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

To fly one-way, consider booking your trip with Icelandair, which is currently one of the cheapest options available, starting at $284. TAP AIR PORTUGAL flights start at $308 while deals on Scandinavian Airlines start at $400 one-way.

What are the most popular routes from Washington, D.C. to Interlaken?

The most popular route from Washington, D.C. to Interlaken is Washington, D.C. Dulles Intl - Zurich. You may also consider Washington, D.C. Reagan-National - Zurich or Baltimore/Washington - Zurich.

What are the cheapest flights from Washington, D.C. to Interlaken?

On average you can expect to pay $4,220 for a flight from Washington, D.C. to Interlaken. The cheapest flight overall is $313 while the most popular route, (Washington, D.C. Dulles Intl - Zurich) is currently priced at $506.

What are the most reliable airlines from Washington, D.C. to Interlaken?

Before booking your flight to Interlaken from Washington, D.C., check out the most reliable airlines to get you to your destination on time: Air Canada (73%), United Airlines (73%), SWISS( 73%).

What are the most popular airlines that fly from Washington, D.C. to Interlaken?

British Airways, Delta and Aer Lingus are the most popular airlines when flying from Washington, D.C. to Interlaken.

How far in advance should I book a flight from Washington, D.C. to Interlaken?

To save up to 30% on this flight, we recommend booking at least 13 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Washington, D.C. to Interlaken from $627 1-2 weeks out and tickets from $1,089 for flights departing within the next 72 hours.

What is the cheapest month to fly from Washington, D.C. to Interlaken?

The best pricing can be found in the month of November. Prices to Interlaken from Washington, D.C. average $900. You can even find prices in November for less than $900, as users have found deals to Interlaken from as low as $380. The month of June appears to be one of the more expensive times to travel to Interlaken from Washington, D.C.. Flying in the targeted month can save you up to 32%.

Can I find deals for flights from Washington, D.C. to Interlaken that include hotel bookings?

Yes. In addition to deals on Washington, D.C. to Interlaken flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Washington, D.C. to Interlaken?

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

Can I find deals for business class flights from Washington, D.C. to Interlaken?

Yes. Cheapflights offers flight deals from Washington, D.C. 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.

$247+ Flights from Washington, D.C. to Interlaken

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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.

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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Washington, D.C. to Interlaken are usually found in November or January, booked 90 days in advance, depart on a Tuesday or Monday and return on a Thursday

Cheap flight deals from Washington, D.C. to Interlaken

Round-trip from	$557 (CrystalTravel)
One-way from	$247 (Kiwi.com)
Popular in	June
Cheapest in	November
Average price	$1,190

From Washington, D.C. (WAS) to Interlaken

Search Deals

One-way flight from Washington, D.C. (WAS) to Interlaken

Search Deals

Highest demand for flights based on searches. 13% potential increase in price ($138 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($27 potential savings vs. average RT price).

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Average for round-trip flights in June 2025

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Find flight deals from Washington, D.C. to Interlaken

Cheapest flights from Washington, D.C. to Interlaken
Explore the most affordable flight options available from Washington, D.C. to Interlaken. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 23, 2025.

