandinavian Airlines
Mon 3/910:25 am
ZRH
-
DCA
2 stops17h 11m
Scandinavian Airlines
Deal found 1/16$639
This Scandinavian Airlines deal was found by Cheapflights users on 1/18. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/911:00 am
DCA
-
ZRH
2 stops17h 40m
Scandinavian Airlines
Mon 3/1610:25 am
ZRH
-
DCA
2 stops18h 19m
Scandinavian Airlines
Deal found 1/18$650
This FlightHub deal was found by Cheapflights users on 1/17. 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 1/2712:00 pm
DCA
-
ZRH
2 stops15h 40m
Scandinavian Airlines
Sun 2/810:25 am
ZRH
-
DCA
2 stops18h 23m
Scandinavian Airlines
Deal found 1/17$658
This KAYAK deal was found by Cheapflights users on 1/16. 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.
Wed 9/211:00 am
DCA
-
ZRH
2 stops16h 40m
Scandinavian Airlines
Thu 9/1010:25 am
ZRH
-
DCA
2 stops18h 47m
Scandinavian Airlines
Deal found 1/16$662
This Scandinavian Airlines deal was found by Cheapflights users on 1/16. 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.
Fri 1/3010:25 am
DCA
-
ZRH
2 stops17h 15m
Scandinavian Airlines
Mon 2/28:25 pm
ZRH
-
DCA
2 stops32h 23m
Scandinavian Airlines
Deal found 1/16$680
This KAYAK deal was found by Cheapflights users on 1/16. 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.
Sun 2/111:11 am
DCA
-
ZRH
2 stops16h 29m
Scandinavian Airlines
Mon 2/910:25 am
ZRH
-
DCA
2 stops18h 23m
Scandinavian Airlines
Deal found 1/16$692

Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National to Interlaken 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 January 18, 2026.
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

Reagan-National

Fly to

Interlaken

Route

Depart

Return

Price

Washington, D.C.Zurich

DCA - ZRH

DCAZRH

Washington, D.C. Reagan-National

Mon 3/9

11:00 am-9:40 am

2 stops17h 40m

Zurich

Mon 3/16

10:25 am-11:44 pm

2 stops18h 19m

$650

Washington, D.C.Zurich

DCA - ZRH

DCAZRH

Washington, D.C. Reagan-National

Fri 1/30

10:25 am-9:40 am

2 stops17h 15m

Zurich

Mon 2/2

8:25 pm-10:48 pm

2 stops32h 23m

$680

Washington, D.C.Zurich

DCA - ZRH

DCAZRH

Washington, D.C. Reagan-National

Sun 3/8

2:16 pm-8:15 am

1 stop12h 59m

Zurich

Tue 3/17

10:15 am-8:43 pm

1 stop15h 28m

$715

Washington, D.C.Zurich

DCA - ZRH

DCAZRH

Washington, D.C. Reagan-National

Sat 3/21

11:00 am-9:40 am

2 stops17h 40m

Zurich

Fri 3/27

10:25 am-11:44 pm

2 stops18h 19m

$720

Washington, D.C.Zurich

DCA - ZRH

DCAZRH

Washington, D.C. Reagan-National

Tue 4/14

12:59 pm-2:10 pm

2 stops19h 11m

Zurich

Tue 4/21

10:25 am-10:22 pm

2 stops17h 57m

$720

Washington, D.C.Zurich

DCA - ZRH

DCAZRH

Washington, D.C. Reagan-National

Sun 3/8

5:09 pm-10:50 am

2 stops12h 41m

Zurich

Tue 3/17

1:30 pm-10:36 pm

1 stop14h 06m

$734

Washington, D.C.Zurich

DCA - ZRH

DCAZRH

Washington, D.C. Reagan-National

Thu 4/23

5:30 pm-3:00 pm

2 stops15h 30m

Zurich

Thu 4/30

7:15 am-6:58 pm

2 stops17h 43m

$774

Washington, D.C.Zurich

DCA - ZRH

DCAZRH

Washington, D.C. Reagan-National

Wed 3/18

11:00 am-10:30 am

1 stop18h 30m

Zurich

Sun 3/29

11:50 am-10:08 pm

2 stops16h 18m

$784

Washington, D.C.Zurich

DCA - ZRH

DCAZRH

Washington, D.C. Reagan-National

Thu 3/12

12:00 pm-7:55 am

1 stop14h 55m

Zurich

Thu 3/19

1:20 pm-10:35 pm

1 stop14h 15m

$817

Washington, D.C.Zurich

DCA - ZRH

DCAZRH

Washington, D.C. Reagan-National

Thu 4/16

11:05 am-6:10 am

1 stop13h 05m

Zurich

Sat 4/25

1:25 pm-7:53 pm

1 stop12h 28m

$821

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/16

Showing 1-10 of 22 results
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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.
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. Reagan-National Airport to Interlaken
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Reagan-National to Interlaken. 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. Reagan-National Airport to Interlaken?

    Scandinavian Airlines and American Airlines can get you from Washington, D.C. Reagan-National Airport to Interlaken in just under 12h 59m. Your travel time can differ by up to 4h 41m. Airlines will cover a distance of 4131 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Reagan-National to Interlaken that include hotel bookings?

    Yes. In addition to deals on Reagan-National to Interlaken flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Reagan-National to Interlaken?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Interlaken.

  • Can I find deals for business class flights from Reagan-National to Interlaken?

    Yes. Cheapflights offers flight deals from Reagan-National to Interlaken by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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