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 $400. TAP AIR PORTUGAL flights start at $430 while deals on SWISS start at $496 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 $3,734 for a flight from Washington, D.C. to Interlaken. The cheapest flight overall is $458 while the most popular route, (Washington, D.C. Dulles Intl - Zurich) is currently priced at $423.

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 (77%), United Airlines (77%), SWISS( 77%).

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

ITA 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 20% 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 $660 1-2 weeks out and tickets from $974 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 $953. You can even find prices in November for less than $953, 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 46%.

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.

$311+ Flights from Washington, D.C. to Interlaken

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Cheapflights Tip: The best prices from Washington, D.C. to Interlaken are usually found in November or January, booked 12 days in advance, depart on a Tuesday or Monday and return on a Sunday

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

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$537 (Mytrip)
One-way from	$318 (PLAY)
Popular in	June
Cheapest in	November
Average price	$968

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. (WAS) to Interlaken

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

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Highest demand for flights based on searches. 17% potential increase in price ($206 potential increase over avg. RT price).

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Cheapest flight prices on average. 4% potential price decrease ($40 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 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 abril 25, 2025.

lun. 5/55:45 amBWI - ZRH

2 stops19h 20mMultiple Airlines

dom. 5/118:00 amZRH - BWI

2 stops29h 31mMultiple Airlines

Deal found 4/25

$537

lun. 9/11:00 pmBWI - ZRH

2 stops14h 40mScandinavian Airlines

mar. 9/910:20 amZRH - BWI

2 stops17h 23mScandinavian Airlines

Deal found 4/25

$609

lun. 9/228:30 pmBWI - ZRH

1 stop10h 35mIcelandair

dom. 9/282:00 pmZRH - BWI

1 stop11h 25mIcelandair

Deal found 4/23

$622

mar. 8/1210:05 pmIAD - ZRH

2 stops29h 30mScandinavian Airlines

jue. 8/212:00 pmZRH - IAD

2 stops35h 59mScandinavian Airlines

Deal found 4/25

$657

lun. 9/18:30 pmIAD - ZRH

1 stop10h 35mIcelandair

vie. 9/54:55 pmZRH - IAD

1 stop11h 15mIcelandair

Deal found 4/24

$662

dom. 8/246:05 amDCA - ZRH

2 stops25h 15mScandinavian Airlines

vie. 9/510:20 amZRH - DCA

2 stops19h 08mScandinavian Airlines

Deal found 4/24

$662

mié. 12/3110:30 pmIAD - ZRH

1 stop18h 05mTAP AIR PORTUGAL

jue. 1/86:10 amZRH - IAD

1 stop15h 05mTAP AIR PORTUGAL

Deal found 4/25

$671

vie. 5/21:30 pmIAD - ZRH

1 stop18h 35mTurkish Airlines

mar. 5/136:40 pmZRH - IAD

1 stop23h 05mTurkish Airlines

Deal found 4/24

$673

mié. 8/68:45 pmIAD - ZRH

Nonstop8h 05mSWISS

mar. 8/1912:50 pmZRH - IAD

Nonstop9h 25mSWISS

Deal found 4/25

$686

mar. 11/259:55 amIAD - ZRH

1 stop14h 20mMultiple Airlines

mar. 12/91:00 pmZRH - IAD

Nonstop9h 30mMultiple Airlines

Deal found 4/25

$702

mar. 8/129:40 amDCA - ZRH

1 stop14h 30mAir Canada

jue. 8/2112:40 pmZRH - DCA

1 stop15h 08mAir Canada

Deal found 4/25

$727

mar. 7/155:20 pmIAD - ZRH

1 stop11h 15mAer Lingus

mar. 7/2911:15 amZRH - IAD

1 stop14h 15mAer Lingus

Deal found 4/25

$737

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 abril 25, 2025.