Mon 11/108:30 pmIAD - ZRH

1 stop17h 10mScandinavian Airlines

Fri 11/212:55 pmZRH - IAD

1 stop33h 55mScandinavian Airlines

Deal found 6/23

$559

Sat 11/18:30 pmBWI - ZRH

1 stop11h 35mIcelandair

Sat 11/81:00 pmZRH - BWI

1 stop11h 30mIcelandair

Deal found 6/21

$563

Mon 8/1111:15 pmIAD - ZRH

1 stop31h 50mIcelandair

Wed 8/202:00 pmZRH - IAD

1 stop11h 20mIcelandair

Deal found 6/22

$564

Thu 8/281:30 pmIAD - ZRH

1 stop18h 35mTurkish Airlines

Thu 9/47:40 amZRH - IAD

1 stop18h 05mTurkish Airlines

Deal found 6/21

$582

Mon 9/16:20 amBWI - ZRH

2 stops21h 20mScandinavian Airlines

Tue 9/92:50 pmZRH - BWI

2 stops39h 31mScandinavian Airlines

Deal found 6/22

$582

Wed 9/108:45 pmIAD - ZRH

Nonstop8h 05mSWISS

Wed 9/1712:50 pmZRH - IAD

Nonstop9h 25mSWISS

Deal found 6/21

$585

Sun 8/108:45 pmIAD - ZRH

Nonstop8h 05mMultiple Airlines

Thu 8/219:55 amZRH - IAD

1 stop29h 42mMultiple Airlines

Deal found 6/23

$587

Mon 10/66:05 amDCA - ZRH

2 stops26h 05mScandinavian Airlines

Tue 10/142:00 pmZRH - DCA

2 stops38h 19mScandinavian Airlines

Deal found 6/21

$587

Tue 11/48:45 pmIAD - ZRH

Nonstop7h 50mUnited Airlines

Wed 11/1211:45 amZRH - IAD

Nonstop9h 45mUnited Airlines

Deal found 6/22

$588

Tue 11/411:00 amDCA - ZRH

1 stop13h 15mAir Canada

Wed 11/1212:45 pmZRH - DCA

1 stop27h 34mAir Canada

Deal found 6/21

$588

Mon 8/116:00 amDCA - ZRH

1 stop20h 05mDelta

Wed 8/2010:10 amZRH - DCA

1 stop15h 25mDelta

Deal found 6/22

$596

Wed 8/132:00 pmDCA - ZRH

1 stop14h 50mUnited Airlines

Thu 8/219:55 amZRH - DCA

1 stop18h 32mUnited Airlines

Deal found 6/23

$599

Best flights from Washington, D.C. to Interlaken
Discover carefully curated flight deals from Washington, D.C. to Interlaken that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 23, 2025.

Tue 8/58:30 pmIAD - ZRH

1 stop10h 35mIcelandair

Mon 8/252:00 pmZRH - IAD

1 stop11h 20mIcelandair

Deal found 6/23

$557

Mon 9/110:05 pmIAD - ZRH

2 stops33h 15mScandinavian Airlines

Tue 9/92:00 pmZRH - IAD

2 stops35h 59mScandinavian Airlines

Deal found 6/21

$561

Thu 8/281:30 pmIAD - ZRH

1 stop18h 35mTurkish Airlines

Thu 9/47:40 amZRH - IAD

1 stop18h 05mTurkish Airlines

Deal found 6/21

$582

Wed 9/108:45 pmIAD - ZRH

Nonstop8h 05mSWISS

Wed 9/1712:50 pmZRH - IAD

Nonstop9h 25mSWISS

Deal found 6/21

$585

Sun 8/108:45 pmIAD - ZRH

Nonstop8h 05mMultiple Airlines

Thu 8/219:55 amZRH - IAD

1 stop29h 42mMultiple Airlines

Deal found 6/23

$587

Tue 8/199:40 amDCA - ZRH

1 stop14h 30mAir Canada

Tue 8/2612:40 pmZRH - DCA

1 stop15h 08mAir Canada

Deal found 6/22

$588

Tue 8/191:00 pmIAD - ZRH

2 stops16h 40mUnited Airlines

Tue 8/2612:50 pmZRH - IAD

Nonstop9h 25mUnited Airlines

Deal found 6/23

$592

Mon 8/116:00 amDCA - ZRH

1 stop20h 05mDelta

Wed 8/2010:10 amZRH - DCA

1 stop15h 25mDelta

Deal found 6/22

$596

Thu 8/144:30 pmIAD - ZRH

1 stop11h 35mITA Airways

Mon 8/257:05 pmZRH - IAD

1 stop25h 35mITA Airways

Deal found 6/23

$629

Wed 8/135:10 pmIAD - ZRH

2 stops14h 55mLufthansa

Tue 8/268:15 amZRH - IAD

1 stop11h 15mLufthansa

Deal found 6/23

$630

Tue 8/1210:20 pmIAD - ZRH

2 stops34h 45mTAP AIR PORTUGAL

Tue 8/191:15 pmZRH - IAD

1 stop13h 35mTAP AIR PORTUGAL

Deal found 6/21

$637

Mon 9/16:10 amDCA - ZRH

1 stop20h 40mAmerican Airlines

Tue 9/911:45 amZRH - DCA

2 stops15h 09mAmerican Airlines

Deal found 6/21

$637

Last-minute flights from Washington, D.C. to Interlaken
Discover last-minute flight deals from Washington, D.C. to Interlaken. Data last updated June 23, 2025 and is based on user searches.

