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Interlaken

$511+ 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 5/11. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — ZRH
Apr 6 — Apr 131
Sun 4/6
Sun 4/13
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 April 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$703
(Cheapflightsfares)

One-way from

$511
(Mytrip)

Popular in

April

Cheapest in

March

Average price

$1,627
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. 2% potential increase in price ($33 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($46 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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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 April 1, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 4/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1411:10 amDCA - ZRH
2 stops26h 35mScandinavian Airlines
Wed 5/2110:20 amZRH - DCA
2 stops18h 25mScandinavian Airlines
Deal found 4/1$654
This Condor deal was found by Cheapflights users on 4/1. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/512:45 pmDCA - ZRH
2 stops20h 55mMultiple Airlines
Mon 5/128:05 amZRH - DCA
2 stops17h 55mMultiple Airlines
Deal found 4/1$720
This Delta deal was found by Cheapflights users on 3/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2511:00 amDCA - ZRH
1 stop17h 30mDelta
Thu 12/41:30 pmZRH - DCA
1 stop14h 49mDelta
Deal found 3/31$739
This FlightHub deal was found by Cheapflights users on 4/1. 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.
Sat 11/18:40 pmDCA - ZRH
1 stop32h 45mAir Canada
Sat 11/1512:45 pmZRH - DCA
1 stop14h 15mAir Canada
Deal found 4/1$780
This United Airlines deal was found by Cheapflights users on 3/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/412:00 pmDCA - ZRH
1 stop13h 45mUnited Airlines
Wed 5/141:25 pmZRH - DCA
2 stops29h 31mUnited Airlines
Deal found 3/30$817
This American Airlines deal was found by Cheapflights users on 3/31. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1412:59 pmDCA - ZRH
2 stops13h 51mAmerican Airlines
Tue 4/2211:45 amZRH - DCA
2 stops14h 31mAmerican Airlines
Deal found 3/31$842
This ITA Airways deal was found by Cheapflights users on 4/1. 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 ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/86:05 amDCA - ZRH
2 stops21h 50mITA Airways
Thu 5/1510:45 amZRH - DCA
2 stops18h 00mITA Airways
Deal found 4/1$872
This oojo deal was found by Cheapflights users on 3/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/293:45 pmDCA - ZRH
2 stops39h 20mIcelandair
Tue 5/62:00 pmZRH - DCA
2 stops24h 00mIcelandair
Deal found 3/30$910

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 April 1, 2025.
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

Wed 5/14

11:10 am-7:45 pm

2 stops26h 35m

Zurich

Wed 5/21

10:20 am-10:45 pm

2 stops18h 25m

$654

Washington, D.C.Zurich

DCA - ZRH

DCAZRH

Washington, D.C. Reagan-National

Mon 5/5

12:45 pm-3:40 pm

2 stops20h 55m

Zurich

Mon 5/12

8:05 am-8:00 pm

2 stops17h 55m

$720

Washington, D.C.Zurich

DCA - ZRH

DCAZRH

Washington, D.C. Reagan-National

Mon 4/14

6:00 am-6:10 am

1 stop18h 10m

Zurich

Tue 4/22

12:40 pm-10:19 am

1 stop27h 39m

$788

Washington, D.C.Zurich

DCA - ZRH

DCAZRH

Washington, D.C. Reagan-National

Sun 5/4

12:00 pm-7:45 am

1 stop13h 45m

Zurich

Wed 5/14

1:25 pm-12:56 pm

2 stops29h 31m

$817

Washington, D.C.Zurich

DCA - ZRH

DCAZRH

Washington, D.C. Reagan-National

Mon 5/5

4:31 pm-10:35 am

1 stop12h 04m

Zurich

Tue 5/13

10:10 am-6:22 pm

1 stop14h 12m

$834

Washington, D.C.Zurich

DCA - ZRH

DCAZRH

Washington, D.C. Reagan-National

Mon 4/14

12:59 pm-8:50 am

2 stops13h 51m

Zurich

Tue 4/22

11:45 am-8:16 pm

2 stops14h 31m

$842

Washington, D.C.Zurich

DCA - ZRH

DCAZRH

Washington, D.C. Reagan-National

Thu 5/8

6:05 am-6:15 pm

2 stops30h 10m

Zurich

Mon 5/19

10:40 am-10:45 pm

2 stops18h 05m

$872

Washington, D.C.Zurich

DCA - ZRH

DCAZRH

Washington, D.C. Reagan-National

Tue 4/29

3:45 pm-1:05 pm

2 stops39h 20m

Zurich

Tue 5/6

2:00 pm-8:00 am

2 stops24h 00m

$910

Washington, D.C.Zurich

DCA - ZRH

DCAZRH

Washington, D.C. Reagan-National

Sun 5/11

6:50 pm-8:15 pm

2 stops19h 25m

$511

Washington, D.C.Zurich

DCA - ZRH

DCAZRH

Washington, D.C. Reagan-National

Mon 8/18

3:00 pm-12:25 pm

2 stops15h 25m

$556

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 18 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

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 $1,286). 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 April 1, 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.

Rainfall in Interlaken by month

Plan your trip to Interlaken by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Interlaken ranges from 2.5 - 5.0 inches per month. June is typically the wettest month, when rainfall can reach 5.0 in. January is typically the driest time to visit Interlaken when rainfall is around 2.5 in.

Temperature in Interlaken by month

Plan your trip to Interlaken by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Interlaken, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing Interlaken

Get insights into the airlines that provide service to Interlaken. 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 Interlaken. Reviews last updated April 1, 2025.
See what other customers who have flown with Delta, United Airlines and Scandinavian Airlines from Washington, D.C. to Interlaken have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,898 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,898 reviews
Delta
8.0
Very good
7,898 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,615 reviews
Delta
8.0
Very good
7,898 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Scandinavian Airlines
7.3
Good
1,328 reviews
Delta
8.0
Very good
7,898 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,898 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
TAP AIR PORTUGAL
7.1
Good
1,831 reviews
Delta
8.0
Very good
7,898 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • What are the cheapest airlines to fly from Washington, D.C. Reagan-National Airport to Interlaken one-way?

    The cheapest airlines for a one-way flight from Washington, D.C. Reagan-National Airport to Interlaken are TAP AIR PORTUGAL ($612), American Airlines ($621), and British Airways ($642).

  • 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.

  • 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 $1,286). 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 airline flying from Reagan-National to Interlaken

Discover the top airline that operate flights from Reagan-National to Interlaken. 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 April 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$682Average$892FlexibilityNo cancel feeOn-time69%

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