lun. 5/55:45 amBWI - ZRH

2 stops19h 20mMultiple Airlines

dom. 5/118:00 amZRH - BWI

2 stops29h 31mMultiple Airlines

Deal found 4/25

$537

lun. 9/11:00 pmBWI - ZRH

2 stops14h 40mScandinavian Airlines

mar. 9/910:20 amZRH - BWI

2 stops17h 23mScandinavian Airlines

Deal found 4/25

$609

lun. 9/228:30 pmBWI - ZRH

1 stop10h 35mIcelandair

dom. 9/282:00 pmZRH - BWI

1 stop11h 25mIcelandair

Deal found 4/23

$622

mié. 5/1410:25 amIAD - ZRH

2 stops13h 45mAir Canada

mié. 6/1112:40 pmZRH - IAD

1 stop14h 28mAir Canada

Deal found 4/23

$654

vie. 5/21:30 pmIAD - ZRH

1 stop18h 35mTurkish Airlines

mar. 5/136:40 pmZRH - IAD

1 stop23h 05mTurkish Airlines

Deal found 4/24

$673

mié. 5/148:45 pmIAD - ZRH

Nonstop8h 05mUnited Airlines

lun. 5/193:35 pmZRH - IAD

1 stop29h 50mUnited Airlines

Deal found 4/24

$674

mié. 5/148:45 pmIAD - ZRH

Nonstop8h 05mSWISS

lun. 5/1912:50 pmZRH - IAD

Nonstop9h 25mSWISS

Deal found 4/24

$707

dom. 5/410:20 pmIAD - ZRH

1 stop18h 10mTAP AIR PORTUGAL

jue. 5/86:00 amZRH - IAD

1 stop15h 20mTAP AIR PORTUGAL

Deal found 4/24

$728

lun. 7/215:20 pmIAD - ZRH

1 stop11h 15mAer Lingus

mié. 7/3011:15 amZRH - IAD

1 stop14h 15mAer Lingus

Deal found 4/24

$746

mar. 8/1212:53 pmDCA - ZRH

2 stops13h 57mAmerican Airlines

jue. 8/2111:45 amZRH - DCA

2 stops16h 15mAmerican Airlines

Deal found 4/25

$746

lun. 5/1910:20 pmIAD - ZRH

1 stop15h 45mLufthansa

lun. 5/264:55 pmZRH - IAD

2 stops26h 35mLufthansa

Deal found 4/24

$750

mié. 9/1012:15 pmBWI - ZRH

1 stop13h 50mDelta

vie. 9/1910:10 amZRH - BWI

1 stop16h 37mDelta

Deal found 4/23

$790

Last-minute flights from Washington, D.C. to Interlaken
Discover last-minute flight deals from Washington, D.C. to Interlaken. Data last updated abril 25, 2025 and is based on user searches.