Sun 6/296:50 pmDCA - ZRH

2 stops29h 20mAir Canada

Sat 7/57:25 amZRH - DCA

3 stops20h 23mAir Canada

Deal found 6/23

$1,565

Mon 6/301:45 pmDCA - ZRH

2 stops23h 20mTAP AIR PORTUGAL

Fri 7/113:45 pmZRH - DCA

2 stops35h 14mTAP AIR PORTUGAL

Deal found 6/21

$1,447

Mon 6/308:35 amIAD - ZRH

2 stops26h 40mTAP AIR PORTUGAL

Fri 7/113:45 pmZRH - IAD

2 stops21h 35mTAP AIR PORTUGAL

Deal found 6/21

$1,455

Tue 7/110:30 amDCA - ZRH

2 stops23h 30mMultiple Airlines

Wed 7/168:00 amZRH - DCA

2 stops18h 03mMultiple Airlines

Deal found 6/22

$860

Tue 7/110:20 pmIAD - ZRH

3 stops28h 35mMultiple Airlines

Wed 7/163:40 pmZRH - IAD

3 stops30h 10mMultiple Airlines

Deal found 6/22

$988

Tue 7/12:15 pmBWI - ZRH

3 stops24h 40mMultiple Airlines

Wed 7/167:55 pmZRH - BWI

2 stops29h 36mMultiple Airlines

Deal found 6/22

$1,078

Tue 7/111:15 pmIAD - ZRH

2 stops38h 30mIcelandair

Sun 7/134:55 pmZRH - IAD

1 stop32h 25mIcelandair

Deal found 6/21

$1,426

Wed 7/21:30 pmIAD - ZRH

1 stop17h 15mTurkish Airlines

Wed 7/93:00 pmZRH - IAD

1 stop26h 45mTurkish Airlines

Deal found 6/23

$1,008

Thu 7/38:25 pmIAD - ZRH

1 stop17h 45mAer Lingus

Mon 8/1111:15 amZRH - IAD

1 stop13h 40mAer Lingus

Deal found 6/20

$914

Thu 7/310:05 pmIAD - ZRH

1 stop29h 35mScandinavian Airlines

Mon 7/1410:20 amZRH - IAD

1 stop15h 39mScandinavian Airlines

Deal found 6/22

$1,164

Thu 7/36:06 amDCA - ZRH

2 stops45h 34mScandinavian Airlines

Mon 8/1110:20 amZRH - DCA

2 stops19h 21mScandinavian Airlines

Deal found 6/20

$1,284

Thu 7/38:30 pmBWI - ZRH

2 stops31h 10mIcelandair

Mon 8/112:50 pmZRH - BWI

2 stops34h 35mIcelandair

Deal found 6/20

$1,306

One-way flights from Washington, D.C. to Interlaken
Search for one-way flight options from Washington, D.C. to Interlaken. Find affordable one-way fares based on user searches. Data last updated June 23, 2025.

Thu 7/246:20 pmBWI - ZRH

2 stops15h 25mMultiple Airlines

Deal found 6/22

$247

Wed 7/2311:15 pmIAD - ZRH

1 stop31h 50mIcelandair

Deal found 6/21

$284

Tue 8/58:30 pmIAD - ZRH

2 stops18h 50mMultiple Airlines

Deal found 6/21

$302

Tue 8/1210:20 pmIAD - ZRH

1 stop32h 05mTAP AIR PORTUGAL

Deal found 6/22

$308

Thu 8/78:30 pmBWI - ZRH

1 stop10h 35mIcelandair

Deal found 6/22

$367

Sun 9/76:05 amDCA - ZRH

2 stops26h 05mScandinavian Airlines

Deal found 6/21

$400

Sun 9/2110:05 pmIAD - ZRH

1 stop29h 35mScandinavian Airlines

Deal found 6/22

$416

Sun 9/78:45 pmIAD - ZRH

Nonstop8h 05mSWISS

Deal found 6/21

$442

Sun 8/36:00 amDCA - ZRH

1 stop18h 10mAir Canada

Deal found 6/22

$448

Sun 7/278:00 amDCA - ZRH

2 stops21h 25mMultiple Airlines

Deal found 6/22

$458

Tue 8/510:59 amBWI - ZRH

1 stop13h 11mUnited Airlines

Deal found 6/21

$464

Sun 8/39:20 pmBWI - ZRH

1 stop19h 05mBritish Airways

Deal found 6/22

$468

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Interlaken that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Zurich

IAD - ZRH

IADZRH

Washington, D.C. Dulles Intl

Mon 11/10

8:30 pm-7:40 pm

1 stop17h 10m

Zurich

Fri 11/21

2:55 pm-6:50 pm

1 stop33h 55m

$559

BaltimoreZurich

BWI - ZRH

BWIZRH

Baltimore/Washington

Sat 11/1

8:30 pm-1:05 pm

1 stop11h 35m

Zurich

Sat 11/8

1:00 pm-6:30 pm

1 stop11h 30m

$563

Washington, D.C.Zurich

IAD - ZRH

IADZRH

Washington, D.C. Dulles Intl

Mon 8/11

11:15 pm-1:05 pm

1 stop31h 50m

Zurich

Wed 8/20

2:00 pm-7:20 pm

1 stop11h 20m

$564

Washington, D.C.Zurich

IAD - ZRH

IADZRH

Washington, D.C. Dulles Intl

Thu 8/28

1:30 pm-2:05 pm

1 stop18h 35m

Zurich

Thu 9/4

7:40 am-7:45 pm

1 stop18h 05m

$582

BaltimoreZurich

BWI - ZRH

BWIZRH

Baltimore/Washington

Mon 9/1

6:20 am-9:40 am

2 stops21h 20m

Zurich

Tue 9/9

2:50 pm-12:21 am

2 stops39h 31m

$582

Washington, D.C.Zurich

IAD - ZRH

IADZRH

Washington, D.C. Dulles Intl

Wed 9/10

8:45 pm-10:50 am

Nonstop8h 05m

Zurich

Wed 9/17

12:50 pm-4:15 pm

Nonstop9h 25m

$585

Washington, D.C.Zurich

IAD - ZRH

IADZRH

Washington, D.C. Dulles Intl

Sun 8/10

8:45 pm-10:50 am

Nonstop8h 05m

Zurich

Thu 8/21

9:55 am-9:37 am

1 stop29h 42m

$587

Washington, D.C.Zurich

DCA - ZRH

DCAZRH

Washington, D.C. Reagan-National

Mon 10/6

6:05 am-2:10 pm

2 stops26h 05m

Zurich

Tue 10/14

2:00 pm-10:19 pm

2 stops38h 19m

$587

Washington, D.C.Zurich

IAD - ZRH

IADZRH

Washington, D.C. Dulles Intl

Tue 11/4

8:45 pm-10:35 am

Nonstop7h 50m

Zurich

Wed 11/12

11:45 am-3:30 pm

Nonstop9h 45m

$588

Washington, D.C.Zurich

DCA - ZRH

DCAZRH

Washington, D.C. Reagan-National

Tue 11/4

11:00 am-6:15 am

1 stop13h 15m

Zurich

Wed 11/12

12:45 pm-10:19 am

1 stop27h 34m

$588

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/22

Showing 1-10 of 57 results

...

Best time to book a flight from Washington, D.C. to Interlaken

Have a flexible travel schedule? Discover the best time to fly to Interlaken from Washington, D.C. 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. to Interlaken

How far ahead should I book a flight from Washington, D.C. to Interlaken?

To ensure you get the cheapest price possible for a flight from Washington, D.C. to Interlaken, you should look to book at least 90 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Washington, D.C. to Interlaken?

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. to Interlaken (average of $637). Flying from Washington, D.C. to Interlaken in June is currently the most expensive (average of $1,162). 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 WAS to IN9?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. to Interlaken as you normally would.

What is the cheapest day to fly from Washington, D.C. to Interlaken?

Travelers seeking maximum savings on their Washington, D.C. to Interlaken flight should consider departing on Thursday at noon when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Washington, D.C. to Interlaken

The most flights from WAS to IN9 are scheduled on a Monday (8 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (6 on average).

Rainfall in Interlaken 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

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

Read reviews from past customers who have flown Delta, LOT and Air France from Washington, D.C. to Interlaken. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,965 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,965 reviews

Delta

8.0

Very good

7,965 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

LOT

7.6

Good

1,082 reviews

Delta

8.0

Very good

7,965 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Air France

7.5

Good

1,470 reviews

Delta

8.0

Very good

7,965 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

SWISS

7.5

Good

1,645 reviews

Delta

8.0

Very good

7,965 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,831 reviews

Delta

8.0

Very good

7,965 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What are the cheapest airlines to fly from Washington, D.C. to Interlaken one-way?
To fly one-way, consider booking your trip with Icelandair, which is currently one of the cheapest options available, starting at $284. TAP AIR PORTUGAL flights start at $308 while deals on Scandinavian Airlines start at $400 one-way.
What are the most popular routes from Washington, D.C. to Interlaken?
The most popular route from Washington, D.C. to Interlaken is Washington, D.C. Dulles Intl - Zurich. You may also consider Washington, D.C. Reagan-National - Zurich or Baltimore/Washington - Zurich.
What are the most reliable airlines from Washington, D.C. to Interlaken?
Before booking your flight to Interlaken from Washington, D.C., check out the most reliable airlines to get you to your destination on time: Air Canada (73%), United Airlines (73%), SWISS( 73%).
What are the cheapest flights from Washington, D.C. to Interlaken?
On average you can expect to pay $4,220 for a flight from Washington, D.C. to Interlaken. The cheapest flight overall is $313 while the most popular route, (Washington, D.C. Dulles Intl - Zurich) is currently priced at $506.
Can I find deals for flights from Washington, D.C. to Interlaken that include hotel bookings?
Yes. In addition to deals on Washington, D.C. to Interlaken flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Washington, D.C. to Interlaken?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Interlaken.
Can I find deals for business class flights from Washington, D.C. to Interlaken?
Yes. Cheapflights offers flight deals from Washington, D.C. 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. to Interlaken?
Currently, November is the cheapest month in which you can book a flight from Washington, D.C. to Interlaken (average of $637). Flying from Washington, D.C. to Interlaken in June is currently the most expensive (average of $1,162). 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