lun. 4/288:30 pmIAD - ZRH

1 stop10h 35mMultiple Airlines

mié. 4/302:00 pmZRH - IAD

2 stops36h 50mMultiple Airlines

Deal found 4/24

$781

mié. 4/304:15 pmDCA - ZRH

2 stops14h 50mIcelandair

lun. 5/52:00 pmZRH - DCA

2 stops25h 20mIcelandair

Deal found 4/25

$961

vie. 5/21:30 pmIAD - ZRH

1 stop18h 35mTurkish Airlines

mar. 5/136:40 pmZRH - IAD

1 stop23h 05mTurkish Airlines

Deal found 4/24

$673

sáb. 5/38:30 pmIAD - ZRH

2 stops30h 30mMultiple Airlines

mié. 5/146:05 pmZRH - IAD

1 stop27h 15mMultiple Airlines

Deal found 4/24

$896

sáb. 5/310:35 pmIAD - ZRH

1 stop31h 50mTAP AIR PORTUGAL

mar. 5/136:05 pmZRH - IAD

1 stop27h 15mTAP AIR PORTUGAL

Deal found 4/24

$909

dom. 5/48:30 pmIAD - ZRH

1 stop10h 35mIcelandair

sáb. 5/102:00 pmZRH - IAD

1 stop11h 20mIcelandair

Deal found 4/25

$842

dom. 5/48:30 pmBWI - ZRH

1 stop10h 35mIcelandair

jue. 5/82:00 pmZRH - BWI

1 stop11h 25mIcelandair

Deal found 4/24

$934

dom. 5/43:02 pmDCA - ZRH

2 stops13h 33mAmerican Airlines

sáb. 5/1011:45 amZRH - DCA

1 stop14h 14mAmerican Airlines

Deal found 4/25

$1,502

lun. 5/55:45 amBWI - ZRH

2 stops19h 20mMultiple Airlines

dom. 5/118:00 amZRH - BWI

2 stops29h 31mMultiple Airlines

Deal found 4/25

$537

lun. 5/512:45 pmDCA - ZRH

2 stops20h 55mMultiple Airlines

dom. 5/118:00 amZRH - DCA

2 stops18h 00mMultiple Airlines

Deal found 4/25

$740

lun. 5/511:00 amDCA - ZRH

2 stops20h 20mScandinavian Airlines

lun. 5/1210:20 amZRH - DCA

2 stops18h 25mScandinavian Airlines

Deal found 4/25

$857

lun. 5/510:05 pmIAD - ZRH

2 stops33h 15mScandinavian Airlines

lun. 5/122:00 pmZRH - IAD

2 stops35h 59mScandinavian Airlines

Deal found 4/25

$885

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 abril 25, 2025.