Alternative routes for Washington, D.C. to Interlaken

Dulles Intl to Zurich flights

Dulles Intl to Geneva flights

Reagan-National to Zurich flights

Reagan-National to Geneva flights

Dulles Intl to Basel flights

Reagan-National to Basel flights

Dulles Intl to Lugano flights

Reagan-National to Lugano flights

Dulles Intl to Bern flights

Top 10 airlines flying from Washington, D.C. to Interlaken

Airline	Cheapest	Average	Flexibility	On-time
Scandinavian Airlines	Cheapest$375	Average$572	FlexibilityNo cancel fee	On-time77%
Delta	Cheapest$382	Average$934	FlexibilityNo cancel fee	On-timeN/A
Icelandair	Cheapest$383	Average$825	FlexibilityNo cancel fee	On-time76%
British Airways	Cheapest$468	Average$839	FlexibilityNo cancel fee	On-time70%
American Airlines	Cheapest$490	Average$753	FlexibilityNo cancel fee	On-time71%
TAP AIR PORTUGAL	Cheapest$498	Average$824	FlexibilityNo cancel fee	On-timeN/A
Turkish Airlines	Cheapest$530	Average$663	FlexibilityNo cancel fee	On-time77%
United Airlines	Cheapest$555	Average$1,229	FlexibilityNo cancel fee	On-time69%
Aer Lingus	Cheapest$555	Average$1,009	FlexibilityNo cancel fee	On-timeN/A
SWISS	Cheapest$633	Average$1,075	FlexibilityNo cancel fee	On-time79%

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$247+ Cheap flights from Washington, D.C. (WAS) 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 7/24. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Washington, D.C. to Interlaken with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Washington, D.C. to Interlaken are usually found in November or January, booked 90 days in advance, depart on a Tuesday or Monday and return on a Thursday

Cheap flight deals from Washington, D.C. to Interlaken

Keep the following information in mind while searching for Washington, D.C. to Interlaken flight deals. Data was last updated June 23, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Washington, D.C. to Interlaken

Cheapest flights from Washington, D.C. to InterlakenExplore the most affordable flight options available from Washington, D.C. to Interlaken. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 23, 2025.

Explore the most affordable flight options available from Washington, D.C. to Interlaken. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 23, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Interlaken that are best for you.

Best time to book a flight from Washington, D.C. to Interlaken

Have a flexible travel schedule? Discover the best time to fly to Interlaken from Washington, D.C. with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to Interlaken

How far ahead should I book a flight from Washington, D.C. to Interlaken?

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Interlaken. Price data was last updated on June 20, 2025.

What is the cheapest month to book a flight from Washington, D.C. to Interlaken?

What is the cheapest time of day to fly from WAS to IN9?

Find hourly flight availability from Washington, D.C. 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 June 23, 2025.

What is the cheapest day to fly from Washington, D.C. to Interlaken?

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to Interlaken. Price data was last updated on September 8, 2024.

Weekly flight availability from Washington, D.C. to Interlaken

Rainfall in Interlaken by month

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

Temperature in Interlaken by month

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

Reviews of airlines servicing Interlaken

Read reviews from past customers who have flown Delta, LOT and Air France from Washington, D.C. to Interlaken. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. 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. to Interlaken one-way?

What are the most popular routes from Washington, D.C. to Interlaken?

What are the most reliable airlines from Washington, D.C. to Interlaken?

What are the cheapest flights from Washington, D.C. to Interlaken?

Can I find deals for flights from Washington, D.C. to Interlaken that include hotel bookings?

How can I find direct flights from Washington, D.C. to Interlaken?

Can I find deals for business class flights from Washington, D.C. to Interlaken?

What is the cheapest month to book a flight from Washington, D.C. to Interlaken?

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Alternative routes for Washington, D.C. to Interlaken

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Top 10 airlines flying from Washington, D.C. to Interlaken

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Cheapest flights from Washington, D.C. to Interlaken
Explore the most affordable flight options available from Washington, D.C. to Interlaken. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 23, 2025.