mar. 7/156:50 pmBWI - ZRH

2 stops14h 45mMultiple Airlines

Deal found 4/25

$318

mié. 7/1610:20 pmIAD - ZRH

1 stop29h 30mMultiple Airlines

Deal found 4/24

$379

lun. 10/208:30 pmBWI - ZRH

1 stop10h 35mIcelandair

Deal found 4/25

$400

dom. 5/115:45 pmIAD - ZRH

1 stop22h 45mTAP AIR PORTUGAL

Deal found 4/25

$430

jue. 5/296:59 amDCA - ZRH

3 stops33h 26mMultiple Airlines

Deal found 4/25

$458

dom. 5/118:45 pmIAD - ZRH

Nonstop8h 05mSWISS

Deal found 4/25

$496

lun. 4/281:30 pmIAD - ZRH

1 stop14h 20mTurkish Airlines

Deal found 4/24

$500

lun. 8/119:20 pmBWI - ZRH

1 stop19h 10mBritish Airways

Deal found 4/24

$530

mié. 5/2810:05 pmIAD - ZRH

1 stop29h 35mScandinavian Airlines

Deal found 4/24

$537

dom. 5/117:26 amBWI - ZRH

2 stops19h 24mAmerican Airlines

Deal found 4/25

$538

lun. 8/116:28 amDCA - ZRH

1 stop20h 22mAmerican Airlines

Deal found 4/24

$538

mié. 7/1611:30 amDCA - ZRH

2 stops23h 45mTAP AIR PORTUGAL

Deal found 4/24

$557

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

BaltimoreZurich

BWI - ZRH

BWIZRH

Baltimore/Washington

lun. 5/5

5:45 am-7:05 am

2 stops19h 20m

Zurich

dom. 5/11

8:00 am-7:31 am

2 stops29h 31m

$537

BaltimoreZurich

BWI - ZRH

BWIZRH

Baltimore/Washington

lun. 9/1

1:00 pm-9:40 am

2 stops14h 40m

Zurich

mar. 9/9

10:20 am-9:43 pm

2 stops17h 23m

$609

BaltimoreZurich

BWI - ZRH

BWIZRH

Baltimore/Washington

lun. 9/22

8:30 pm-1:05 pm

1 stop10h 35m

Zurich

dom. 9/28

2:00 pm-7:25 pm

1 stop11h 25m

$622

Washington, D.C.Zurich

IAD - ZRH

IADZRH

Washington, D.C. Dulles Intl

mar. 8/12

10:05 pm-9:35 am

2 stops29h 30m

Zurich

jue. 8/21

2:00 pm-7:59 pm

2 stops35h 59m

$657

Washington, D.C.Zurich

IAD - ZRH

IADZRH

Washington, D.C. Dulles Intl

lun. 9/1

8:30 pm-1:05 pm

1 stop10h 35m

Zurich

vie. 9/5

4:55 pm-10:10 pm

1 stop11h 15m

$662

Washington, D.C.Zurich

DCA - ZRH

DCAZRH

Washington, D.C. Reagan-National

dom. 8/24

6:05 am-1:20 pm

2 stops25h 15m

Zurich

vie. 9/5

10:20 am-11:28 pm

2 stops19h 08m

$662

Washington, D.C.Zurich

IAD - ZRH

IADZRH

Washington, D.C. Dulles Intl

mié. 8/6

8:45 pm-10:50 am

Nonstop8h 05m

Zurich

mar. 8/19

12:50 pm-4:15 pm

Nonstop9h 25m

$686

Washington, D.C.Zurich

IAD - ZRH

IADZRH

Washington, D.C. Dulles Intl

lun. 5/5

1:30 pm-10:20 pm

1 stop26h 50m

Zurich

lun. 5/12

3:00 pm-11:45 am

1 stop26h 45m

$694

Washington, D.C.Zurich

IAD - ZRH

IADZRH

Washington, D.C. Dulles Intl

mié. 8/6

10:20 pm-4:10 pm

1 stop11h 50m

Zurich

mar. 8/19

12:50 pm-4:15 pm

Nonstop9h 25m

$706

Washington, D.C.Zurich

DCA - ZRH

DCAZRH

Washington, D.C. Reagan-National

mar. 8/12

9:40 am-6:10 am

1 stop14h 30m

Zurich

jue. 8/21

12:40 pm-9:48 pm

1 stop15h 08m

$727

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/24

Showing 1-10 of 53 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 12 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 $1,274). 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 Wednesday (8 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (3 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, SWISS and United Airlines 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

7,920 reviews

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

7,920 reviews

Delta

8.0

Very good

7,920 reviews

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.

SWISS

7.5

Good

1,582 reviews

Delta

8.0

Very good

7,920 reviews

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

8,685 reviews

Delta

8.0

Very good

7,920 reviews

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.

Turkish Airlines

7.3

Good

3,776 reviews

Delta

8.0

Very good

7,920 reviews

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

1,345 reviews

Delta

8.0

Very good

7,920 reviews

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

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 $400. TAP AIR PORTUGAL flights start at $430 while deals on SWISS start at $496 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 (77%), United Airlines (77%), SWISS( 77%).
What are the cheapest flights from Washington, D.C. to Interlaken?
On average you can expect to pay $3,734 for a flight from Washington, D.C. to Interlaken. The cheapest flight overall is $458 while the most popular route, (Washington, D.C. Dulles Intl - Zurich) is currently priced at $423.
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 $1,274). 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$577	FlexibilityNo cancel fee	On-time77%
Icelandair	Cheapest$386	Average$952	FlexibilityNo cancel fee	On-time76%
British Airways	Cheapest$503	Average$911	FlexibilityNo cancel fee	On-time70%
Delta	Cheapest$522	Average$1,000	FlexibilityNo cancel fee	On-timeN/A
Turkish Airlines	Cheapest$530	Average$674	FlexibilityNo cancel fee	On-time77%
Aer Lingus	Cheapest$555	Average$986	FlexibilityNo cancel fee	On-timeN/A
TAP AIR PORTUGAL	Cheapest$609	Average$867	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$682	Average$1,110	FlexibilityNo cancel fee	On-time69%
SWISS	Cheapest$722	Average$1,141	FlexibilityNo cancel fee	On-time79%
Lufthansa	Cheapest$751	Average$1,062	FlexibilityNo cancel fee	On-time76%

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$311+ 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 8/11. 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 12 days in advance, depart on a Tuesday or Monday and return on a Sunday

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 abril 25, 2025.

Most accurate provider

Most trusted provider

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 abril 25, 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 abril 25, 2025.

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

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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 April 18, 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 abril 25, 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, SWISS and United Airlines 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 abril 25, 2025.